972
FZAK52 PAFC 201025
CWFALU

Coastal Waters Forecast
National Weather Service Anchorage Alaska
225 AM AKDT Thu Aug 20 2026

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.

PKZ199-202330-
225 AM AKDT Thu Aug 20 2026
.SYNOPSIS FOR SOUTHWEST ALASKA+BRISTOL BAY+THE ALASKA
PENINSULA WATERS AND THE ALEUTIAN ISLANDS...

A 1012 mb low 75 nm S of Dillingham moves inland and dissipates
by Thu afternoon. A 1000 mb low Fri morning moves to 63N 172W,
then to the Norton Sound Fri afternoon at 998 mb, and then inland
by Sat morning. Its front moves across the Bering through Sat
morning.

$$

PKZ750-202330-
Sitkinak to Castle Cape out to 15 NM-
225 AM AKDT Thu Aug 20 2026

.TODAY...Variable wind 10 kt. Seas 3 ft.
.TONIGHT...Variable wind 10 kt. Seas 3 ft.
.FRI...SW wind 15 kt. Seas 3 ft.
.FRI NIGHT...SW wind 25 kt. Seas 6 ft.
.SAT THROUGH SUN...NW wind 20 kt. Seas 5 ft.
.MON...Variable wind 10 kt. Seas 3 ft.

$$

PKZ751-202330-
Sitkinak to Castle Cape from 15 to 100 NM-
225 AM AKDT Thu Aug 20 2026

.TODAY...W wind 15 kt. Seas 5 ft.
.TONIGHT...W wind 15 kt. Seas 4 ft.
.FRI...W wind 15 kt. Seas 4 ft.
.FRI NIGHT...SW wind 25 kt. Seas 6 ft.
.SAT...NW wind 25 kt. Seas 8 ft.
.SUN...NW wind 20 kt. Seas 7 ft.
.MON...W wind 15 kt. Seas 4 ft.

$$

PKZ752-202330-
Castle Cape to Cape Tolstoi out to 15 NM-
225 AM AKDT Thu Aug 20 2026

.TODAY...W wind 15 kt. Seas 3 ft.
.TONIGHT...NW wind 15 kt. Seas 2 ft.
.FRI...SW wind 15 kt. Seas 2 ft.
.FRI NIGHT...SW wind 20 kt. Seas 5 ft.
.SAT...NW wind 25 kt. Seas 4 ft.
.SUN...W wind 15 kt. Seas 2 ft.
.MON...Variable wind 10 kt. Seas 3 ft.

$$

PKZ753-202330-
Castle Cape to Cape Tolstoi from 15 to 100 NM-
225 AM AKDT Thu Aug 20 2026

.TODAY...Variable wind 10 kt. Seas 4 ft.
.TONIGHT...W wind 15 kt. Seas 4 ft.
.FRI...Variable wind 10 kt becoming SW 20 kt in the afternoon.
Seas
4 ft.
.FRI NIGHT...SW wind 25 kt. Seas 7 ft.
.SAT...NW wind 25 kt. Seas 7 ft.
.SUN THROUGH MON...W wind 15 kt. Seas 5 ft.

$$

PKZ754-202330-
Cape Tolstoi to Cape Sarichef out to 15 NM-
225 AM AKDT Thu Aug 20 2026

...SMALL CRAFT ADVISORY FRIDAY...

.TODAY...Variable wind 10 kt. Seas 3 ft.
.TONIGHT...Variable wind 10 kt. Seas 3 ft.
.FRI...SW wind 15 kt increasing to 25 kt in the afternoon. Seas
4 ft.
.FRI NIGHT...W wind 25 kt. Seas 6 ft.
.SAT...NW wind 25 kt. Seas 4 ft.
.SUN...Variable wind 10 kt. Seas 3 ft.
.MON...SW wind 15 kt. Seas 5 ft.

$$

PKZ755-202330-
Cape Tolstoi to Unalga Pass from 15 to 100 NM-
225 AM AKDT Thu Aug 20 2026

...SMALL CRAFT ADVISORY FRIDAY...

