Alert archive / Alaska / Small Craft Advisories in 2021

Small Craft Advisory 633, NWS Anchorage, AK

August 12, 2021

NWS Anchorage, AK issued this small craft advisory at Aug 12, 2021, 3:46 PM AKDT. It was in force for 3 days.

The area

The counties it named.

The facts

Issued
Aug 12, 2021, 3:46 PM AKDT (23:46 UTC)
Expired
Aug 16, 2021, 3:30 AM AKDT
In force
3 days
Issued by
NWS Anchorage, AK

The text

As transmitted.

035 
FZAK52 PAFC 122346
CWFALU

Coastal Waters Forecast
National Weather Service Anchorage Alaska
346 PM AKDT Thu Aug 12 2021

Coastal Waters Forecast for Southwest Alaska+Bristol Bay+The
Alaska Peninsula Waters and the Aleutian Islands up to 100 nm out.

Wind forecasts reflect the predominant speed and direction
expected. Sea forecasts represent an average of the highest
one-third of the combined wind wave and swell height.

PKZ199-131245-
346 PM AKDT Thu Aug 12 2021
.SYNOPSIS FOR SOUTHWEST ALASKA+BRISTOL BAY+THE ALASKA
PENINSULA WATERS AND THE ALEUTIAN ISLANDS...

A 986 mb North Pacific low moves to 270 nm South of Kiska at 1006
mb by Sat afternoon. A 1002 mb North Pacific low moves to 370 nm 
South of Nikolski at 1006 mb for Fri afternoon then shifts to the 
eastern North Pacific by Sat afternoon. Its front extends along and 
south of the Aleutians through Sat afternoon.

$$

PKZ150-131245-
South of the AK Peninsula Sitkinak to Castle Cape-
346 PM AKDT Thu Aug 12 2021

.TONIGHT...W wind 15 kt. Seas 7 ft.
.FRI...NW wind 15 kt. Seas 6 ft.
.FRI NIGHT...W wind 20 kt. Seas 6 ft.
.SAT AND SAT NIGHT...W wind 20 kt. Seas 5 ft.
.SUN...W wind 15 kt. Seas 6 ft.
.MON...S wind 20 kt. Seas 8 ft.
.TUE...W wind 20 kt. Seas 11 ft.

$$

PKZ155-131245-
South of the AK Peninsula Castle Cape to Cape Sarichef-
346 PM AKDT Thu Aug 12 2021

.TONIGHT...W wind 15 kt. Seas 6 ft.
.FRI...Variable wind 10 kt. Seas 6 ft.
.FRI NIGHT...Variable wind 10 kt. Seas 5 ft.
.SAT AND SAT NIGHT...W wind 15 kt. Seas 5 ft.
.SUN...SW wind 15 kt. Seas 5 ft.
.MON...SE wind 15 kt. Seas 9 ft.
.TUE...W wind 20 kt. Seas 10 ft.

$$

PKZ160-131245-
Bristol Bay-
346 PM AKDT Thu Aug 12 2021

.TONIGHT...W wind 15 kt. Seas 4 ft.
.FRI...W wind 20 kt. Seas 4 ft.
.FRI NIGHT...W wind 20 kt. Seas 4 ft.
.SAT AND SAT NIGHT...W wind 20 kt. Seas 4 ft.
.SUN...SW wind 20 kt. Seas 5 ft.
.MON...SE wind 10 kt. Seas 4 ft.
.TUE...NW wind 20 kt. Seas 5 ft.

$$

PKZ165-131245-
Port Heiden to Cape Sarichef-
346 PM AKDT Thu Aug 12 2021

.TONIGHT...NW wind 15 kt. Seas 3 ft.
.FRI...W wind 15 kt. Seas 3 ft.
.FRI NIGHT...W wind 15 kt. Seas 4 ft.
.SAT...W wind 15 kt. Seas 3 ft.
.SAT NIGHT...SW wind 20 kt. Seas 4 ft.
.SUN...SW wind 20 kt. Seas 5 ft.
.MON...E wind 15 kt. Seas 5 ft.
.TUE...W wind 20 kt. Seas 6 ft.

$$

PKZ170-131245-
Cape Sarichef to Nikolski Bering Side-
346 PM AKDT Thu Aug 12 2021

.TONIGHT...Variable wind 10 kt. Seas 3 ft.
.FRI...Variable wind 10 kt. Seas 3 ft.
.FRI NIGHT...Variable wind 10 kt. Seas 3 ft.
.SAT...SW wind 15 kt. Seas 3 ft.
.SAT NIGHT...Variable wind 10 kt. Seas 3 ft.
.SUN...SE wind 15 kt. Seas 4 ft.
.MON...E wind 15 kt. Seas 4 ft.
.TUE...W wind 15 kt. Seas 5 ft.

$$

PKZ171-131245-
Unalaska Bay-
346 PM AKDT Thu Aug 12 2021

.TONIGHT...NW wind 15 kt in the evening becoming variable less
than 10 kt. Seas 2 ft.
.FRI...Variable wind less than 10 kt. Seas 1 foot.
.FRI NIGHT...Variable wind less than 10 kt. Seas 1 foot.
.SAT...Variable wind less than 10 kt. Seas 1 foot.
.SAT NIGHT...Variable wind less than 10 kt.
.SUN THROUGH MON...E wind 10 kt. Seas 2 ft.
.TUE...W wind 10 kt. Seas 2 ft.

$$

PKZ172-131245-
Cape Sarichef to Nikolski Pacific Side-
346 PM AKDT Thu Aug 12 2021

.TONIGHT...Variable wind 10 kt. Seas 6 ft.
.FRI...Variable wind 10 kt. Seas 5 ft.
.FRI NIGHT...Variable wind 10 kt. Seas 5 ft.
.SAT...Variable wind 10 kt. Seas 6 ft.
.SAT NIGHT...Variable wind 10 kt. Seas 7 ft.
.SUN...SE wind 15 kt. Seas 6 ft.
.MON...NE wind 15 kt. Seas 8 ft.
.TUE...W wind 15 kt. Seas 9 ft.

$$

PKZ173-131245-
Nikolski to Seguam Island Bering Side-
346 PM AKDT Thu Aug 12 2021

.TONIGHT...Variable wind 10 kt. Seas 3 ft.
.FRI...Variable wind 10 kt. Seas 3 ft.
.FRI NIGHT...Variable wind 10 kt. Seas 3 ft.
.SAT AND SAT NIGHT...Variable wind 10 kt. Seas 4 ft.
.SUN...SE wind 15 kt. Seas 6 ft.
.MON...Variable wind 10 kt. Seas 6 ft.
.TUE...W wind 15 kt. Seas 6 ft.

$$

PKZ174-131245-
Nikolski to Seguam Island Pacific Side-
346 PM AKDT Thu Aug 12 2021

.TONIGHT...Variable wind 10 kt. Seas 6 ft.
.FRI...Variable wind 10 kt. Seas 5 ft.
.FRI NIGHT...Variable wind 10 kt. Seas 7 ft.
.SAT AND SAT NIGHT...SE wind 15 kt. Seas 8 ft.
.SUN...SE wind 15 kt. Seas 7 ft.
.MON THROUGH TUE...W wind 15 kt. Seas 8 ft.

$$

PKZ175-131245-
Seguam Island to Adak Bering Side-
346 PM AKDT Thu Aug 12 2021

.TONIGHT...Variable wind 10 kt. Seas 2 ft.
.FRI...Variable wind 10 kt. Seas 2 ft.
.FRI NIGHT...E wind 15 kt. Seas 3 ft.
.SAT...E wind 15 kt. Seas 3 ft.
.SAT NIGHT...E wind 20 kt. Seas 3 ft.
.SUN...E wind 20 kt. Seas 4 ft.
.MON...NW wind 15 kt. Seas 4 ft.
.TUE...SW wind 15 kt. Seas 4 ft.

$$

PKZ176-131245-
Seguam Island to Adak Pacific Side-
346 PM AKDT Thu Aug 12 2021

...SMALL CRAFT ADVISORY FRIDAY NIGHT...

.TONIGHT...Variable wind 10 kt. Seas 5 ft.
.FRI...E wind 15 kt. Seas 6 ft.
.FRI NIGHT...E wind 15 kt. Seas 8 ft.
.SAT AND SAT NIGHT...E wind 20 kt. Seas 9 ft.
.SUN...SE wind 20 kt. Seas 7 ft.
.MON THROUGH TUE...W wind 15 kt. Seas 7 ft.

$$

PKZ177-131245-
Adak to Kiska-
346 PM AKDT Thu Aug 12 2021

...SMALL CRAFT ADVISORY FRIDAY AND FRIDAY NIGHT...

.TONIGHT...E wind 15 kt. Seas 5 ft.
.FRI...E wind 20 kt. Seas 8 ft.
.FRI NIGHT...E wind 20 kt. Seas 8 ft.
.SAT AND SAT NIGHT...E wind 25 kt. Seas 9 ft.
.SUN...NE wind 20 kt. Seas 7 ft.
.MON...NW wind 20 kt. Seas 5 ft.
.TUE...SW wind 15 kt. Seas 6 ft.

$$

PKZ178-131245-
Kiska to Attu-
346 PM AKDT Thu Aug 12 2021

...SMALL CRAFT ADVISORY FRIDAY AND FRIDAY NIGHT...

.TONIGHT...E wind 20 kt. Seas 7 ft.
.FRI...E wind 20 kt. Seas 8 ft.
.FRI NIGHT...E wind 20 kt. Seas 8 ft.
.SAT AND SAT NIGHT...NE wind 25 kt. Seas 8 ft.
.SUN...N wind 20 kt. Seas 7 ft.
.MON...W wind 15 kt. Seas 6 ft.
.TUE...SW wind 20 kt. Seas 7 ft.

$$

PKZ179-131245-
Pribilof Islands Near Shore Waters-
346 PM AKDT Thu Aug 12 2021

.TONIGHT...Variable wind 10 kt becoming SW 15 kt after midnight.
Seas 4 ft.
.FRI...SW wind 15 kt. Seas 4 ft.
.FRI NIGHT...SW wind 15 kt. Seas 4 ft.
.SAT...SW wind 20 kt. Seas 5 ft.
.SAT NIGHT...SW wind 15 kt. Seas 5 ft.
.SUN...S wind 15 kt. Seas 5 ft.
.MON...Variable wind 10 kt. Seas 4 ft.
.TUE...NW wind 15 kt. Seas 5 ft.

$$

PKZ180-131245-
Kuskokwim Delta and Etolin Strait-
346 PM AKDT Thu Aug 12 2021

.TONIGHT...NW wind 15 kt. Seas 3 ft.
.FRI...NW wind 15 kt. Seas 3 ft.
.FRI NIGHT...W wind 15 kt. Seas 3 ft.
.SAT AND SAT NIGHT...SW wind 20 kt. Seas 5 ft.
.SUN...SW wind 20 kt. Seas 6 ft.
.MON...S wind 15 kt. Seas 4 ft.
.TUE...NW wind 15 kt. Seas 4 ft.

$$

PKZ181-131245-
North and West of Nunivak Island-
346 PM AKDT Thu Aug 12 2021

.TONIGHT...NW wind 15 kt. Seas 4 ft.
.FRI...Variable wind 10 kt. Seas 3 ft.
.FRI NIGHT...SW wind 15 kt. Seas 3 ft.
.SAT...SW wind 25 kt. Seas 5 ft.
.SAT NIGHT...SW wind 20 kt. Seas 6 ft.
.SUN THROUGH MON...SW wind 20 kt. Seas 5 ft.
.TUE...NW wind 15 kt. Seas 5 ft.

$$

PKZ185-131245-
Saint Matthew Island Waters-
346 PM AKDT Thu Aug 12 2021

...SMALL CRAFT ADVISORY FRIDAY NIGHT...

.TONIGHT...Variable wind 10 kt. Seas 4 ft.
.FRI...Variable wind 10 kt E of Saint Matthew Island...SW 20 kt W
of Saint Matthew Island. Seas 4 ft.
.FRI NIGHT...SW wind 20 kt E of Saint Matthew Island... SW 25 kt W
of Saint Matthew Island. Seas 6 ft.
.SAT AND SAT NIGHT...W wind 25 kt. Seas 8 ft.
.SUN...SW wind 20 kt. Seas 7 ft.
.MON...NW wind 20 kt. Seas 6 ft.
.TUE...NE wind 15 kt. Seas 5 ft.

$$
8 follow-up statements
988 
FZAK52 PAFC 131135
CWFALU

Coastal Waters Forecast
National Weather Service Anchorage Alaska
335 AM AKDT Fri Aug 13 2021

Coastal Waters Forecast for Southwest Alaska+Bristol Bay+The
Alaska Peninsula Waters and the Aleutian Islands up to 100 nm out.

Wind forecasts reflect the predominant speed and direction
expected. Sea forecasts represent an average of the highest
one-third of the combined wind wave and swell height.

PKZ199-140030-
335 AM AKDT Fri Aug 13 2021
.SYNOPSIS FOR SOUTHWEST ALASKA+BRISTOL BAY+THE ALASKA
PENINSULA WATERS AND THE ALEUTIAN ISLANDS...

