Alert archive / Alaska / Small Craft Advisories in 2021

Small Craft Advisory 736, NWS Anchorage, AK

September 18, 2021

NWS Anchorage, AK issued this small craft advisory at Sep 18, 2021, 4:04 PM AKDT. It was in force for 36 hr.

The area

The counties it named.

The facts

Issued: Sep 18, 2021, 4:04 PM AKDT (00:04 UTC)
Expired: Sep 20, 2021, 3:36 AM AKDT
In force: 36 hr
Issued by: NWS Anchorage, AK

The text

As transmitted.

397 
FZAK52 PAFC 190004
CWFALU

Coastal Waters Forecast
National Weather Service Anchorage Alaska
404 PM AKDT Sat Sep 18 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.

PKZ199-191315-
404 PM AKDT Sat Sep 18 2021
.SYNOPSIS FOR SOUTHWEST ALASKA+BRISTOL BAY+THE ALASKA
PENINSULA WATERS AND THE ALEUTIAN ISLANDS...

A 987 mb low 150 nm southwest of Nikolski moves to 190 nm
southeast of Chignik at 990 mb Sun afternoon and then exits into the
western Gulf Mon morning. Its front crosses the Eastern Aleutians 
through Sun morning. High pressure moves across the western and 
central Bering and Aleutians through Mon afternoon.

$$

PKZ150-191315-
South of the AK Peninsula Sitkinak to Castle Cape-
404 PM AKDT Sat Sep 18 2021

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

.TONIGHT...NE wind 15 kt becoming E 25 kt after midnight. Seas 5
ft building to 8 ft toward morning.
.SUN...NE wind 30 kt. Seas 8 ft building to 11 ft in the
afternoon. Rain.
.SUN NIGHT...NE wind 30 kt. Seas 12 ft.
.MON...NW wind 30 kt. Seas 11 ft.
.MON NIGHT...NW wind 35 kt. Seas 11 ft.
.TUE...NW wind 30 kt. Seas 9 ft.
.WED...NE wind 25 kt. Seas 7 ft.
.THU...NW wind 25 kt. Seas 11 ft.

$$

PKZ155-191315-
South of the AK Peninsula Castle Cape to Cape Sarichef-
404 PM AKDT Sat Sep 18 2021

...GALE WARNING THROUGH TOMORROW...

.TONIGHT...E wind 35 kt except E 30 kt from the Shumagin Islands
E. Seas 11 ft. Rain.
.SUN...NE wind 35 kt. Seas 14 ft. Rain.
.SUN NIGHT...N wind 30 kt. Seas 13 ft.
.MON AND MON NIGHT...N wind 25 kt. Seas 10 ft.
.TUE...E wind 25 kt. Seas 5 ft.
.WED...NE wind 30 kt. Seas 13 ft.
.THU...N wind 25 kt. Seas 13 ft.

$$

PKZ160-191315-
Bristol Bay-
404 PM AKDT Sat Sep 18 2021

...SMALL CRAFT ADVISORY SUNDAY NIGHT...

.TONIGHT...NE wind 20 kt. Seas 5 ft.
.SUN...NE wind 20 kt. Seas 5 ft.
.SUN NIGHT...N wind 25 kt. Seas 6 ft.
.MON AND MON NIGHT...N wind 25 kt. Seas 6 ft.
.TUE...NE wind 20 kt. Seas 5 ft.
.WED...NE wind 25 kt. Seas 6 ft.
.THU...NW wind 25 kt. Seas 6 ft.

$$

PKZ165-191315-
Port Heiden to Cape Sarichef-
404 PM AKDT Sat Sep 18 2021

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

.TONIGHT...NE wind 25 kt. Seas 8 ft.
.SUN...NE wind 25 kt. Seas 8 ft.
.SUN NIGHT...N wind 25 kt. Seas 7 ft.
.MON...N wind 25 kt. Seas 7 ft.
.MON NIGHT...N wind 20 kt. Seas 7 ft.
.TUE THROUGH WED...NE wind 30 kt. Seas 11 ft.
.THU...N wind 20 kt. Seas 7 ft.

$$

PKZ170-191315-
Cape Sarichef to Nikolski Bering Side-
404 PM AKDT Sat Sep 18 2021

...GALE WARNING TONIGHT...

.TONIGHT...NE wind 35 kt. Seas 11 ft. Rain.
.SUN...N wind 30 kt. Seas 10 ft.
.SUN NIGHT...N wind 25 kt. Seas 8 ft.
.MON...N wind 15 kt. Seas 6 ft.
.MON NIGHT...NE wind 15 kt. Seas 5 ft.
.TUE THROUGH WED...NE wind 35 kt. Seas 11 ft.
.THU...NE wind 25 kt. Seas 9 ft.

$$

PKZ171-191315-
Unalaska Bay-
404 PM AKDT Sat Sep 18 2021

...GALE WARNING TONIGHT...

.TONIGHT...E wind 35 kt. Gusts to 50 kt during the evening. Seas 6 
ft. Rain.
.SUN...N wind 25 kt. Seas 9 ft.
.SUN NIGHT...N wind 25 kt. Seas 8 ft.
.MON...NW wind 20 kt. Seas 5 ft.
.MON NIGHT...NE wind 10 kt. Seas 3 ft.
.TUE...E wind 25 kt. Seas 4 ft.
.WED...NE wind 30 kt. Seas 5 ft.
.THU...NE wind 15 kt. Seas 5 ft.

$$

PKZ172-191315-
Cape Sarichef to Nikolski Pacific Side-
404 PM AKDT Sat Sep 18 2021

...GALE WARNING THROUGH SUNDAY...