.TODAY...NW wind 15 kt. Seas 5 ft.
.TONIGHT...W wind 15 kt. Seas 4 ft.
.FRI...SW wind 15 kt increasing to 25 kt in the afternoon. Seas
6 ft.
.FRI NIGHT...W wind 25 kt. Seas 7 ft.
.SAT...NW wind 25 kt. Seas 7 ft.
.SUN THROUGH MON...SW wind 15 kt. Seas 5 ft.

$$

PKZ756-202330-
Port Heiden to Nelson Lagoon out to 15 NM-
225 AM AKDT Thu Aug 20 2026

.TODAY...W wind 15 kt. Seas 2 ft.
.TONIGHT...Variable wind 10 kt. Seas 2 ft.
.FRI...S wind 20 kt. Seas 2 ft.
.FRI NIGHT...SW wind 20 kt. Seas 6 ft.
.SAT...NW wind 20 kt. Seas 9 ft.
.SUN...W wind 15 kt. Seas 5 ft.
.MON...SW wind 15 kt. Seas 6 ft.

$$

PKZ757-202330-
Port Heiden to Nelson Lagoon from 15 to 60 NM-
225 AM AKDT Thu Aug 20 2026

.TODAY...Variable wind 10 kt. Seas 2 ft.
.TONIGHT...Variable wind 10 kt. Seas 2 ft.
.FRI...S wind 20 kt. Seas 3 ft.
.FRI NIGHT...SW wind 20 kt. Seas 6 ft.
.SAT...NW wind 20 kt. Seas 9 ft.
.SUN...W wind 15 kt. Seas 6 ft.
.MON...SW wind 20 kt. Seas 6 ft.

$$

PKZ758-202330-
Nelson Lagoon to Cape Sarichef out to 15 NM-
225 AM AKDT Thu Aug 20 2026

.TODAY...Variable wind 10 kt. Seas 2 ft.
.TONIGHT...SW wind 15 kt. Seas 2 ft.
.FRI...S wind 20 kt. Seas 3 ft. Rain.
.FRI NIGHT...W wind 20 kt. Seas 6 ft.
.SAT...NW wind 20 kt. Seas 8 ft.
.SUN THROUGH MON...SW wind 15 kt. Seas 6 ft.

$$

PKZ759-202330-
Nelson Lagoon to Unalga Pass 15 to 70 nm-
225 AM AKDT Thu Aug 20 2026

...SMALL CRAFT ADVISORY FRIDAY...

.TODAY...Variable wind 10 kt. Seas 3 ft.
.TONIGHT...W wind 15 kt. Seas 2 ft.
.FRI...S wind 25 kt. Seas 7 ft. Rain.
.FRI NIGHT...W wind 25 kt. Seas 7 ft.
.SAT...NW wind 20 kt. Seas 8 ft.
.SUN THROUGH MON...SW wind 20 kt. Seas 6 ft.

$$

PKZ768-202330-
Unimak Pass-
225 AM AKDT Thu Aug 20 2026

...SMALL CRAFT ADVISORY FRIDAY...

.TODAY...NW wind 15 kt. Seas 4 ft.
.TONIGHT...W wind 15 kt. Seas 3 ft.
.FRI...SW wind 25 kt. Seas 6 ft.
.FRI NIGHT...W wind 25 kt. Seas 6 ft.
.SAT...NW wind 25 kt. Seas 6 ft.
.SUN THROUGH MON...SW wind 15 kt. Seas 6 ft.

$$

PKZ770-202330-
Unalga Pass to Nikolski Bering Side out to 15 NM-
225 AM AKDT Thu Aug 20 2026

...SMALL CRAFT ADVISORY FRIDAY...