A front moves across the Bering Sea this morning through Saturday
morning. A 1008 mb low moves 340 nm southeast of Shemya Sunday 
morning.

$$

PKZ150-140030-
South of the AK Peninsula Sitkinak to Castle Cape-
335 AM AKDT Fri Aug 13 2021

.TONIGHT...W wind 20 kt. Seas 6 ft.
.SAT...W wind 20 kt. Seas 5 ft.
.SAT NIGHT...W wind 20 kt. Seas 5 ft.
.SUN AND SUN NIGHT...SW wind 15 kt. Seas 6 ft.
.MON...S wind 25 kt. Seas 8 ft.
.TUE...SW wind 25 kt. Seas 8 ft.
.WED...SW wind 15 kt. Seas 8 ft.

$$

PKZ155-140030-
South of the AK Peninsula Castle Cape to Cape Sarichef-
335 AM AKDT Fri Aug 13 2021

.TONIGHT...Variable wind 10 kt. Seas 5 ft.
.SAT...W wind 15 kt. Seas 4 ft.
.SAT NIGHT...W wind 15 kt. Seas 5 ft.
.SUN...SW wind 15 kt. Seas 5 ft.
.SUN NIGHT...S wind 15 kt. Seas 5 ft.
.MON...S wind 25 kt. Seas 7 ft.
.TUE...SW wind 20 kt. Seas 8 ft.
.WED...SW wind 15 kt. Seas 11 ft.

$$

PKZ160-140030-
Bristol Bay-
335 AM AKDT Fri Aug 13 2021

.TONIGHT...W wind 20 kt. Seas 4 ft.
.SAT...W wind 20 kt. Seas 4 ft.
.SAT NIGHT...W wind 20 kt. Seas 4 ft.
.SUN AND SUN NIGHT...SW wind 20 kt. Seas 5 ft.
.MON...SE wind 15 kt. Seas 4 ft.
.TUE THROUGH WED...SW wind 15 kt. Seas 3 ft.

$$

PKZ165-140030-
Port Heiden to Cape Sarichef-
335 AM AKDT Fri Aug 13 2021

.TONIGHT...W wind 15 kt. Seas 3 ft.
.SAT...W wind 15 kt. Seas 3 ft.
.SAT NIGHT...SW wind 20 kt. Seas 4 ft.
.SUN...SW wind 20 kt. Seas 5 ft.
.SUN NIGHT...S wind 15 kt. Seas 5 ft.
.MON...E wind 15 kt. Seas 5 ft.
.TUE THROUGH WED...SW wind 15 kt. Seas 4 ft.

$$

PKZ170-140030-
Cape Sarichef to Nikolski Bering Side-
335 AM AKDT Fri Aug 13 2021

.TONIGHT...Variable wind 10 kt. Seas 3 ft.
.SAT...SW wind 15 kt. Seas 3 ft.
.SAT NIGHT...Variable wind 10 kt. Seas 3 ft.
.SUN AND SUN NIGHT...SE wind 15 kt. Seas 4 ft.
.MON...NE wind 15 kt. Seas 5 ft.
.TUE...Variable wind 10 kt. Seas 4 ft.
.WED...W wind 15 kt. Seas 4 ft.

$$

PKZ171-140030-
Unalaska Bay-
335 AM AKDT Fri Aug 13 2021

.TONIGHT...Variable wind less than 10 kt. Seas 1 foot.
.SAT...Variable wind less than 10 kt. Seas 2 ft.
.SAT NIGHT...Variable wind less than 10 kt.
.SUN AND SUN NIGHT...SE wind 10 kt. Seas 2 ft.
.MON...S wind 10 kt. Seas 2 ft.
.TUE...Variable wind less than 10 kt. Seas 2 ft.
.WED...Variable wind less than 10 kt. Seas 2 ft.

$$

PKZ172-140030-
Cape Sarichef to Nikolski Pacific Side-
335 AM AKDT Fri Aug 13 2021

.TONIGHT...Variable wind 10 kt. Seas 5 ft.
.SAT...Variable wind 10 kt. Seas 6 ft.
.SAT NIGHT...Variable wind 10 kt. Seas 6 ft.
.SUN AND SUN NIGHT...SE wind 15 kt. Seas 6 ft.
.MON...S wind 20 kt. Seas 9 ft.
.TUE...S wind 15 kt. Seas 9 ft.
.WED...W wind 15 kt. Seas 12 ft.

$$

PKZ173-140030-
Nikolski to Seguam Island Bering Side-
335 AM AKDT Fri Aug 13 2021

.TONIGHT...Variable wind 10 kt. Seas 3 ft.
.SAT...Variable wind 10 kt. Seas 4 ft.
.SAT NIGHT...Variable wind 10 kt. Seas 4 ft.
.SUN AND SUN NIGHT...E wind 15 kt. Seas 6 ft.
.MON THROUGH TUE...NW wind 15 kt. Seas 7 ft.
.WED...Variable wind 10 kt. Seas 7 ft.

$$

PKZ174-140030-
Nikolski to Seguam Island Pacific Side-
335 AM AKDT Fri Aug 13 2021

.TONIGHT...Variable wind 10 kt. Seas 7 ft.
.SAT...E wind 15 kt. Seas 7 ft.
.SAT NIGHT...E wind 15 kt. Seas 6 ft.
.SUN AND SUN NIGHT...SE wind 15 kt. Seas 8 ft.
.MON THROUGH WED...W wind 15 kt. Seas 9 ft.

$$

PKZ175-140030-
Seguam Island to Adak Bering Side-
335 AM AKDT Fri Aug 13 2021

.TONIGHT...E wind 15 kt. Seas 3 ft.
.SAT...E wind 15 kt. Seas 3 ft.
.SAT NIGHT...E wind 20 kt. Seas 4 ft.
.SUN...E wind 20 kt. Seas 4 ft.
.SUN NIGHT...E wind 15 kt. Seas 5 ft.
.MON...NW wind 20 kt. Seas 7 ft.
.TUE THROUGH WED...SW wind 15 kt. Seas 5 ft.

$$

PKZ176-140030-
Seguam Island to Adak Pacific Side-
335 AM AKDT Fri Aug 13 2021

...SMALL CRAFT ADVISORY TONIGHT AND SATURDAY NIGHT...

.TONIGHT...E wind 15 kt. Seas 8 ft.
.SAT...E wind 20 kt. Seas 7 ft.
.SAT NIGHT...E wind 20 kt. Seas 8 ft. Rain.
.SUN...SE wind 20 kt. Seas 8 ft.
.SUN NIGHT...E wind 15 kt. Seas 6 ft.
.MON...NW wind 20 kt. Seas 7 ft.
.TUE...NW wind 15 kt. Seas 6 ft.
.WED...Variable wind 10 kt. Seas 7 ft.

$$

PKZ177-140030-
Adak to Kiska-
335 AM AKDT Fri Aug 13 2021

...SMALL CRAFT ADVISORY THROUGH SATURDAY NIGHT...

.TONIGHT...E wind 20 kt. Seas 8 ft.
.SAT...E wind 25 kt. Seas 8 ft.
.SAT NIGHT...E wind 25 kt. Seas 8 ft.
.SUN...E wind 20 kt. Seas 7 ft.
.SUN NIGHT...NE wind 20 kt. Seas 5 ft.
.MON...NW wind 20 kt. Seas 6 ft.
.TUE THROUGH WED...SW wind 15 kt. Seas 6 ft.

$$

PKZ178-140030-
Kiska to Attu-
335 AM AKDT Fri Aug 13 2021

...SMALL CRAFT ADVISORY THROUGH SATURDAY NIGHT...

.TONIGHT...E wind 20 kt. Seas 8 ft.
.SAT...E wind 25 kt. Seas 8 ft.
.SAT NIGHT...NE wind 25 kt. Seas 7 ft.
.SUN...NE wind 20 kt. Seas 7 ft.
.SUN NIGHT...N wind 15 kt. Seas 5 ft.
.MON THROUGH WED...SW wind 20 kt. Seas 5 ft.

$$

PKZ179-140030-
Pribilof Islands Near Shore Waters-
335 AM AKDT Fri Aug 13 2021

.TONIGHT...SW wind 15 kt. Seas 4 ft.
.SAT...SW wind 20 kt. Seas 5 ft.
.SAT NIGHT...SW wind 15 kt. Seas 5 ft.
.SUN...SW wind 15 kt. Seas 5 ft.
.SUN NIGHT...Variable wind 10 kt. Seas 4 ft.
.MON...Variable wind 10 kt. Seas 5 ft.
.TUE...Variable wind 10 kt. Seas 4 ft.
.WED...SW wind 15 kt. Seas 4 ft.

$$

PKZ180-140030-
Kuskokwim Delta and Etolin Strait-
335 AM AKDT Fri Aug 13 2021

.TONIGHT...W wind 15 kt. Seas 3 ft.
.SAT...SW wind 20 kt. Seas 4 ft.
.SAT NIGHT...SW wind 20 kt. Seas 6 ft.
.SUN AND SUN NIGHT...SW wind 20 kt. Seas 6 ft.
.MON...S wind 20 kt. Seas 5 ft.
.TUE...W wind 15 kt. Seas 4 ft.
.WED...SW wind 15 kt. Seas 3 ft.

$$

PKZ181-140030-
North and West of Nunivak Island-
335 AM AKDT Fri Aug 13 2021

...SMALL CRAFT ADVISORY SATURDAY...

.TONIGHT...SW wind 15 kt. Seas 3 ft.
.SAT...SW wind 25 kt. Seas 6 ft.
.SAT NIGHT...SW wind 20 kt. Seas 6 ft.
.SUN...SW wind 15 kt. Seas 5 ft.
.SUN NIGHT...SW wind 20 kt. Seas 6 ft.
.MON...SW wind 20 kt. Seas 6 ft.
.TUE...NW wind 15 kt. Seas 5 ft.
.WED...SW wind 15 kt. Seas 3 ft.

$$

PKZ185-140030-
Saint Matthew Island Waters-
335 AM AKDT Fri Aug 13 2021

...SMALL CRAFT ADVISORY THROUGH SATURDAY NIGHT...

.TONIGHT...SW wind 20 kt E of Saint Matthew Island... SW 25 kt W
of Saint Matthew Island. Seas 6 ft.
.SAT...SW wind 25 kt. Seas 8 ft.
.SAT NIGHT...W wind 25 kt. Seas 8 ft.
.SUN AND SUN NIGHT...SW wind 20 kt. Seas 8 ft.
.MON...W wind 20 kt. Seas 7 ft.
.TUE THROUGH WED...S wind 15 kt. Seas 5 ft.

$$
041 
FZAK52 PAFC 131250 AAA
CWFALU

Coastal Waters Forecast...UPDATED
National Weather Service Anchorage Alaska
450 AM AKDT Fri Aug 13 2021

Coastal Waters Forecast for Southwest Alaska+Bristol Bay+The
Alaska Peninsula Waters and the Aleutian Islands up to 100 nm out.

Wind forecasts reflect the predominant speed and direction
expected. Sea forecasts represent an average of the highest
one-third of the combined wind wave and swell height.

PKZ199-140115-
450 AM AKDT Fri Aug 13 2021
.SYNOPSIS FOR SOUTHWEST ALASKA+BRISTOL BAY+THE ALASKA
PENINSULA WATERS AND THE ALEUTIAN ISLANDS...

A front moves across the Bering Sea this morning through Saturday
morning. A 1008 mb low moves 340 nm southeast of Shemya Sunday 
morning.

$$

PKZ150-140115-
South of the AK Peninsula Sitkinak to Castle Cape-
450 AM AKDT Fri Aug 13 2021

.TODAY...NW wind 15 kt. Seas 6 ft.
.TONIGHT...W wind 20 kt. Seas 6 ft.
.SAT...W wind 20 kt. Seas 5 ft.
.SAT NIGHT...W wind 20 kt. Seas 5 ft.
.SUN...W wind 15 kt. Seas 6 ft.
.MON...S wind 25 kt. Seas 8 ft.
.TUE...SW wind 25 kt. Seas 8 ft.

$$

PKZ155-140115-
South of the AK Peninsula Castle Cape to Cape Sarichef-
450 AM AKDT Fri Aug 13 2021

.TODAY...Variable wind 10 kt. Seas 6 ft.
.TONIGHT...Variable wind 10 kt. Seas 5 ft.
.SAT...W wind 15 kt. Seas 4 ft.
.SAT NIGHT...W wind 15 kt. Seas 5 ft.
.SUN...SW wind 15 kt. Seas 5 ft.
.MON...S wind 25 kt. Seas 7 ft.
.TUE...SW wind 20 kt. Seas 8 ft.

$$

PKZ160-140115-
Bristol Bay-
450 AM AKDT Fri Aug 13 2021

.TODAY...W wind 20 kt. Seas 5 ft.
.TONIGHT...W wind 20 kt. Seas 5 ft.
.SAT...W wind 20 kt. Seas 5 ft.
.SAT NIGHT...W wind 20 kt. Seas 5 ft.
.SUN...SW wind 20 kt. Seas 5 ft.
.MON...SE wind 15 kt. Seas 4 ft.
.TUE...W wind 15 kt. Seas 3 ft.

$$

PKZ165-140115-
Port Heiden to Cape Sarichef-
450 AM AKDT Fri Aug 13 2021

.TODAY...W wind 15 kt. Seas 4 ft.
.TONIGHT...W wind 15 kt. Seas 4 ft.
.SAT...W wind 15 kt. Seas 4 ft.
.SAT NIGHT...SW wind 20 kt. Seas 5 ft.
.SUN...SW wind 20 kt. Seas 5 ft.
.MON...E wind 15 kt. Seas 5 ft.
.TUE...SW wind 15 kt. Seas 3 ft.

$$

PKZ170-140115-
Cape Sarichef to Nikolski Bering Side-
450 AM AKDT Fri Aug 13 2021

.TODAY...Variable wind 10 kt. Seas 3 ft.
.TONIGHT...Variable wind 10 kt. Seas 3 ft.
.SAT...SW wind 15 kt. Seas 3 ft.
.SAT NIGHT...Variable wind 10 kt. Seas 3 ft.
.SUN...SE wind 15 kt. Seas 4 ft.
.MON...NE wind 15 kt. Seas 5 ft.
.TUE...Variable wind 10 kt. Seas 4 ft.

$$

PKZ171-140115-
Unalaska Bay-
450 AM AKDT Fri Aug 13 2021

.TODAY...Variable wind less than 10 kt. Seas 1 foot.
.TONIGHT...Variable wind less than 10 kt. Seas 1 foot.
.SAT...Variable wind less than 10 kt. Seas 2 ft.
.SAT NIGHT...Variable wind less than 10 kt.
.SUN...SE wind 10 kt. Seas 2 ft.
.MON...S wind 10 kt. Seas 2 ft.
.TUE...Variable wind less than 10 kt. Seas 2 ft.

$$

PKZ172-140115-
Cape Sarichef to Nikolski Pacific Side-
450 AM AKDT Fri Aug 13 2021

.TODAY...Variable wind 10 kt. Seas 5 ft.
.TONIGHT...Variable wind 10 kt. Seas 5 ft.
.SAT...Variable wind 10 kt. Seas 6 ft.
.SAT NIGHT...Variable wind 10 kt. Seas 6 ft.
.SUN...SE wind 15 kt. Seas 6 ft.
.MON...S wind 20 kt. Seas 9 ft.
.TUE...S wind 15 kt. Seas 9 ft.

$$

PKZ173-140115-
Nikolski to Seguam Island Bering Side-
450 AM AKDT Fri Aug 13 2021

.TODAY...Variable wind 10 kt. Seas 3 ft.
.TONIGHT...Variable wind 10 kt. Seas 3 ft.
.SAT...Variable wind 10 kt. Seas 4 ft.
.SAT NIGHT...Variable wind 10 kt. Seas 4 ft.
.SUN...SE wind 15 kt. Seas 7 ft.
.MON THROUGH TUE...NW wind 15 kt. Seas 7 ft.

$$

PKZ174-140115-
Nikolski to Seguam Island Pacific Side-
450 AM AKDT Fri Aug 13 2021

.TODAY...Variable wind 10 kt. Seas 5 ft.
.TONIGHT...Variable wind 10 kt. Seas 7 ft.
.SAT...E wind 15 kt. Seas 7 ft.
.SAT NIGHT...SE wind 15 kt. Seas 6 ft.
.SUN...SE wind 15 kt. Seas 8 ft.
.MON THROUGH TUE...NW wind 15 kt. Seas 9 ft.

$$

PKZ175-140115-
Seguam Island to Adak Bering Side-
450 AM AKDT Fri Aug 13 2021

.TODAY...Variable wind 10 kt. Seas 2 ft.
.TONIGHT...E wind 15 kt. Seas 3 ft.
.SAT...E wind 15 kt. Seas 3 ft.
.SAT NIGHT...E wind 20 kt. Seas 4 ft.
.SUN...E wind 20 kt. Seas 5 ft.
.MON...NW wind 20 kt. Seas 7 ft.
.TUE...W wind 15 kt. Seas 5 ft.

$$

PKZ176-140115-
Seguam Island to Adak Pacific Side-
450 AM AKDT Fri Aug 13 2021

...SMALL CRAFT ADVISORY TONIGHT...