.TONIGHT...E wind 35 kt. Seas 16 ft. Rain.
.SUN...N wind 35 kt. Seas 17 ft.
.SUN NIGHT...N wind 30 kt. Seas 13 ft.
.MON...NW wind 25 kt. Seas 8 ft.
.MON NIGHT...NE wind 15 kt. Seas 5 ft.
.TUE...E wind 40 kt. Seas 12 ft.
.WED...NE wind 40 kt. Seas 18 ft.
.THU...NE wind 25 kt. Seas 13 ft.

$$

PKZ173-191315-
Nikolski to Seguam Island Bering Side-
404 PM AKDT Sat Sep 18 2021

...GALE WARNING TONIGHT...

.TONIGHT...NE wind 40 kt. Seas 15 ft. Rain.
.SUN...N wind 30 kt. Seas 12 ft.
.SUN NIGHT...N wind 20 kt. Seas 8 ft.
.MON...NW wind 15 kt. Seas 5 ft.
.MON NIGHT...E wind 20 kt. Seas 4 ft.
.TUE...E wind 40 kt. Seas 12 ft.
.WED...NE wind 35 kt. Seas 14 ft.
.THU...NE wind 25 kt. Seas 9 ft.

$$

PKZ174-191315-
Nikolski to Seguam Island Pacific Side-
404 PM AKDT Sat Sep 18 2021

...GALE WARNING THROUGH SUNDAY...

.TONIGHT...Variable wind 10 kt becoming N 35 kt after midnight. Seas
17 ft. Rain.
.SUN...N wind 35 kt. Seas 17 ft.
.SUN NIGHT...N wind 25 kt. Seas 11 ft.
.MON...NW wind 15 kt. Seas 6 ft.
.MON NIGHT...SE wind 25 kt. Seas 5 ft.
.TUE THROUGH WED...NE wind 45 kt. Seas 20 ft.
.THU...E wind 25 kt. Seas 13 ft.

$$

PKZ175-191315-
Seguam Island to Adak Bering Side-
404 PM AKDT Sat Sep 18 2021

...GALE WARNING TONIGHT...

.TONIGHT...N wind 40 kt diminishing to 30 kt after midnight. Seas
15 ft.
.SUN...N wind 30 kt becoming NW 20 kt in the afternoon. Seas 11
ft.
.SUN NIGHT...NW wind 15 kt. Seas 7 ft.
.MON...S wind 15 kt. Seas 5 ft.
.MON NIGHT...SE wind 25 kt. Seas 5 ft.
.TUE...E wind 35 kt. Seas 11 ft.
.WED...NE wind 30 kt. Seas 13 ft.
.THU...E wind 20 kt. Seas 9 ft.

$$

PKZ176-191315-
Seguam Island to Adak Pacific Side-
404 PM AKDT Sat Sep 18 2021

...GALE WARNING TONIGHT...

.TONIGHT...N wind 40 kt. Seas 15 ft. Rain.
.SUN...N wind 30 kt. Seas 13 ft.
.SUN NIGHT...NW wind 20 kt in the evening becoming variable 10 kt.
Seas 8 ft.
.MON...SE wind 15 kt. Seas 5 ft.
.MON NIGHT...SE wind 30 kt. Seas 6 ft.
.TUE THROUGH WED...NE wind 45 kt. Seas 20 ft.
.THU...E wind 15 kt. Seas 11 ft.

$$

PKZ177-191315-
Adak to Kiska-
404 PM AKDT Sat Sep 18 2021

...GALE WARNING TONIGHT...

.TONIGHT...NW wind 35 kt. Seas 13 ft.
.SUN...NW wind 20 kt. Seas 8 ft.
.SUN NIGHT...Variable wind 10 kt. Seas 6 ft.
.MON...SE wind 15 kt. Seas 5 ft.
.MON NIGHT...E wind 30 kt. Seas 6 ft.
.TUE...NE wind 40 kt. Seas 11 ft.
.WED...NE wind 25 kt. Seas 12 ft.
.THU...NE wind 15 kt. Seas 9 ft.

$$

PKZ178-191315-
Kiska to Attu-
404 PM AKDT Sat Sep 18 2021

...SMALL CRAFT ADVISORY TONIGHT...

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

$$

PKZ179-191315-
Pribilof Islands Near Shore Waters-
404 PM AKDT Sat Sep 18 2021

...SMALL CRAFT ADVISORY TONIGHT...

.TONIGHT...NE wind 25 kt. Seas 7 ft.
.SUN...N wind 20 kt. Seas 6 ft.
.SUN NIGHT...NW wind 20 kt. Seas 5 ft.
.MON...Variable wind 10 kt. Seas 4 ft.
.MON NIGHT...E wind 15 kt. Seas 4 ft.
.TUE THROUGH WED...NE wind 30 kt. Seas 8 ft.
.THU...NW wind 15 kt. Seas 6 ft.

$$

PKZ180-191315-
Kuskokwim Delta and Etolin Strait-
404 PM AKDT Sat Sep 18 2021

...SMALL CRAFT ADVISORY SUNDAY NIGHT...

.TONIGHT...NE wind 20 kt. Seas 5 ft.
.SUN...N wind 20 kt. Seas 5 ft.
.SUN NIGHT...N wind 25 kt. Seas 6 ft.
.MON AND MON NIGHT...N wind 25 kt. Seas 7 ft.
.TUE...NE wind 15 kt. Seas 4 ft.
.WED THROUGH THU...N wind 20 kt. Seas 5 ft.

$$

PKZ181-191315-
North and West of Nunivak Island-
404 PM AKDT Sat Sep 18 2021

...SMALL CRAFT ADVISORY SUNDAY NIGHT...

