Small Craft Advisory 642, NWS Anchorage, AK

Issued

Aug 15, 2021, 2:45 PM AKDT (22:45 UTC)

Expired

Aug 16, 2021, 3:30 AM AKDT

In force

13 hr

Issued by

NWS Anchorage, AK

111 
FZAK51 PAFC 152245
CWFAER

Coastal Waters Forecast
National Weather Service Anchorage Alaska
245 PM AKDT Sun Aug 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.

PKZ197-161130-
245 PM AKDT Sun Aug 15 2021
.SYNOPSIS FOR THE NORTH GULF COAST+KODIAK ISLAND WATERS+
COOK INLET...

A weak trough elongates across the Northern Gulf through Tues 
afternoon. The front transits into the Northern Gulf trough Tues 
afternoon. A 1004 mb low forms 50 nm east of Chignik Mon afternoon 
and moves to 35 nm south of Montague Island Tues afternoon.

$$

PKZ119-161130-
Cape Suckling to Cape Cleare-
245 PM AKDT Sun Aug 15 2021

.TONIGHT...W wind 15 kt. Seas 6 ft.
.MON...S wind 15 kt. Seas 5 ft.
.MON NIGHT...S wind 20 kt. Seas 5 ft. Rain.
.TUE...SE wind 30 kt. Seas 9 ft.
.TUE NIGHT...NW wind 20 kt. Seas 8 ft.
.WED...SW wind 15 kt. Seas 7 ft.
.THU THROUGH FRI...SW wind 15 kt. Seas 7 ft.

$$

PKZ120-161130-
Cape Cleare to Gore Point-
245 PM AKDT Sun Aug 15 2021

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

.TONIGHT...W wind 25 kt. Seas 8 ft.
.MON...W wind 25 kt. Seas 7 ft.
.MON NIGHT...S wind 15 kt becoming SE 25 kt after midnight. Seas
6 ft. Rain.
.TUE...NE wind 25 kt. Seas 8 ft.
.TUE NIGHT...W wind 20 kt. Seas 8 ft.
.WED THROUGH THU...S wind 15 kt. Seas 7 ft.
.FRI...W wind 15 kt. Seas 7 ft.

$$

PKZ121-161130-
Resurrection Bay-
245 PM AKDT Sun Aug 15 2021

.TONIGHT...N wind 10 kt. Seas 2 ft.
.MON...Variable wind 10 kt becoming S in the afternoon. Seas 2 ft.
.MON NIGHT...S wind 10 kt in the evening becoming variable less
than 10 kt. Seas 2 ft. Rain.
.TUE AND TUE NIGHT...N wind 10 kt. Seas 2 ft.
.WED...Variable wind 15 kt. Seas 3 ft.
.THU...Variable wind 10 kt. Seas 2 ft.
.FRI...N wind 10 kt. Seas 2 ft.

$$

PKZ125-161130-
Prince William Sound-
245 PM AKDT Sun Aug 15 2021

.TONIGHT...SW wind 10 kt becoming E after midnight. Seas 2 ft.
.MON...E wind 15 kt. Seas 3 ft.
.MON NIGHT...E wind 15 kt. Seas 3 ft. Rain.
.TUE...NE wind 20 kt. Seas 4 ft.
.TUE NIGHT...NW wind 15 kt. Seas 2 ft.
.WED...SW wind 10 kt. Seas 2 ft.
.THU...E wind 10 kt. Seas 2 ft.
.FRI...Variable wind less than 10 kt. Seas 2 ft.

$$

PKZ126-161130-
Port Valdez-
245 PM AKDT Sun Aug 15 2021

.TONIGHT...SW wind 10 kt. Seas 2 ft.
.MON...Variable wind less than 10 kt becoming E wind 10 kt in the
afternoon. Seas 2 ft.
.MON NIGHT...SW wind 10 kt becoming E after midnight. Seas 2 ft.
Rain.
.TUE...NE wind 10 kt. Seas 2 ft.
.TUE NIGHT...Variable wind less than 10 kt. Seas 2 ft.
.WED THROUGH THU...Variable wind less than 10 kt. Seas 2 ft.
.FRI...Variable wind less than 10 kt. Seas 2 ft.