.TODAY...E wind 15 kt. Seas 7 ft.
.TONIGHT...E wind 15 kt. Seas 8 ft.
.SAT...E wind 20 kt. Seas 7 ft.
.SAT NIGHT...E wind 20 kt. Seas 8 ft.
.SUN...SE wind 20 kt. Seas 8 ft.
.MON...NW wind 20 kt. Seas 7 ft.
.TUE...NW wind 15 kt. Seas 6 ft.

$$

PKZ177-140115-
Adak to Kiska-
450 AM AKDT Fri Aug 13 2021

...SMALL CRAFT ADVISORY THROUGH SATURDAY...

.TODAY...E wind 20 kt. Seas 8 ft.
.TONIGHT...E wind 20 kt. Seas 8 ft.
.SAT...E wind 25 kt. Seas 8 ft.
.SAT NIGHT...E wind 25 kt. Seas 8 ft.
.SUN...NE wind 20 kt. Seas 7 ft.
.MON...NW wind 20 kt. Seas 6 ft.
.TUE...W wind 15 kt. Seas 5 ft.

$$

PKZ178-140115-
Kiska to Attu-
450 AM AKDT Fri Aug 13 2021

...SMALL CRAFT ADVISORY THROUGH SATURDAY...

.TODAY...E wind 20 kt. Seas 8 ft.
.TONIGHT...E wind 20 kt. Seas 8 ft.
.SAT...E wind 25 kt. Seas 8 ft.
.SAT NIGHT...NE wind 25 kt. Seas 7 ft.
.SUN...N wind 20 kt. Seas 7 ft.
.MON THROUGH TUE...SW wind 20 kt. Seas 5 ft.

$$

PKZ179-140115-
Pribilof Islands Near Shore Waters-
450 AM AKDT Fri Aug 13 2021

.TODAY...SW wind 15 kt. Seas 5 ft.
.TONIGHT...SW wind 15 kt. Seas 4 ft.
.SAT...SW wind 20 kt. Seas 5 ft.
.SAT NIGHT...SW wind 15 kt. Seas 5 ft.
.SUN...SW wind 15 kt. Seas 5 ft.
.MON...Variable wind 10 kt. Seas 5 ft.
.TUE...Variable wind 10 kt. Seas 4 ft.

$$

PKZ180-140115-
Kuskokwim Delta and Etolin Strait-
450 AM AKDT Fri Aug 13 2021

.TODAY...NW wind 15 kt. Seas 3 ft.
.TONIGHT...W wind 15 kt. Seas 3 ft.
.SAT...SW wind 20 kt. Seas 4 ft.
.SAT NIGHT...SW wind 20 kt. Seas 6 ft.
.SUN...SW wind 20 kt. Seas 6 ft.
.MON...S wind 20 kt. Seas 5 ft.
.TUE...W wind 15 kt. Seas 4 ft.

$$

PKZ181-140115-
North and West of Nunivak Island-
450 AM AKDT Fri Aug 13 2021

...SMALL CRAFT ADVISORY SATURDAY...

.TODAY...Variable wind 10 kt. Seas 3 ft.
.TONIGHT...SW wind 15 kt. Seas 3 ft.
.SAT...SW wind 25 kt. Seas 6 ft.
.SAT NIGHT...SW wind 20 kt. Seas 6 ft.
.SUN THROUGH MON...SW wind 20 kt. Seas 6 ft.
.TUE...NW wind 15 kt. Seas 5 ft.

$$

PKZ185-140115-
Saint Matthew Island Waters-
450 AM AKDT Fri Aug 13 2021

...SMALL CRAFT ADVISORY TONIGHT AND SATURDAY...

.TODAY...Variable wind 10 kt E of Saint Matthew Island...SW 20 kt
W of Saint Matthew Island. Seas 4 ft.
.TONIGHT...SW wind 20 kt E of Saint Matthew Island... SW 25 kt W
of Saint Matthew Island. Seas 6 ft.
.SAT...SW wind 25 kt. Seas 8 ft.
.SAT NIGHT...W wind 25 kt. Seas 8 ft.
.SUN...SW wind 20 kt. Seas 8 ft.
.MON...W wind 20 kt. Seas 7 ft.
.TUE...S wind 15 kt. Seas 5 ft.

$$
340 
FZAK52 PAFC 132336
CWFALU

Coastal Waters Forecast
National Weather Service Anchorage Alaska
336 PM AKDT Fri Aug 13 2021

Coastal Waters Forecast for Southwest Alaska+Bristol Bay+The
Alaska Peninsula Waters and the Aleutian Islands up to 100 nm out.

Wind forecasts reflect the predominant speed and direction
expected. Sea forecasts represent an average of the highest
one-third of the combined wind wave and swell height.

PKZ199-141215-
336 PM AKDT Fri Aug 13 2021
.SYNOPSIS FOR SOUTHWEST ALASKA+BRISTOL BAY+THE ALASKA
PENINSULA WATERS AND THE ALEUTIAN ISLANDS...

A 999 mb low 460 nm south of Shemya moves to 175 nm south of 
Amchitka at 1007 mb for Sun afternoon. Its front moves over the 
Aleutians through Sun afternoon. A low moves across the northern 
Bering through Sun afternoon. Weak high pressure remains over the 
southern Bering through Sun afternoon.

$$

PKZ150-141215-
South of the AK Peninsula Sitkinak to Castle Cape-
336 PM AKDT Fri Aug 13 2021

.TONIGHT...NW wind 20 kt. Seas 6 ft.
.SAT...NW wind 20 kt. Seas 6 ft.
.SAT NIGHT...W wind 20 kt. Seas 6 ft.
.SUN...W wind 15 kt. Seas 6 ft.
.SUN NIGHT...W wind 20 kt. Seas 6 ft.
.MON THROUGH TUE...SW wind 25 kt. Seas 8 ft.
.WED...SW wind 15 kt. Seas 11 ft.

$$

PKZ155-141215-
South of the AK Peninsula Castle Cape to Cape Sarichef-
336 PM AKDT Fri Aug 13 2021

.TONIGHT...Variable wind 10 kt. Seas 5 ft.
.SAT...W wind 15 kt. Seas 4 ft.
.SAT NIGHT...W wind 15 kt. Seas 6 ft.
.SUN AND SUN NIGHT...SW wind 15 kt. Seas 5 ft.
.MON...S wind 25 kt. Seas 7 ft.
.TUE...SW wind 20 kt. Seas 8 ft.
.WED...SW wind 15 kt. Seas 12 ft.

$$

PKZ160-141215-
Bristol Bay-
336 PM AKDT Fri Aug 13 2021

.TONIGHT...NW wind 20 kt. Seas 4 ft.
.SAT...W wind 20 kt. Seas 4 ft.
.SAT NIGHT...W wind 20 kt. Seas 4 ft.
.SUN AND SUN NIGHT...SW wind 20 kt. Seas 5 ft.
.MON...S wind 15 kt. Seas 4 ft.
.TUE THROUGH WED...SW wind 15 kt. Seas 3 ft.

$$

PKZ165-141215-
Port Heiden to Cape Sarichef-
336 PM AKDT Fri Aug 13 2021

.TONIGHT...Variable wind 10 kt except W 15 kt from Port Moller E.
Seas 3 ft.
.SAT...W wind 15 kt. Seas 3 ft.
.SAT NIGHT...SW wind 20 kt. Seas 4 ft.
.SUN...SW wind 20 kt. Seas 5 ft.
.SUN NIGHT...SW wind 15 kt. Seas 5 ft.
.MON...SE wind 15 kt. Seas 5 ft.
.TUE THROUGH WED...SW wind 15 kt. Seas 4 ft.

$$

PKZ170-141215-
Cape Sarichef to Nikolski Bering Side-
336 PM AKDT Fri Aug 13 2021

.TONIGHT...Variable wind 10 kt. Seas 2 ft.
.SAT...Variable wind 10 kt. Seas 3 ft.
.SAT NIGHT...SW wind 15 kt. Seas 3 ft.
.SUN AND SUN NIGHT...SE wind 15 kt. Seas 4 ft.
.MON...E wind 20 kt. Seas 5 ft.
.TUE...Variable wind 10 kt. Seas 4 ft.
.WED...W wind 15 kt. Seas 4 ft.

$$

PKZ171-141215-
Unalaska Bay-
336 PM AKDT Fri Aug 13 2021

.TONIGHT...Variable wind less than 10 kt. Seas 1 foot.
.SAT...Variable wind less than 10 kt. Seas 1 foot.
.SAT NIGHT...Variable wind less than 10 kt.
.SUN AND SUN NIGHT...SE wind 10 kt. Seas 2 ft.
.MON...SE wind 15 kt. Seas 2 ft.
.TUE...Variable wind less than 10 kt. Seas 2 ft.
.WED...Variable wind less than 10 kt. Seas 2 ft.

$$

PKZ172-141215-
Cape Sarichef to Nikolski Pacific Side-
336 PM AKDT Fri Aug 13 2021

.TONIGHT...Variable wind 10 kt. Seas 5 ft.
.SAT...Variable wind 10 kt. Seas 6 ft.
.SAT NIGHT...Variable wind 10 kt. Seas 6 ft.
.SUN AND SUN NIGHT...SE wind 15 kt. Seas 6 ft.
.MON...SE wind 25 kt. Seas 9 ft.
.TUE...S wind 15 kt. Seas 9 ft.
.WED...W wind 15 kt. Seas 12 ft.

$$

PKZ173-141215-
Nikolski to Seguam Island Bering Side-
336 PM AKDT Fri Aug 13 2021

.TONIGHT...Variable wind 10 kt. Seas 3 ft.
.SAT...Variable wind 10 kt. Seas 4 ft.
.SAT NIGHT...SE wind 10 kt. Seas 4 ft.
.SUN AND SUN NIGHT...SE wind 15 kt. Seas 5 ft.
.MON...N wind 20 kt. Seas 7 ft.
.TUE...NW wind 15 kt. Seas 7 ft.
.WED...Variable wind 10 kt. Seas 7 ft.

$$

PKZ174-141215-
Nikolski to Seguam Island Pacific Side-
336 PM AKDT Fri Aug 13 2021

.TONIGHT...NE wind 15 kt. Seas 6 ft.
.SAT...E wind 10 kt. Seas 6 ft.
.SAT NIGHT...SE wind 15 kt. Seas 6 ft.
.SUN AND SUN NIGHT...SE wind 15 kt. Seas 7 ft.
.MON...N wind 25 kt. Seas 9 ft.
.TUE THROUGH WED...NW wind 15 kt. Seas 9 ft.

$$

PKZ175-141215-
Seguam Island to Adak Bering Side-
336 PM AKDT Fri Aug 13 2021

.TONIGHT...E wind 10 kt. Seas 3 ft.
.SAT...E wind 10 kt. Seas 3 ft.
.SAT NIGHT...E wind 15 kt. Seas 3 ft.
.SUN...E wind 20 kt. Seas 5 ft.
.SUN NIGHT...E wind 15 kt. Seas 5 ft.
.MON...N wind 20 kt. Seas 7 ft.
.TUE THROUGH WED...SW wind 15 kt. Seas 5 ft.

$$

PKZ176-141215-
Seguam Island to Adak Pacific Side-
336 PM AKDT Fri Aug 13 2021

...SMALL CRAFT ADVISORY SATURDAY NIGHT...

.TONIGHT...E wind 15 kt. Seas 7 ft.
.SAT...E wind 20 kt. Seas 7 ft.
.SAT NIGHT...E wind 20 kt. Seas 9 ft.
.SUN...SE wind 20 kt. Seas 8 ft.
.SUN NIGHT...E wind 15 kt. Seas 5 ft.
.MON...N wind 20 kt. Seas 7 ft.
.TUE...NW wind 15 kt. Seas 6 ft.
.WED...Variable wind 10 kt. Seas 7 ft.

$$

PKZ177-141215-
Adak to Kiska-
336 PM AKDT Fri Aug 13 2021

...SMALL CRAFT ADVISORY SATURDAY AND SATURDAY NIGHT...

