877
FZAK51 PAFG 202348
CWFNSB

Coastal Waters Forecast for Arctic Alaska
National Weather Service Fairbanks AK
348 PM AKDT Wed Aug 20 2025

Arctic Alaska Coastal Waters out 100 NM

Wind forecasts reflect the predominant speed and direction
expected. Sea forecasts represent the average of the highest one-
third of the combined wind-wave and swell height.

PKZ811-211400-
Cape Thompson to Cape Beaufort out to 15 NM-
348 PM AKDT Wed Aug 20 2025

...SMALL CRAFT ADVISORY IN EFFECT THROUGH THURSDAY MORNING...

.TONIGHT...S winds 30 kt. Seas 8 ft. Rain.
.THU...N winds 25 kt. Seas 4 ft.
.THU NIGHT...NW winds 10 kt. Seas 3 ft.
.FRI...SW winds 10 kt. Seas 3 ft.
.FRI NIGHT...SE winds 15 kt. Seas 3 ft. Rain.
.SAT...NE winds 15 kt. Seas 6 ft. Rain.
.SAT NIGHT...N winds 15 kt. Seas 5 ft.
.SUN...N winds 15 kt. Seas 5 ft.
.MON...N winds 20 kt. Seas 5 ft.

$$

PKZ812-211400-
Cape Beaufort to Point Franklin out to 15 NM-
348 PM AKDT Wed Aug 20 2025

...SMALL CRAFT ADVISORY IN EFFECT THROUGH THURSDAY MORNING...

.TONIGHT...S winds 30 kt. Seas 8 ft. Rain.
.THU...N winds 25 kt. Seas 6 ft. Rain.
.THU NIGHT...W winds 15 kt. Seas 3 ft.
.FRI...SW winds 15 kt. Seas 3 ft.
.FRI NIGHT...SE winds 10 kt. Seas 2 ft.
.SAT...NE winds 15 kt. Seas 3 ft.
.SAT NIGHT...N winds 15 kt. Seas 4 ft.
.SUN...N winds 10 kt. Seas 4 ft.
.MON...NW winds 15 kt. Seas 3 ft.

$$

PKZ813-211400-
Point Franklin to Cape Halkett out to 15 NM-
348 PM AKDT Wed Aug 20 2025

...SMALL CRAFT ADVISORY IN EFFECT FROM LATE TONIGHT THROUGH
THURSDAY AFTERNOON...

.TONIGHT...S winds 25 kt. Seas building to 5 ft. Rain.
.THU...SW winds 25 kt. Seas 5 ft. Rain.
.THU NIGHT...NW winds 20 kt. Seas 4 ft.
.FRI...W winds 15 kt. Seas 3 ft.
.FRI NIGHT...SW winds 10 kt. Seas 2 ft.
.SAT...N winds 15 kt. Seas 3 ft.
.SAT NIGHT...NW winds 15 kt. Seas 3 ft.
.SUN...N winds 10 kt. Seas 2 ft.
.MON...W winds 10 kt. Seas 2 ft.

$$

PKZ814-211400-
Cape Halkett to Flaxman Island out to 15 NM-
348 PM AKDT Wed Aug 20 2025

...SMALL CRAFT ADVISORY IN EFFECT FROM LATE TONIGHT THROUGH
THURSDAY AFTERNOON...

.TONIGHT...S winds 25 kt. Seas building to 4 ft.
.THU...SW winds 25 kt. Seas 5 ft.
.THU NIGHT...NW winds 20 kt. Seas 4 ft.
.FRI...W winds 15 kt. Seas 3 ft.
.FRI NIGHT...S winds 10 kt. Seas 2 ft.
.SAT...S winds 15 kt. Seas 4 ft. Rain.
.SAT NIGHT...NW winds 15 kt. Seas 4 ft. Rain.
.SUN...NE winds 10 kt. Seas 2 ft.
.MON...E winds 10 kt. Seas 2 ft.

$$

PKZ815-211400-
Flaxman Island to Demarcation Point out to 15 NM-
348 PM AKDT Wed Aug 20 2025

.TONIGHT...S winds 20 kt. Seas building to 4 ft.
.THU...SW winds 20 kt. Seas 4 ft.
.THU NIGHT...W winds 20 kt. Seas 4 ft.
.FRI...NW winds 10 kt. Seas 2 ft.
.FRI NIGHT...SE winds 10 kt. Seas 3 ft.
.SAT...SE winds 15 kt. Seas 4 ft.
.SAT NIGHT...W winds 20 kt. Seas 4 ft. Rain.
.SUN...E winds 10 kt. Seas 3 ft.
.MON...E winds 10 kt. Seas 2 ft.

$$

PKZ857-211400-
Cape Thompson to Cape Beaufort from 15 to 85 NM-
348 PM AKDT Wed Aug 20 2025

...SMALL CRAFT ADVISORY IN EFFECT THROUGH THURSDAY MORNING...

