Small Craft Advisory 491, NWS Anchorage, AK

Issued

Jun 19, 2021, 4:02 PM AKDT (00:02 UTC)

Expired

Jun 20, 2021, 3:23 AM AKDT

In force

11 hr

Issued by

NWS Anchorage, AK

630 
FZAK52 PAFC 200002
CWFALU

Coastal Waters Forecast
National Weather Service Anchorage Alaska
402 PM AKDT Sat Jun 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.

PKZ199-201300-
402 PM AKDT Sat Jun 19 2021
.SYNOPSIS FOR SOUTHWEST ALASKA+BRISTOL BAY+THE ALASKA
PENINSULA WATERS AND THE ALEUTIAN ISLANDS...

A 981 mb low 200 nm southwest of Attu intensifies to 977 mb 165 nm 
southwest of Attu for Sun morning then turns to 150 nm south of 
Shemya at 985 mb by Mon afternoon. Its front extends through the 
Alaska Peninsula by Mon afternoon.

$$

PKZ150-201300-
South of the AK Peninsula Sitkinak to Castle Cape-
402 PM AKDT Sat Jun 19 2021

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

.TONIGHT...NE wind 25 kt. Seas 8 ft. Rain.
.SUN...N wind 25 kt. Seas 8 ft.
.SUN NIGHT...W wind 20 kt. Seas 8 ft.
.MON...Variable wind 10 kt. Seas 6 ft.
.MON NIGHT...E wind 15 kt. Seas 5 ft.
.TUE...E wind 25 kt. Seas 8 ft.
.WED...SE wind 25 kt. Seas 12 ft.
.THU...SE wind 20 kt. Seas 12 ft.

$$

PKZ155-201300-
South of the AK Peninsula Castle Cape to Cape Sarichef-
402 PM AKDT Sat Jun 19 2021

...SMALL CRAFT ADVISORY TONIGHT...

.TONIGHT...N wind 25 kt. Seas 7 ft.
.SUN...NW wind 15 kt except NW 20 kt from the Shumagin Islands E.
Seas 7 ft.
.SUN NIGHT...SW wind 15 kt. Seas 6 ft.
.MON AND MON NIGHT...E wind 15 kt. Seas 6 ft.
.TUE...E wind 20 kt. Seas 7 ft.
.WED THROUGH THU...SE wind 20 kt. Seas 9 ft.

$$

PKZ160-201300-
Bristol Bay-
402 PM AKDT Sat Jun 19 2021

.TONIGHT...N wind 15 kt. Seas 2 ft.
.SUN...NE wind 20 kt. Seas 2 ft.
.SUN NIGHT...N wind 15 kt. Seas 1 foot.
.MON...W wind 10 kt. Seas 1 foot.
.MON NIGHT...SE wind 10 kt. Seas 1 foot.
.TUE...E wind 20 kt. Seas 5 ft.
.WED...E wind 25 kt. Seas 5 ft.
.THU...E wind 20 kt. Seas 5 ft.

$$

PKZ165-201300-
Port Heiden to Cape Sarichef-
402 PM AKDT Sat Jun 19 2021

.TONIGHT...NE wind 15 kt. Seas 2 ft.
.SUN...Variable wind 10 kt. Seas 2 ft.
.SUN NIGHT...Variable wind 10 kt. Seas 1 foot.
.MON...Variable wind 10 kt. Seas 2 ft.
.MON NIGHT...E wind 15 kt. Seas 3 ft.
.TUE...E wind 20 kt. Seas 5 ft.
.WED...E wind 25 kt. Seas 6 ft.
.THU...E wind 20 kt. Seas 5 ft.

$$

PKZ170-201300-
Cape Sarichef to Nikolski Bering Side-
402 PM AKDT Sat Jun 19 2021

.TONIGHT...E wind 15 kt. Seas 2 ft.
.SUN...E wind 20 kt. Seas 3 ft.
.SUN NIGHT...E wind 20 kt. Seas 3 ft.
.MON AND MON NIGHT...E wind 15 kt. Seas 4 ft.
.TUE THROUGH THU...E wind 15 kt. Seas 4 ft.

