Alert archive / Alaska / Gale Warnings in 2017

Gale Warning 392, NWS Anchorage, AK

August 24, 2017

NWS Anchorage, AK issued this gale warning at Aug 24, 2017, 4:08 AM AKDT. It was in force for 24 hr. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Aug 24, 2017, 4:08 AM AKDT (12:08 UTC)
Expired
Aug 25, 2017, 4:03 AM AKDT
In force
24 hr
Issued by
NWS Anchorage, AK

The text

As transmitted.

594 
FZAK51 PAFC 241208
CWFAER

Coastal Waters Forecast
National Weather Service Anchorage Alaska
408 AM AKDT Thu Aug 24 2017

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.

PKZ197-250045-
408 AM AKDT Thu Aug 24 2017
.SYNOPSIS FOR THE NORTH GULF COAST+KODIAK ISLAND WATERS+
COOK INLET...

A front will continue to move north across the Gulf of Alaska on 
Thursday morning located along a line between the southern tip of
the Kenai Peninsula and the southern Gulf of Alaska. The front 
will strengthen to gale force by Thursday night and will be 
located along a line between the southern Prince William Sound and
a point 130nm south of Yakutat. A 987 mb low enters the Gulf of
Alaska by Friday morning centered over Kodiak Island.

$$

PKZ119-250045-
Cape Suckling to Cape Cleare-
408 AM AKDT Thu Aug 24 2017

...GALE WARNING THROUGH TONIGHT...

.TODAY...SE wind 35 kt. Seas 11 ft. Widespread rain showers.
.TONIGHT...S wind 25 kt diminishing to 15 kt after midnight. Near
the coast, E wind 40 kt diminishing to 30 kt after midnight. Seas
11 ft. Widespread rain showers.
.FRI...SE wind 25 kt. Seas 8 ft. Rain showers.
.FRI NIGHT...SE wind 20 kt. Seas 8 ft.
.SAT...E wind 20 kt. Seas 7 ft.
.SUN...E wind 25 kt. Seas 7 ft.
.MON...E wind 30 kt. Seas 15 ft.

$$

PKZ120-250045-
Cape Cleare to Gore Point-
408 AM AKDT Thu Aug 24 2017

...SMALL CRAFT ADVISORY TODAY...

.TODAY...SE wind 30 kt. Seas 8 ft. Widespread rain showers.
.TONIGHT...SE wind 15 kt. Seas 7 ft. Widespread rain showers.
.FRI...E wind 15 kt. Seas 7 ft. Rain showers.
.FRI NIGHT...E wind 15 kt. Seas 7 ft.
.SAT...NE wind 15 kt. Seas 6 ft.
.SUN...E wind 20 kt. Seas 5 ft.
.MON...E wind 30 kt. Seas 14 ft.

$$

PKZ121-250045-
Resurrection Bay-
408 AM AKDT Thu Aug 24 2017

.TODAY...S wind 15 kt with gusts to 25 kt diminishing to 10 kt in 
the afternoon. Seas 3 ft. Higher winds and S of Caines Head. Rain.
.TONIGHT...Variable wind less than 10 kt. Seas 2 ft. Higher S of
Caines Head. Rain.
.FRI...Variable wind less than 10 kt. Seas 2 ft. Higher winds and
S of Caines Head. Rain showers.
.FRI NIGHT...N wind 10 kt. Seas 2 ft.
.SAT THROUGH MON...N wind 10 kt. Seas 2 ft.

$$

PKZ125-250045-
Prince William Sound-
408 AM AKDT Thu Aug 24 2017

...GALE WARNING TODAY...

.TODAY...E wind 35 kt with gusts to 45 kt in the afternoon. Seas 7 
ft. Rain.
.TONIGHT...E wind 30 kt. Seas 7 ft. Rain.
.FRI...E wind 20 kt. Seas 4 ft. Rain showers.
.FRI NIGHT...E wind 15 kt. Seas 3 ft.
.SAT...NE wind 15 kt. Seas 3 ft.
.SUN...E wind 10 kt. Seas 2 ft.
.MON...E wind 20 kt. Seas 3 ft.

$$

PKZ126-250045-
Port Valdez-
408 AM AKDT Thu Aug 24 2017

.TODAY...Variable wind less than 10 kt. Seas 2 ft. Rain.
.TONIGHT...NE wind 10 kt. Seas 2 ft. Rain.
.FRI...Variable wind less than 10 kt. Seas 2 ft. Rain showers.
.FRI NIGHT...Variable wind less than 10 kt. Seas 2 ft.
.SAT...Variable wind less than 10 kt. Seas 2 ft.
.SUN THROUGH MON...NE wind 10 kt. Seas 2 ft.

$$

PKZ127-250045-
Valdez Narrows-
408 AM AKDT Thu Aug 24 2017

.TODAY...NE wind 15 kt. Seas 3 ft. Rain.
.TONIGHT...NE wind 15 kt. Seas 3 ft. Rain.
.FRI...NE wind 15 kt diminishing to 10 kt in the afternoon. Seas
3 ft. Rain showers.
.FRI NIGHT...NE wind 10 kt. Seas 2 ft.
.SAT THROUGH MON...NE wind 10 kt. Seas 2 ft.

$$

PKZ128-250045-
Valdez Arm-
408 AM AKDT Thu Aug 24 2017

.TODAY...NE wind 15 kt. Seas 3 ft. Rain.
.TONIGHT...NE wind 15 kt. Seas 3 ft. Rain.
.FRI...NE wind 15 kt diminishing to 10 kt in the afternoon. Seas
3 ft. Rain showers.
.FRI NIGHT...NE wind 10 kt. Seas 2 ft.
.SAT THROUGH SUN...NE wind 10 kt. Seas 2 ft.
.MON...NE wind 15 kt. Seas 3 ft.

$$

PKZ129-250045-
Passage Canal-
408 AM AKDT Thu Aug 24 2017

...SMALL CRAFT ADVISORY TODAY...

.TODAY...E wind 25 kt. Seas 4 ft. Rain.
.TONIGHT...E wind 20 kt. Seas 3 ft. Rain.
.FRI...E wind 10 kt. Seas 2 ft. Rain showers.
.FRI NIGHT...E wind 10 kt. Seas 2 ft.
.SAT THROUGH SUN...Variable wind less than 10 kt. Seas 2 ft.
.MON...E wind 10 kt. Seas 2 ft.

$$

PKZ130-250045-
West of Barren Islands including Kamishak Bay-
408 AM AKDT Thu Aug 24 2017

...SMALL CRAFT ADVISORY TONIGHT AND FRIDAY...