.TONIGHT...E wind 20 kt. Seas 7 ft.
.SAT...E wind 20 kt. Seas 8 ft.
.SAT NIGHT...E wind 25 kt. Seas 8 ft.
.SUN AND SUN NIGHT...NE wind 20 kt. Seas 6 ft.
.MON...N wind 20 kt. Seas 6 ft.
.TUE THROUGH WED...SW wind 15 kt. Seas 6 ft.

$$

PKZ178-141215-
Kiska to Attu-
336 PM AKDT Fri Aug 13 2021

...SMALL CRAFT ADVISORY THROUGH SATURDAY...

.TONIGHT...E wind 20 kt. Seas 8 ft.
.SAT...E wind 20 kt. Seas 8 ft.
.SAT NIGHT...E wind 20 kt. Seas 7 ft.
.SUN AND SUN NIGHT...N wind 20 kt. Seas 6 ft.
.MON...NW wind 20 kt. Seas 5 ft.
.TUE THROUGH WED...SW wind 20 kt. Seas 6 ft.

$$

PKZ179-141215-
Pribilof Islands Near Shore Waters-
336 PM AKDT Fri Aug 13 2021

.TONIGHT...SW wind 15 kt. Seas 4 ft.
.SAT...SW wind 20 kt. Seas 5 ft.
.SAT NIGHT...SW wind 20 kt. Seas 6 ft.
.SUN...SW wind 20 kt. Seas 6 ft.
.SUN NIGHT...SW wind 15 kt. Seas 5 ft.
.MON...N wind 15 kt. Seas 5 ft.
.TUE...Variable wind 10 kt. Seas 4 ft.
.WED...SW wind 15 kt. Seas 5 ft.

$$

PKZ180-141215-
Kuskokwim Delta and Etolin Strait-
336 PM AKDT Fri Aug 13 2021

...SMALL CRAFT ADVISORY SATURDAY NIGHT...

.TONIGHT...W wind 15 kt. Seas 3 ft.
.SAT...W wind 20 kt. Seas 4 ft.
.SAT NIGHT...SW wind 25 kt. Seas 6 ft.
.SUN...SW wind 20 kt. Seas 6 ft.
.SUN NIGHT...SW wind 25 kt. Seas 6 ft.
.MON...SW wind 25 kt. Seas 6 ft.
.TUE...W wind 15 kt. Seas 4 ft.
.WED...SW wind 15 kt. Seas 5 ft.

$$

PKZ181-141215-
North and West of Nunivak Island-
336 PM AKDT Fri Aug 13 2021

...SMALL CRAFT ADVISORY SATURDAY AND SATURDAY NIGHT...

.TONIGHT...SW wind 15 kt. Seas 3 ft.
.SAT...SW wind 25 kt. Seas 6 ft.
.SAT NIGHT...SW wind 25 kt. Seas 7 ft.
.SUN...SW wind 20 kt. Seas 6 ft.
.SUN NIGHT...SW wind 25 kt. Seas 7 ft.
.MON...NW wind 20 kt. Seas 7 ft.
.TUE...NW wind 15 kt. Seas 5 ft.
.WED...SW wind 15 kt. Seas 4 ft.

$$

PKZ185-141215-
Saint Matthew Island Waters-
336 PM AKDT Fri Aug 13 2021

...SMALL CRAFT ADVISORY THROUGH SATURDAY NIGHT...

.TONIGHT...E of Saint Matthew Island, SW wind 15 kt increasing to
25 kt after midnight. W of Saint Matthew Island, SW wind 25 kt.
Seas 6 ft.
.SAT...SW wind 25 kt. Seas 8 ft.
.SAT NIGHT...W wind 25 kt. Seas 8 ft.
.SUN AND SUN NIGHT...W wind 25 kt. Seas 8 ft.
.MON...N wind 15 kt. Seas 6 ft.
.TUE...S wind 15 kt. Seas 5 ft.
.WED...SW wind 15 kt. Seas 5 ft.

$$
769 
FZAK52 PAFC 141140
CWFALU

Coastal Waters Forecast
National Weather Service Anchorage Alaska
340 AM AKDT Sat Aug 14 2021

Coastal Waters Forecast for Southwest Alaska+Bristol Bay+The
Alaska Peninsula Waters and the Aleutian Islands up to 100 nm out.

Wind forecasts reflect the predominant speed and direction
expected. Sea forecasts represent an average of the highest
one-third of the combined wind wave and swell height.

PKZ199-150030-
340 AM AKDT Sat Aug 14 2021
.SYNOPSIS FOR SOUTHWEST ALASKA+BRISTOL BAY+THE ALASKA
PENINSULA WATERS AND THE ALEUTIAN ISLANDS...

Semisopochnoi which is located approximately 140 nautical miles 
west of Adak has been having occasional eruptions and a plume of ash
has been observed on satellite imagery this morning.

A front moves across the eastern Bering today. A developing 1004
mb North Pacific low 645 nm southwest of Adak Sunday morning will
move 275 nm southwest of Dutch Harbor at 999 mb Monday morning. 

$$

PKZ150-150030-
South of the AK Peninsula Sitkinak to Castle Cape-
340 AM AKDT Sat Aug 14 2021

.TODAY...NW wind 20 kt. Seas 6 ft.
.TONIGHT...W wind 20 kt. Seas 6 ft.
.SUN...W wind 15 kt. Seas 6 ft.
.SUN NIGHT...W wind 20 kt. Seas 6 ft.
.MON...S wind 30 kt. Seas 10 ft.
.TUE...SW wind 25 kt. Seas 10 ft.
.WED...SW wind 15 kt. Seas 9 ft.

$$

PKZ155-150030-
South of the AK Peninsula Castle Cape to Cape Sarichef-
340 AM AKDT Sat Aug 14 2021

.TODAY...W wind 15 kt. Seas 4 ft.
.TONIGHT...W wind 15 kt. Seas 5 ft.
.SUN...SW wind 15 kt. Seas 5 ft.
.SUN NIGHT...SW wind 15 kt. Seas 5 ft.
.MON...SE wind 30 kt. Seas 9 ft.
.TUE...SW wind 15 kt. Seas 8 ft.
.WED...Variable wind 10 kt. Seas 7 ft.

$$

PKZ160-150030-
Bristol Bay-
340 AM AKDT Sat Aug 14 2021

.TODAY...W wind 20 kt. Seas 4 ft.
.TONIGHT...W wind 20 kt. Seas 4 ft.
.SUN...SW wind 20 kt. Seas 5 ft.
.SUN NIGHT...SW wind 20 kt. Seas 4 ft.
.MON...SE wind 15 kt. Seas 3 ft.
.TUE...N wind 15 kt. Seas 3 ft.
.WED...SW wind 15 kt. Seas 1 foot.

$$

PKZ165-150030-
Port Heiden to Cape Sarichef-
340 AM AKDT Sat Aug 14 2021

.TODAY...W wind 15 kt. Seas 3 ft.
.TONIGHT...SW wind 20 kt. Seas 4 ft.
.SUN...SW wind 20 kt. Seas 5 ft.
.SUN NIGHT...S wind 15 kt. Seas 5 ft.
.MON...E wind 20 kt. Seas 5 ft.
.TUE...NW wind 15 kt. Seas 4 ft.
.WED...SW wind 15 kt. Seas 3 ft.

$$

PKZ170-150030-
Cape Sarichef to Nikolski Bering Side-
340 AM AKDT Sat Aug 14 2021

.TODAY...Variable wind 10 kt. Seas 3 ft.
.TONIGHT...SW wind 15 kt. Seas 3 ft.
.SUN...S wind 15 kt. Seas 3 ft.
.SUN NIGHT...SE wind 20 kt. Seas 4 ft.
.MON...NE wind 25 kt. Seas 7 ft.
.TUE...NW wind 15 kt. Seas 5 ft.
.WED...W wind 15 kt. Seas 4 ft.

$$

PKZ171-150030-
Unalaska Bay-
340 AM AKDT Sat Aug 14 2021

.TODAY...Variable wind less than 10 kt. Seas 1 foot.
.TONIGHT...Variable wind less than 10 kt.
.SUN...Variable wind less than 10 kt becoming SE 10 kt in the
afternoon. Seas 2 ft.
.SUN NIGHT...SE wind 15 kt. Seas 2 ft.
.MON...NE wind 20 kt. Seas 3 ft.
.TUE...NW wind 10 kt. Seas 3 ft.
.WED...Variable wind less than 10 kt. Seas 2 ft.

$$

PKZ172-150030-
Cape Sarichef to Nikolski Pacific Side-
340 AM AKDT Sat Aug 14 2021

.TODAY...Variable wind 10 kt. Seas 6 ft.
.TONIGHT...Variable wind 10 kt. Seas 6 ft.
.SUN...SE wind 15 kt. Seas 5 ft.
.SUN NIGHT...SE wind 20 kt. Seas 6 ft.
.MON...E wind 30 kt. Seas 9 ft.
.TUE...NW wind 15 kt. Seas 8 ft.
.WED...Variable wind 10 kt. Seas 7 ft.

$$

PKZ173-150030-
Nikolski to Seguam Island Bering Side-
340 AM AKDT Sat Aug 14 2021

.TODAY...Variable wind 10 kt. Seas 4 ft.
.TONIGHT...Variable wind 10 kt. Seas 4 ft.
.SUN...SE wind 15 kt. Seas 5 ft.
.SUN NIGHT...SE wind 20 kt. Seas 5 ft.
.MON...NE wind 25 kt. Seas 8 ft.
.TUE...NW wind 15 kt. Seas 7 ft.
.WED...W wind 15 kt. Seas 5 ft.

$$

PKZ174-150030-
Nikolski to Seguam Island Pacific Side-
340 AM AKDT Sat Aug 14 2021

.TODAY...Variable wind 10 kt. Seas 7 ft.
.TONIGHT...SE wind 15 kt. Seas 6 ft.
.SUN...SE wind 15 kt. Seas 7 ft.
.SUN NIGHT...SE wind 20 kt. Seas 7 ft.
.MON...N wind 25 kt. Seas 9 ft.
.TUE THROUGH WED...NW wind 15 kt. Seas 8 ft.

$$

PKZ175-150030-
Seguam Island to Adak Bering Side-
340 AM AKDT Sat Aug 14 2021

.TODAY...Variable wind 10 kt. Seas 2 ft.
.TONIGHT...E wind 15 kt. Seas 3 ft.
.SUN...E wind 20 kt. Seas 5 ft.
.SUN NIGHT...E wind 15 kt. Seas 5 ft.
.MON...NE wind 25 kt. Seas 7 ft.
.TUE...NW wind 20 kt. Seas 7 ft.
.WED...W wind 15 kt. Seas 5 ft.

$$

PKZ176-150030-
Seguam Island to Adak Pacific Side-
340 AM AKDT Sat Aug 14 2021

...SMALL CRAFT ADVISORY TONIGHT AND SUNDAY...

.TODAY...E wind 20 kt. Seas 7 ft.
.TONIGHT...E wind 20 kt. Seas 8 ft.
.SUN...E wind 20 kt. Seas 8 ft.
.SUN NIGHT...E wind 15 kt. Seas 6 ft.
.MON...N wind 25 kt. Seas 8 ft.
.TUE...NW wind 20 kt. Seas 8 ft.
.WED...Variable wind 10 kt. Seas 5 ft.

$$

PKZ177-150030-
Adak to Kiska-
340 AM AKDT Sat Aug 14 2021

...SMALL CRAFT ADVISORY THROUGH TONIGHT...

.TODAY...E wind 20 kt. Seas 8 ft.
.TONIGHT...E wind 25 kt. Seas 8 ft.
.SUN...E wind 20 kt. Seas 7 ft.
.SUN NIGHT...NE wind 20 kt. Seas 5 ft.
.MON...N wind 25 kt. Seas 7 ft.
.TUE...W wind 20 kt. Seas 7 ft.
.WED...W wind 15 kt. Seas 5 ft.

$$

PKZ178-150030-
Kiska to Attu-
340 AM AKDT Sat Aug 14 2021

...SMALL CRAFT ADVISORY TODAY...

.TODAY...E wind 20 kt. Seas 8 ft.
.TONIGHT...E wind 20 kt. Seas 7 ft.
.SUN...NE wind 20 kt. Seas 6 ft.
.SUN NIGHT...N wind 20 kt. Seas 6 ft.
.MON...NW wind 20 kt. Seas 5 ft.
.TUE THROUGH WED...SW wind 20 kt. Seas 5 ft.

$$

PKZ179-150030-
Pribilof Islands Near Shore Waters-
340 AM AKDT Sat Aug 14 2021

.TODAY...SW wind 20 kt. Seas 5 ft.
.TONIGHT...SW wind 20 kt. Seas 6 ft.
.SUN...SW wind 20 kt. Seas 5 ft.
.SUN NIGHT...SW wind 15 kt. Seas 5 ft.
.MON...NE wind 20 kt. Seas 5 ft.
.TUE...NW wind 15 kt. Seas 4 ft.
.WED...SW wind 15 kt. Seas 4 ft.

$$

PKZ180-150030-
Kuskokwim Delta and Etolin Strait-
340 AM AKDT Sat Aug 14 2021

...SMALL CRAFT ADVISORY TONIGHT...

.TODAY...W wind 20 kt. Seas 4 ft.
.TONIGHT...SW wind 25 kt. Seas 6 ft.
.SUN...SW wind 20 kt. Seas 6 ft.
.SUN NIGHT...SW wind 20 kt. Seas 6 ft.
.MON...SW wind 20 kt. Seas 6 ft.
.TUE...NW wind 15 kt. Seas 4 ft.
.WED...SW wind 15 kt. Seas 3 ft.

$$

PKZ181-150030-
North and West of Nunivak Island-
340 AM AKDT Sat Aug 14 2021

...SMALL CRAFT ADVISORY THROUGH TONIGHT...

.TODAY...SW wind 25 kt. Seas 7 ft.
.TONIGHT...SW wind 25 kt. Seas 7 ft.
.SUN...SW wind 20 kt. Seas 6 ft.
.SUN NIGHT...SW wind 20 kt. Seas 8 ft.
.MON THROUGH TUE...N wind 15 kt. Seas 5 ft.
.WED...SE wind 20 kt. Seas 5 ft.

$$

PKZ185-150030-
Saint Matthew Island Waters-
340 AM AKDT Sat Aug 14 2021

...SMALL CRAFT ADVISORY THROUGH SUNDAY...