.TONIGHT...W wind 15 kt. Seas 4 ft.
.SUN...NW wind 20 kt. Seas 5 ft.
.SUN NIGHT...N wind 25 kt. Seas 6 ft.
.MON AND MON NIGHT...NW wind 15 kt. Seas 4 ft.
.TUE...S wind 15 kt. Seas 3 ft.
.WED...N wind 15 kt. Seas 4 ft.
.THU...Variable wind 10 kt. Seas 4 ft.

$$

PKZ185-191315-
Saint Matthew Island Waters-
404 PM AKDT Sat Sep 18 2021

.TONIGHT...W wind 15 kt. Seas 4 ft.
.SUN...NW wind 15 kt. Seas 5 ft.
.SUN NIGHT...NE wind 20 kt. Seas 5 ft.
.MON AND MON NIGHT...S wind 15 kt. Seas 4 ft.
.TUE...S wind 15 kt. Seas 5 ft.
.WED...NE wind 15 kt. Seas 5 ft.
.THU...SW wind 30 kt. Seas 8 ft.

$$

3 follow-up statements

065 
FZAK52 PAFC 191133
CWFALU

Coastal Waters Forecast
National Weather Service Anchorage Alaska
333 AM AKDT Sun Sep 19 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.

PKZ199-200015-
333 AM AKDT Sun Sep 19 2021
.SYNOPSIS FOR SOUTHWEST ALASKA+BRISTOL BAY+THE ALASKA
PENINSULA WATERS AND THE ALEUTIAN ISLANDS...

A 988 mb low 200 nm south of Dutch Harbor moves 160 nm southeast
of Sand Point at 990 mb Sunday afternoon and then moves into the 
Gulf Sunday night. A 980 mb low develops 360 nm southwest of Adak 
Monday night.

$$

PKZ150-200015-
South of the AK Peninsula Sitkinak to Castle Cape-
333 AM AKDT Sun Sep 19 2021

...SMALL CRAFT ADVISORY THROUGH MONDAY...

.TODAY...NE wind 30 kt. Seas 7 ft building to 11 ft in the
afternoon. Rain.
.TONIGHT...NE wind 30 kt. Seas 11 ft.
.MON...NW wind 30 kt. Seas 11 ft.
.MON NIGHT...NW wind 35 kt. Seas 11 ft.
.TUE...NW wind 30 kt. Seas 9 ft.
.WED...NE wind 30 kt. Seas 15 ft.
.THU...N wind 25 kt. Seas 15 ft.

$$

PKZ155-200015-
South of the AK Peninsula Castle Cape to Cape Sarichef-
333 AM AKDT Sun Sep 19 2021

...SMALL CRAFT ADVISORY THROUGH MONDAY...

.TODAY...NE wind 30 kt. Seas 14 ft. Rain.
.TONIGHT...N wind 30 kt. Seas 13 ft.
.MON...NW wind 25 kt. Seas 11 ft.
.MON NIGHT...N wind 25 kt. Seas 8 ft.
.TUE...E wind 30 kt. Seas 7 ft.
.WED...NE wind 40 kt. Seas 16 ft.
.THU...NW wind 30 kt. Seas 15 ft.

$$

PKZ160-200015-
Bristol Bay-
333 AM AKDT Sun Sep 19 2021

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

.TODAY...NE wind 20 kt. Seas 4 ft.
.TONIGHT...N wind 25 kt. Seas 3 ft.
.MON...N wind 25 kt. Seas 6 ft.
.MON NIGHT...N wind 25 kt. Seas 5 ft.
.TUE...NE wind 15 kt. Seas 4 ft.
.WED...NE wind 25 kt. Seas 6 ft.
.THU...N wind 25 kt. Seas 7 ft.

$$

PKZ165-200015-
Port Heiden to Cape Sarichef-
333 AM AKDT Sun Sep 19 2021

...SMALL CRAFT ADVISORY THROUGH MONDAY...

.TODAY...NE wind 25 kt. Seas 8 ft.
.TONIGHT...N wind 25 kt. Seas 7 ft.
.MON...N wind 25 kt. Seas 8 ft.
.MON NIGHT...N wind 20 kt. Seas 8 ft.
.TUE...NE wind 25 kt. Seas 6 ft.
.WED...NE wind 30 kt. Seas 13 ft.
.THU...NW wind 25 kt. Seas 11 ft.

$$

PKZ170-200015-
Cape Sarichef to Nikolski Bering Side-
333 AM AKDT Sun Sep 19 2021

...SMALL CRAFT ADVISORY THROUGH TONIGHT...

.TODAY...N wind 30 kt. Seas 11 ft.
.TONIGHT...N wind 25 kt. Seas 8 ft.
.MON...N wind 15 kt. Seas 6 ft.
.MON NIGHT...NE wind 15 kt. Seas 5 ft.
.TUE...E wind 35 kt. Seas 10 ft.
.WED...NE wind 30 kt. Seas 14 ft.
.THU...NW wind 25 kt. Seas 12 ft.

$$

PKZ171-200015-
Unalaska Bay-
333 AM AKDT Sun Sep 19 2021

...SMALL CRAFT ADVISORY THROUGH TONIGHT...

.TODAY...N wind 25 kt. Seas 9 ft.
.TONIGHT...N wind 25 kt. Seas 7 ft.
.MON...NW wind 20 kt. Seas 5 ft.
.MON NIGHT...NE wind 10 kt. Seas 3 ft.
.TUE...E wind 30 kt. Seas 7 ft.
.WED...NE wind 30 kt. Seas 10 ft.
.THU...NW wind 20 kt. Seas 7 ft.

$$

PKZ172-200015-
Cape Sarichef to Nikolski Pacific Side-
333 AM AKDT Sun Sep 19 2021

...GALE WARNING TODAY...

.TODAY...N wind 35 kt. Seas 16 ft.
.TONIGHT...N wind 30 kt. Seas 13 ft.
.MON...NW wind 25 kt. Seas 7 ft.
.MON NIGHT...NE wind 15 kt. Seas 5 ft.
.TUE...E wind 40 kt. Seas 14 ft.
.WED...NE wind 40 kt. Seas 16 ft.
.THU...NW wind 30 kt. Seas 14 ft.

$$

PKZ173-200015-
Nikolski to Seguam Island Bering Side-
333 AM AKDT Sun Sep 19 2021

...SMALL CRAFT ADVISORY THROUGH TONIGHT...

