Small Craft Advisory 309, NWS Anchorage, AK

Issued

Apr 15, 2021, 3:46 PM AKDT (23:46 UTC)

Expired

Apr 16, 2021, 3:45 PM AKDT

In force

24 hr

Issued by

NWS Anchorage, AK

430 
FZAK51 PAFC 152346
CWFAER

Coastal Waters Forecast
National Weather Service Anchorage Alaska
346 PM AKDT Thu Apr 15 2021

Coastal Waters Forecast for the Northern Gulf of Alaska Coast
up to 100 nm out including Kodiak Island and Cook Inlet.

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.

PKZ197-161215-
346 PM AKDT Thu Apr 15 2021
.SYNOPSIS FOR THE NORTH GULF COAST+KODIAK ISLAND WATERS+
COOK INLET...

A 1019 mb low 130 nm south of Kodiak City Thu morning moves south
out of the Gulf by Fri morning. High pressure will dominate the 
Gulf Friday and Saturday.

$$

PKZ119-161215-
Cape Suckling to Cape Cleare-
346 PM AKDT Thu Apr 15 2021

.TONIGHT...Variable wind 10 kt. Seas 5 ft.
.FRI...N wind 10 kt. Seas 4 ft.
.FRI NIGHT...Variable wind 10 kt. Gusts to 25 kt out of the Copper 
River Delta. Seas 3 ft.
.SAT...Variable wind 10 kt. Seas 3 ft.
.SAT NIGHT...NE wind 20 kt. Seas 2 ft.
.SUN...E wind 20 kt. Seas 4 ft.
.MON...E wind 15 kt. Seas 10 ft.
.TUE...Variable wind 10 kt. Seas 9 ft.

$$

PKZ120-161215-
Cape Cleare to Gore Point-
346 PM AKDT Thu Apr 15 2021

.TONIGHT...E wind 15 kt. Seas 6 ft.
.FRI...Variable wind 10 kt. Seas 4 ft.
.FRI NIGHT...Variable wind 10 kt. Seas 3 ft.
.SAT...Variable wind 10 kt. Seas 2 ft.
.SAT NIGHT...NE wind 25 kt. Seas 3 ft.
.SUN...NE wind 25 kt. Seas 5 ft.
.MON...E wind 20 kt. Seas 11 ft.
.TUE...E wind 15 kt. Seas 10 ft.

$$

PKZ121-161215-
Resurrection Bay-
346 PM AKDT Thu Apr 15 2021

.TONIGHT...Variable wind less than 10 kt. Seas 2 ft. Rain.
.FRI...N wind 10 kt in the morning becoming variable less than
10 kt. Seas 2 ft.
.FRI NIGHT...N wind 10 kt. Seas 2 ft.
.SAT AND SAT NIGHT...N wind 10 kt. Seas 2 ft.
.SUN THROUGH MON...N wind 20 kt. Seas 4 ft.
.TUE...N wind 10 kt. Seas 2 ft.

$$

PKZ125-161215-
Prince William Sound-
346 PM AKDT Thu Apr 15 2021

.TONIGHT...NE wind 10 kt. Seas 2 ft.
.FRI...NW wind 10 kt. Seas 2 ft.
.FRI NIGHT...NW wind 10 kt. Seas 2 ft.
.SAT AND SAT NIGHT...N wind 10 kt. Seas 2 ft.
.SUN THROUGH MON...NE wind 10 kt. Seas 2 ft.
.TUE...Variable wind less than 10 kt. Seas 2 ft.

$$

PKZ126-161215-
Port Valdez-
346 PM AKDT Thu Apr 15 2021

.TONIGHT...Variable wind less than 10 kt becoming E 10 kt after
midnight. Seas 2 ft.
.FRI...NE wind 10 kt becoming E 15 kt in the afternoon. Seas 3 ft.
.FRI NIGHT...E wind 15 kt. Seas 3 ft.
.SAT...E wind 15 kt. Seas 3 ft.
.SAT NIGHT...E wind 10 kt. Seas 2 ft.
.SUN THROUGH MON...E wind 10 kt. Seas 2 ft.
.TUE...Variable wind less than 10 kt. Seas 2 ft.

$$

PKZ127-161215-
Valdez Narrows-
346 PM AKDT Thu Apr 15 2021

...SMALL CRAFT ADVISORY FRIDAY NIGHT...