.TODAY...SW wind 25 kt. Seas 7 ft.
.TONIGHT...W wind 25 kt. Seas 7 ft.
.SUN...SW wind 25 kt. Seas 9 ft.
.SUN NIGHT...W wind 25 kt. Seas 8 ft.
.MON...NE wind 15 kt. Seas 6 ft.
.TUE...SE wind 15 kt. Seas 4 ft.
.WED...N wind 20 kt. Seas 6 ft.

$$
706 
FZAK52 PAFC 141548 AAA
CWFALU

Coastal Waters Forecast...UPDATED
National Weather Service Anchorage AK
748 AM AKDT Sat Aug 14 2021

Coastal Waters Forecast for Southwest Alaska+Bristol Bay+The
Alaska Peninsula Waters and the Aleutian Islands up to 100 nm out.

Wind forecasts reflect the predominant speed and direction
expected. Sea forecasts represent an average of the highest
one-third of the combined wind wave and swell height.

PKZ199-150315-
748 AM AKDT Sat Aug 14 2021
.SYNOPSIS FOR SOUTHWEST ALASKA+BRISTOL BAY+THE ALASKA
PENINSULA WATERS AND THE ALEUTIAN ISLANDS...

Semisopochnoi which is located approximately 140 nautical miles 
west of Adak has been having occasional eruptions and a plume of ash
has been observed on satellite imagery this morning.

A front moves across the eastern Bering today. A developing 1004
mb North Pacific low 645 nm southwest of Adak Sunday morning will
move 275 nm southwest of Dutch Harbor at 999 mb Monday morning. 

$$

PKZ150-150315-
South of the AK Peninsula Sitkinak to Castle Cape-
748 AM AKDT Sat Aug 14 2021

...SMALL CRAFT ADVISORY THROUGH TONIGHT...

.TODAY...NW wind increasing to 25 kt. Seas 7 ft.
.TONIGHT...NW wind 25 kt. Seas 7 ft.
.SUN...W wind 20 kt. Seas 6 ft.
.SUN NIGHT...W wind 20 kt. Seas 6 ft.
.MON...S wind 30 kt. Seas 10 ft.
.TUE...SW wind 25 kt. Seas 10 ft.
.WED...SW wind 15 kt. Seas 9 ft.

$$

PKZ155-150315-
South of the AK Peninsula Castle Cape to Cape Sarichef-
748 AM AKDT Sat Aug 14 2021

.TODAY...NW wind 15 kt. Seas 4 ft.
.TONIGHT...W wind 15 kt. Seas 5 ft.
.SUN...SW wind 15 kt. Seas 6 ft.
.SUN NIGHT...SW wind 15 kt. Seas 5 ft.
.MON...SE wind 30 kt. Seas 9 ft.
.TUE...SW wind 15 kt. Seas 8 ft.
.WED...Variable wind 10 kt. Seas 7 ft.

$$

PKZ160-150315-
Bristol Bay-
748 AM AKDT Sat Aug 14 2021

.TODAY...W wind 20 kt. Seas 4 ft. 
.TONIGHT...W wind 20 kt. Seas 4 ft. 
.SUN...SW wind 20 kt. Seas 5 ft. 
.SUN NIGHT...SW wind 20 kt. Seas 4 ft. 
.MON...SE wind 15 kt. Seas 3 ft. 
.TUE...N wind 15 kt. Seas 3 ft. 
.WED...SW wind 15 kt. Seas 1 foot.

$$

PKZ165-150315-
Port Heiden to Cape Sarichef-
748 AM AKDT Sat Aug 14 2021

.TODAY...W wind 15 kt. Seas 3 ft. 
.TONIGHT...SW wind 20 kt. Seas 4 ft. 
.SUN...SW wind 20 kt. Seas 5 ft. 
.SUN NIGHT...S wind 15 kt. Seas 5 ft. 
.MON...E wind 20 kt. Seas 5 ft. 
.TUE...NW wind 15 kt. Seas 4 ft. 
.WED...SW wind 15 kt. Seas 3 ft.

$$

PKZ170-150315-
Cape Sarichef to Nikolski Bering Side-
748 AM AKDT Sat Aug 14 2021

.TODAY...Variable wind 10 kt. Seas 3 ft. 
.TONIGHT...SW wind 15 kt. Seas 3 ft. 
.SUN...S wind 15 kt. Seas 3 ft. 
.SUN NIGHT...SE wind 20 kt. Seas 4 ft. 
.MON...NE wind 25 kt. Seas 7 ft. 
.TUE...NW wind 15 kt. Seas 5 ft. 
.WED...W wind 15 kt. Seas 4 ft.

$$

PKZ171-150315-
Unalaska Bay-
748 AM AKDT Sat Aug 14 2021

.TODAY...Variable wind less than 10 kt. Seas 1 foot. 
.TONIGHT...Variable wind less than 10 kt. 
.SUN...Variable wind less than 10 kt becoming SE 10 kt in the
afternoon. Seas 2 ft. 
.SUN NIGHT...SE wind 15 kt. Seas 2 ft. 
.MON...NE wind 20 kt. Seas 3 ft. 
.TUE...NW wind 10 kt. Seas 3 ft. 
.WED...Variable wind less than 10 kt. Seas 2 ft.

$$

PKZ172-150315-
Cape Sarichef to Nikolski Pacific Side-
748 AM AKDT Sat Aug 14 2021

.TODAY...Variable wind 10 kt. Seas 6 ft. 
.TONIGHT...Variable wind 10 kt. Seas 6 ft. 
.SUN...SE wind 15 kt. Seas 5 ft. 
.SUN NIGHT...SE wind 20 kt. Seas 6 ft. 
.MON...E wind 30 kt. Seas 9 ft. 
.TUE...NW wind 15 kt. Seas 8 ft. 
.WED...Variable wind 10 kt. Seas 7 ft.

$$

PKZ173-150315-
Nikolski to Seguam Island Bering Side-
748 AM AKDT Sat Aug 14 2021

.TODAY...Variable wind 10 kt. Seas 4 ft. 
.TONIGHT...Variable wind 10 kt. Seas 4 ft. 
.SUN...SE wind 15 kt. Seas 5 ft. 
.SUN NIGHT...SE wind 20 kt. Seas 5 ft. 
.MON...NE wind 25 kt. Seas 8 ft. 
.TUE...NW wind 15 kt. Seas 7 ft. 
.WED...W wind 15 kt. Seas 5 ft.

$$

PKZ174-150315-
Nikolski to Seguam Island Pacific Side-
748 AM AKDT Sat Aug 14 2021

.TODAY...Variable wind 10 kt. Seas 7 ft. 
.TONIGHT...SE wind 15 kt. Seas 6 ft. 
.SUN...SE wind 15 kt. Seas 7 ft. 
.SUN NIGHT...SE wind 20 kt. Seas 7 ft. 
.MON...N wind 25 kt. Seas 9 ft. 
.TUE THROUGH WED...NW wind 15 kt. Seas 8 ft.

$$

PKZ175-150315-
Seguam Island to Adak Bering Side-
748 AM AKDT Sat Aug 14 2021

.TODAY...Variable wind 10 kt. Seas 2 ft. 
.TONIGHT...E wind 15 kt. Seas 3 ft. 
.SUN...E wind 20 kt. Seas 5 ft. 
.SUN NIGHT...E wind 15 kt. Seas 5 ft. 
.MON...NE wind 25 kt. Seas 7 ft. 
.TUE...NW wind 20 kt. Seas 7 ft. 
.WED...W wind 15 kt. Seas 5 ft.

$$

PKZ176-150315-
Seguam Island to Adak Pacific Side-
748 AM AKDT Sat Aug 14 2021

...SMALL CRAFT ADVISORY TONIGHT AND SUNDAY...

.TODAY...E wind 20 kt. Seas 7 ft. 
.TONIGHT...E wind 20 kt. Seas 8 ft. 
.SUN...E wind 20 kt. Seas 8 ft. 
.SUN NIGHT...E wind 15 kt. Seas 6 ft. 
.MON...N wind 25 kt. Seas 8 ft. 
.TUE...NW wind 20 kt. Seas 8 ft. 
.WED...Variable wind 10 kt. Seas 5 ft.

$$

PKZ177-150315-
Adak to Kiska-
748 AM AKDT Sat Aug 14 2021

...SMALL CRAFT ADVISORY THROUGH TONIGHT...

.TODAY...E wind 20 kt. Seas 8 ft. 
.TONIGHT...E wind 25 kt. Seas 8 ft. 
.SUN...E wind 20 kt. Seas 7 ft. 
.SUN NIGHT...NE wind 20 kt. Seas 5 ft. 
.MON...N wind 25 kt. Seas 7 ft. 
.TUE...W wind 20 kt. Seas 7 ft. 
.WED...W wind 15 kt. Seas 5 ft.

$$

PKZ178-150315-
Kiska to Attu-
748 AM AKDT Sat Aug 14 2021

...SMALL CRAFT ADVISORY TODAY...

.TODAY...E wind 20 kt. Seas 8 ft. 
.TONIGHT...E wind 20 kt. Seas 7 ft. 
.SUN...NE wind 20 kt. Seas 6 ft. 
.SUN NIGHT...N wind 20 kt. Seas 6 ft. 
.MON...NW wind 20 kt. Seas 5 ft. 
.TUE THROUGH WED...SW wind 20 kt. Seas 5 ft.

$$

PKZ179-150315-
Pribilof Islands Near Shore Waters-
748 AM AKDT Sat Aug 14 2021

.TODAY...SW wind 20 kt. Seas 5 ft. 
.TONIGHT...SW wind 20 kt. Seas 6 ft. 
.SUN...SW wind 20 kt. Seas 5 ft. 
.SUN NIGHT...SW wind 15 kt. Seas 5 ft. 
.MON...NE wind 20 kt. Seas 5 ft. 
.TUE...NW wind 15 kt. Seas 4 ft. 
.WED...SW wind 15 kt. Seas 4 ft.

$$

PKZ180-150315-
Kuskokwim Delta and Etolin Strait-
748 AM AKDT Sat Aug 14 2021

...SMALL CRAFT ADVISORY TONIGHT...

.TODAY...W wind 20 kt. Seas 4 ft. 
.TONIGHT...SW wind 25 kt. Seas 6 ft. 
.SUN...SW wind 20 kt. Seas 6 ft. 
.SUN NIGHT...SW wind 20 kt. Seas 6 ft. 
.MON...SW wind 20 kt. Seas 6 ft. 
.TUE...NW wind 15 kt. Seas 4 ft. 
.WED...SW wind 15 kt. Seas 3 ft.

$$

PKZ181-150315-
North and West of Nunivak Island-
748 AM AKDT Sat Aug 14 2021

...SMALL CRAFT ADVISORY THROUGH TONIGHT...

.TODAY...SW wind 25 kt. Seas 7 ft. 
.TONIGHT...SW wind 25 kt. Seas 7 ft. 
.SUN...SW wind 20 kt. Seas 6 ft. 
.SUN NIGHT...SW wind 20 kt. Seas 8 ft. 
.MON THROUGH TUE...N wind 15 kt. Seas 5 ft. 
.WED...SE wind 20 kt. Seas 5 ft.

$$

PKZ185-150315-
Saint Matthew Island Waters-
748 AM AKDT Sat Aug 14 2021

...SMALL CRAFT ADVISORY THROUGH SUNDAY...

.TODAY...SW wind 25 kt. Seas 7 ft. 
.TONIGHT...W wind 25 kt. Seas 7 ft. 
.SUN...SW wind 25 kt. Seas 9 ft. 
.SUN NIGHT...W wind 25 kt. Seas 8 ft. 
.MON...NE wind 15 kt. Seas 6 ft. 
.TUE...SE wind 15 kt. Seas 4 ft. 
.WED...N wind 20 kt. Seas 6 ft.

$$
256 
FZAK52 PAFC 142336
CWFALU

Coastal Waters Forecast
National Weather Service Anchorage Alaska
336 PM AKDT Sat Aug 14 2021

Coastal Waters Forecast for Southwest Alaska+Bristol Bay+The
Alaska Peninsula Waters and the Aleutian Islands up to 100 nm out.

Wind forecasts reflect the predominant speed and direction
expected. Sea forecasts represent an average of the highest
one-third of the combined wind wave and swell height.

PKZ199-151215-
336 PM AKDT Sat Aug 14 2021
.SYNOPSIS FOR SOUTHWEST ALASKA+BRISTOL BAY+THE ALASKA
PENINSULA WATERS AND THE ALEUTIAN ISLANDS...

Semisopochnoi Volcano 79 nm East of Kiska is currently active.

A developing 1008 mb low 330 nm south of Kiska merges with a 1002
mb low 350 nm south of Adak this afternoon, deepens to 997 mb and
moves to 65 nm south of Seguam Island at 1000 mb Sun afternoon. A
front moves into the Aleutian Islands and spread east to the 
Alaskan Peninsula through Mon afternoon. 

$$

PKZ150-151215-
South of the AK Peninsula Sitkinak to Castle Cape-
336 PM AKDT Sat Aug 14 2021

...SMALL CRAFT ADVISORY TONIGHT...