.TODAY...W wind 15 kt. Seas 3 ft.
.TONIGHT...W wind 15 kt. Seas 2 ft.
.FRI...SW wind 25 kt. Seas 5 ft. Rain.
.FRI NIGHT...W wind 20 kt. Seas 5 ft.
.SAT...NW wind 15 kt. Seas 5 ft.
.SUN THROUGH MON...SW wind 20 kt. Seas 5 ft.

$$

PKZ772-202330-
Unalga Pass to Nikolski Bering Side from 15 to 85 NM-
225 AM AKDT Thu Aug 20 2026

...SMALL CRAFT ADVISORY FRIDAY...

.TODAY...Variable wind 10 kt. Seas 3 ft. Patchy fog.
.TONIGHT...SW wind 20 kt. Seas 3 ft.
.FRI...S wind 25 kt. Seas 7 ft. Rain.
.FRI NIGHT...W wind 20 kt. Seas 7 ft.
.SAT...NW wind 15 kt. Seas 6 ft.
.SUN THROUGH MON...SW wind 20 kt. Seas 6 ft.

$$

PKZ771-202330-
Unalaska Bay-
225 AM AKDT Thu Aug 20 2026

.TODAY...W wind 10 kt. Seas 3 ft.
.TONIGHT...W wind 10 kt in the evening becoming variable less than
10 kt. Seas 2 ft.
.FRI...S wind 10 kt becoming SW in the afternoon. Seas 2 ft. Rain.
.FRI NIGHT...W wind 15 kt. Seas 2 ft.
.SAT...NW wind 15 kt. Seas 3 ft.
.SUN...Variable wind less than 10 kt. Seas 3 ft.
.MON...Variable wind less than 10 kt. Seas 2 ft.

$$

PKZ773-202330-
Unalga Pass to Nikolski Pacific Side out to 15 NM-
225 AM AKDT Thu Aug 20 2026

...SMALL CRAFT ADVISORY FRIDAY...

.TODAY...NW wind 15 kt. Seas 4 ft.
.TONIGHT...SW wind 15 kt. Seas 3 ft.
.FRI...SW wind 25 kt. Seas 5 ft.
.FRI NIGHT...W wind 20 kt. Seas 5 ft.
.SAT...NW wind 15 kt. Seas 4 ft.
.SUN...SW wind 15 kt. Seas 4 ft.
.MON...SW wind 20 kt. Seas 6 ft.

$$

PKZ774-202330-
Unalga Pass to Nikolski Pacific Side from 15 to 85 NM-
225 AM AKDT Thu Aug 20 2026

...SMALL CRAFT ADVISORY FRIDAY...

.TODAY...NW wind 15 kt. Seas 4 ft.
.TONIGHT...W wind 15 kt. Seas 3 ft.
.FRI...SW wind 25 kt. Seas 6 ft.
.FRI NIGHT...W wind 25 kt. Seas 6 ft.
.SAT...NW wind 20 kt. Seas 5 ft.
.SUN THROUGH MON...SW wind 15 kt. Seas 6 ft.

$$

PKZ775-202330-
Nikolski to Seguam Bering Side out to 15 NM-
225 AM AKDT Thu Aug 20 2026

.TODAY...Variable wind 10 kt. Seas 4 ft. Patchy fog.
.TONIGHT...SW wind 20 kt. Seas 4 ft. Patchy fog.
.FRI...SW wind 20 kt. Seas 6 ft.
.FRI NIGHT...W wind 20 kt. Seas 7 ft.
.SAT...Variable wind 10 kt. Seas 5 ft.
.SUN THROUGH MON...SW wind 20 kt. Seas 6 ft.

$$

PKZ776-202330-
Nikolski to Seguam Bering Side from 15 to 85 NM-
225 AM AKDT Thu Aug 20 2026

...SMALL CRAFT ADVISORY FRIDAY...