.TONIGHT...NE wind 10 kt increasing to 15 kt after midnight. Seas
3 ft.
.FRI...NE wind 15 kt. Seas 3 ft.
.FRI NIGHT...N wind 25 kt. Seas 3 ft.
.SAT...N wind 25 kt. Seas 3 ft.
.SAT NIGHT...N wind 20 kt. Seas 3 ft.
.SUN THROUGH MON...N wind 20 kt. Seas 3 ft.
.TUE...NE wind 15 kt. Seas 3 ft.

$$

PKZ128-161215-
Valdez Arm-
346 PM AKDT Thu Apr 15 2021

.TONIGHT...NE wind 10 kt increasing to 15 kt after midnight. Seas
3 ft.
.FRI...NE wind 15 kt becoming N 10 kt in the afternoon. Seas 3 ft.
.FRI NIGHT...N wind 20 kt. Seas 4 ft.
.SAT...N wind 20 kt. Seas 4 ft.
.SAT NIGHT...N wind 15 kt. Seas 3 ft.
.SUN THROUGH TUE...NE wind 15 kt. Seas 3 ft.

$$

PKZ129-161215-
Passage Canal-
346 PM AKDT Thu Apr 15 2021

.TONIGHT...Variable wind less than 10 kt. Seas 2 ft. Rain.
.FRI...W wind 10 kt. Seas 2 ft.
.FRI NIGHT...Variable wind less than 10 kt. Seas 2 ft.
.SAT...Variable wind less than 10 kt. Seas 2 ft.
.SAT NIGHT...Variable wind less than 10 kt. Seas 2 ft.
.SUN THROUGH MON...E wind 10 kt. Seas 2 ft.
.TUE...Variable wind less than 10 kt. Seas 2 ft.

$$

PKZ130-161215-
West of Barren Islands including Kamishak Bay-
346 PM AKDT Thu Apr 15 2021

.TONIGHT...NE wind 15 kt. Seas 4 ft.
.FRI...NW wind 15 kt. Seas 4 ft.
.FRI NIGHT...N wind 20 kt. Seas 5 ft.
.SAT AND SAT NIGHT...N wind 20 kt. Seas 6 ft.
.SUN THROUGH MON...E wind 20 kt. Seas 6 ft.
.TUE...E wind 25 kt. Seas 5 ft.

$$

PKZ131-161215-
Barren Islands East-
346 PM AKDT Thu Apr 15 2021

.TONIGHT...E wind 10 kt. Seas 6 ft.
.FRI...Variable wind 10 kt. Seas 5 ft.
.FRI NIGHT...Variable wind 10 kt. Seas 3 ft.
.SAT...Variable wind 10 kt. Seas 3 ft.
.SAT NIGHT...NE wind 25 kt. Seas 3 ft.
.SUN...NE wind 30 kt. Seas 7 ft.
.MON THROUGH TUE...E wind 25 kt. Seas 11 ft.

$$

PKZ132-161215-
Marmot Island to Sitkinak-
346 PM AKDT Thu Apr 15 2021

...SMALL CRAFT ADVISORY FRIDAY NIGHT...

.TONIGHT...E wind 15 kt. Seas 6 ft.
.FRI...NE wind 20 kt. Seas 5 ft.
.FRI NIGHT...NE wind 25 kt. Seas 7 ft.
.SAT AND SAT NIGHT...NE wind 25 kt. Seas 8 ft.
.SUN...NE wind 30 kt. Seas 11 ft.
.MON...E wind 30 kt. Seas 16 ft.
.TUE...E wind 30 kt. Seas 11 ft.

$$

PKZ136-161215-
Chiniak Bay-
346 PM AKDT Thu Apr 15 2021

.TONIGHT...NE wind 10 kt. Seas 3 ft.
.FRI...NE wind 10 kt. Seas 3 ft.
.FRI NIGHT...NE wind 10 kt. Seas 3 ft.
.SAT...N wind 10 kt. Seas 3 ft.
.SAT NIGHT...N wind 15 kt. Seas 3 ft.
.SUN...NE wind 20 kt. Seas 4 ft.
.MON THROUGH TUE...E wind 20 kt. Seas 7 ft.

$$

PKZ137-161215-
Marmot Bay-
346 PM AKDT Thu Apr 15 2021

.TONIGHT...E wind 10 kt. Seas 3 ft.
.FRI...NE wind 10 kt. Seas 3 ft.
.FRI NIGHT...NE wind 10 kt in the evening becoming variable less
than 10 kt. Seas 3 ft.
.SAT...N wind 10 kt. Seas 3 ft.
.SAT NIGHT...NE wind 15 kt. Seas 4 ft.
.SUN...NE wind 15 kt. Seas 4 ft.
.MON THROUGH TUE...E wind 20 kt. Seas 6 ft.

$$

PKZ138-161215-
Shelikof Strait-
346 PM AKDT Thu Apr 15 2021

...SMALL CRAFT ADVISORY FRIDAY NIGHT...