.TONIGHT...NW wind 25 kt becoming W 20 kt after midnight. Seas 7 ft.
.SUN...W wind 20 kt. Seas 6 ft.
.SUN NIGHT...W wind 20 kt. Seas 6 ft.
.MON...SW wind 25 kt. Seas 5 ft.
.MON NIGHT...S wind 25 kt. Seas 11 ft.
.TUE...SW wind 20 kt. Seas 9 ft.
.WED THROUGH THU...SW wind 15 kt. Seas 9 ft.

$$

PKZ155-151215-
South of the AK Peninsula Castle Cape to Cape Sarichef-
336 PM AKDT Sat Aug 14 2021

.TONIGHT...W wind 15 kt. Seas 6 ft.
.SUN...W wind 15 kt. Seas 6 ft.
.SUN NIGHT...SW wind 15 kt. Seas 5 ft.
.MON...SE wind 30 kt. Seas 9 ft.
.MON NIGHT...SW wind 25 kt. Seas 9 ft.
.TUE...SW wind 20 kt. Seas 9 ft.
.WED THROUGH THU...Variable wind 10 kt. Seas 7 ft.

$$

PKZ160-151215-
Bristol Bay-
336 PM AKDT Sat Aug 14 2021

.TONIGHT...W wind 20 kt. Seas 4 ft.
.SUN...W wind 20 kt. Seas 5 ft.
.SUN NIGHT...W wind 20 kt. Seas 5 ft.
.MON...S wind 15 kt. Seas 4 ft.
.MON NIGHT...E wind 20 kt. Seas 3 ft.
.TUE...E wind 15 kt. Seas 2 ft.
.WED THROUGH THU...SW wind 15 kt. Seas 2 ft.

$$

PKZ165-151215-
Port Heiden to Cape Sarichef-
336 PM AKDT Sat Aug 14 2021

.TONIGHT...W wind 20 kt. Seas 4 ft.
.SUN...SW wind 20 kt. Seas 5 ft.
.SUN NIGHT...SW wind 20 kt. Seas 5 ft.
.MON AND MON NIGHT...E wind 25 kt. Seas 5 ft.
.TUE...NW wind 20 kt. Seas 4 ft.
.WED THROUGH THU...SW wind 15 kt. Seas 3 ft.

$$

PKZ170-151215-
Cape Sarichef to Nikolski Bering Side-
336 PM AKDT Sat Aug 14 2021

...SMALL CRAFT ADVISORY SUNDAY NIGHT...

.TONIGHT...SW wind 15 kt. Seas 3 ft.
.SUN...SW wind 10 kt becoming SE 15 kt in the afternoon. Seas 3 ft.
.SUN NIGHT...SE wind 15 kt increasing to 25 kt. Seas 4 ft.
.MON...E wind 30 kt. Seas 7 ft.
.MON NIGHT...NE wind 20 kt. Seas 6 ft.
.TUE...N wind 20 kt. Seas 5 ft.
.WED THROUGH THU...W wind 15 kt. Seas 4 ft.

$$

PKZ171-151215-
Unalaska Bay-
336 PM AKDT Sat Aug 14 2021

.TONIGHT...Variable wind less than 10 kt. Seas 1 foot.
.SUN...Variable wind less than 10 kt becoming SE 10 kt in the
afternoon. Seas 2 ft.
.SUN NIGHT...SE wind 20 kt. Seas 3 ft. Rain.
.MON...E wind 30 kt. Seas 4 ft.
.MON NIGHT...Variable wind less than 10 kt. Seas 2 ft.
.TUE...NW wind 15 kt. Seas 3 ft.
.WED...Variable wind less than 10 kt. Seas 2 ft.
.THU...W wind 10 kt. Seas 2 ft.

$$

PKZ172-151215-
Cape Sarichef to Nikolski Pacific Side-
336 PM AKDT Sat Aug 14 2021

...SMALL CRAFT ADVISORY SUNDAY NIGHT...

.TONIGHT...Variable wind 10 kt. Seas 6 ft.
.SUN...S wind 15 kt. Seas 6 ft.
.SUN NIGHT...SE wind 15 kt increasing to 25 kt after midnight. Seas 
6 ft.
.MON...SE wind 30 kt. Seas 8 ft.
.MON NIGHT...S wind 20 kt. Seas 10 ft.
.TUE...NW wind 20 kt. Seas 10 ft.
.WED...Variable wind 10 kt. Seas 7 ft.
.THU...W wind 15 kt. Seas 6 ft.

$$

PKZ173-151215-
Nikolski to Seguam Island Bering Side-
336 PM AKDT Sat Aug 14 2021

...SMALL CRAFT ADVISORY SUNDAY NIGHT...

.TONIGHT...SE wind 15 kt. Seas 4 ft.
.SUN...SE wind 20 kt. Seas 5 ft.
.SUN NIGHT...SE wind 25 kt. Seas 6 ft.
.MON...E wind 30 kt. Seas 7 ft.
.MON NIGHT...NE wind 25 kt. Seas 8 ft.
.TUE...N wind 25 kt. Seas 8 ft.
.WED THROUGH THU...W wind 15 kt. Seas 5 ft.

$$

PKZ174-151215-
Nikolski to Seguam Island Pacific Side-
336 PM AKDT Sat Aug 14 2021

...SMALL CRAFT ADVISORY SUNDAY NIGHT...

.TONIGHT...SE wind 15 kt. Seas 6 ft.
.SUN...SE wind 20 kt. Seas 7 ft.
.SUN NIGHT...SE wind 20 kt becoming E 30 kt after midnight. Seas
8 ft.
.MON...SE wind 30 kt. Seas 10 ft.
.MON NIGHT...S wind 20 kt. Seas 10 ft.
.TUE...N wind 20 kt. Seas 9 ft.
.WED THROUGH THU...W wind 15 kt. Seas 6 ft.

$$

PKZ175-151215-
Seguam Island to Adak Bering Side-
336 PM AKDT Sat Aug 14 2021

...SMALL CRAFT ADVISORY SUNDAY NIGHT...

.TONIGHT...E wind 20 kt. Seas 3 ft.
.SUN...E wind 20 kt. Seas 5 ft.
.SUN NIGHT...E wind 25 kt. Seas 5 ft.
.MON...NE wind 30 kt. Seas 8 ft.
.MON NIGHT...N wind 25 kt. Seas 8 ft.
.TUE...NW wind 25 kt. Seas 7 ft.
.WED THROUGH THU...W wind 15 kt. Seas 4 ft.

$$

PKZ176-151215-
Seguam Island to Adak Pacific Side-
336 PM AKDT Sat Aug 14 2021

...SMALL CRAFT ADVISORY TONIGHT AND SUNDAY NIGHT...

.TONIGHT...E wind 25 kt. Seas 8 ft.
.SUN...SE wind 20 kt. Seas 7 ft.
.SUN NIGHT...E wind 20 kt increasing to 30 kt after midnight. Seas
5 ft building to 9 ft after midnight. Rain.
.MON AND MON NIGHT...N wind 25 kt. Seas 8 ft.
.TUE...N wind 25 kt. Seas 8 ft.
.WED...Variable wind 10 kt. Seas 5 ft.
.THU...W wind 15 kt. Seas 6 ft.

$$

PKZ177-151215-
Adak to Kiska-
336 PM AKDT Sat Aug 14 2021

...SMALL CRAFT ADVISORY TONIGHT AND SUNDAY NIGHT...

.TONIGHT...E wind 25 kt. Seas 8 ft.
.SUN...E wind 20 kt. Seas 7 ft.
.SUN NIGHT...NE wind 25 kt. Seas 6 ft.
.MON AND MON NIGHT...N wind 25 kt. Seas 8 ft.
.TUE...NW wind 20 kt. Seas 6 ft.
.WED THROUGH THU...W wind 15 kt. Seas 5 ft.

$$

PKZ178-151215-
Kiska to Attu-
336 PM AKDT Sat Aug 14 2021

...SMALL CRAFT ADVISORY THROUGH SUNDAY...

.TONIGHT...E wind 25 kt. Seas 7 ft.
.SUN...NE wind 25 kt. Seas 6 ft.
.SUN NIGHT...NE wind 20 kt. Seas 6 ft.
.MON AND MON NIGHT...NW wind 20 kt. Seas 5 ft.
.TUE...W wind 15 kt. Seas 5 ft.
.WED THROUGH THU...S wind 20 kt. Seas 5 ft.

$$

PKZ179-151215-
Pribilof Islands Near Shore Waters-
336 PM AKDT Sat Aug 14 2021

...SMALL CRAFT ADVISORY THROUGH SUNDAY...

.TONIGHT...SW wind 25 kt. Seas 6 ft.
.SUN...SW wind 25 kt. Seas 6 ft.
.SUN NIGHT...SW wind 20 kt diminishing to 10 kt after midnight. Seas
6 ft.
.MON...E wind 15 kt. Seas 5 ft.
.MON NIGHT...NE wind 15 kt. Seas 5 ft.
.TUE...NW wind 15 kt. Seas 5 ft.
.WED...SW wind 15 kt. Seas 4 ft.
.THU...NW wind 15 kt. Seas 4 ft.

$$

PKZ180-151215-
Kuskokwim Delta and Etolin Strait-
336 PM AKDT Sat Aug 14 2021

...SMALL CRAFT ADVISORY THROUGH SUNDAY NIGHT...

.TONIGHT...SW wind 25 kt. Seas 6 ft. Patchy fog.
.SUN...SW wind 25 kt. Seas 7 ft.
.SUN NIGHT...SW wind 25 kt. Seas 7 ft.
.MON...SW wind 20 kt. Seas 7 ft.
.MON NIGHT...NE wind 20 kt. Seas 4 ft.
.TUE...N wind 15 kt. Seas 4 ft.
.WED THROUGH THU...W wind 15 kt. Seas 3 ft.

$$

PKZ181-151215-
North and West of Nunivak Island-
336 PM AKDT Sat Aug 14 2021

...SMALL CRAFT ADVISORY THROUGH SUNDAY NIGHT...

.TONIGHT...SW wind 25 kt. Seas 7 ft. Patchy fog.
.SUN...SW wind 20 kt increasing to 25 kt in the afternoon. Seas 7 
ft.
.SUN NIGHT...SW wind 25 kt. Seas 8 ft.
.MON...W wind 25 kt. Seas 7 ft.
.MON NIGHT...NE wind 15 kt. Seas 5 ft.
.TUE...N wind 15 kt. Seas 5 ft.
.WED...SE wind 20 kt. Seas 5 ft.
.THU...N wind 20 kt. Seas 5 ft.

$$

PKZ185-151215-
Saint Matthew Island Waters-
336 PM AKDT Sat Aug 14 2021

...SMALL CRAFT ADVISORY THROUGH SUNDAY NIGHT...

.TONIGHT...W wind 25 kt. Seas 7 ft.
.SUN...SW wind 25 kt. Seas 9 ft.
.SUN NIGHT...W wind 25 kt. Seas 8 ft.
.MON...NE wind 20 kt. Seas 7 ft.
.MON NIGHT...E wind 15 kt. Seas 5 ft.
.TUE...SE wind 20 kt. Seas 4 ft.
.WED...N wind 20 kt. Seas 6 ft.
.THU...NW wind 20 kt. Seas 5 ft.

$$
058 
FZAK52 PAFC 151204
CWFALU

Coastal Waters Forecast
National Weather Service Anchorage Alaska
404 AM AKDT Sun Aug 15 2021

Coastal Waters Forecast for Southwest Alaska+Bristol Bay+The
Alaska Peninsula Waters and the Aleutian Islands up to 100 nm out.

Wind forecasts reflect the predominant speed and direction
expected. Sea forecasts represent an average of the highest
one-third of the combined wind wave and swell height.

PKZ199-160045-
404 AM AKDT Sun Aug 15 2021
.SYNOPSIS FOR SOUTHWEST ALASKA+BRISTOL BAY+THE ALASKA
PENINSULA WATERS AND THE ALEUTIAN ISLANDS...

Semisopochnoi Volcano 79 nm East of Kiska is currently active.

A 998 mb North Pacific low 270 nm south of Adak tonight will move
to 140 nm south of Nikolski Tue morning. Its associated front 
will move into the Aleutian Islands and spread east to the Alaskan
Peninsula through Mon afternoon. 

$$

PKZ150-160045-
South of the AK Peninsula Sitkinak to Castle Cape-
404 AM AKDT Sun Aug 15 2021

...SMALL CRAFT ADVISORY MONDAY...

.TODAY...W wind 20 kt. Seas 6 ft.
.TONIGHT...W wind 20 kt. Seas 6 ft.
.MON...SW wind 15 kt becoming S 30 kt in the afternoon. Seas 6 ft.
Rain.
.MON NIGHT...S wind 30 kt. Seas 9 ft.
.TUE...SW wind 20 kt. Seas 9 ft.
.WED THROUGH THU...SW wind 15 kt. Seas 8 ft.

$$

PKZ155-160045-
South of the AK Peninsula Castle Cape to Cape Sarichef-
404 AM AKDT Sun Aug 15 2021

...SMALL CRAFT ADVISORY MONDAY...

.TODAY...W wind 15 kt. Seas 6 ft.
.TONIGHT...S wind 20 kt. Seas 5 ft.
.MON...SE wind 25 kt. Seas 8 ft. Rain.
.MON NIGHT...S wind 25 kt. Seas 9 ft.
.TUE...S wind 20 kt. Seas 8 ft.
.WED...S wind 15 kt. Seas 7 ft.
.THU...SW wind 15 kt. Seas 7 ft.

$$

PKZ160-160045-
Bristol Bay-
404 AM AKDT Sun Aug 15 2021

.TODAY...W wind 20 kt. Seas 5 ft.
.TONIGHT...W wind 20 kt. Seas 5 ft.
.MON...SW wind 10 kt becoming SE in the afternoon. Seas 3 ft.
.MON NIGHT...E wind 15 kt. Seas 3 ft.
.TUE...W wind 15 kt. Seas 2 ft.
.WED...SW wind 10 kt. Seas 2 ft.
.THU...SW wind 15 kt. Seas 3 ft.

$$

PKZ165-160045-
Port Heiden to Cape Sarichef-
404 AM AKDT Sun Aug 15 2021

.TODAY...SW wind 20 kt. Seas 5 ft.
.TONIGHT...SW wind 15 kt. Seas 5 ft.
.MON...SE wind 20 kt. Seas 5 ft.
.MON NIGHT...E wind 20 kt. Seas 4 ft.
.TUE...Variable wind 10 kt. Seas 3 ft.
.WED...NE wind 15 kt. Seas 2 ft.
.THU...SW wind 20 kt. Seas 4 ft.

$$

PKZ170-160045-
Cape Sarichef to Nikolski Bering Side-
404 AM AKDT Sun Aug 15 2021

...SMALL CRAFT ADVISORY TONIGHT AND MONDAY...

.TODAY...SE wind 15 kt. Seas 3 ft.
.TONIGHT...SE wind 25 kt. Seas 5 ft.
.MON...E wind 25 kt. Seas 6 ft. Rain.
.MON NIGHT...E wind 20 kt. Seas 5 ft.
.TUE...N wind 15 kt. Seas 4 ft.
.WED...NW wind 15 kt. Seas 3 ft.
.THU...W wind 15 kt. Seas 4 ft.

$$

PKZ171-160045-
Unalaska Bay-
404 AM AKDT Sun Aug 15 2021

...SMALL CRAFT ADVISORY MONDAY...