.TODAY...W wind 15 kt. Seas 3 ft. Patchy fog.
.TONIGHT...SW wind 20 kt. Seas 5 ft. Patchy fog.
.FRI...SW wind 25 kt. Seas 8 ft.
.FRI NIGHT...W wind 20 kt. Seas 8 ft.
.SAT...W wind 15 kt. Seas 5 ft.
.SUN THROUGH MON...SW wind 20 kt. Seas 8 ft.

$$

PKZ777-202330-
Nikolski to Seguam Pacfic Side out to 15 NM-
225 AM AKDT Thu Aug 20 2026

.TODAY...Variable wind 10 kt. Seas 4 ft. Patchy fog.
.TONIGHT...SW wind 20 kt. Seas 4 ft. Patchy fog.
.FRI...SW wind 20 kt. Seas 5 ft.
.FRI NIGHT...W wind 20 kt. Seas 6 ft.
.SAT...W wind 15 kt. Seas 5 ft.
.SUN THROUGH MON...SW wind 20 kt. Seas 7 ft.

$$

PKZ778-202330-
Nikolski to Seguam Pacific Side from 15 to 75 NM-
225 AM AKDT Thu Aug 20 2026

.TODAY...NW wind 15 kt. Seas 4 ft. Patchy fog.
.TONIGHT...SW wind 20 kt. Seas 4 ft. Patchy fog.
.FRI...SW wind 20 kt. Seas 6 ft.
.FRI NIGHT...W wind 20 kt. Seas 7 ft.
.SAT...W wind 15 kt. Seas 6 ft.
.SUN THROUGH MON...SW wind 20 kt. Seas 7 ft.

$$

PKZ780-202330-
Seguam to Adak Bering Side out to 15 NM-
225 AM AKDT Thu Aug 20 2026

...SMALL CRAFT ADVISORY FRIDAY...

.TODAY...SW wind 15 kt. Seas 2 ft. Patchy fog.
.TONIGHT...SW wind 20 kt. Seas 3 ft. Patchy fog.
.FRI...W wind 25 kt. Seas 7 ft.
.FRI NIGHT...W wind 20 kt. Seas 6 ft.
.SAT...SW wind 20 kt. Seas 5 ft.
.SUN...SW wind 25 kt. Seas 5 ft.
.MON...SW wind 20 kt. Seas 5 ft.

$$

PKZ781-202330-
Seguam to Adak Bering Side from 15 to 85 NM-
225 AM AKDT Thu Aug 20 2026

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

.TODAY...SW wind 20 kt. Seas 4 ft. Patchy fog.
.TONIGHT...SW wind 25 kt. Seas 6 ft. Patchy fog.
.FRI...W wind 25 kt. Seas 8 ft.
.FRI NIGHT...W wind 25 kt. Seas 8 ft.
.SAT...SW wind 20 kt. Seas 6 ft.
.SUN...SW wind 25 kt. Seas 8 ft.
.MON...SW wind 20 kt. Seas 7 ft.

$$

PKZ782-202330-
Seguam to Adak Pacific Side out to 15 NM-
225 AM AKDT Thu Aug 20 2026

.TODAY...SW wind 15 kt. Seas 3 ft. Patchy fog.
.TONIGHT...SW wind 20 kt. Seas 5 ft. Patchy fog.
.FRI...W wind 20 kt. Seas 5 ft.
.FRI NIGHT...W wind 20 kt. Seas 5 ft.
.SAT...SW wind 15 kt. Seas 4 ft.
.SUN THROUGH MON...SW wind 20 kt. Seas 7 ft.

$$

PKZ783-202330-
Seguam to Adak Pacific Side from 15 to 75 NM-
225 AM AKDT Thu Aug 20 2026

...SMALL CRAFT ADVISORY FRIDAY...