.TONIGHT...NE wind 20 kt. Seas 6 ft.
.FRI...NE wind 20 kt. Seas 5 ft.
.FRI NIGHT...NE wind 25 kt. Seas 6 ft.
.SAT...NE wind 25 kt. Seas 7 ft.
.SAT NIGHT...NE wind 30 kt. Seas 8 ft.
.SUN...NE wind 30 kt. Seas 9 ft.
.MON THROUGH TUE...NE wind 25 kt. Seas 6 ft.

$$

PKZ139-161215-
Cook Inlet Kalgin Island to Point Bede-
346 PM AKDT Thu Apr 15 2021

.TONIGHT...N wind 15 kt diminishing to 10 kt after midnight. Seas
4 ft subsiding to 2 ft after midnight.
.FRI...N wind 15 kt. Seas 4 ft.
.FRI NIGHT...N wind 20 kt. Seas 5 ft.
.SAT AND SAT NIGHT...N wind 20 kt. Seas 5 ft.
.SUN...N wind 20 kt. Seas 5 ft.
.MON...N wind 15 kt. Seas 3 ft.
.TUE...NE wind 10 kt. Seas 3 ft.

$$

PKZ140-161215-
Cook Inlet North of Kalgin Island-
346 PM AKDT Thu Apr 15 2021

.TONIGHT...N wind 15 kt diminishing to 10 kt after midnight. Seas
3 ft.
.FRI...N wind 10 kt. Seas 1 ft.
.FRI NIGHT...N wind 10 kt. Seas 2 ft.
.SAT AND SAT NIGHT...N wind 10 kt. Seas 2 ft.
.SUN...N wind 15 kt. Seas 3 ft.
.MON THROUGH TUE...NW wind 10 kt. Seas 3 ft.

$$

PKZ141-161215-
Kachemak Bay-
346 PM AKDT Thu Apr 15 2021

.TONIGHT...Variable wind less than 10 kt. Seas 2 ft.
.FRI...Variable wind less than 10 kt. Seas 2 ft.
.FRI NIGHT...Variable wind less than 10 kt. Seas 2 ft.
.SAT AND SAT NIGHT...NE wind 10 kt. Seas 2 ft.
.SUN...NE wind 15 kt. Seas 3 ft.
.MON THROUGH TUE...E wind 10 kt. Seas 2 ft.

$$

055 
FZAK51 PAFC 161109
CWFAER

Coastal Waters Forecast
National Weather Service Anchorage Alaska
309 AM AKDT Fri Apr 16 2021

Coastal Waters Forecast for the Northern Gulf of Alaska Coast
up to 100 nm out including Kodiak Island and Cook Inlet.

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.

PKZ197-162345-
309 AM AKDT Fri Apr 16 2021
.SYNOPSIS FOR THE NORTH GULF COAST+KODIAK ISLAND WATERS+
COOK INLET...

A trough moves across the southern Gulf Friday and towards Kodiak
Island Friday night and into the AKPEN by Saturday. High pressure
will dominate the northern Gulf through Sunday. 

$$

PKZ119-162345-
Cape Suckling to Cape Cleare-
309 AM AKDT Fri Apr 16 2021

.TODAY...Variable wind 10 kt. Seas 4 ft.
.TONIGHT...Variable wind 10 kt. Seas 3 ft.
.SAT...Variable wind 10 kt. Seas 3 ft.
.SAT NIGHT...NE wind 20 kt. Seas 3 ft.
.SUN...NE wind 20 kt. Seas 4 ft.
.MON...SE wind 20 kt. Seas 11 ft.
.TUE...W wind 15 kt. Seas 11 ft.