$$

PKZ127-161130-
Valdez Narrows-
245 PM AKDT Sun Aug 15 2021

.TONIGHT...SW wind 15 kt becoming SW wind 10 kt after midnight.
Seas 3 ft.
.MON...Variable wind less than 10 kt becoming SW wind 20 kt in the
afternoon. Seas 3 ft.
.MON NIGHT...SW wind 20 kt becoming N 15 kt after midnight. Seas
3 ft. Rain.
.TUE AND TUE NIGHT...N wind 15 kt. Seas 3 ft.
.WED...NE wind 10 kt. Seas 2 ft.
.THU THROUGH FRI...Variable wind 10 kt. Seas 2 ft.

$$

PKZ128-161130-
Valdez Arm-
245 PM AKDT Sun Aug 15 2021

.TONIGHT...SW wind 10 kt. Seas 2 ft.
.MON...NE wind 10 kt. Seas 2 ft.
.MON NIGHT...SW wind 10 kt becoming NE 15 kt after midnight. Seas
3 ft. Rain.
.TUE AND TUE NIGHT...NE wind 10 kt. Seas 2 ft.
.WED...Variable wind 10 kt. Seas 2 ft.
.THU THROUGH FRI...Variable wind 10 kt. Seas 2 ft.

$$

PKZ129-161130-
Passage Canal-
245 PM AKDT Sun Aug 15 2021

.TONIGHT...W wind 10 kt. Seas 2 ft.
.MON...E wind 10 kt. Seas 2 ft.
.MON NIGHT...E wind 15 kt. Seas 2 ft. Rain.
.TUE...E wind 10 kt. Seas 2 ft.
.TUE NIGHT...W wind 15 kt. Seas 2 ft.
.WED...E wind 15 kt. Seas 2 ft.
.THU...E wind 10 kt. Seas 2 ft.
.FRI...Variable wind less than 10 kt. Seas 2 ft.

$$

PKZ130-161130-
West of Barren Islands including Kamishak Bay-
245 PM AKDT Sun Aug 15 2021

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

.TONIGHT...W wind 25 kt. Seas 8 ft.
.MON...W wind 20 kt. Seas 6 ft.
.MON NIGHT...SE wind 25 kt. Seas 7 ft.
.TUE AND TUE NIGHT...W wind 15 kt. Seas 4 ft.
.WED THROUGH THU...S wind 15 kt. Seas 4 ft.
.FRI...W wind 20 kt. Seas 5 ft.

$$

PKZ131-161130-
Barren Islands East-
245 PM AKDT Sun Aug 15 2021

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

.TONIGHT...W wind 25 kt. Seas 8 ft.
.MON...W wind 20 kt. Seas 6 ft.
.MON NIGHT...S wind 20 kt becoming SE 30 kt after midnight. Seas
6 ft. Rain.
.TUE...N wind 30 kt. Seas 8 ft.
.TUE NIGHT...W wind 20 kt. Seas 7 ft.
.WED THROUGH THU...S wind 15 kt. Seas 6 ft.
.FRI...W wind 15 kt. Seas 10 ft.

$$

PKZ132-161130-
Marmot Island to Sitkinak-
245 PM AKDT Sun Aug 15 2021

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

.TONIGHT...W wind 25 kt. Seas 8 ft.
.MON...SW wind 20 kt. Seas 6 ft.
.MON NIGHT...S wind 30 kt. Seas 11 ft. Rain.
.TUE...W wind 25 kt. Seas 8 ft.
.TUE NIGHT...W wind 15 kt. Seas 7 ft.
.WED...SW wind 15 kt. Seas 7 ft.
.THU...SW wind 20 kt. Seas 8 ft.
.FRI...SW wind 15 kt. Seas 6 ft.