.TODAY...W wind 15 kt. Seas 4 ft. Patchy fog.
.TONIGHT...SW wind 20 kt. Seas 5 ft. Patchy fog.
.FRI...W wind 25 kt. Seas 6 ft.
.FRI NIGHT...W wind 20 kt. Seas 6 ft.
.SAT...SW wind 15 kt. Seas 5 ft.
.SUN THROUGH MON...SW wind 20 kt. Seas 8 ft.

$$

PKZ784-202330-
Adak to Kiska Bering Side-
225 AM AKDT Thu Aug 20 2026

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

.TODAY...SW wind 20 kt. Seas 5 ft. Patchy fog.
.TONIGHT...SW wind 25 kt. Seas 8 ft. Patchy fog.
.FRI...W wind 25 kt. Seas 9 ft.
.FRI NIGHT...W wind 20 kt. Seas 8 ft.
.SAT THROUGH SUN...SW wind 25 kt. Seas 7 ft.
.MON...SW wind 20 kt. Seas 6 ft.

$$

PKZ785-202330-
Adak to Kiska Pacific Side-
225 AM AKDT Thu Aug 20 2026

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

.TODAY...SW wind 20 kt. Seas 5 ft. Patchy fog.
.TONIGHT...W wind 25 kt. Seas 6 ft. Patchy fog.
.FRI...W wind 25 kt. Seas 6 ft.
.FRI NIGHT...SW wind 20 kt. Seas 6 ft.
.SAT THROUGH SUN...SW wind 25 kt. Seas 9 ft.
.MON...SW wind 20 kt. Seas 8 ft.

$$

PKZ786-202330-
Kiska to Attu Bering Side-
225 AM AKDT Thu Aug 20 2026

...SMALL CRAFT ADVISORY THROUGH FRIDAY...

.TODAY...SW wind 30 kt. Seas 8 ft. Patchy fog.
.TONIGHT...SW wind 30 kt. Seas 11 ft. Patchy fog.
.FRI...W wind 25 kt. Seas 10 ft.
.FRI NIGHT...SW wind 15 kt. Seas 6 ft.
.SAT THROUGH SUN...SW wind 25 kt. Seas 8 ft.
.MON...SW wind 15 kt. Seas 6 ft.

$$

PKZ787-202330-
Kiska to Attu Pacific Side-
225 AM AKDT Thu Aug 20 2026

...SMALL CRAFT ADVISORY THROUGH FRIDAY...

.TODAY...SW wind 25 kt. Seas 7 ft. Patchy fog.
.TONIGHT...SW wind 25 kt. Seas 9 ft. Patchy fog.
.FRI...SW wind 25 kt. Seas 8 ft.
.FRI NIGHT...S wind 15 kt. Seas 6 ft.
.SAT THROUGH SUN...SW wind 25 kt. Seas 9 ft.
.MON...SW wind 15 kt. Seas 7 ft.

$$

PKZ766-202330-
Pribilof Islands Nearshore Waters-
225 AM AKDT Thu Aug 20 2026

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

.TODAY...Variable wind 10 kt. Seas 3 ft. Patchy fog.
.TONIGHT...SW wind 15 kt becoming S 25 kt after midnight. Seas 5
ft.
Rain.
.FRI...SW wind 25 kt. Seas 6 ft. Rain.
.FRI NIGHT...NW wind 20 kt. Seas 6 ft.
.SAT...W wind 15 kt. Seas 6 ft.
.SUN THROUGH MON...SW wind 25 kt. Seas 9 ft.

$$

PKZ760-202330-
Bristol Bay greater than 15 NM-
225 AM AKDT Thu Aug 20 2026

.TODAY...Variable wind less than 10 kt becoming W 10 kt in the
afternoon. Seas 1 foot.
.TONIGHT...W wind 15 kt. Seas 2 ft.
.FRI...S wind 20 kt. Seas 3 ft.
.FRI NIGHT...S wind 20 kt. Seas 6 ft.
.SAT...NW wind 20 kt. Seas 7 ft.
.SUN...W wind 15 kt. Seas 5 ft.
.MON...SW wind 15 kt. Seas 6 ft.