.TODAY...N wind 30 kt. Seas 12 ft.
.TONIGHT...N wind 20 kt. Seas 8 ft.
.MON...NW wind 15 kt in the morning becoming variable 10 kt. Seas
6 ft.
.MON NIGHT...E wind 20 kt. Seas 4 ft.
.TUE...E wind 40 kt. Seas 13 ft.
.WED...N wind 35 kt. Seas 14 ft.
.THU...NW wind 25 kt. Seas 12 ft.

$$

PKZ174-200015-
Nikolski to Seguam Island Pacific Side-
333 AM AKDT Sun Sep 19 2021

...GALE WARNING TODAY...

.TODAY...N wind 35 kt. Seas 17 ft.
.TONIGHT...N wind 25 kt. Seas 11 ft.
.MON...NW wind 15 kt. Seas 7 ft.
.MON NIGHT...SE wind 25 kt. Seas 5 ft.
.TUE...E wind 40 kt. Seas 16 ft.
.WED...N wind 35 kt. Seas 17 ft.
.THU...NW wind 30 kt. Seas 13 ft.

$$

PKZ175-200015-
Seguam Island to Adak Bering Side-
333 AM AKDT Sun Sep 19 2021

...SMALL CRAFT ADVISORY TODAY...

.TODAY...N wind 30 kt becoming NW 20 kt in the afternoon. Seas
12 ft.
.TONIGHT...NW wind 15 kt. Seas 7 ft.
.MON...Variable wind 10 kt becoming SE 15 kt in the afternoon.
Seas 6 ft.
.MON NIGHT...SE wind 25 kt. Seas 5 ft.
.TUE...NE wind 40 kt. Seas 12 ft.
.WED...N wind 30 kt. Seas 13 ft.
.THU...W wind 20 kt. Seas 9 ft.

$$

PKZ176-200015-
Seguam Island to Adak Pacific Side-
333 AM AKDT Sun Sep 19 2021

...SMALL CRAFT ADVISORY THROUGH TONIGHT...

.TODAY...N wind 30 kt. Seas 13 ft.
.TONIGHT...NW wind 20 kt in the evening becoming variable 10 kt.
Seas 8 ft.
.MON...Variable wind 10 kt becoming SE 15 kt in the afternoon.
Seas 6 ft.
.MON NIGHT...SE wind 30 kt. Seas 7 ft.
.TUE...NE wind 40 kt. Seas 17 ft.
.WED...N wind 35 kt. Seas 17 ft.
.THU...NW wind 25 kt. Seas 11 ft.

$$

PKZ177-200015-
Adak to Kiska-
333 AM AKDT Sun Sep 19 2021

...SMALL CRAFT ADVISORY TODAY...

.TODAY...NW wind 20 kt. Seas 8 ft.
.TONIGHT...Variable wind 10 kt. Seas 7 ft.
.MON...SE wind 15 kt. Seas 5 ft.
.MON NIGHT...E wind 30 kt. Seas 7 ft.
.TUE...NE wind 40 kt. Seas 14 ft.
.WED...N wind 30 kt. Seas 13 ft.
.THU...W wind 15 kt. Seas 8 ft.

$$

PKZ178-200015-
Kiska to Attu-
333 AM AKDT Sun Sep 19 2021

...SMALL CRAFT ADVISORY MONDAY...

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

$$

PKZ179-200015-
Pribilof Islands Near Shore Waters-
333 AM AKDT Sun Sep 19 2021

.TODAY...N wind 20 kt. Seas 6 ft.
.TONIGHT...NW wind 20 kt. Seas 5 ft.
.MON...Variable wind 10 kt. Seas 4 ft.
.MON NIGHT...E wind 15 kt. Seas 4 ft.
.TUE...E wind 30 kt. Seas 7 ft.
.WED...NE wind 30 kt. Seas 8 ft.
.THU...NW wind 20 kt. Seas 8 ft.

$$

PKZ180-200015-
Kuskokwim Delta and Etolin Strait-
333 AM AKDT Sun Sep 19 2021

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

.TODAY...N wind 20 kt. Seas 5 ft.
.TONIGHT...N wind 25 kt. Seas 6 ft.
.MON...N wind 25 kt. Seas 7 ft.
.MON NIGHT...N wind 25 kt. Seas 6 ft.
.TUE...NE wind 15 kt. Seas 4 ft.
.WED...NE wind 25 kt. Seas 8 ft.
.THU...N wind 25 kt. Seas 7 ft.

$$

PKZ181-200015-
North and West of Nunivak Island-
333 AM AKDT Sun Sep 19 2021

...SMALL CRAFT ADVISORY TONIGHT...

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

$$

PKZ185-200015-
Saint Matthew Island Waters-
333 AM AKDT Sun Sep 19 2021

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

$$

589 
FZAK52 PAFC 192345
CWFALU

Coastal Waters Forecast
National Weather Service Anchorage Alaska
345 PM AKDT Sun Sep 19 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.

PKZ199-201215-
345 PM AKDT Sun Sep 19 2021
.SYNOPSIS FOR SOUTHWEST ALASKA+BRISTOL BAY+THE ALASKA
PENINSULA WATERS AND THE ALEUTIAN ISLANDS...

Semisopochnoi Volcano 140 nm west of Adak is currently active.

A 989 mb low 240 nm south of Port Heiden moves northeast. A well 
developed 988 mb North Pacific low 480 nm south of Shemya Mon 
afternoon deepens as it moves 280 nm south of Adak at 975 mb for Tue 
afternoon. Its front pushes toward the Southern Aleutians through Tue
afternoon. 

$$

PKZ150-201215-
South of the AK Peninsula Sitkinak to Castle Cape-
345 PM AKDT Sun Sep 19 2021

...GALE WARNING MONDAY NIGHT...