.TODAY...Variable wind less than 10 kt becoming SE 15 kt in the
afternoon. Seas 2 ft.
.TONIGHT...SE wind 20 kt. Seas 3 ft. Rain.
.MON...E wind 25 kt. Seas 3 ft. Rain.
.MON NIGHT...SE wind 10 kt. Seas 2 ft.
.TUE...N wind 10 kt. Seas 3 ft.
.WED...W wind 10 kt. Seas 2 ft.
.THU...SW wind 10 kt. Seas 3 ft.

$$

PKZ172-160045-
Cape Sarichef to Nikolski Pacific Side-
404 AM AKDT Sun Aug 15 2021

...SMALL CRAFT ADVISORY MONDAY...

.TODAY...SE wind 20 kt. Seas 6 ft.
.TONIGHT...SE wind 20 kt. Seas 6 ft.
.MON...E wind 25 kt. Seas 8 ft. Rain.
.MON NIGHT...S wind 20 kt. Seas 9 ft.
.TUE...NE wind 15 kt. Seas 9 ft.
.WED...NW wind 15 kt. Seas 6 ft.
.THU...W wind 15 kt. Seas 6 ft.

$$

PKZ173-160045-
Nikolski to Seguam Island Bering Side-
404 AM AKDT Sun Aug 15 2021

...SMALL CRAFT ADVISORY TONIGHT AND MONDAY...

.TODAY...SE wind 20 kt. Seas 5 ft.
.TONIGHT...E wind 25 kt. Seas 5 ft.
.MON...E wind 25 kt. Seas 6 ft. Rain.
.MON NIGHT...NE wind 20 kt. Seas 7 ft.
.TUE...N wind 20 kt. Seas 7 ft.
.WED THROUGH THU...W wind 15 kt. Seas 4 ft.

$$

PKZ174-160045-
Nikolski to Seguam Island Pacific Side-
404 AM AKDT Sun Aug 15 2021

...SMALL CRAFT ADVISORY TONIGHT AND MONDAY...

.TODAY...SE wind 20 kt. Seas 7 ft.
.TONIGHT...E wind 25 kt. Seas 7 ft. Rain.
.MON...SE wind 25 kt. Seas 9 ft.
.MON NIGHT...E wind 20 kt. Seas 10 ft.
.TUE...N wind 20 kt. Seas 9 ft.
.WED THROUGH THU...W wind 15 kt. Seas 6 ft.

$$

PKZ175-160045-
Seguam Island to Adak Bering Side-
404 AM AKDT Sun Aug 15 2021

...SMALL CRAFT ADVISORY TONIGHT AND MONDAY...

.TODAY...E wind 20 kt. Seas 5 ft.
.TONIGHT...E wind 15 kt increasing to 25 kt after midnight. Seas
6 ft.
.MON...NE wind 30 kt. Seas 7 ft.
.MON NIGHT...N wind 25 kt. Seas 7 ft.
.TUE...N wind 20 kt. Seas 5 ft.
.WED THROUGH THU...W wind 15 kt. Seas 4 ft.

$$

PKZ176-160045-
Seguam Island to Adak Pacific Side-
404 AM AKDT Sun Aug 15 2021

...SMALL CRAFT ADVISORY TONIGHT AND MONDAY...

.TODAY...SE wind 20 kt. Seas 7 ft.
.TONIGHT...E wind 25 kt. Seas 7 ft. Rain.
.MON...NE wind 25 kt. Seas 9 ft.
.MON NIGHT...N wind 25 kt. Seas 9 ft.
.TUE...N wind 20 kt. Seas 7 ft.
.WED THROUGH THU...W wind 15 kt. Seas 6 ft.

$$

PKZ177-160045-
Adak to Kiska-
404 AM AKDT Sun Aug 15 2021

...SMALL CRAFT ADVISORY TONIGHT AND MONDAY...

.TODAY...E wind 20 kt. Seas 6 ft.
.TONIGHT...NE wind 25 kt. Seas 6 ft.
.MON...N wind 30 kt. Seas 7 ft.
.MON NIGHT...N wind 25 kt. Seas 7 ft.
.TUE...NW wind 20 kt. Seas 5 ft.
.WED THROUGH THU...W wind 15 kt. Seas 5 ft.

$$

PKZ178-160045-
Kiska to Attu-
404 AM AKDT Sun Aug 15 2021

...SMALL CRAFT ADVISORY THROUGH MONDAY...

.TODAY...NE wind 25 kt. Seas 6 ft.
.TONIGHT...NE wind 25 kt. Seas 6 ft.
.MON...N wind 25 kt. Seas 5 ft.
.MON NIGHT...NW wind 15 kt. Seas 4 ft.
.TUE THROUGH WED...SW wind 15 kt. Seas 5 ft.
.THU...S wind 20 kt. Seas 5 ft.

$$

PKZ179-160045-
Pribilof Islands Near Shore Waters-
404 AM AKDT Sun Aug 15 2021

...SMALL CRAFT ADVISORY TODAY...

.TODAY...SW wind 25 kt. Seas 6 ft.
.TONIGHT...SW wind 20 kt. Seas 6 ft.
.MON...SE wind 15 kt. Seas 5 ft.
.MON NIGHT...NE wind 15 kt. Seas 5 ft.
.TUE...Variable wind 10 kt. Seas 4 ft.
.WED...SW wind 15 kt. Seas 4 ft.
.THU...NW wind 15 kt. Seas 5 ft.

$$

PKZ180-160045-
Kuskokwim Delta and Etolin Strait-
404 AM AKDT Sun Aug 15 2021

...SMALL CRAFT ADVISORY THROUGH TONIGHT...

.TODAY...SW wind 25 kt. Seas 7 ft.
.TONIGHT...SW wind 25 kt. Seas 7 ft.
.MON...SW wind 20 kt. Seas 6 ft.
.MON NIGHT...N wind 15 kt. Seas 4 ft.
.TUE...N wind 15 kt. Seas 3 ft.
.WED...S wind 15 kt. Seas 3 ft.
.THU...W wind 20 kt. Seas 4 ft.

$$

PKZ181-160045-
North and West of Nunivak Island-
404 AM AKDT Sun Aug 15 2021

...SMALL CRAFT ADVISORY THROUGH MONDAY...

.TODAY...SW wind 25 kt. Seas 7 ft.
.TONIGHT...SW wind 25 kt. Seas 8 ft.
.MON...SW wind 25 kt. Seas 7 ft.
.MON NIGHT...N wind 20 kt. Seas 5 ft.
.TUE...NE wind 15 kt. Seas 5 ft.
.WED...SE wind 15 kt. Seas 3 ft.
.THU...NW wind 20 kt. Seas 4 ft.

$$

PKZ185-160045-
Saint Matthew Island Waters-
404 AM AKDT Sun Aug 15 2021

...SMALL CRAFT ADVISORY THROUGH TONIGHT...

.TODAY...SW wind 25 kt. Seas 8 ft.
.TONIGHT...SW wind 25 kt. Seas 8 ft.
.MON...NW wind 20 kt. Seas 6 ft.
.MON NIGHT...E wind 15 kt. Seas 5 ft.
.TUE...SE wind 25 kt. Seas 5 ft.
.WED...NW wind 25 kt. Seas 7 ft.
.THU...W wind 20 kt. Seas 6 ft.

$$
637 
FZAK52 PAFC 152231
CWFALU

Coastal Waters Forecast
National Weather Service Anchorage Alaska
231 PM AKDT Sun Aug 15 2021

Coastal Waters Forecast for Southwest Alaska+Bristol Bay+The
Alaska Peninsula Waters and the Aleutian Islands up to 100 nm out.

Wind forecasts reflect the predominant speed and direction
expected. Sea forecasts represent an average of the highest
one-third of the combined wind wave and swell height.

PKZ199-161130-
231 PM AKDT Sun Aug 15 2021
.SYNOPSIS FOR SOUTHWEST ALASKA+BRISTOL BAY+THE ALASKA
PENINSULA WATERS AND THE ALEUTIAN ISLANDS...

A 999 mb low 330 nm south of Adak strengthens to 995 mb 85 nm 
south of Seguam Island Mon morning. The low shifts to 50 nm east of 
Chignik and weakens to 1005 mb Tues afternoon. Its front crosses the 
Aleutian Islands and spreads into Bristol Bay through Tues 
afternoon. A series of weak lows cross the northern Bering through 
Tues afternoon.

$$

PKZ150-161130-
South of the AK Peninsula Sitkinak to Castle Cape-
231 PM AKDT Sun Aug 15 2021

...SMALL CRAFT ADVISORY MONDAY AND MONDAY NIGHT...

.TONIGHT...W wind 20 kt. Seas 6 ft.
.MON...SW wind 20 kt becoming S 30 kt in the afternoon. Seas 8 ft.
Rain.
.MON NIGHT...S wind 30 kt becoming W 25 kt after midnight. Seas 11 
ft.
.TUE...W wind 25 kt. Seas 9 ft.
.TUE NIGHT...W wind 15 kt. Seas 8 ft.
.WED THROUGH FRI...W wind 15 kt. Seas 7 ft.

$$

PKZ155-161130-
South of the AK Peninsula Castle Cape to Cape Sarichef-
231 PM AKDT Sun Aug 15 2021

...SMALL CRAFT ADVISORY MONDAY AND MONDAY NIGHT...

.TONIGHT...W wind 15 kt becoming S 20 kt after midnight. Seas 5 ft.
.MON...SE wind 30 kt. Seas 9 ft. Rain.
.MON NIGHT...SW wind 25 kt. Seas 9 ft.
.TUE...SW wind 20 kt. Seas 9 ft.
.TUE NIGHT...Variable wind 10 kt. Seas 9 ft.
.WED THROUGH THU...SW wind 15 kt. Seas 7 ft.
.FRI...NW wind 15 kt. Seas 5 ft.

$$

PKZ160-161130-
Bristol Bay-
231 PM AKDT Sun Aug 15 2021

.TONIGHT...W wind 20 kt. Seas 4 ft.
.MON...SW wind 10 kt becoming SE in the afternoon. Seas 3 ft.
.MON NIGHT...E wind 15 kt becoming NE after midnight. Seas 3 ft.
.TUE...N wind 10 kt. Seas 2 ft.
.TUE NIGHT...W wind 15 kt. Seas 2 ft.
.WED...SW wind 10 kt. Seas 2 ft.
.THU...SW wind 15 kt. Seas 3 ft.
.FRI...NW wind 15 kt. Seas 3 ft.

$$

PKZ165-161130-
Port Heiden to Cape Sarichef-
231 PM AKDT Sun Aug 15 2021

...SMALL CRAFT ADVISORY MONDAY...

.TONIGHT...W wind 15 kt becoming S 20 kt after midnight. Seas 5 ft.
.MON...SE wind 25 kt. Seas 5 ft. Rain.
.MON NIGHT...E wind 15 kt. Seas 4 ft.
.TUE AND TUE NIGHT...Variable wind 10 kt. Seas 3 ft.
.WED...SW wind 15 kt. Seas 2 ft.
.THU...SW wind 20 kt. Seas 4 ft.
.FRI...NW wind 15 kt. Seas 4 ft.

$$

PKZ170-161130-
Cape Sarichef to Nikolski Bering Side-
231 PM AKDT Sun Aug 15 2021

...SMALL CRAFT ADVISORY THROUGH MONDAY...

.TONIGHT...SE wind 25 kt. Seas 5 ft.
.MON...SE wind 30 kt. Seas 6 ft. Rain.
.MON NIGHT...E wind 15 kt. Seas 5 ft.
.TUE...N wind 15 kt. Seas 5 ft.
.TUE NIGHT...Variable wind 10 kt. Seas 3 ft.
.WED THROUGH THU...W wind 15 kt. Seas 4 ft.
.FRI...N wind 15 kt. Seas 4 ft.

$$

PKZ171-161130-
Unalaska Bay-
231 PM AKDT Sun Aug 15 2021

...SMALL CRAFT ADVISORY MONDAY...

.TONIGHT...SE wind 20 kt. Seas 3 ft. Rain.
.MON...SE wind 25 kt. Seas 3 ft. Rain.
.MON NIGHT...Variable wind less than 10 kt. Seas 2 ft. Rain.
.TUE AND TUE NIGHT...N wind 10 kt. Seas 2 ft.
.WED...N wind 10 kt. Seas 2 ft.
.THU...SW wind 10 kt. Seas 3 ft.
.FRI...N wind 10 kt. Seas 3 ft.

$$

PKZ172-161130-
Cape Sarichef to Nikolski Pacific Side-
231 PM AKDT Sun Aug 15 2021

...SMALL CRAFT ADVISORY THROUGH MONDAY NIGHT...

.TONIGHT...SE wind 25 kt. Seas 7 ft. Rain.
.MON...SE wind 25 kt becoming S in the afternoon. Seas 9 ft.
.MON NIGHT...S wind 20 kt. Seas 10 ft.
.TUE...NW wind 15 kt. Seas 10 ft.
.TUE NIGHT...Variable wind 10 kt. Seas 8 ft.
.WED...NW wind 15 kt. Seas 6 ft.
.THU...W wind 15 kt. Seas 6 ft.
.FRI...Variable wind 10 kt. Seas 5 ft.

$$

PKZ173-161130-
Nikolski to Seguam Island Bering Side-
231 PM AKDT Sun Aug 15 2021

...SMALL CRAFT ADVISORY THROUGH MONDAY NIGHT...

.TONIGHT...SE wind 25 kt. Seas 6 ft. Rain.
.MON...E wind 25 kt. Seas 7 ft. Rain.
.MON NIGHT...NE wind 20 kt. Seas 8 ft.
.TUE...N wind 15 kt. Seas 7 ft.
.TUE NIGHT...Variable wind 10 kt. Seas 5 ft.
.WED THROUGH THU...W wind 15 kt. Seas 4 ft.
.FRI...Variable wind 10 kt. Seas 4 ft.

$$

PKZ174-161130-
Nikolski to Seguam Island Pacific Side-
231 PM AKDT Sun Aug 15 2021

...SMALL CRAFT ADVISORY THROUGH MONDAY NIGHT...