$$

PKZ171-201300-
Unalaska Bay-
402 PM AKDT Sat Jun 19 2021

.TONIGHT...E wind 10 kt. Seas 1 foot.
.SUN...SE wind 10 kt. Seas 1 foot.
.SUN NIGHT...SE wind 15 kt diminishing to 10 kt after midnight.
Seas 1 foot.
.MON...E wind 15 kt. Seas 2 ft.
.MON NIGHT...E wind 10 kt. Seas 2 ft.
.TUE THROUGH THU...E wind 10 kt. Seas 2 ft.

$$

PKZ172-201300-
Cape Sarichef to Nikolski Pacific Side-
402 PM AKDT Sat Jun 19 2021

.TONIGHT...NE wind 15 kt. Seas 5 ft.
.SUN...E wind 20 kt. Seas 5 ft.
.SUN NIGHT...SE wind 20 kt. Seas 7 ft.
.MON...E wind 20 kt. Seas 8 ft.
.MON NIGHT...E wind 15 kt. Seas 8 ft.
.TUE...SE wind 15 kt. Seas 7 ft.
.WED...S wind 15 kt. Seas 6 ft.
.THU...SE wind 15 kt. Seas 6 ft.

$$

PKZ173-201300-
Nikolski to Seguam Island Bering Side-
402 PM AKDT Sat Jun 19 2021

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

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

$$

PKZ174-201300-
Nikolski to Seguam Island Pacific Side-
402 PM AKDT Sat Jun 19 2021

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

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

$$

PKZ175-201300-
Seguam Island to Adak Bering Side-
402 PM AKDT Sat Jun 19 2021

...GALE WARNING TONIGHT...

.TONIGHT...E wind 35 kt. Seas 9 ft. Rain.
.SUN...E wind 30 kt. Seas 9 ft. Rain.
.SUN NIGHT...SE wind 25 kt. Seas 8 ft.
.MON...Variable wind 10 kt. Seas 4 ft.
.MON NIGHT...SE wind 15 kt. Seas 4 ft.
.TUE...E wind 15 kt. Seas 4 ft.
.WED THROUGH THU...NW wind 20 kt. Seas 6 ft.

$$

PKZ176-201300-
Seguam Island to Adak Pacific Side-
402 PM AKDT Sat Jun 19 2021

...GALE WARNING TONIGHT...

.TONIGHT...SE wind 35 kt. Seas 11 ft. Rain.
.SUN...SE wind 30 kt. Seas 11 ft.
.SUN NIGHT...SW wind 15 kt. Seas 10 ft.
.MON AND MON NIGHT...S wind 15 kt. Seas 9 ft.
.TUE...E wind 15 kt. Seas 8 ft.
.WED...NW wind 20 kt. Seas 6 ft.
.THU...NW wind 25 kt. Seas 7 ft.

$$

PKZ177-201300-
Adak to Kiska-
402 PM AKDT Sat Jun 19 2021

...GALE WARNING TONIGHT...

.TONIGHT...E wind 40 kt. Seas 12 ft. Rain.
.SUN...S wind 30 kt becoming SW 15 kt in the afternoon. 
Seas 11 ft.
.SUN NIGHT...S wind 20 kt. Seas 11 ft.
.MON AND MON NIGHT...SE wind 20 kt. Seas 10 ft.
.TUE...NE wind 20 kt. Seas 8 ft.
.WED THROUGH THU...NW wind 25 kt. Seas 7 ft.

$$

PKZ178-201300-
Kiska to Attu-
402 PM AKDT Sat Jun 19 2021

...GALE WARNING TONIGHT...