$$

PKZ120-162345-
Cape Cleare to Gore Point-
309 AM AKDT Fri Apr 16 2021

.TODAY...Variable wind 10 kt. Seas 4 ft.
.TONIGHT...Variable wind 10 kt. Seas 3 ft.
.SAT...Variable wind 10 kt. Seas 2 ft.
.SAT NIGHT...NE wind 20 kt. Seas 3 ft.
.SUN...NE wind 25 kt. Seas 5 ft.
.MON...E wind 25 kt. Seas 11 ft.
.TUE...Variable wind 10 kt. Seas 11 ft.

$$

PKZ121-162345-
Resurrection Bay-
309 AM AKDT Fri Apr 16 2021

.TODAY...N wind 10 kt in the morning becoming variable less than
10 kt. Seas 2 ft.
.TONIGHT...N wind 10 kt. Seas 2 ft.
.SAT...N wind 10 kt. Seas 2 ft.
.SAT NIGHT...N wind 10 kt. Seas 2 ft.
.SUN...N wind 20 kt. Seas 4 ft.
.MON...N wind 15 kt. Seas 3 ft.
.TUE...N wind 10 kt. Seas 2 ft.

$$

PKZ125-162345-
Prince William Sound-
309 AM AKDT Fri Apr 16 2021

.TODAY...NW wind 10 kt. Seas 2 ft.
.TONIGHT...Variable wind less than 10 kt becoming NW 10 kt after
midnight. Seas 2 ft.
.SAT...NW wind 10 kt. Seas 2 ft.
.SAT NIGHT...N wind 10 kt. Seas 2 ft.
.SUN THROUGH MON...NE wind 10 kt. Seas 2 ft.
.TUE...W wind 10 kt. Seas 2 ft.

$$

PKZ126-162345-
Port Valdez-
309 AM AKDT Fri Apr 16 2021

.TODAY...Variable wind less than 10 kt becoming E 15 kt in the 
afternoon. Seas 3 ft.
.TONIGHT...E wind 15 kt. Seas 3 ft.
.SAT...E wind 15 kt. Seas 3 ft.
.SAT NIGHT...E wind 10 kt. Seas 2 ft.
.SUN THROUGH TUE...E wind 10 kt. Seas 2 ft.

$$

PKZ127-162345-
Valdez Narrows-
309 AM AKDT Fri Apr 16 2021

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

.TODAY...NE wind 20 kt. Seas 3 ft.
.TONIGHT...N wind 25 kt. Seas 3 ft.
.SAT...N wind 25 kt. Seas 3 ft.
.SAT NIGHT...N wind 20 kt. Seas 3 ft.
.SUN...N wind 20 kt. Seas 3 ft.
.MON THROUGH TUE...NE wind 15 kt. Seas 3 ft.

$$

PKZ128-162345-
Valdez Arm-
309 AM AKDT Fri Apr 16 2021

.TODAY...NE wind 10 kt. Seas 3 ft.
.TONIGHT...N wind 10 kt in the evening increasing to 20 kt. Seas 4 
ft.
.SAT...N wind 20 kt. Seas 4 ft.
.SAT NIGHT...N wind 20 kt. Seas 4 ft.
.SUN...N wind 15 kt. Seas 3 ft.
.MON THROUGH TUE...N wind 10 kt. Seas 2 ft.

$$

PKZ129-162345-
Passage Canal-
309 AM AKDT Fri Apr 16 2021

.TODAY...W wind 10 kt. Seas 2 ft.
.TONIGHT...Variable wind less than 10 kt. Seas 2 ft.
.SAT...Variable wind less than 10 kt. Seas 2 ft.
.SAT NIGHT...Variable wind less than 10 kt. Seas 2 ft.
.SUN THROUGH MON...E wind 10 kt. Seas 2 ft.
.TUE...W wind 10 kt. Seas 2 ft.

$$

PKZ130-162345-
West of Barren Islands including Kamishak Bay-
309 AM AKDT Fri Apr 16 2021

.TODAY...NW wind 15 kt. Seas 4 ft.
.TONIGHT...N wind 15 kt. Seas 4 ft.
.SAT...NE wind 20 kt. Seas 6 ft.
.SAT NIGHT...N wind 20 kt. Seas 5 ft.
.SUN...NE wind 25 kt. Seas 6 ft.
.MON...E wind 20 kt. Seas 4 ft.
.TUE...E wind 15 kt. Seas 4 ft.