$$

PKZ136-161130-
Chiniak Bay-
245 PM AKDT Sun Aug 15 2021

.TONIGHT...W wind 10 kt. Seas 2 ft.
.MON...Variable wind less than 10 kt becoming SE 10 kt in the
afternoon. Seas 3 ft.
.MON NIGHT...S wind 20 kt. Seas 4 ft. Rain.
.TUE...NW wind 20 kt. Seas 4 ft.
.TUE NIGHT...Variable wind less than 10 kt. Seas 2 ft.
.WED THROUGH FRI...SW wind 10 kt. Seas 2 ft.

$$

PKZ137-161130-
Marmot Bay-
245 PM AKDT Sun Aug 15 2021

.TONIGHT...W wind 20 kt. Seas 3 ft.
.MON...W wind 15 kt in the morning becoming variable less than
10 kt. Seas 3 ft.
.MON NIGHT...E wind 20 kt. Seas 3 ft building to 7 ft after
midnight. Rain.
.TUE...NW wind 15 kt. Seas 4 ft.
.TUE NIGHT...W wind 10 kt. Seas 2 ft.
.WED THROUGH FRI...W wind 10 kt. Seas 3 ft.

$$

PKZ138-161130-
Shelikof Strait-
245 PM AKDT Sun Aug 15 2021

...SMALL CRAFT ADVISORY TONIGHT...

.TONIGHT...W wind 25 kt. Seas 6 ft.
.MON...SW wind 20 kt. Seas 5 ft.
.MON NIGHT...S wind 20 kt becoming NE after midnight. Seas 5 ft.
Rain.
.TUE...NW wind 20 kt. Seas 5 ft.
.TUE NIGHT...Variable wind 10 kt. Seas 3 ft.
.WED...SW wind 15 kt. Seas 3 ft.
.THU...SW wind 20 kt. Seas 4 ft.
.FRI...W wind 15 kt. Seas 3 ft.

$$

PKZ139-161130-
Cook Inlet Kalgin Island to Point Bede-
245 PM AKDT Sun Aug 15 2021

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

.TONIGHT...SW wind 25 kt. Seas 6 ft.
.MON...S wind 25 kt. Seas 6 ft.
.MON NIGHT...S wind 25 kt becoming SW 15 kt after midnight. Seas
5 ft subsiding to 3 ft after midnight.
.TUE...W wind 15 kt. Seas 3 ft.
.TUE NIGHT...SW wind 10 kt. Seas 3 ft.
.WED...S wind 10 kt. Seas 3 ft.
.THU...S wind 15 kt. Seas 3 ft.
.FRI...SW wind 15 kt. Seas 3 ft.

$$

PKZ140-161130-
Cook Inlet North of Kalgin Island-
245 PM AKDT Sun Aug 15 2021

...SMALL CRAFT ADVISORY MONDAY NIGHT...

.TONIGHT...S wind 15 kt. Seas 5 ft subsiding to 3 ft after
midnight.
.MON...S wind 20 kt. Seas 5 ft.
.MON NIGHT...SW wind 25 kt becoming S 15 kt after midnight. Seas
6 ft subsiding to 3 ft after midnight.
.TUE...SE wind 10 kt. Seas 2 ft.
.TUE NIGHT...SW wind 10 kt. Seas 3 ft.
.WED...SW wind 10 kt. Seas 3 ft.
.THU THROUGH FRI...SW wind 15 kt. Seas 3 ft.

$$

PKZ141-161130-
Kachemak Bay-
245 PM AKDT Sun Aug 15 2021

.TONIGHT...SW wind 20 kt. Seas 4 ft.
.MON...SW wind 15 kt. Seas 4 ft subsiding to 2 ft in the
afternoon.
.MON NIGHT...S wind 20 kt becoming E 10 kt after midnight. Seas
3 ft. Rain.
.TUE...NW wind 10 kt. Seas 2 ft.
.TUE NIGHT...Variable wind less than 10 kt. Seas 2 ft.
.WED...Variable wind less than 10 kt. Seas 2 ft.
.THU...SE wind 10 kt. Seas 2 ft.
.FRI...SW wind 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.