.TODAY...E wind 20 kt. Seas 7 ft. Widespread rain showers.
.TONIGHT...E wind 15 kt increasing to 25 kt after midnight. Seas
7 ft. Widespread rain showers.
.FRI...NE wind 25 kt. Seas 9 ft. Rain showers.
.FRI NIGHT...E wind 20 kt. Seas 6 ft.
.SAT THROUGH SUN...E wind 15 kt. Seas 3 ft.
.MON...E wind 30 kt. Seas 8 ft.

$$

PKZ131-250045-
Barren Islands East-
408 AM AKDT Thu Aug 24 2017

.TODAY...S wind 20 kt. Seas 6 ft.
.TONIGHT...S wind 15 kt. Seas 7 ft. Widespread rain showers.
.FRI...S wind 15 kt. Seas 7 ft.
.FRI NIGHT...Variable wind 10 kt. Seas 7 ft.
.SAT...NE wind 15 kt. Seas 6 ft.
.SUN...E wind 20 kt. Seas 5 ft.
.MON...E wind 30 kt. Seas 14 ft.

$$

PKZ132-250045-
Marmot Island to Sitkinak-
408 AM AKDT Thu Aug 24 2017

...SMALL CRAFT ADVISORY THROUGH FRIDAY...

.TODAY...SW wind 25 kt. Seas 9 ft.
.TONIGHT...SW wind 25 kt. Seas 10 ft.
.FRI...W wind 25 kt. Seas 9 ft.
.FRI NIGHT...NE wind 15 kt. Seas 8 ft.
.SAT...SW wind 15 kt. Seas 7 ft.
.SUN...S wind 20 kt. Seas 6 ft.
.MON...E wind 25 kt. Seas 13 ft.

$$

PKZ136-250045-
Chiniak Bay-
408 AM AKDT Thu Aug 24 2017

.TODAY...Variable wind less than 10 kt becoming S 10 kt in the
afternoon. Seas 2 ft.
.TONIGHT...S wind 15 kt in the evening becoming variable less than
10 kt. Seas 2 ft. Widespread rain showers.
.FRI...Variable wind less than 10 kt becoming S 10 kt in the
afternoon. Seas 2 ft.
.FRI NIGHT...Variable wind less than 10 kt. Seas 3 ft.
.SAT...SE wind 10 kt. Seas 3 ft.
.SUN...SE wind 15 kt. Seas 4 ft.
.MON...E wind 25 kt. Seas 7 ft.

$$

PKZ137-250045-
Marmot Bay-
408 AM AKDT Thu Aug 24 2017

.TODAY...SW wind 10 kt in the morning becoming variable less than
10 kt. Seas 3 ft. Rain.
.TONIGHT...SE wind 10 kt becoming SW after midnight. Seas 3 ft.
Widespread rain showers.
.FRI...W wind 10 kt in the morning becoming variable less than
10 kt. Seas 2 ft. Rain showers.
.FRI NIGHT...Variable wind less than 10 kt. Seas 3 ft.
.SAT...E wind 10 kt. Seas 3 ft.
.SUN...SE wind 15 kt. Seas 4 ft.
.MON...E wind 25 kt. Seas 10 ft.

$$

PKZ138-250045-
Shelikof Strait-
408 AM AKDT Thu Aug 24 2017

.TODAY...SW wind 15 kt. Seas 3 ft. Rain.
.TONIGHT...SW wind 15 kt. Seas 3 ft. Widespread rain showers.
.FRI...SW wind 15 kt. Seas 4 ft.
.FRI NIGHT...Variable wind 10 kt. Seas 3 ft.
.SAT...Variable wind 10 kt. Seas 2 ft.
.SUN...E wind 15 kt. Seas 4 ft.
.MON...E wind 25 kt. Seas 7 ft.

$$

PKZ139-250045-
Cook Inlet Kalgin Island to Point Bede-
408 AM AKDT Thu Aug 24 2017

...SMALL CRAFT ADVISORY THROUGH FRIDAY...

.TODAY...NE wind 25 kt. Seas 9 ft. Widespread rain showers.
.TONIGHT...NE wind 25 kt. Seas 7 ft. Widespread rain showers.
.FRI...NE wind 25 kt. Seas 7 ft. Rain showers.
.FRI NIGHT...N wind 20 kt. Seas 6 ft.
.SAT...SW wind 15 kt. Seas 2 ft.
.SUN...E wind 10 kt. Seas 3 ft.
.MON...NE wind 20 kt. Seas 6 ft.

$$

PKZ140-250045-
Cook Inlet North of Kalgin Island-
408 AM AKDT Thu Aug 24 2017

...SMALL CRAFT ADVISORY THROUGH TONIGHT...

.TODAY...NE wind 25 kt. Seas 5 ft building to 9 ft in the
afternoon. Widespread rain showers.
.TONIGHT...NE wind 25 kt. Seas 8 ft subsiding to 5 ft after
midnight. Rain showers.
.FRI...NE wind 20 kt. Seas 5 ft.
.FRI NIGHT...NE wind 15 kt. Seas 3 ft.
.SAT...S wind 15 kt. Seas 2 ft.
.SUN...E wind 10 kt. Seas 3 ft.
.MON...NE wind 15 kt. Seas 4 ft.

$$

PKZ141-250045-
Kachemak Bay-
408 AM AKDT Thu Aug 24 2017

.TODAY...E wind 10 kt. Seas 2 ft. Rain.
.TONIGHT...E wind 10 kt. Seas 2 ft. Widespread rain showers.
.FRI...NE wind 10 kt. Seas 2 ft. Rain showers.
.FRI NIGHT...E wind 10 kt. Seas 2 ft.
.SAT THROUGH SUN...E wind 10 kt. Seas 2 ft.
.MON...NE wind 20 kt. Seas 4 ft.

$$
3 follow-up statements
679 
FZAK51 PAFC 241441 AAA
CWFAER

Coastal Waters Forecast...UPDATED
National Weather Service Anchorage AK
641 AM AKDT Thu Aug 24 2017

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.

PKZ197-250330-
641 AM AKDT Thu Aug 24 2017
.SYNOPSIS FOR THE NORTH GULF COAST+KODIAK ISLAND WATERS+
COOK INLET...

A front will continue to move north across the Gulf of Alaska on 
Thursday morning located along a line between the southern tip of
the Kenai Peninsula and the southern Gulf of Alaska. The front 
will strengthen to gale force by Thursday night and will be 
located along a line between the southern Prince William Sound and
a point 130nm south of Yakutat. A 987 mb low enters the Gulf of
Alaska by Friday morning centered over Kodiak Island.

$$

PKZ119-250330-
Cape Suckling to Cape Cleare-
641 AM AKDT Thu Aug 24 2017

...GALE WARNING THROUGH TONIGHT...