$$

PKZ131-162345-
Barren Islands East-
309 AM AKDT Fri Apr 16 2021

.TODAY...Variable wind 10 kt. Seas 5 ft.
.TONIGHT...NE wind 15 kt. Seas 3 ft.
.SAT...Variable wind 10 kt. Seas 3 ft.
.SAT NIGHT...NE wind 25 kt. Seas 3 ft.
.SUN...NE wind 30 kt. Seas 7 ft.
.MON...E wind 30 kt. Seas 12 ft.
.TUE...E wind 15 kt. Seas 11 ft.

$$

PKZ132-162345-
Marmot Island to Sitkinak-
309 AM AKDT Fri Apr 16 2021

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

.TODAY...NE wind 20 kt. Seas 5 ft.
.TONIGHT...NE wind 25 kt. Seas 6 ft.
.SAT...NE wind 25 kt. Seas 5 ft.
.SAT NIGHT...NE wind 25 kt. Seas 5 ft.
.SUN...NE wind 35 kt. Seas 9 ft.
.MON THROUGH TUE...E wind 30 kt. Seas 12 ft.

$$

PKZ136-162345-
Chiniak Bay-
309 AM AKDT Fri Apr 16 2021

.TODAY...NE wind 10 kt. Seas 3 ft.
.TONIGHT...NE wind 10 kt increasing to 15 kt after midnight. Seas
3 ft.
.SAT...NE wind 15 kt diminishing to 10 kt in the afternoon. Seas
3 ft.
.SAT NIGHT...N wind 15 kt. Seas 3 ft.
.SUN...NE wind 20 kt. Seas 6 ft.
.MON...E wind 20 kt. Seas 6 ft.
.TUE...E wind 15 kt. Seas 4 ft.

$$

PKZ137-162345-
Marmot Bay-
309 AM AKDT Fri Apr 16 2021

.TODAY...NE wind 10 kt. Seas 3 ft.
.TONIGHT...NE wind 10 kt increasing to 15 kt after midnight. Seas
3 ft.
.SAT...NE wind 10 kt in the morning becoming variable less than
10 kt. Seas 3 ft.
.SAT NIGHT...NE wind 15 kt. Seas 4 ft.
.SUN THROUGH MON...E wind 20 kt. Seas 5 ft.
.TUE...E wind 15 kt. Seas 4 ft.

$$

PKZ138-162345-
Shelikof Strait-
309 AM AKDT Fri Apr 16 2021

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

.TODAY...NE wind 20 kt. Seas 5 ft.
.TONIGHT...NE wind 25 kt. Seas 7 ft.
.SAT...NE wind 25 kt. Seas 7 ft.
.SAT NIGHT...NE wind 30 kt. Seas 8 ft.
.SUN...NE wind 35 kt. Seas 9 ft.
.MON...NE wind 35 kt. Seas 5 ft.
.TUE...NE wind 25 kt. Seas 5 ft.

$$

PKZ139-162345-
Cook Inlet Kalgin Island to Point Bede-
309 AM AKDT Fri Apr 16 2021

.TODAY...N wind 15 kt. Seas 4 ft.
.TONIGHT...N wind 20 kt. Seas 4 ft.
.SAT...N wind 20 kt. Seas 5 ft.
.SAT NIGHT...N wind 20 kt. Seas 4 ft.
.SUN...N wind 25 kt. Seas 5 ft.
.MON...NE wind 20 kt. Seas 4 ft.
.TUE...NE wind 10 kt. Seas 2 ft.

$$

PKZ140-162345-
Cook Inlet North of Kalgin Island-
309 AM AKDT Fri Apr 16 2021

.TODAY...NE wind 10 kt. Seas 2 ft.
.TONIGHT...N wind 10 kt. Seas 2 ft.
.SAT...NE wind 10 kt. Seas 2 ft.
.SAT NIGHT...N wind 15 kt. Seas 2 ft.
.SUN THROUGH MON...N wind 15 kt. Seas 3 ft.
.TUE...W wind 10 kt. Seas 2 ft.

$$

PKZ141-162345-
Kachemak Bay-
309 AM AKDT Fri Apr 16 2021

.TODAY...Variable wind less than 10 kt. Seas 2 ft.
.TONIGHT...Variable wind less than 10 kt. Seas 2 ft.
.SAT...Variable wind less than 10 kt. Seas 2 ft.
.SAT NIGHT...NE wind 10 kt. Seas 2 ft.
.SUN...NE wind 15 kt. Seas 2 ft.
.MON...E wind 10 kt. Seas 2 ft.
.TUE...Variable wind less than 10 kt. Seas 2 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.