.TONIGHT...NE wind 30 kt. Seas 12 ft.
.MON...NW wind 30 kt. Seas 11 ft.
.MON NIGHT...NW wind 40 kt. Seas 11 ft.
.TUE...NW wind 30 kt. Seas 9 ft.
.TUE NIGHT...NW wind 20 kt. Seas 5 ft.
.WED...NE wind 40 kt. Seas 15 ft.
.THU...N wind 25 kt. Seas 15 ft.
.FRI...W wind 25 kt. Seas 11 ft.

$$

PKZ155-201215-
South of the AK Peninsula Castle Cape to Cape Sarichef-
345 PM AKDT Sun Sep 19 2021

...GALE WARNING TONIGHT...

.TONIGHT...N wind 35 kt. Seas 14 ft.
.MON...NW wind 30 kt. Seas 11 ft.
.MON NIGHT...N wind 25 kt diminishing to 15 kt after midnight.
Seas 8 ft.
.TUE...E wind 20 kt. Seas 4 ft.
.TUE NIGHT...E wind 30 kt. Seas 5 ft.
.WED...NE wind 35 kt. Seas 15 ft.
.THU...NW wind 30 kt. Seas 15 ft.
.FRI...W wind 25 kt. Seas 8 ft.

$$

PKZ160-201215-
Bristol Bay-
345 PM AKDT Sun Sep 19 2021

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

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

$$

PKZ165-201215-
Port Heiden to Cape Sarichef-
345 PM AKDT Sun Sep 19 2021

...SMALL CRAFT ADVISORY THROUGH MONDAY...

.TONIGHT...N wind 25 kt. Seas 8 ft.
.MON...N wind 25 kt. Seas 8 ft.
.MON NIGHT...N wind 20 kt. Seas 7 ft.
.TUE...NE wind 20 kt. Seas 6 ft.
.TUE NIGHT...E wind 25 kt. Seas 7 ft.
.WED...NE wind 25 kt. Seas 13 ft.
.THU...NW wind 25 kt. Seas 11 ft.
.FRI...NW wind 25 kt. Seas 7 ft.

$$

PKZ170-201215-
Cape Sarichef to Nikolski Bering Side-
345 PM AKDT Sun Sep 19 2021

...SMALL CRAFT ADVISORY TONIGHT...

.TONIGHT...N wind 25 kt. Seas 8 ft.
.MON...NW wind 20 kt. Seas 6 ft.
.MON NIGHT...E wind 15 kt. Seas 5 ft.
.TUE...E wind 25 kt. Seas 6 ft.
.TUE NIGHT...E wind 30 kt. Seas 8 ft.
.WED...NE wind 30 kt. Seas 14 ft.
.THU...NW wind 25 kt. Seas 12 ft.
.FRI...N wind 20 kt. Seas 6 ft.

$$

PKZ171-201215-
Unalaska Bay-
345 PM AKDT Sun Sep 19 2021

...SMALL CRAFT ADVISORY TONIGHT...

.TONIGHT...N wind 25 kt. Seas 8 ft.
.MON...NW wind 20 kt decreasing to 10 kt in the afternoon. Seas 6 
ft subsiding to 3 ft in the afternoon.
.MON NIGHT...N wind 10 kt in the evening becoming variable less
than 10 kt. Seas 3 ft.
.TUE...SE wind 20 kt. Seas 3 ft.
.TUE NIGHT...E wind 25 kt. Seas 4 ft.
.WED...NE wind 20 kt. Seas 7 ft.
.THU...NW wind 20 kt. Seas 7 ft.
.FRI...E wind 10 kt. Seas 3 ft.

$$

PKZ172-201215-
Cape Sarichef to Nikolski Pacific Side-
345 PM AKDT Sun Sep 19 2021

...SMALL CRAFT ADVISORY THROUGH MONDAY...

.TONIGHT...N wind 30 kt. Seas 13 ft.
.MON...NW wind 25 kt. Seas 9 ft.
.MON NIGHT...NW wind 15 kt in the evening becoming variable 10 kt.
Seas 5 ft.
.TUE...E wind 30 kt. Seas 5 ft.
.TUE NIGHT...E wind 35 kt. Seas 11 ft.
.WED...NE wind 40 kt. Seas 16 ft.
.THU...NW wind 30 kt. Seas 14 ft.
.FRI...S wind 15 kt. Seas 8 ft.

$$

PKZ173-201215-
Nikolski to Seguam Island Bering Side-
345 PM AKDT Sun Sep 19 2021

...SMALL CRAFT ADVISORY TONIGHT...

.TONIGHT...N wind 20 kt. Seas 8 ft.
.MON...Variable wind 10 kt. Seas 5 ft.
.MON NIGHT...SE wind 20 kt. Seas 4 ft.
.TUE...E wind 30 kt. Seas 7 ft.
.TUE NIGHT...NE wind 35 kt. Seas 11 ft.
.WED...NE wind 30 kt. Seas 13 ft.
.THU...NW wind 25 kt. Seas 12 ft.
.FRI...NE wind 20 kt. Seas 9 ft.

$$

PKZ174-201215-
Nikolski to Seguam Island Pacific Side-
345 PM AKDT Sun Sep 19 2021

...SMALL CRAFT ADVISORY TONIGHT...