.TODAY...SE wind 35 kt. Seas 11 ft. Widespread rain showers. 
.TONIGHT...SE wind 25 kt diminishing to 15 kt after midnight. 
Near the coast, E wind 40 kt diminishing to 30 kt after midnight. 
Seas 11 ft. Widespread rain showers. 
.FRI...SE wind 25 kt. Seas 8 ft. Rain showers. 
.FRI NIGHT...SE wind 20 kt. Seas 8 ft. 
.SAT...E wind 20 kt. Seas 7 ft. 
.SUN...E wind 25 kt. Seas 7 ft. 
.MON...E wind 30 kt. Seas 15 ft.

$$

PKZ120-250330-
Cape Cleare to Gore Point-
641 AM AKDT Thu Aug 24 2017

...SMALL CRAFT ADVISORY TODAY...

.TODAY...SE wind 30 kt. Seas 8 ft. Widespread rain showers. 
.TONIGHT...SE wind 15 kt. Seas 7 ft. Widespread rain showers. 
.FRI...E wind 15 kt. Seas 7 ft. Rain showers. 
.FRI NIGHT...E wind 15 kt. Seas 7 ft. 
.SAT...NE wind 15 kt. Seas 6 ft. 
.SUN...E wind 20 kt. Seas 5 ft. 
.MON...E wind 30 kt. Seas 14 ft.

$$

PKZ121-250330-
Resurrection Bay-
641 AM AKDT Thu Aug 24 2017

.TODAY...S wind 15 kt with gusts to 25 kt diminishing to 10 kt in
 the afternoon. Seas 3 ft. Higher winds and S of Caines Head.
Rain. 
.TONIGHT...Variable wind less than 10 kt. Seas 2 ft. Higher S of
Caines Head. Rain. 
.FRI...Variable wind less than 10 kt. Seas 2 ft. Higher winds and
S of Caines Head. Rain showers. 
.FRI NIGHT...N wind 10 kt. Seas 2 ft. 
.SAT THROUGH MON...N wind 10 kt. Seas 2 ft.

$$

PKZ125-250330-
Prince William Sound-
641 AM AKDT Thu Aug 24 2017

...GALE WARNING TODAY...

.TODAY...E wind 35 kt with gusts to 45 kt in the afternoon. Seas
7  ft. Rain. 
.TONIGHT...E wind 30 kt. Seas 7 ft. Rain. 
.FRI...E wind 20 kt. Seas 4 ft. Rain showers. 
.FRI NIGHT...E wind 15 kt. Seas 3 ft. 
.SAT...NE wind 15 kt. Seas 3 ft. 
.SUN...E wind 10 kt. Seas 2 ft. 
.MON...E wind 20 kt. Seas 3 ft.

$$

PKZ126-250330-
Port Valdez-
641 AM AKDT Thu Aug 24 2017

.TODAY...Variable wind less than 10 kt. Seas 2 ft. Rain. 
.TONIGHT...NE wind 10 kt. Seas 2 ft. Rain. 
.FRI...Variable wind less than 10 kt. Seas 2 ft. Rain showers. 
.FRI NIGHT...Variable wind less than 10 kt. Seas 2 ft. 
.SAT...Variable wind less than 10 kt. Seas 2 ft. 
.SUN THROUGH MON...NE wind 10 kt. Seas 2 ft.

$$

PKZ127-250330-
Valdez Narrows-
641 AM AKDT Thu Aug 24 2017

.TODAY...NE wind 15 kt. Seas 3 ft. Rain. 
.TONIGHT...NE wind 15 kt. Seas 3 ft. Rain. 
.FRI...NE wind 15 kt diminishing to 10 kt in the afternoon. Seas
3 ft. Rain showers. 
.FRI NIGHT...NE wind 10 kt. Seas 2 ft. 
.SAT THROUGH MON...NE wind 10 kt. Seas 2 ft.

$$

PKZ128-250330-
Valdez Arm-
641 AM AKDT Thu Aug 24 2017

.TODAY...E wind 20 kt. Seas 3 ft. Rain. 
.TONIGHT...NE wind 15 kt. Seas 3 ft. Rain. 
.FRI...NE wind 15 kt diminishing to 10 kt in the afternoon. Seas
3 ft. Rain showers. 
.FRI NIGHT...NE wind 10 kt. Seas 2 ft. 
.SAT THROUGH SUN...NE wind 10 kt. Seas 2 ft. 
.MON...NE wind 15 kt. Seas 3 ft.

$$

PKZ129-250330-
Passage Canal-
641 AM AKDT Thu Aug 24 2017

...SMALL CRAFT ADVISORY TODAY...

.TODAY...E wind increasing to 25 kt. Seas 4 ft. Rain. 
.TONIGHT...E wind 20 kt. Seas 3 ft. Rain. 
.FRI...E wind 10 kt. Seas 2 ft. Rain showers. 
.FRI NIGHT...E wind 10 kt. Seas 2 ft. 
.SAT THROUGH SUN...Variable wind less than 10 kt. Seas 2 ft. 
.MON...E wind 10 kt. Seas 2 ft.

$$

PKZ130-250330-
West of Barren Islands including Kamishak Bay-
641 AM AKDT Thu Aug 24 2017

...SMALL CRAFT ADVISORY THROUGH FRIDAY...

.TODAY...NE wind increasing to 30 kt during the morning. 
Seas 5 ft building to 9 ft in the afternoon. Widespread rain 
showers.
.TONIGHT AND FRI...NE wind 25 kt. Seas 8 ft. Widespread rain 
showers.
.FRI NIGHT...E wind 20 kt. Seas 6 ft. 
.SAT THROUGH SUN...E wind 15 kt. Seas 3 ft. 
.MON...E wind 30 kt. Seas 8 ft.

$$

PKZ131-250330-
Barren Islands East-
641 AM AKDT Thu Aug 24 2017

.TODAY...S wind 15 kt. Seas 5 ft. 
.TONIGHT...S wind 15 kt. Seas 7 ft. Widespread rain showers. 
.FRI...S wind 15 kt. Seas 7 ft. 
.FRI NIGHT...Variable wind 10 kt. Seas 7 ft. 
.SAT...NE wind 15 kt. Seas 6 ft. 
.SUN...E wind 20 kt. Seas 5 ft. 
.MON...E wind 30 kt. Seas 14 ft.

$$

PKZ132-250330-
Marmot Island to Sitkinak-
641 AM AKDT Thu Aug 24 2017

...SMALL CRAFT ADVISORY THROUGH FRIDAY...