.TONIGHT...E wind 40 kt. Seas 14 ft. Rain.
.SUN...S wind 30 kt. Seas 14 ft.
.SUN NIGHT...S wind 25 kt. Seas 14 ft. Rain.
.MON...SE wind 25 kt. Seas 12 ft.
.MON NIGHT...E wind 20 kt. Seas 9 ft.
.TUE...N wind 20 kt. Seas 7 ft.
.WED THROUGH THU...W wind 25 kt. Seas 7 ft.

$$

PKZ179-201300-
Pribilof Islands Near Shore Waters-
402 PM AKDT Sat Jun 19 2021

.TONIGHT...E wind 15 kt. Seas 3 ft.
.SUN...Variable wind 10 kt. Seas 2 ft.
.SUN NIGHT...Variable wind 10 kt. Seas 1 foot.
.MON AND MON NIGHT...E wind 15 kt. Seas 4 ft.
.TUE...E wind 15 kt. Seas 4 ft.
.WED...NE wind 20 kt. Seas 6 ft.
.THU...NE wind 15 kt. Seas 5 ft.

$$

PKZ180-201300-
Kuskokwim Delta and Etolin Strait-
402 PM AKDT Sat Jun 19 2021

.TONIGHT...NW wind 15 kt. Seas 2 ft.
.SUN...N wind 10 kt. Seas 2 ft.
.SUN NIGHT...SW wind 10 kt. Seas 1 foot.
.MON...Variable wind less than 10 kt. Seas 1 foot.
.MON NIGHT...SE wind 10 kt. Seas 2 ft.
.TUE...E wind 20 kt. Seas 5 ft.
.WED...NE wind 25 kt. Seas 6 ft.
.THU...E wind 15 kt. Seas 5 ft.

$$

PKZ181-201300-
North and West of Nunivak Island-
402 PM AKDT Sat Jun 19 2021

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

$$

PKZ185-201300-
Saint Matthew Island Waters-
402 PM AKDT Sat Jun 19 2021

...SMALL CRAFT ADVISORY SUNDAY...

.TONIGHT...N wind 15 kt E of Saint Matthew Island...E 20 kt W of
Saint Matthew Island. Seas 3 ft.
.SUN...N wind 15 kt E of Saint Matthew Island...NE 25 kt W of
Saint Matthew Island. Seas 4 ft.
.SUN NIGHT...N wind 15 kt E of Saint Matthew Island... NE 20 kt W
of Saint Matthew Island. Seas 4 ft.
.MON AND MON NIGHT...NE wind 15 kt. Seas 6 ft.
.TUE...NE wind 20 kt. Seas 6 ft.
.WED THROUGH THU...N wind 20 kt. Seas 6 ft.

$$

385 
FZAK52 PAFC 201123
CWFALU

Coastal Waters Forecast
National Weather Service Anchorage Alaska
323 AM AKDT Sun Jun 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.

PKZ199-210045-
323 AM AKDT Sun Jun 20 2021
.SYNOPSIS FOR SOUTHWEST ALASKA+BRISTOL BAY+THE ALASKA
PENINSULA WATERS AND THE ALEUTIAN ISLANDS...

A 978 mb low 245 nm west of Shemya on Sun moves to 137 nm
southwest of Shemya at 983 mb on Mon and then to 386 nm southwest
of Adak at 989 mb on Tue. Its front moves across the Bering
through Tue. 


$$

PKZ150-210045-
South of the AK Peninsula Sitkinak to Castle Cape-
323 AM AKDT Sun Jun 20 2021

...SMALL CRAFT ADVISORY TODAY...

.TODAY...N wind 25 kt. Seas 8 ft.
.TONIGHT...NW wind 15 kt. Seas 7 ft.
.MON...Variable wind 10 kt. Seas 6 ft.
.MON NIGHT...E wind 15 kt. Seas 4 ft.
.TUE THROUGH WED...E wind 35 kt. Seas 12 ft.
.THU...SE wind 25 kt. Seas 12 ft.

$$

PKZ155-210045-
South of the AK Peninsula Castle Cape to Cape Sarichef-
323 AM AKDT Sun Jun 20 2021

.TODAY...NW wind 20 kt in the morning becoming variable 10 kt.
Seas 6 ft.
.TONIGHT...Variable wind 10 kt. Seas 6 ft.
.MON...E wind 15 kt except variable 10 kt from the Shumagin
Islands E. Seas 5 ft.
.MON NIGHT...E wind 15 kt. Seas 6 ft.
.TUE...E wind 25 kt. Seas 7 ft.
.WED...NE wind 25 kt. Seas 9 ft.
.THU...SE wind 25 kt. Seas 10 ft.