.TONIGHT...N wind 30 kt diminishing to 20 kt after midnight. Seas
11 ft subsiding to 8 ft after midnight.
.MON...NW wind 15 kt becoming variable 10 kt in the afternoon. Seas 
7 ft.
.MON NIGHT...Variable wind 10 kt becoming SE 20 kt after midnight.
Seas 5 ft.
.TUE...E wind 40 kt. Seas 9 ft.
.TUE NIGHT...E wind 40 kt. Seas 16 ft.
.WED...NE wind 40 kt. Seas 17 ft.
.THU...NW wind 30 kt. Seas 13 ft.
.FRI...SE wind 20 kt. Seas 12 ft.

$$

PKZ175-201215-
Seguam Island to Adak Bering Side-
345 PM AKDT Sun Sep 19 2021

.TONIGHT...NW wind 15 kt. Seas 7 ft.
.MON...Variable wind 10 kt. Seas 5 ft.
.MON NIGHT...SE wind 20 kt. Seas 4 ft.
.TUE AND TUE NIGHT...NE wind 35 kt. Seas 10 ft.
.WED...NE wind 30 kt. Seas 12 ft.
.THU...W wind 20 kt. Seas 9 ft.
.FRI...NW wind 25 kt. Seas 9 ft.

$$

PKZ176-201215-
Seguam Island to Adak Pacific Side-
345 PM AKDT Sun Sep 19 2021

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

.TONIGHT...NW wind 20 kt in the evening becoming variable 10 kt.
Seas 8 ft.
.MON...Variable wind 10 kt becoming SE 15 kt in the afternoon.
Seas 5 ft.
.MON NIGHT...SE wind 25 kt. Seas 8 ft.
.TUE...E wind 40 kt. Seas 12 ft.
.TUE NIGHT...NE wind 40 kt. Seas 17 ft.
.WED...N wind 35 kt. Seas 17 ft.
.THU THROUGH FRI...NW wind 25 kt. Seas 12 ft.

$$

PKZ177-201215-
Adak to Kiska-
345 PM AKDT Sun Sep 19 2021

...SMALL CRAFT ADVISORY MONDAY NIGHT...

.TONIGHT...NW wind 15 kt. Seas 6 ft.
.MON...SE wind 15 kt. Seas 5 ft.
.MON NIGHT...E wind 25 kt. Seas 8 ft.
.TUE AND TUE NIGHT...NE wind 35 kt. Seas 12 ft.
.WED...NE wind 25 kt. Seas 11 ft.
.THU...W wind 15 kt. Seas 8 ft.
.FRI...NW wind 25 kt. Seas 13 ft.

$$

PKZ178-201215-
Kiska to Attu-
345 PM AKDT Sun Sep 19 2021

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

.TONIGHT...SW wind 15 kt becoming S 25 kt after midnight. Seas 6
ft.
.MON...SE wind 30 kt. Seas 10 ft.
.MON NIGHT...SE wind 25 kt. Seas 10 ft.
.TUE...E wind 25 kt. Seas 9 ft.
.TUE NIGHT...NE wind 20 kt. Seas 9 ft.
.WED...SE wind 15 kt. Seas 9 ft.
.THU...S wind 15 kt. Seas 6 ft.
.FRI...NW wind 20 kt. Seas 13 ft.

$$

PKZ179-201215-
Pribilof Islands Near Shore Waters-
345 PM AKDT Sun Sep 19 2021

.TONIGHT...NW wind 20 kt. Seas 5 ft.
.MON...NE wind 15 kt. Seas 4 ft.
.MON NIGHT...SE wind 15 kt. Seas 4 ft.
.TUE...E wind 20 kt. Seas 4 ft.
.TUE NIGHT...E wind 25 kt. Seas 5 ft.
.WED...N wind 25 kt. Seas 8 ft.
.THU...NW wind 20 kt. Seas 8 ft.
.FRI...N wind 15 kt. Seas 6 ft.

$$

PKZ180-201215-
Kuskokwim Delta and Etolin Strait-
345 PM AKDT Sun Sep 19 2021

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

.TONIGHT...N wind 25 kt. Seas 8 ft.
.MON...N wind 30 kt. Seas 10 ft.
.MON NIGHT...N wind 25 kt. Seas 8 ft.
.TUE AND TUE NIGHT...E wind 15 kt. Seas 4 ft.
.WED...NE wind 25 kt. Seas 7 ft.
.THU...N wind 25 kt. Seas 8 ft.
.FRI...NW wind 20 kt. Seas 5 ft.

$$

PKZ181-201215-
North and West of Nunivak Island-
345 PM AKDT Sun Sep 19 2021

...SMALL CRAFT ADVISORY TONIGHT...

.TONIGHT...N wind 25 kt. Seas 8 ft.
.MON...N wind 15 kt. Seas 5 ft.
.MON NIGHT...Variable wind 10 kt. Seas 3 ft.
.TUE AND TUE NIGHT...SW wind 15 kt. Seas 3 ft.
.WED...N wind 25 kt. Seas 8 ft.
.THU THROUGH FRI...N wind 20 kt. Seas 5 ft.

$$

PKZ185-201215-
Saint Matthew Island Waters-
345 PM AKDT Sun Sep 19 2021

.TONIGHT...N wind 20 kt E of Saint Matthew Island...NE 15 kt W of
Saint Matthew Island. Seas 5 ft.
.MON...Variable wind 10 kt E of Saint Matthew Island...SE 15 kt W
of Saint Matthew Island. Seas 4 ft.
.MON NIGHT...S wind 15 kt. Seas 4 ft.
.TUE...S wind 15 kt. Seas 3 ft.
.TUE NIGHT...N wind 20 kt. Seas 6 ft.
.WED...NE wind 25 kt. Seas 7 ft.
.THU THROUGH FRI...N wind 20 kt. Seas 6 ft.

$$

539 
FZAK52 PAFC 201136
CWFALU

Coastal Waters Forecast
National Weather Service Anchorage Alaska
336 AM AKDT Mon Sep 20 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.

PKZ199-210015-
336 AM AKDT Mon Sep 20 2021
.SYNOPSIS FOR SOUTHWEST ALASKA+BRISTOL BAY+THE ALASKA
PENINSULA WATERS AND THE ALEUTIAN ISLANDS...

Semisopochnoi Volcano 140 nm west of Adak is currently active.