.TODAY...SW wind 20 kt. Seas 8 ft. 
.TONIGHT...SW wind 25 kt. Seas 10 ft. 
.FRI...W wind 25 kt. Seas 9 ft. 
.FRI NIGHT...NE wind 15 kt. Seas 8 ft. 
.SAT...SW wind 15 kt. Seas 7 ft. 
.SUN...S wind 20 kt. Seas 6 ft. 
.MON...E wind 25 kt. Seas 13 ft.

$$

PKZ136-250330-
Chiniak Bay-
641 AM AKDT Thu Aug 24 2017

.TODAY...Variable wind less than 10 kt becoming S 10 kt in the
afternoon. Seas 2 ft.
.TONIGHT...S wind 15 kt in the evening becoming variable less than
10 kt. Seas 2 ft. Widespread rain showers.
.FRI...Variable wind less than 10 kt becoming S 10 kt in the
afternoon. Seas 2 ft.
.FRI NIGHT...Variable wind less than 10 kt. Seas 3 ft.
.SAT...SE wind 10 kt. Seas 3 ft.
.SUN...SE wind 15 kt. Seas 4 ft.
.MON...E wind 25 kt. Seas 7 ft.

$$

PKZ137-250330-
Marmot Bay-
641 AM AKDT Thu Aug 24 2017

.TODAY...SW wind 10 kt in the morning becoming variable less than
10 kt. Seas 3 ft. Rain. 
.TONIGHT...SE wind 10 kt becoming SW after midnight. Seas 3 ft.
Widespread rain showers. 
.FRI...W wind 10 kt in the morning becoming variable less than
10 kt. Seas 2 ft. Rain showers. 
.FRI NIGHT...Variable wind less than 10 kt. Seas 3 ft. 
.SAT...E wind 10 kt. Seas 3 ft. 
.SUN...SE wind 15 kt. Seas 4 ft. 
.MON...E wind 25 kt. Seas 10 ft.

$$

PKZ138-250330-
Shelikof Strait-
641 AM AKDT Thu Aug 24 2017

.TODAY...SW wind 15 kt. Seas 4 ft. Rain. 
.TONIGHT...SW wind 15 kt. Seas 4 ft. Widespread rain showers. 
.FRI...SW wind 15 kt. Seas 4 ft. 
.FRI NIGHT...Variable wind 10 kt. Seas 3 ft. 
.SAT...Variable wind 10 kt. Seas 2 ft. 
.SUN...E wind 15 kt. Seas 4 ft. 
.MON...E wind 25 kt. Seas 7 ft.

$$

PKZ139-250330-
Cook Inlet Kalgin Island to Point Bede-
641 AM AKDT Thu Aug 24 2017

...SMALL CRAFT ADVISORY THROUGH FRIDAY...

.TODAY...NE wind 25 kt. Seas 8 ft. Widespread rain showers. 
.TONIGHT AND FRI...NE wind 25 kt. Seas 8 ft. Widespread rain 
showers.
.FRI NIGHT...N wind 20 kt. Seas 6 ft. 
.SAT...SW wind 15 kt. Seas 2 ft. 
.SUN...E wind 10 kt. Seas 3 ft. 
.MON...NE wind 20 kt. Seas 6 ft.

$$

PKZ140-250330-
Cook Inlet North of Kalgin Island-
641 AM AKDT Thu Aug 24 2017

...SMALL CRAFT ADVISORY THROUGH TONIGHT...

.TODAY...NE wind 15 kt increasing to 25 kt in the afternoon. Seas
3 ft building to 7 ft in the afternoon. Widespread rain showers. 
.TONIGHT...NE wind 25 kt. Seas 7 ft. Rain showers.
.FRI...NE wind 20 kt. Seas 5 ft. 
.FRI NIGHT...NE wind 15 kt. Seas 3 ft. 
.SAT...S wind 15 kt. Seas 2 ft. 
.SUN...E wind 10 kt. Seas 3 ft. 
.MON...NE wind 15 kt. Seas 4 ft.

$$

PKZ141-250330-
Kachemak Bay-
641 AM AKDT Thu Aug 24 2017

.TODAY...Variable wind 10 kt. Seas 2 ft. Rain. 
.TONIGHT...NE wind 10 kt. Seas 2 ft. Widespread rain showers. 
.FRI...NE wind 10 kt. Seas 2 ft. Rain showers. 
.FRI NIGHT...E wind 10 kt. Seas 2 ft. 
.SAT THROUGH SUN...E wind 10 kt. Seas 2 ft. 
.MON...NE wind 20 kt. Seas 4 ft.

$$
754 
FZAK51 PAFC 242348
CWFAER

Coastal Waters Forecast
National Weather Service Anchorage Alaska
348 PM AKDT Thu Aug 24 2017

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.

PKZ197-251300-
348 PM AKDT Thu Aug 24 2017
.SYNOPSIS FOR THE NORTH GULF COAST+KODIAK ISLAND WATERS+
COOK INLET...
A front along the North Gulf coast will dissipate through Fri. A 990
mb low 25 nm south of Dillingham will track to 35 nm south of 
Sitkinak Fri afternoon, then move to 90 nm south of Middleton Island 
Sat afternoon at 1000 mb.

$$

PKZ119-251300-
Cape Suckling to Cape Cleare-
348 PM AKDT Thu Aug 24 2017

...GALE WARNING TONIGHT...

.TONIGHT...S wind 30 kt diminishing to 15 kt after midnight. Near
the coast, E wind 40 kt diminishing to 30 kt after midnight. Seas
12 ft. Rain.
.FRI...SE wind 25 kt. Seas 8 ft. Rain.
.FRI NIGHT...SE wind 20 kt. Seas 7 ft. Rain.
.SAT...E wind 20 kt. Seas 8 ft.
.SAT NIGHT...E wind 25 kt. Seas 9 ft.
.SUN...E wind 25 kt. Seas 7 ft.
.MON THROUGH TUE...E wind 30 kt. Seas 15 ft.

$$

PKZ120-251300-
Cape Cleare to Gore Point-
348 PM AKDT Thu Aug 24 2017

.TONIGHT...SE wind 20 kt. Seas 7 ft. Rain.
.FRI...E wind 15 kt. Seas 7 ft. Rain showers.
.FRI NIGHT...Variable wind 10 kt. Seas 7 ft.
.SAT...Variable wind 10 kt. Seas 6 ft.
.SAT NIGHT...NE wind 15 kt. Seas 7 ft.
.SUN...E wind 20 kt. Seas 5 ft.
.MON THROUGH TUE...E wind 30 kt. Seas 14 ft.

$$

PKZ121-251300-
Resurrection Bay-
348 PM AKDT Thu Aug 24 2017

.TONIGHT...Variable wind less than 10 kt. Seas 2 ft. Higher winds
and S of Caines Head. Rain.
.FRI...Variable wind less than 10 kt. Seas 2 ft. Higher winds and
S of Caines Head. Rain showers.
.FRI NIGHT...Variable wind less than 10 kt becoming N 10 kt after
midnight. Seas 2 ft. Rain showers.
.SAT AND SAT NIGHT...N wind 10 kt. Seas 2 ft.
.SUN THROUGH TUE...N wind 10 kt. Seas 2 ft.

$$

PKZ125-251300-
Prince William Sound-
348 PM AKDT Thu Aug 24 2017

...SMALL CRAFT ADVISORY TONIGHT...