$$

PKZ761-202330-
Bristol Bay from Port Heiden to Cape Chichagof out to 15 NM-
225 AM AKDT Thu Aug 20 2026

.TODAY...SW wind 10 kt. Seas 1 foot.
.TONIGHT...W wind 10 kt increasing to 15 kt after midnight. Seas
2 ft.
.FRI...SW wind 15 kt. Seas 2 ft.
.FRI NIGHT...S wind 20 kt. Seas 5 ft.
.SAT...W wind 20 kt. Seas 7 ft.
.SUN...W wind 15 kt. Seas 5 ft.
.MON...SW wind 15 kt. Seas 5 ft.

$$

PKZ762-202330-
Bristol Bay from Cape Chichagof to Cape Pierce out to 15 NM-
225 AM AKDT Thu Aug 20 2026

.TODAY...Variable wind less than 10 kt becoming W 10 kt in the
afternoon. Seas 1 foot.
.TONIGHT...W wind 15 kt. Seas 2 ft.
.FRI...S wind 20 kt. Seas 2 ft.
.FRI NIGHT...S wind 20 kt. Seas 4 ft.
.SAT...NW wind 20 kt. Seas 4 ft.
.SUN...W wind 15 kt. Seas 3 ft.
.MON...SW wind 15 kt. Seas 5 ft.

$$

PKZ763-202330-
Kuskokwim Delta and Etolin Strait out to 15 NM-
225 AM AKDT Thu Aug 20 2026

...SMALL CRAFT ADVISORY FRIDAY...

.TODAY...Variable wind less than 10 kt becoming W 10 kt in the
afternoon. Seas 1 foot.
.TONIGHT...SW wind 15 kt. Seas 2 ft.
.FRI...S wind 25 kt. Seas 5 ft. Rain.
.FRI NIGHT...W wind 25 kt. Seas 6 ft.
.SAT...NW wind 25 kt. Seas 6 ft.
.SUN THROUGH MON...SW wind 30 kt. Seas 6 ft.

$$

PKZ764-202330-
Kuskokwim Delta from 15 to 80 NM-
225 AM AKDT Thu Aug 20 2026

...SMALL CRAFT ADVISORY FRIDAY...

.TODAY...W wind 10 kt. Seas 2 ft.
.TONIGHT...SW wind 15 kt. Seas 2 ft.
.FRI...S wind 25 kt. Seas 7 ft. Rain.
.FRI NIGHT...W wind 25 kt. Seas 7 ft.
.SAT...NW wind 25 kt. Seas 8 ft.
.SUN THROUGH MON...SW wind 25 kt. Seas 9 ft.

$$

PKZ765-202330-
North and West of Nunivak Island-
225 AM AKDT Thu Aug 20 2026

.TODAY...Variable wind 10 kt becoming SW 15 kt in the afternoon.
Seas 3 ft.
.TONIGHT...SW wind 20 kt. Seas 4 ft. Rain.
.FRI...S wind 20 kt. Seas 6 ft. Rain.
.FRI NIGHT...NW wind 25 kt. Seas 9 ft.
.SAT...N wind 25 kt. Seas 9 ft.
.SUN THROUGH MON...SW wind 25 kt. Seas 10 ft.

$$

PKZ767-202330-
Saint Matthew Island Waters-
225 AM AKDT Thu Aug 20 2026

.TODAY...SW wind 20 kt. Seas 4 ft.
.TONIGHT...SW wind 20 kt. Seas 5 ft. Rain.
.FRI...NW wind 20 kt. Seas 5 ft.
.FRI NIGHT...NW wind 25 kt. Seas 7 ft.
.SAT...SE wind 25 kt. Seas 7 ft.
.SUN...S wind 25 kt. Seas 10 ft.
.MON...SW wind 25 kt. Seas 10 ft.

$$