High pressure exists across the Eastern Bering through Tue
afternoon. A front pushes into the Western Bering on Mon evening.
A 980 mb low moves to 350 nm south of Adak on Tue afternoon. Its
front moves across the Aleutian Islands through Wed afternoon. 

$$

PKZ150-210015-
South of the AK Peninsula Sitkinak to Castle Cape-
336 AM AKDT Mon Sep 20 2021

...GALE WARNING TONIGHT...

.TODAY...NW wind 30 kt. Seas 11 ft.
.TONIGHT...NW wind 40 kt. Seas 11 ft.
.TUE...NW wind 30 kt. Seas 9 ft.
.TUE NIGHT...NW wind 20 kt. Seas 5 ft.
.WED...NE wind 35 kt. Seas 13 ft.
.THU...NW wind 35 kt. Seas 15 ft.
.FRI...W wind 35 kt. Seas 14 ft.

$$

PKZ155-210015-
South of the AK Peninsula Castle Cape to Cape Sarichef-
336 AM AKDT Mon Sep 20 2021

...SMALL CRAFT ADVISORY THROUGH TONIGHT...

.TODAY...NW wind 30 kt. Seas 11 ft.
.TONIGHT...N wind 25 kt diminishing to 15 kt after midnight. Seas
8 ft.
.TUE...E wind 20 kt in the afternoon. Variable wind 10 kt in the
morning. From the Shumagin Islands E, variable 10 kt. Seas 4 ft.
.TUE NIGHT...E wind 30 kt. Seas 5 ft.
.WED...NE wind 40 kt. Seas 14 ft.
.THU...NW wind 35 kt. Seas 14 ft.
.FRI...SW wind 30 kt. Seas 10 ft.

$$

PKZ160-210015-
Bristol Bay-
336 AM AKDT Mon Sep 20 2021

...SMALL CRAFT ADVISORY THROUGH TONIGHT...

.TODAY...N wind 25 kt. Seas 6 ft.
.TONIGHT...N wind 25 kt. Seas 5 ft.
.TUE...N wind 15 kt. Seas 4 ft.
.TUE NIGHT...NE wind 15 kt. Seas 3 ft.
.WED...NE wind 30 kt. Seas 5 ft.
.THU THROUGH FRI...NW wind 30 kt. Seas 10 ft.

$$

PKZ165-210015-
Port Heiden to Cape Sarichef-
336 AM AKDT Mon Sep 20 2021

...SMALL CRAFT ADVISORY TODAY...

.TODAY...N wind 25 kt. Seas 8 ft.
.TONIGHT...N wind 20 kt. Seas 7 ft.
.TUE...NE wind 20 kt. Seas 4 ft.
.TUE NIGHT...E wind 25 kt. Seas 5 ft.
.WED...NE wind 30 kt. Seas 10 ft.
.THU...N wind 30 kt. Seas 12 ft.
.FRI...N wind 40 kt. Seas 10 ft.

$$

PKZ170-210015-
Cape Sarichef to Nikolski Bering Side-
336 AM AKDT Mon Sep 20 2021

...SMALL CRAFT ADVISORY TUESDAY...

.TODAY...NW wind 20 kt. Seas 6 ft.
.TONIGHT...NE wind 15 kt. Seas 5 ft.
.TUE...E wind 25 kt. Seas 6 ft.
.TUE NIGHT...E wind 30 kt. Seas 8 ft.
.WED...NE wind 30 kt. Seas 13 ft.
.THU...NW wind 30 kt. Seas 13 ft.
.FRI...E wind 45 kt. Seas 15 ft.

$$

PKZ171-210015-
Unalaska Bay-
336 AM AKDT Mon Sep 20 2021

.TODAY...NW wind 20 kt. Seas 6 ft.
.TONIGHT...N wind 10 kt in the evening becoming variable less than
10 kt. Seas 3 ft.
.TUE...SE wind 10 kt increasing to 20 kt in the afternoon. Seas
3 ft.
.TUE NIGHT...E wind 25 kt. Seas 4 ft.
.WED...N wind 30 kt. Seas 10 ft.
.THU...NW wind 30 kt. Seas 10 ft.
.FRI...SE wind 40 kt. Seas 7 ft.

$$

PKZ172-210015-
Cape Sarichef to Nikolski Pacific Side-
336 AM AKDT Mon Sep 20 2021

...SMALL CRAFT ADVISORY TODAY AND TUESDAY...

.TODAY...NW wind 25 kt. Seas 8 ft.
.TONIGHT...NW wind 15 kt in the evening becoming variable 10 kt.
Seas 5 ft.
.TUE...E wind 20 kt increasing to 30 kt in the afternoon. 
Seas 5 ft.
.TUE NIGHT...E wind 35 kt. Seas 11 ft.
.WED...N wind 40 kt. Seas 15 ft.
.THU...NW wind 30 kt. Seas 12 ft.
.FRI...S wind 40 kt. Seas 17 ft.

$$

PKZ173-210015-
Nikolski to Seguam Island Bering Side-
336 AM AKDT Mon Sep 20 2021

...SMALL CRAFT ADVISORY TUESDAY...

.TODAY...Variable wind 10 kt. Seas 5 ft.
.TONIGHT...SE wind 20 kt. Seas 4 ft.
.TUE...E wind 30 kt. Seas 7 ft.
.TUE NIGHT...NE wind 35 kt. Seas 11 ft.
.WED...N wind 30 kt. Seas 13 ft.
.THU...NW wind 25 kt. Seas 11 ft.
.FRI...E wind 45 kt. Seas 17 ft.

$$

PKZ174-210015-
Nikolski to Seguam Island Pacific Side-
336 AM AKDT Mon Sep 20 2021

...GALE WARNING TUESDAY...