.TONIGHT...E wind 30 kt. Seas 7 ft. Rain.
.FRI...E wind 20 kt. Seas 4 ft. Rain showers.
.FRI NIGHT...E wind 15 kt. Seas 3 ft. Rain showers.
.SAT...E wind 10 kt. Seas 2 ft.
.SAT NIGHT...NE wind 15 kt. Seas 2 ft.
.SUN...E wind 10 kt. Seas 2 ft.
.MON THROUGH TUE...E wind 20 kt. Seas 3 ft.

$$

PKZ126-251300-
Port Valdez-
348 PM AKDT Thu Aug 24 2017

.TONIGHT...NE wind 10 kt. Seas 2 ft. Rain.
.FRI...Variable wind less than 10 kt. Seas 2 ft. Rain showers.
.FRI NIGHT...Variable wind less than 10 kt. Seas 2 ft. Rain
showers.
.SAT AND SAT NIGHT...Variable wind less than 10 kt. Seas 2 ft.
.SUN THROUGH TUE...NE wind 10 kt. Seas 2 ft.

$$

PKZ127-251300-
Valdez Narrows-
348 PM AKDT Thu Aug 24 2017

.TONIGHT...NE wind 15 kt. Seas 3 ft. Rain.
.FRI...NE wind 15 kt diminishing to 10 kt in the afternoon. Seas
3 ft. Rain showers.
.FRI NIGHT...NE wind 10 kt. Seas 2 ft. Rain showers.
.SAT AND SAT NIGHT...NE wind 10 kt. Seas 2 ft.
.SUN THROUGH TUE...NE wind 10 kt. Seas 2 ft.

$$

PKZ128-251300-
Valdez Arm-
348 PM AKDT Thu Aug 24 2017

.TONIGHT...NE wind 15 kt. Seas 3 ft. Rain.
.FRI...NE wind 15 kt diminishing to 10 kt in the afternoon. Seas
3 ft. Rain showers.
.FRI NIGHT...NE wind 10 kt. Seas 2 ft. Rain showers.
.SAT...Variable wind less than 10 kt. Seas 2 ft.
.SAT NIGHT...NE wind 10 kt. Seas 2 ft.
.SUN...NE wind 10 kt. Seas 2 ft.
.MON THROUGH TUE...NE wind 15 kt. Seas 3 ft.

$$

PKZ129-251300-
Passage Canal-
348 PM AKDT Thu Aug 24 2017

...SMALL CRAFT ADVISORY TONIGHT...

.TONIGHT...E wind 25 kt diminishing to 15 kt by midnight. Seas 4 ft.
Rain.
.FRI...E wind 10 kt. Seas 2 ft. Rain.
.FRI NIGHT...E wind 10 kt. Seas 2 ft. Rain.
.SAT AND SAT NIGHT...Variable wind less than 10 kt. Seas 2 ft.
.SUN...Variable wind less than 10 kt. Seas 2 ft.
.MON THROUGH TUE...E wind 10 kt. Seas 2 ft.

$$

PKZ130-251300-
West of Barren Islands including Kamishak Bay-
348 PM AKDT Thu Aug 24 2017

...SMALL CRAFT ADVISORY THROUGH FRIDAY...

.TONIGHT...E wind 25 kt. Seas 6 ft. Rain.
.FRI...NE wind 25 kt. Seas 5 ft. Rain.
.FRI NIGHT...E wind 15 kt. Seas 4 ft.
.SAT...Variable wind 10 kt. Seas 2 ft.
.SAT NIGHT...SE wind 15 kt. Seas 3 ft.
.SUN...E wind 15 kt. Seas 3 ft.
.MON...E wind 30 kt. Seas 8 ft.
.TUE...NE wind 20 kt. Seas 8 ft.

$$

PKZ131-251300-
Barren Islands East-
348 PM AKDT Thu Aug 24 2017

.TONIGHT...S wind 15 kt. Seas 7 ft. Rain.
.FRI...S wind 15 kt. Seas 7 ft.
.FRI NIGHT...Variable wind 10 kt. Seas 6 ft.
.SAT...Variable wind 10 kt. Seas 4 ft.
.SAT NIGHT...E wind 15 kt. Seas 4 ft.
.SUN...E wind 20 kt. Seas 5 ft.
.MON...E wind 30 kt. Seas 14 ft.
.TUE...E wind 25 kt. Seas 14 ft.

$$

PKZ132-251300-
Marmot Island to Sitkinak-
348 PM AKDT Thu Aug 24 2017

...SMALL CRAFT ADVISORY THROUGH FRIDAY NIGHT...

.TONIGHT...SW wind 25 kt. Seas 9 ft.
.FRI...W wind 20 kt. Seas 9 ft.
.FRI NIGHT...Variable wind 10 kt becoming NE 15 kt after midnight.
Seas 8 ft.
.SAT...Variable wind 10 kt. Seas 7 ft.
.SAT NIGHT...Variable wind 10 kt. Seas 5 ft.
.SUN...SE wind 20 kt. Seas 6 ft.
.MON...E wind 25 kt. Seas 13 ft.
.TUE...E wind 20 kt. Seas 13 ft.

$$

PKZ136-251300-
Chiniak Bay-
348 PM AKDT Thu Aug 24 2017

.TONIGHT...S wind 10 kt in the evening becoming variable less than
10 kt. Seas 2 ft. Rain.
.FRI...Variable wind less than 10 kt becoming S 10 kt in the
afternoon. Seas 2 ft.
.FRI NIGHT...Variable wind less than 10 kt. Seas 3 ft.
.SAT...Variable wind less than 10 kt. Seas 3 ft.
.SAT NIGHT...S wind 10 kt. Seas 2 ft.
.SUN...SE wind 15 kt. Seas 4 ft.
.MON...E wind 25 kt. Seas 7 ft.
.TUE...E wind 20 kt. Seas 6 ft.

$$

PKZ137-251300-
Marmot Bay-
348 PM AKDT Thu Aug 24 2017

.TONIGHT...SE wind 10 kt becoming SW after midnight. Seas 3 ft.
Rain.
.FRI...W wind 10 kt in the morning becoming variable less than
10 kt. Seas 2 ft.
.FRI NIGHT...Variable wind less than 10 kt. Seas 3 ft.
.SAT...Variable wind less than 10 kt. Seas 3 ft.
.SAT NIGHT...SE wind 10 kt. Seas 3 ft.
.SUN...E wind 15 kt. Seas 4 ft.
.MON...E wind 25 kt. Seas 10 ft.
.TUE...E wind 20 kt. Seas 7 ft.

$$

PKZ138-251300-
Shelikof Strait-
348 PM AKDT Thu Aug 24 2017

.TONIGHT...SW wind 15 kt. Seas 4 ft. Rain.
.FRI...SW wind 15 kt. Seas 3 ft.
.FRI NIGHT...Variable wind 10 kt. Seas 2 ft.
.SAT...Variable wind 10 kt. Seas 2 ft.
.SAT NIGHT...Variable wind 10 kt. Seas 2 ft.
.SUN...E wind 15 kt. Seas 4 ft.
.MON...E wind 25 kt. Seas 7 ft.
.TUE...NE wind 20 kt. Seas 7 ft.

$$

PKZ139-251300-
Cook Inlet Kalgin Island to Point Bede-
348 PM AKDT Thu Aug 24 2017

...SMALL CRAFT ADVISORY THROUGH FRIDAY...