.TONIGHT...SE wind 20 kt in the evening becoming E 25 kt. Seas 8 ft.
Rain.
.MON...SE wind 25 kt becoming S in the afternoon. Seas 11 ft.
.MON NIGHT...S wind 20 kt in the evening becoming variable 10 kt.
Seas 11 ft.
.TUE...N wind 15 kt. Seas 9 ft.
.TUE NIGHT...Variable wind 10 kt. Seas 6 ft.
.WED...N wind 15 kt. Seas 6 ft.
.THU...W wind 15 kt. Seas 6 ft.
.FRI...NW wind 15 kt. Seas 5 ft.

$$

PKZ175-161130-
Seguam Island to Adak Bering Side-
231 PM AKDT Sun Aug 15 2021

...SMALL CRAFT ADVISORY MONDAY AND MONDAY NIGHT...

.TONIGHT...E wind 20 kt. Seas 5 ft.
.MON...NE wind 25 kt. Seas 7 ft.
.MON NIGHT...N wind 25 kt. Seas 8 ft.
.TUE...N wind 15 kt. Seas 6 ft.
.TUE NIGHT...Variable wind 10 kt. Seas 3 ft.
.WED THROUGH THU...W wind 15 kt. Seas 4 ft.
.FRI...SW wind 15 kt. Seas 4 ft.

$$

PKZ176-161130-
Seguam Island to Adak Pacific Side-
231 PM AKDT Sun Aug 15 2021

...SMALL CRAFT ADVISORY THROUGH MONDAY NIGHT...

.TONIGHT...SE wind 15 kt becoming NE 25 kt after midnight. Seas 7 
ft. Rain.
.MON...NE wind 25 kt. Seas 10 ft.
.MON NIGHT...NW wind 25 kt. Seas 10 ft.
.TUE...N wind 20 kt. Seas 7 ft.
.TUE NIGHT...Variable wind 10 kt. Seas 6 ft.
.WED THROUGH FRI...W wind 15 kt. Seas 6 ft.

$$

PKZ177-161130-
Adak to Kiska-
231 PM AKDT Sun Aug 15 2021

...SMALL CRAFT ADVISORY THROUGH MONDAY NIGHT...

.TONIGHT...NE wind 25 kt. Seas 6 ft.
.MON...N wind 30 kt. Seas 7 ft.
.MON NIGHT...N wind 25 kt. Seas 7 ft.
.TUE AND TUE NIGHT...W wind 15 kt. Seas 5 ft.
.WED THROUGH THU...W wind 15 kt. Seas 5 ft.
.FRI...SW wind 20 kt. Seas 5 ft.

$$

PKZ178-161130-
Kiska to Attu-
231 PM AKDT Sun Aug 15 2021

...SMALL CRAFT ADVISORY TONIGHT...

.TONIGHT...N wind 25 kt. Seas 6 ft.
.MON...NW wind 20 kt. Seas 5 ft.
.MON NIGHT...NW wind 15 kt. Seas 4 ft.
.TUE...W wind 15 kt. Seas 5 ft.
.TUE NIGHT...W wind 20 kt. Seas 5 ft.
.WED...SW wind 15 kt. Seas 5 ft.
.THU THROUGH FRI...S wind 20 kt. Seas 6 ft.

$$

PKZ179-161130-
Pribilof Islands Near Shore Waters-
231 PM AKDT Sun Aug 15 2021

.TONIGHT...SW wind 20 kt becoming S 15 kt after midnight. Seas 6 ft.
.MON...E wind 15 kt. Seas 5 ft.
.MON NIGHT...NE wind 10 kt. Seas 4 ft.
.TUE...Variable wind 10 kt. Seas 5 ft.
.TUE NIGHT...SW wind 15 kt. Seas 4 ft.
.WED...SW wind 20 kt. Seas 4 ft.
.THU...NW wind 15 kt. Seas 5 ft.
.FRI...Variable wind 10 kt. Seas 4 ft.

$$

PKZ180-161130-
Kuskokwim Delta and Etolin Strait-
231 PM AKDT Sun Aug 15 2021

...SMALL CRAFT ADVISORY TONIGHT...

.TONIGHT...SW wind 25 kt. Seas 7 ft.
.MON...S wind 20 kt. Seas 6 ft.
.MON NIGHT...SE wind 15 kt becoming NE after midnight. Seas 4 ft.
.TUE...NW wind 10 kt. Seas 3 ft.
.TUE NIGHT...W wind 10 kt. Seas 2 ft.
.WED...SW wind 25 kt. Seas 4 ft.
.THU...W wind 20 kt. Seas 4 ft.
.FRI...NW wind 15 kt. Seas 4 ft.

$$

PKZ181-161130-
North and West of Nunivak Island-
231 PM AKDT Sun Aug 15 2021

...SMALL CRAFT ADVISORY THROUGH MONDAY...

.TONIGHT...SW wind 25 kt. Seas 8 ft.
.MON...SW wind 25 kt diminishing to 15 kt in the afternoon. Seas 7 
ft.
.MON NIGHT...SW wind 15 kt in the evening becoming NW. Seas 4 ft.
.TUE...NE wind 15 kt. Seas 4 ft.
.TUE NIGHT...E wind 15 kt. Seas 3 ft.
.WED...S wind 25 kt. Seas 7 ft.
.THU THROUGH FRI...W wind 20 kt. Seas 4 ft.

$$

PKZ185-161130-
Saint Matthew Island Waters-
231 PM AKDT Sun Aug 15 2021

...SMALL CRAFT ADVISORY TONIGHT...

.TONIGHT...SW wind 25 kt. Seas 8 ft.
.MON...E of St Matthew island, SW wind 20 kt. W of St Matthew Island,
N wind 15 kt. Seas 6 ft.
.MON NIGHT...NE wind 15 kt. Seas 5 ft.
.TUE...E wind 20 kt. Seas 4 ft.
.TUE NIGHT...S wind 25 kt. Seas 6 ft.
.WED...NW wind 25 kt. Seas 8 ft.
.THU...W wind 20 kt. Seas 6 ft.
.FRI...S wind 20 kt. Seas 5 ft.

$$

What forecasters said that day

The local office's own words before this small craft advisory went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Anchorage, AK wrote its last area forecast discussion before this small craft advisory went out at Aug 12, 5:33 AM AKDT, 10 hours 13 minutes earlier.

Area forecast discussion, Aug 12, 5:33 AM AKDT, 10 hours 13 minutes before
Southcentral and Southwest Alaska Forecast Discussion
National Weather Service Anchorage AK
533 AM AKDT Thu Aug 12 2021

.ANALYSIS AND UPPER LEVELS...

A persistent amplified pattern remains in place with an elongated
longwave trough and vertically stacked cold low over the Beaufort
Sea with the trough axis extending from the Arctic Ocean to the
North Pacific. At the base of the trough, a series of upper level
waves embedded in the southwest flow aloft is ejecting across the
Bering and into the Alaska mainland. The jet stream extends from
the western Pacific to the south of the Aleutian Chain into the
Gulf of Alaska, with a 100+ kt cyclonically curved jet streak in
the left exit region. Meanwhile, a ridge of high pressure aloft
extends from the Pacific Northwest to the southeastern Gulf. Based
on the CIMSS MIMIC imagery, a steady stream of tropical moisture
or atmospheric river of 1-2" of precipitable water extends
northeastward to southern Alaska. This Fall-like weather regime
has contributed to a very active storm track across the Pacific
and into the Gulf with appreciable amount of rainfall over
Southcentral this past week. This is also demonstrated on the 12Z
Anchorage upper air sounding with a moist profile and total PW
value of 0.92," with variable to low-level southeasterly winds and
increasing, southwesterly winds aloft.

A surface low and associated frontal boundary is moving north of
Cook Inlet, bringing steady rain from the western Kenai Peninsula
into Anchorage Bowl and the Mat-Su Valleys, and moderate to heavy
rain in eastern Prince William Sound. Out west, an upper level
wave coupled with a moist boundary layer is providing some rain
showers across the Y-K Delta, Bristol Bay, and the Lower Kuskokwim
Valley. The latest ASCAT passes shows small craft advisory level
winds over the marine areas in the central Gulf. The Nighttime
Microphysics (RGB) this morning shows areas of marine stratus from
the Bering to the Southwest as well as Southcentral coast, and a
mix clouds over the Copper River Basin.

&&

.MODEL DISCUSSION...

The latest models are in consolidated agreement with the synoptic
scale features and on track for an active and wet pattern in the
short term. As the trough axis moves in the Alaska mainland, the
bulk of moisture and precipitation associated with the atmospheric
river will be concentrated over eastern Prince William Sound, the
Copper River Basin, and Southeast Alaska over the next couple of
days. The 06Z solutions are also keying on a North Pacific low
moving towards the western Aleutians late this weekend, but
deviate on the exact track and position. Subsequent model runs
will be needed for better consistency as this will be worth
monitoring for any potential impacts with regards to rain and wind
along the Aleutian Chain.

&&

.AVIATION...
PANC... Rain with northerly winds will continue this morning with
ceiling and visibility potentially reducing to MVFR at times.
Rain will taper off this evening with improved VFR conditions and
winds coming out of the south.

&&

.SHORT TERM FORECAST SOUTHCENTRAL ALASKA (Days 1 and 2)...

The overall pattern looks a lot like two days ago with the upper
level trough over the eastern Bering Sea and a front pushing large
amounts of moisture onshore from Cordova eastward. The jet stream
can be see in conjunction with the front running from around 40N
into the north Gulf coast between Cordova and Yakutat.
Accordingly, this is the area where the heaviest rainfall is
occurring this morning and it will edge eastward over the course
of the day.

The Cook Inlet and Mat-Su corridor is west of the front but the
moisture east of the upper level trough is bringing in the
rainfall today. This rainfall will be slow to move out as the
trough is moving eastward, but not moving very fast. Flow aloft
is from the Southwest in this pattern and the rain will also end
from southwest to northeast. Kodiak is already out of the
precipitation and Homer is soon to follow. As one heads
northward, the rain will persist longer with Talkeetna expected to
see rain though most of the night Thursday night.

There may be some clearing for the southern Kenai Peninsula
Friday, but the areas to the north really will not be able to
clear out much until the upper level trough starts to move through
the area on Friday night. Until then the mountains will continue
to see showers though by Friday the lower elevations of the Kenai
Peninsula through Mat-Su valleys (including Anchorage) will
probably not see too many showers.

Ridging moves into the area behind the trough on Saturday and
Sunday will be days where there should be a reprieve from the
clouds and rain that have been over the area most of the week.

&&

.SHORT TERM FORECAST SOUTHWEST ALASKA (Days 1 and 2)...

A progressive pattern is on tap. This morning, the jet was south
of the Alaska Peninsula and there is a closed low at 500 mb north
of the Brooks Range with the trough axis extending over Nunivak
Island and Kipnuk. Expect the trough to dig deeper today and
Friday...impacting Toksook Bay to Bethel and Bristol Bay. The
pattern looks showery with a pool of cold air filtering into the
Southwest. Portions of SW AK will dip below or near freezing
Friday and Saturday morning. Saturday, a transient ridge will
glide across the region and afternoon temperatures will rebound
20-30 degrees. Then another round of shortwaves will drop south
of the Bering Strait.

&&

.SHORT TERM FORECAST BERING SEA/ALEUTIANS (Days 1 and 2)...

The longwave pattern features a broad trough from the
Beaufort Sea to the Bering and North Pacific. The jet core is
southwest of Attu Island. There is a closed low north of the
Brooks Range that is kicking out shortwaves towards the Bering and
Western Alaska. There is tropical moisture getting entrained into
the northern stream. This forecast period expect the longwave
trough to deepen and the jet will stay south of the Aleutian
chain. A surface low with a frontal boundary will move into the
Central Aleutians Saturday bringing small craft winds. However, its
a pretty mild pattern for the Bering. Expect intermittent showers.

&&

.MARINE (Days 3 through 5: Saturday through Monday)...

The marine forecast will be relatively quiet except for a few
areas experiencing small craft thresholds over the western Gulf
and north of Nunivak Island between Saturday and Sunday. A North
Pacific low could bring small craft conditions across the Aleutian
Chain and Bering Sea between Saturday and Monday, with seas up to
7 to 9 ft accompanying this system. Low clouds and stratus will
persist as the ridge of high pressure remains over the Bering
through Monday.

&&

.LONG TERM FORECAST (Days 3 through 7: Sunday through
Wednesday)...

Model solutions now favors light rainfall for the weekend and
Monday as the dome of high pressure from the Bering shifts from
west to east across Southwest through Southcentral and the Gulf
into Monday morning. Tropical moisture from a North Pacific low
following behind the ridge axis could bring light to moderate
showers over the eastern Aleutians and mainly light rain through
AKPEN and Bristol Bay starting Sunday afternoon through Monday
afternoon. On Tuesday, an upper level trough drapes below the YK-
Delta and Southwest Coast brining light rain across Southwest and
Southcentral through Wednesday afternoon.

Farther west, an upper low from the North Pacific moves closer to
the western Aleutians on Sunday, which could be the next main
weather producer for the midweek. Unfortunately, models start
losing their handle on this next system at the same time these
solutions hints for more rain and stronger winds. Clearly, there's
a lot of uncertainty here, so will take another closer look at
future models on where this next system will end up.

&&

.AFC WATCHES/WARNINGS/ADVISORIES...
PUBLIC...NONE.
MARINE...NONE.
FIRE WEATHER...NONE.

&&

SYNOPSIS AND MODEL DISCUSSION...MF
SOUTHCENTRAL ALASKA...EZ
SOUTHWEST ALASKA/BERING SEA/ALEUTIANS...PJS
MARINE/LONG TERM...CB

The office that day

Everything else NWS Anchorage, AK issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Aug 12, 3:31 AM AKDTSmall Craft AdvisoryAFC48 hr
Aug 12, 3:38 AM AKDTSmall Craft AdvisoryAFC4 days

Nearby

Small Craft Advisories in Alaska, 2021Every small craft advisory in 2021

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text.