.TODAY...NW wind 15 kt. Seas 7 ft.
.TONIGHT...Variable wind 10 kt becoming SE 20 kt after midnight.
Seas 5 ft.
.TUE...SE wind 30 kt becoming E 40 kt in the afternoon. Seas 9 ft.
.TUE NIGHT...E wind 40 kt. Seas 16 ft.
.WED...N wind 40 kt. Seas 17 ft.
.THU...NW wind 30 kt. Seas 12 ft.
.FRI...S wind 45 kt. Seas 21 ft.

$$

PKZ175-210015-
Seguam Island to Adak Bering Side-
336 AM AKDT Mon Sep 20 2021

...GALE WARNING TUESDAY...

.TODAY...Variable wind 10 kt. Seas 5 ft.
.TONIGHT...SE wind 20 kt. Seas 4 ft.
.TUE...E wind 35 kt. Seas 8 ft.
.TUE NIGHT...NE wind 35 kt. Seas 11 ft.
.WED...NE wind 30 kt. Seas 12 ft.
.THU...SE wind 20 kt. Seas 8 ft.
.FRI...NE wind 45 kt. Seas 13 ft.

$$

PKZ176-210015-
Seguam Island to Adak Pacific Side-
336 AM AKDT Mon Sep 20 2021

...GALE WARNING TUESDAY...

.TODAY...Variable wind 10 kt becoming SE 15 kt in the afternoon.
Seas 5 ft.
.TONIGHT...SE wind 25 kt. Seas 5 ft.
.TUE...E wind 40 kt. Seas 12 ft.
.TUE NIGHT...NE wind 40 kt. Seas 17 ft.
.WED...N wind 35 kt. Seas 17 ft.
.THU...SW wind 20 kt. Seas 9 ft.
.FRI...W wind 45 kt. Seas 16 ft.

$$

PKZ177-210015-
Adak to Kiska-
336 AM AKDT Mon Sep 20 2021

...GALE WARNING TUESDAY...

.TODAY...SE wind 15 kt. Seas 5 ft.
.TONIGHT...E wind 25 kt. Seas 6 ft.
.TUE...E wind 35 kt. Seas 11 ft.
.TUE NIGHT...NE wind 35 kt. Seas 12 ft.
.WED...NE wind 25 kt. Seas 11 ft.
.THU...S wind 20 kt. Seas 7 ft.
.FRI...N wind 35 kt. Seas 10 ft.

$$

PKZ178-210015-
Kiska to Attu-
336 AM AKDT Mon Sep 20 2021

...SMALL CRAFT ADVISORY THROUGH TUESDAY...

.TODAY...SE wind 30 kt. Seas 10 ft.
.TONIGHT...SE wind 25 kt. Seas 10 ft.
.TUE...E wind 25 kt. Seas 9 ft.
.TUE NIGHT...NE wind 20 kt. Seas 9 ft.
.WED...SE wind 15 kt. Seas 9 ft.
.THU...S wind 20 kt. Seas 7 ft.
.FRI...NW wind 25 kt. Seas 12 ft.

$$

PKZ179-210015-
Pribilof Islands Near Shore Waters-
336 AM AKDT Mon Sep 20 2021

.TODAY...NE wind 15 kt. Seas 4 ft.
.TONIGHT...SE wind 15 kt. Seas 4 ft.
.TUE...E wind 20 kt. Seas 4 ft.
.TUE NIGHT...E wind 25 kt. Seas 5 ft.
.WED...N wind 30 kt. Seas 10 ft.
.THU...N wind 25 kt. Seas 10 ft.
.FRI...E wind 30 kt. Seas 8 ft.

$$

PKZ180-210015-
Kuskokwim Delta and Etolin Strait-
336 AM AKDT Mon Sep 20 2021

...SMALL CRAFT ADVISORY THROUGH TONIGHT...

.TODAY...N wind 30 kt. Seas 7 ft.
.TONIGHT...N wind 25 kt. Seas 6 ft.
.TUE...NE wind 15 kt diminishing to 10 kt in the afternoon. 
Seas 3 ft.
.TUE NIGHT...E wind 15 kt. Seas 2 ft.
.WED...NE wind 30 kt. Seas 8 ft.
.THU...N wind 30 kt. Seas 9 ft.
.FRI...N wind 25 kt. Seas 7 ft.

$$

PKZ181-210015-
North and West of Nunivak Island-
336 AM AKDT Mon Sep 20 2021

.TODAY...N wind 15 kt. Seas 5 ft.
.TONIGHT...Variable wind 10 kt. Seas 3 ft.
.TUE...Variable wind 10 kt becoming S 15 kt in the afternoon. 
Seas 2 ft.
.TUE NIGHT...SW wind 15 kt. Seas 4 ft.
.WED THROUGH THU...N wind 25 kt. Seas 8 ft.
.FRI...N wind 20 kt. Seas 7 ft.

$$

PKZ185-210015-
Saint Matthew Island Waters-
336 AM AKDT Mon Sep 20 2021

.TODAY...Variable wind 10 kt E of Saint Matthew Island...
SE 15 kt W of Saint Matthew Island. Seas 4 ft.
.TONIGHT...S wind 15 kt. Seas 4 ft.
.TUE...S wind 15 kt. Seas 3 ft.
.TUE NIGHT...N wind 20 kt. Seas 6 ft.
.WED...NE wind 25 kt. Seas 7 ft.
.THU...E wind 20 kt. Seas 6 ft.
.FRI...E wind 15 kt. Seas 6 ft.

$$

The office that day

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

Issued	Product	Office	Lasted
Sep 18, 4:14 PM AKDT	Small Craft Advisory	AFC	24 hr
Sep 19, 3:33 AM AKDT	Small Craft Advisory	AFC	5 days
Sep 19, 3:45 PM AKDT	Gale Warning	AFC	60 hr
Sep 19, 3:45 PM AKDT	Small Craft Advisory	AFC	24 hr
Sep 19, 3:59 PM AKDT	Gale Warning	AFC	3 days

Nearby

Small Craft Advisories in Alaska, 2021 Every 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.