.TONIGHT...NE wind 30 kt. Seas 8 ft. Rain.
.FRI...NE wind 25 kt. Seas 5 ft. Rain.
.FRI NIGHT...NE wind 20 kt becoming W 10 kt after midnight. Seas
5 ft subsiding to 2 ft after midnight. Rain.
.SAT...NW wind 10 kt. Seas 2 ft.
.SAT NIGHT...S wind 10 kt. Seas 3 ft.
.SUN...E wind 10 kt. Seas 3 ft.
.MON THROUGH TUE...NE wind 20 kt. Seas 6 ft.

$$

PKZ140-251300-
Cook Inlet North of Kalgin Island-
348 PM AKDT Thu Aug 24 2017

...SMALL CRAFT ADVISORY TONIGHT...

.TONIGHT...NE wind 25 kt. Seas 7 ft. Rain.
.FRI...NE wind 20 kt. Seas 5 ft.
.FRI NIGHT...NE wind 15 kt diminishing to 10 kt after midnight.
Seas 3 ft.
.SAT...N wind 10 kt. Seas 2 ft.
.SAT NIGHT...S wind 10 kt. Seas 3 ft.
.SUN...E wind 10 kt. Seas 3 ft.
.MON THROUGH TUE...NE wind 15 kt. Seas 4 ft.

$$

PKZ141-251300-
Kachemak Bay-
348 PM AKDT Thu Aug 24 2017

.TONIGHT...E wind 10 kt. Seas 2 ft. Rain.
.FRI...NE wind 10 kt. Seas 2 ft. Rain showers.
.FRI NIGHT...SE wind 10 kt in the evening becoming variable 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...E wind 10 kt. Seas 2 ft.
.MON THROUGH TUE...NE wind 20 kt. Seas 4 ft.

$$
335 
FZAK51 PAFC 251203
CWFAER

Coastal Waters Forecast
National Weather Service Anchorage Alaska
403 AM AKDT Fri Aug 25 2017

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.

PKZ197-260100-
403 AM AKDT Fri Aug 25 2017
.SYNOPSIS FOR THE NORTH GULF COAST+KODIAK ISLAND WATERS+
COOK INLET...

A front along the north Gulf Coast will dissipate through Fri. A 
991 mb low near King Salmon will move southeast to 120 nm south of
Kodiak by Fri night at 992 mb, then weaken and move to 250 nm east
of Kodiak at 1003 mb by Sat afternoon.

$$

PKZ119-260100-
Cape Suckling to Cape Cleare-
403 AM AKDT Fri Aug 25 2017

...SMALL CRAFT ADVISORY TODAY...

.TODAY...SE wind 25 kt. Seas 9 ft. Rain showers.
.TONIGHT...S wind 20 kt. Seas 7 ft. Rain.
.SAT...E wind 15 kt. Seas 7 ft. Rain.
.SAT NIGHT...E wind 20 kt. Seas 7 ft.
.SUN...E wind 25 kt. Seas 7 ft.
.MON THROUGH TUE...E wind 30 kt. Seas 15 ft.

$$

PKZ120-260100-
Cape Cleare to Gore Point-
403 AM AKDT Fri Aug 25 2017

...SMALL CRAFT ADVISORY TODAY...

.TODAY...E wind 25 kt with gusts to 40 kt along the coast in the
morning. Seas 8 ft. Rain showers.
.TONIGHT...Variable wind 10 kt. Seas 6 ft.
.SAT...Variable wind 10 kt. Seas 5 ft.
.SAT NIGHT...NE wind 20 kt. Seas 5 ft.
.SUN...E wind 20 kt. Seas 5 ft.
.MON THROUGH TUE...E wind 30 kt. Seas 14 ft.

$$

PKZ121-260100-
Resurrection Bay-
403 AM AKDT Fri Aug 25 2017

.TODAY...Variable wind less than 10 kt. Seas 2 ft. Higher winds
and waves S of Caines Head. Rain showers.
.TONIGHT...Variable wind less than 10 kt becoming N 10 kt after
midnight. Seas 2 ft. Rain showers.
.SAT...N wind 10 kt. Seas 2 ft. Rain showers.
.SAT NIGHT...N wind 10 kt. Seas 2 ft.
.SUN THROUGH TUE...N wind 10 kt. Seas 2 ft.

$$

PKZ125-260100-
Prince William Sound-
403 AM AKDT Fri Aug 25 2017

...SMALL CRAFT ADVISORY TODAY...
.TODAY...E wind 25 kt with gusts to 40 kt in the morning near
Hinchinbrook entrance. Seas 4 ft. Rain.
.TONIGHT...E wind 20 kt. Seas 3 ft. Rain showers.
.SAT...SE wind 10 kt. Seas 2 ft. Rain showers.
.SAT NIGHT...E wind 10 kt. Seas 2 ft.
.SUN...NE wind 15 kt. Seas 2 ft.
.MON THROUGH TUE...E wind 20 kt. Seas 3 ft.

$$

PKZ126-260100-
Port Valdez-
403 AM AKDT Fri Aug 25 2017

.TODAY...Variable wind less than 10 kt. Seas 2 ft. Rain showers.
.TONIGHT...Variable wind less than 10 kt. Seas 2 ft. Rain showers.
.SAT...Variable wind less than 10 kt. Seas 2 ft. Rain showers.
.SAT NIGHT...Variable wind less than 10 kt. Seas 2 ft.
.SUN THROUGH TUE...NE wind 10 kt. Seas 2 ft.

$$

PKZ127-260100-
Valdez Narrows-
403 AM AKDT Fri Aug 25 2017

.TODAY...NE wind 15 kt diminishing to 10 kt in the afternoon. Seas
3 ft. Rain.
.TONIGHT...NE wind 10 kt. Seas 2 ft. Rain showers.
.SAT...NE wind 10 kt in the morning becoming variable less than
10 kt. Seas 2 ft. Rain showers.
.SAT NIGHT...NE wind 10 kt. Seas 2 ft.
.SUN THROUGH TUE...NE wind 10 kt. Seas 2 ft.