$$

PKZ160-210045-
Bristol Bay-
323 AM AKDT Sun Jun 20 2021

.TODAY...NE wind 15 kt diminishing to 10 kt in the afternoon. Seas
2 ft.
.TONIGHT...NW wind 10 kt in the evening becoming variable less
than 10 kt. Seas 2 ft.
.MON...Variable wind less than 10 kt. Seas 2 ft.
.MON NIGHT...E wind 10 kt. Seas 2 ft.
.TUE...E wind 25 kt. Seas 4 ft.
.WED...NE wind 30 kt. Seas 8 ft.
.THU...E wind 25 kt. Seas 6 ft.

$$

PKZ165-210045-
Port Heiden to Cape Sarichef-
323 AM AKDT Sun Jun 20 2021

.TODAY...Variable wind 10 kt. Seas 2 ft.
.TONIGHT...Variable wind 10 kt. Seas 2 ft.
.MON...Variable wind 10 kt. Seas 2 ft.
.MON NIGHT...E wind 15 kt. Seas 2 ft.
.TUE...E wind 20 kt. Seas 4 ft.
.WED...NE wind 30 kt. Seas 8 ft.
.THU...E wind 25 kt. Seas 7 ft.

$$

PKZ170-210045-
Cape Sarichef to Nikolski Bering Side-
323 AM AKDT Sun Jun 20 2021

.TODAY...E wind 20 kt. Seas 3 ft.
.TONIGHT...E wind 20 kt. Seas 3 ft.
.MON...E wind 15 kt. Seas 4 ft.
.MON NIGHT...SE wind 20 kt. Seas 4 ft.
.TUE...E wind 15 kt. Seas 3 ft.
.WED THROUGH THU...N wind 20 kt. Seas 8 ft.

$$

PKZ171-210045-
Unalaska Bay-
323 AM AKDT Sun Jun 20 2021

.TODAY...SE wind 10 kt. Seas 2 ft.
.TONIGHT...SE wind 10 kt. Seas 2 ft.
.MON...SE wind 15 kt. Seas 2 ft.
.MON NIGHT...SE wind 15 kt. Seas 2 ft.
.TUE...E wind 10 kt. Seas 2 ft.
.WED THROUGH THU...NE wind 10 kt. Seas 3 ft.

$$

PKZ172-210045-
Cape Sarichef to Nikolski Pacific Side-
323 AM AKDT Sun Jun 20 2021

.TODAY...E wind 20 kt. Seas 5 ft.
.TONIGHT...E wind 20 kt. Seas 6 ft.
.MON...E wind 20 kt. Seas 7 ft.
.MON NIGHT...S wind 15 kt. Seas 7 ft.
.TUE...E wind 15 kt. Seas 7 ft.
.WED...NW wind 15 kt. Seas 6 ft.
.THU...N wind 20 kt. Seas 7 ft.

$$

PKZ173-210045-
Nikolski to Seguam Island Bering Side-
323 AM AKDT Sun Jun 20 2021

...SMALL CRAFT ADVISORY THROUGH TONIGHT...

.TODAY...E wind 25 kt. Seas 7 ft.
.TONIGHT...E wind 25 kt. Seas 8 ft.
.MON...SE wind 20 kt. Seas 6 ft.
.MON NIGHT...S wind 15 kt. Seas 4 ft.
.TUE...E wind 20 kt. Seas 5 ft.
.WED THROUGH THU...NW wind 25 kt. Seas 9 ft.

$$

PKZ174-210045-
Nikolski to Seguam Island Pacific Side-
323 AM AKDT Sun Jun 20 2021

...SMALL CRAFT ADVISORY THROUGH MONDAY...

.TODAY...E wind 30 kt. Seas 8 ft.
.TONIGHT...E wind 25 kt. Seas 9 ft.
.MON...Variable wind 10 kt. Seas 9 ft.
.MON NIGHT...S wind 15 kt. Seas 8 ft.
.TUE...E wind 20 kt. Seas 7 ft.
.WED THROUGH THU...NW wind 25 kt. Seas 9 ft.

$$

PKZ175-210045-
Seguam Island to Adak Bering Side-
323 AM AKDT Sun Jun 20 2021

...SMALL CRAFT ADVISORY THROUGH TONIGHT...