.TONIGHT...S winds 30 kt. Seas 9 ft. Rain.
.THU...N winds 25 kt. Seas 5 ft.
.THU NIGHT...W winds 10 kt. Seas 3 ft.
.FRI...S winds 15 kt. Seas 3 ft.
.FRI NIGHT...E winds 10 kt. Seas 3 ft.
.SAT...N winds 20 kt. Seas 5 ft.
.SAT NIGHT...N winds 15 kt. Seas 6 ft.
.SUN...N winds 15 kt. Seas 5 ft.
.MON...N winds 20 kt. Seas 6 ft.

$$

PKZ858-211400-
Cape Beaufort to Point Franklin from 15 to 85 NM-
348 PM AKDT Wed Aug 20 2025

...SMALL CRAFT ADVISORY IN EFFECT THROUGH THURSDAY MORNING...

.TONIGHT...S winds 30 kt. Seas 10 ft. Rain.
.THU...N winds 25 kt. Seas 7 ft.
.THU NIGHT...W winds 15 kt. Seas 4 ft.
.FRI...W winds 15 kt. Seas 3 ft.
.FRI NIGHT...S winds 10 kt. Seas 3 ft.
.SAT...NE winds 15 kt. Seas 4 ft.
.SAT NIGHT...NW winds 15 kt. Seas 5 ft.
.SUN...N winds 10 kt. Seas 4 ft.
.MON...NW winds 15 kt. Seas 4 ft.

$$

PKZ859-211400-
Point Franklin to Cape Halkett from 15 to 75 NM-
348 PM AKDT Wed Aug 20 2025

...SMALL CRAFT ADVISORY IN EFFECT FROM THIS EVENING THROUGH
THURSDAY AFTERNOON...

.TONIGHT...S winds 25 kt. Seas 4 ft building to 6 ft. Rain and
snow.
.THU...SW winds 25 kt. Seas 7 ft. Rain.
.THU NIGHT...W winds 20 kt. Seas 4 ft.
.FRI...W winds 15 kt. Seas 3 ft.
.FRI NIGHT...SW winds 10 kt. Seas 3 ft.
.SAT...N winds 10 kt. Seas 3 ft.
.SAT NIGHT...NW winds 15 kt. Seas 3 ft.
.SUN...W winds 10 kt. Seas 3 ft.
.MON...W winds 10 kt. Seas 3 ft.

$$

PKZ860-211400-
Cape Halkett to Flaxman Island from 15 to 80 NM-
348 PM AKDT Wed Aug 20 2025

...SMALL CRAFT ADVISORY IN EFFECT FROM LATE TONIGHT THROUGH
THURSDAY AFTERNOON...

.TONIGHT...S winds 25 kt. Seas building to 5 ft.
.THU...S winds 25 kt. Seas 5 ft.
.THU NIGHT...NW winds 20 kt. Seas 4 ft.
.FRI...W winds 15 kt. Seas 3 ft.
.FRI NIGHT...S winds 10 kt. Seas 3 ft.
.SAT...SE winds 15 kt. Seas 3 ft.
.SAT NIGHT...NW winds 15 kt. Seas 4 ft. Rain and snow.
.SUN...N winds 10 kt. Seas 2 ft.
.MON...SW winds 5 kt. Seas 2 ft.

$$

PKZ861-211400-
Flaxman Island to Demarcation Point from 15 to 75 NM-
348 PM AKDT Wed Aug 20 2025

...SMALL CRAFT ADVISORY IN EFFECT THURSDAY AFTERNOON...

.TONIGHT...SE winds 20 kt. Seas 4 ft.
.THU...SW winds 25 kt. Seas 4 ft.
.THU NIGHT...SW winds 20 kt. Seas 4 ft.
.FRI...W winds 10 kt. Seas 2 ft.
.FRI NIGHT...S winds 10 kt. Seas 3 ft.
.SAT...SE winds 20 kt. Seas 4 ft.
.SAT NIGHT...W winds 20 kt. Seas 5 ft. Rain.
.SUN...NW winds 10 kt. Seas 3 ft.
.MON...SE winds 10 kt. Seas 2 ft.

$$

Aug 25