$$

PKZ128-260100-
Valdez Arm-
403 AM AKDT Fri Aug 25 2017

.TODAY...NE wind 15 kt diminishing to 10 kt in the afternoon. Seas
3 ft. Rain.
.TONIGHT...NE wind 10 kt. Seas 2 ft. Rain showers.
.SAT...Variable wind less than 10 kt. Seas 2 ft. Rain showers.
.SAT NIGHT...NE wind 10 kt. Seas 2 ft....small craft advisory
today...
.SUN...NE wind 10 kt. Seas 2 ft.
.MON THROUGH TUE...NE wind 15 kt. Seas 3 ft.

$$

PKZ129-260100-
Passage Canal-
403 AM AKDT Fri Aug 25 2017

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

$$

PKZ130-260100-
West of Barren Islands including Kamishak Bay-
403 AM AKDT Fri Aug 25 2017

...SMALL CRAFT ADVISORY TODAY...

.TODAY...NE wind 25 kt. Seas 6 ft. Rain showers.
.TONIGHT...NE wind 20 kt in the evening becoming variable 10 kt.
Seas 5 ft.
.SAT...Variable wind 10 kt. Seas 2 ft.
.SAT NIGHT...SE wind 20 kt. Seas 5 ft.
.SUN...E wind 15 kt. Seas 4 ft.
.MON...E wind 30 kt. Seas 8 ft.
.TUE...NE wind 20 kt. Seas 8 ft.

$$

PKZ131-260100-
Barren Islands East-
403 AM AKDT Fri Aug 25 2017

.TODAY...S wind 15 kt. Seas 7 ft.
.TONIGHT...Variable wind 10 kt. Seas 6 ft.
.SAT...Variable wind 10 kt. Seas 5 ft.
.SAT NIGHT...E wind 15 kt. Seas 5 ft.
.SUN...E wind 20 kt. Seas 6 ft.
.MON...E wind 30 kt. Seas 14 ft.
.TUE...E wind 25 kt. Seas 14 ft.

$$

PKZ132-260100-
Marmot Island to Sitkinak-
403 AM AKDT Fri Aug 25 2017

...SMALL CRAFT ADVISORY THROUGH TONIGHT...

.TODAY...SW wind 20 kt. Seas 9 ft.
.TONIGHT...SE wind 15 kt becoming NE after midnight. Seas 9 ft.
.SAT...Variable wind 10 kt. Seas 7 ft.
.SAT NIGHT...Variable wind 10 kt. Seas 6 ft.
.SUN...SE wind 20 kt. Seas 6 ft.
.MON...E wind 25 kt. Seas 13 ft.
.TUE...E wind 20 kt. Seas 13 ft.

$$

PKZ136-260100-
Chiniak Bay-
403 AM AKDT Fri Aug 25 2017

.TODAY...Variable wind less than 10 kt becoming S 10 kt in the
afternoon. Seas 2 ft.
.TONIGHT...SE wind 10 kt in the evening becoming variable less
than 10 kt. Seas 3 ft.
.SAT...Variable wind less than 10 kt becoming S 10 kt in the
afternoon. Seas 2 ft.
.SAT NIGHT...SE wind 10 kt. Seas 3 ft.
.SUN...E wind 15 kt. Seas 4 ft.
.MON...E wind 25 kt. Seas 7 ft.
.TUE...E wind 20 kt. Seas 6 ft.

$$

PKZ137-260100-
Marmot Bay-
403 AM AKDT Fri Aug 25 2017

.TODAY...W wind 10 kt in the morning becoming variable less than
10 kt. Seas 2 ft.
.TONIGHT...Variable wind less than 10 kt. Seas 3 ft.
.SAT...Variable wind less than 10 kt. Seas 3 ft.
.SAT NIGHT...SE wind 10 kt. Seas 3 ft.
.SUN...E wind 15 kt. Seas 4 ft.
.MON...E wind 25 kt. Seas 10 ft.
.TUE...E wind 20 kt. Seas 7 ft.

$$

PKZ138-260100-
Shelikof Strait-
403 AM AKDT Fri Aug 25 2017

.TODAY...SW wind 15 kt. Seas 3 ft. Rain showers.
.TONIGHT...Variable wind 10 kt. Seas 2 ft.
.SAT...Variable wind 10 kt. Seas 2 ft.
.SAT NIGHT...Variable wind 10 kt. Seas 2 ft.
.SUN...E wind 15 kt. Seas 4 ft.
.MON...E wind 25 kt. Seas 7 ft.
.TUE...NE wind 20 kt. Seas 7 ft.

$$

PKZ139-260100-
Cook Inlet Kalgin Island to Point Bede-
403 AM AKDT Fri Aug 25 2017

...SMALL CRAFT ADVISORY TODAY...

.TODAY...NE wind 25 kt. Seas 6 ft. Rain showers.
.TONIGHT...N wind 20 kt. Seas 5 ft subsiding to 3 ft after
midnight.
.SAT...N wind 10 kt becoming S in the afternoon. Seas 3 ft.
.SAT NIGHT...S wind 15 kt. Seas 4 ft.
.SUN...NE wind 10 kt. Seas 3 ft.
.MON THROUGH TUE...NE wind 20 kt. Seas 6 ft.

$$

PKZ140-260100-
Cook Inlet North of Kalgin Island-
403 AM AKDT Fri Aug 25 2017

.TODAY...NE wind 20 kt. Seas 5 ft.
.TONIGHT...NE wind 15 kt. Seas 4 ft.
.SAT...N wind 10 kt becoming S in the afternoon. Seas 3 ft.
.SAT NIGHT...S wind 15 kt. Seas 4 ft.
.SUN...E wind 10 kt. Seas 3 ft.
.MON THROUGH TUE...NE wind 15 kt. Seas 4 ft.

$$

PKZ141-260100-
Kachemak Bay-
403 AM AKDT Fri Aug 25 2017

.TODAY...NE wind 10 kt increasing to 15 kt in the afternoon. Seas
2 ft. Rain showers.
.TONIGHT...E wind 10 kt in the evening becoming variable less than
10 kt. Seas 2 ft.
.SAT...Variable wind less than 10 kt. Seas 2 ft.
.SAT NIGHT...SE wind 10 kt. Seas 2 ft.
.SUN...E wind 10 kt. Seas 2 ft.
.MON THROUGH TUE...NE wind 20 kt. Seas 4 ft.

$$

What forecasters said that day

The local office's own words before this gale warning 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 gale warning went out at Aug 23, 4:26 PM AKDT, 11 hours 42 minutes earlier.