.TODAY...E wind 30 kt. Seas 9 ft.
.TONIGHT...SE wind 25 kt. Seas 8 ft.
.MON...S wind 15 kt. Seas 5 ft.
.MON NIGHT...SE wind 15 kt. Seas 4 ft.
.TUE...NE wind 20 kt. Seas 5 ft.
.WED...NW wind 25 kt. Seas 6 ft.
.THU...NW wind 30 kt. Seas 9 ft.

$$

PKZ176-210045-
Seguam Island to Adak Pacific Side-
323 AM AKDT Sun Jun 20 2021

...SMALL CRAFT ADVISORY THROUGH MONDAY...

.TODAY...SE wind 30 kt. Seas 11 ft.
.TONIGHT...SW wind 15 kt. Seas 10 ft.
.MON...SW wind 15 kt. Seas 9 ft.
.MON NIGHT...S wind 15 kt. Seas 8 ft.
.TUE...NE wind 20 kt. Seas 7 ft.
.WED THROUGH THU...W wind 30 kt. Seas 8 ft.

$$

PKZ177-210045-
Adak to Kiska-
323 AM AKDT Sun Jun 20 2021

...SMALL CRAFT ADVISORY THROUGH MONDAY...

.TODAY...S wind 30 kt diminishing to 15 kt in the afternoon. Seas
11 ft.
.TONIGHT...S wind 20 kt. Seas 11 ft.
.MON...S wind 20 kt. Seas 10 ft.
.MON NIGHT...SE wind 15 kt. Seas 9 ft.
.TUE...NE wind 20 kt. Seas 7 ft.
.WED THROUGH THU...W wind 30 kt. Seas 8 ft.

$$

PKZ178-210045-
Kiska to Attu-
323 AM AKDT Sun Jun 20 2021

...SMALL CRAFT ADVISORY THROUGH MONDAY...

.TODAY...S wind 30 kt. Seas 13 ft.
.TONIGHT...SE wind 20 kt. Seas 12 ft. Rain.
.MON...E wind 25 kt. Seas 12 ft.
.MON NIGHT...NE wind 20 kt. Seas 8 ft.
.TUE...N wind 20 kt. Seas 7 ft.
.WED THROUGH THU...W wind 25 kt. Seas 8 ft.

$$

PKZ179-210045-
Pribilof Islands Near Shore Waters-
323 AM AKDT Sun Jun 20 2021

.TODAY...Variable wind 10 kt. Seas 2 ft.
.TONIGHT...Variable wind 10 kt. Seas 2 ft.
.MON...E wind 15 kt. Seas 4 ft.
.MON NIGHT...E wind 15 kt. Seas 4 ft.
.TUE...E wind 20 kt. Seas 5 ft.
.WED THROUGH THU...N wind 25 kt. Seas 7 ft.

$$

PKZ180-210045-
Kuskokwim Delta and Etolin Strait-
323 AM AKDT Sun Jun 20 2021

.TODAY...N wind 10 kt. Seas 2 ft.
.TONIGHT...W wind 10 kt in the evening becoming variable less than
10 kt. Seas 2 ft.
.MON...Variable wind less than 10 kt. Seas 2 ft.
.MON NIGHT...SE wind 10 kt. Seas 2 ft.
.TUE...E wind 20 kt. Seas 5 ft.
.WED THROUGH THU...E wind 25 kt. Seas 7 ft.

$$

PKZ181-210045-
North and West of Nunivak Island-
323 AM AKDT Sun Jun 20 2021

.TODAY...N wind 15 kt. Seas 2 ft.
.TONIGHT...N wind 15 kt. Seas 2 ft.
.MON...Variable wind 10 kt. Seas 2 ft.
.MON NIGHT...Variable wind 10 kt. Seas 2 ft.
.TUE...Variable wind 10 kt. Seas 3 ft.
.WED...N wind 25 kt. Seas 5 ft.
.THU...NE wind 20 kt. Seas 5 ft.

$$

PKZ185-210045-
Saint Matthew Island Waters-
323 AM AKDT Sun Jun 20 2021

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

$$

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

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