Area forecast discussion, Aug 23, 4:26 PM AKDT, 11 hours 42 minutes before
Southcentral and Southwest Alaska Forecast Discussion
National Weather Service Anchorage AK
426 PM AKDT Wed Aug 23 2017

.ANALYSIS AND UPPER LEVELS...
Upper levels show a longwave trough over the main portion of the
state with a lobe extending into the Bering Sea, where an upper
level low is moving slowly eastward. Satellites show that this
system is well developed, with a broad cirrus shield beginning to
slide over the Copper River Basin and Southcentral. At the
surface, radar shows showers moving through southwest Alaska just
ahead of the front. Upper level jet support in the form of a jet
streak moving south into the base of the trough is aiding the low
to strengthen as it moves eastward, which is reflected in near
Gale Force winds in the Central Aleutians.

&&

.MODEL DISCUSSION...
Models are in good agreement on low placement, although the 12z
NAM was slow on moving the front into Southcentral. Model data
also shows increased wind speeds in the west around the low center
as the low gains upper level support. In the west, a NAM/GFS blend
was chosen to increase speeds across the area, while in the east,
NAM was chosen for wind strength but timing was adjusted to match
current observations.

&&

.AVIATION...
PANC...Timing on the Turnagain Arm wind and downsloping remains
the big questions for today. The gradient looks to increase in the
afternoon as the front approaches the west, so am increasing the
winds even more after 06z. This should also impact -SHRA moving
over the airport as conditions will dry during the strongest
Turnagain winds. Cigs are dropping in SW flow ahead of the front,
and are not expected to hit MVFR conditions, but may cross the 050
ft mark which will impact airport ops. If southeasterly flow picks
up earlier ahead of the front, cigs may not drop at 00z and
showers will be negligible.

&&

.SHORT TERM FORECAST SOUTHCENTRAL ALASKA (Days 1 and 2)...
A very typical late-summer storm is taking shape which will bring
widespread rain and wind to Southcentral Alaska and the Gulf of
Alaska the next couple days (with the notable exception of the
Copper River Basin which will be much drier). A leading upper
level wave combined with instability in the lower to mid levels
is bringing showers to some areas this afternoon, particularly
south to west facing slopes which are benefiting from low level
upslope flow. A neutrally tilted short-wave trough over the
eastern Bering Sea will become negatively tilted as it enters the
western Gulf tonight, leading to development of widespread steady
rain. The mean low level flow will gradually back toward the
southeast and strengthen out ahead of a surface frontal system.
This often results in downslope drying from the western Kenai to
Anchorage and the Mat Valley. However, with strong upward vertical
motion, a more southerly component to mid level flow, and a bit
of remaining instability expect rain to fall in all of these
areas.

As the front makes its way toward the north Gulf coast a barrier
jet will form, bringing high end gale force winds to the immediate
coast. The northward progression of the front will rapidly stall
on Thursday as the upper-level short-wave trough rotates back
westward toward a new upper level low dropping into Bristol Bay.
Thus, expect the strongest winds to remain over southern Prince
William Sound (near interface with the Gulf). The approaching
front will also kick up wind through Turnagain Arm. Ageostrophic
flow will favor stronger winds in western Turnagain Arm tonight
while geostrophic flow will favor stronger winds through Portage
Valley/Eastern Turnagain Arm as the front arrives Thursday
afternoon.

The heaviest rain will fall in western Prince William Sound thanks
to persistent strong east to southeast low level flow, with 3 to 6
inches of rain possible through Friday afternoon. Do not expect
any flooding problems, though there will be some decent rises in
small streams of the eastern Kenai Peninsula. Rain will break up
into showers for inland areas Thursday afternoon as a now
vertically stacked low moves from Bristol Bay into the Gulf and
upper level flow becomes more easterly. The bulk of rain will then
remain along the Gulf coastal areas through Friday, with a chance
of showers over the rest of the area as weak upper waves head
inland.

&&

.SHORT TERM FORECAST SOUTHWEST ALASKA (Days 1 and 2)...
Fairly straightforward with rain moving in with the low entering
Bristol Bay. The rain will being to turn more showery Friday into
Friday night with the low moving farther east in bringing in
northerly flow on Saturday. This northerly flow will not be
sufficient to dry out the area and the upper level trough
remaining over Southwest mainland Alaska will keep showers in the
area into the weekend.

&&

.SHORT TERM FORECAST BERING SEA/ALEUTIANS (Days 1 and 2)...
The Western and Central Bering Sea will have high pressure
building over them Thursday and then another low will enter the
Western Bering leaving the ridge over the Central Bering. This
will bring areas of low clouds and fog in the these areas under
the ridge as typically happens. The Eastern Bering Sea will see
marine Gale force winds develop between the low in Bristol Bay and
the ridge in the Central Bering Sea.

&&

.LONG TERM FORECAST (Days 4 through 7)...

Beginning the extended period forecast Saturday night, there will
be a small upper level low somewhere in the vicinity of eastern
Bristol Bay and the Alaska Peninsula with a departing weak
shortwave trough moving east toward the Yukon. There will be weak
upper level ridging over the northwest Bering Sea with an
undercutting Pacific jet stream crossing the Aleutian Chain.
Showers will mainly be impacting the Southcentral region with
drier air filtering over Southwest Alaska. A very brief drier
period will develop Monday as upper level heights build over
Alaska ahead of a deepening North Pacific low. Complex wave
mergers throw quite a bit of uncertainty in the overall forecast
of the low track, but it looks like a rather impressive surface
low will eventually develop and move north toward Kodiak Island
and the Alaska Peninsula region Monday night into Tuesday. With a
strong Northeast Pacific ridge axis in place, this low will have a
lot of potential for amplification along with heavy coastal rain
and strong winds. Expect rain to also impact most interior
locations Tuesday and Wednesday given the amount of moisture most
of the global models are progging. A lot of details remain
uncertain at this time, but the general idea is to expect a
dramatic uptick in wet weather along with potential higher impacts
to coastal regions. Stay tuned.

&&

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

&&

SYNOPSIS AND MODEL DISCUSSION...LF
SOUTHCENTRAL ALASKA...SB
SOUTHWEST ALASKA/BERING SEA/ALEUTIANS...EZ
LONG TERM...JA

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 24, 3:48 AM AKDTGale WarningAFC36 hr
Aug 24, 4:08 AM AKDTSmall Craft AdvisoryAFC48 hr
Aug 24, 4:10 AM AKDTGale WarningAFC12 hr
Aug 24, 3:48 PM AKDTSmall Craft AdvisoryAFC24 hr

Nearby

Gale Warnings in Alaska, 2017Every gale warning in 2017

Sources

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