115
FZAK52 PAFC 210413
CWFALU

Coastal Waters Forecast
National Weather Service Anchorage Alaska
813 PM AKDT Wed Aug 20 2025

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.

PKZ199-211715-
813 PM AKDT Wed Aug 20 2025
.SYNOPSIS FOR SOUTHWEST ALASKA+BRISTOL BAY+THE ALASKA
PENINSULA WATERS AND THE ALEUTIAN ISLANDS...

A front continues to move across the northern Bering through Wed
night. A second front from a 1004 mb Kamchatka low will track across
the Bering and weaken through Fri afternoon.

$$

PKZ750-211715-
Sitkinak to Castle Cape out to 15 NM-
813 PM AKDT Wed Aug 20 2025

.TONIGHT...Variable wind 10 kt. Seas 2 ft.
.THU...Variable wind 10 kt. Seas 2 ft.
.THU NIGHT...Variable wind 10 kt. Seas 3 ft.
.FRI...N wind 15 kt. Seas 3 ft.
.FRI NIGHT...Variable wind 10 kt. Seas 2 ft.
.SAT...Variable wind 10 kt. Seas 2 ft.
.SUN...Variable wind 10 kt. Seas 2 ft.
.MON...S wind 20 kt. Seas 4 ft.

$$

PKZ751-211715-
Sitkinak to Castle Cape from 15 to 100 NM-
813 PM AKDT Wed Aug 20 2025

.TONIGHT...NE wind 15 kt. Seas 4 ft.
.THU...NE wind 15 kt. Seas 6 ft.
.THU NIGHT...N wind 20 kt. Seas 7 ft.
.FRI...N wind 20 kt. Seas 6 ft.
.FRI NIGHT...NW wind 15 kt. Seas 6 ft.
.SAT...NW wind 15 kt. Seas 5 ft.
.SUN...Variable wind 10 kt. Seas 3 ft.
.MON...S wind 20 kt. Seas 4 ft.

$$

PKZ752-211715-
Castle Cape to Cape Tolstoi out to 15 NM-
813 PM AKDT Wed Aug 20 2025

.TONIGHT...Variable wind 10 kt. Seas 2 ft.
.THU...Variable wind 10 kt. Seas 2 ft.
.THU NIGHT...Variable wind 10 kt. Seas 4 ft.
.FRI...Variable wind 10 kt. Seas 3 ft.
.FRI NIGHT...Variable wind 10 kt. Seas 3 ft.
.SAT...Variable wind 10 kt. Seas 2 ft.
.SUN...Variable wind 10 kt. Seas 2 ft.
.MON...S wind 20 kt. Seas 4 ft.

$$

PKZ753-211715-
Castle Cape to Cape Tolstoi from 15 to 100 NM-
813 PM AKDT Wed Aug 20 2025

.TONIGHT...Variable wind 10 kt. Seas 3 ft.
.THU...Variable wind 10 kt. Seas 3 ft.
.THU NIGHT...Variable wind 10 kt. Seas 5 ft.
.FRI...Variable wind 10 kt. Seas 5 ft.
.FRI NIGHT...Variable wind 10 kt. Seas 4 ft.
.SAT...Variable wind 10 kt. Seas 4 ft.
.SUN...Variable wind 10 kt. Seas 3 ft.
.MON...S wind 20 kt. Seas 6 ft.

$$

PKZ754-211715-
Cape Tolstoi to Cape Sarichef out to 15 NM-
813 PM AKDT Wed Aug 20 2025

.TONIGHT...NW wind 15 kt in the evening becoming variable 10 kt.
Seas 2 ft.
.THU...Variable wind 10 kt. Seas 1 foot.
.THU NIGHT...Variable wind 10 kt. Seas 1 foot.
.FRI...Variable wind 10 kt. Seas 2 ft.
.FRI NIGHT...Variable wind 10 kt. Seas 2 ft.
.SAT...Variable wind 10 kt. Seas 2 ft.
.SUN...SW wind 15 kt. Seas 2 ft.
.MON...S wind 20 kt. Seas 7 ft.

$$

PKZ755-211715-
Cape Tolstoi to Cape Sarichef from 15 to 100 NM-
813 PM AKDT Wed Aug 20 2025

.TONIGHT...Variable wind 10 kt. Seas 3 ft.
.THU...Variable wind 10 kt. Seas 2 ft.
.THU NIGHT...Variable wind 10 kt. Seas 4 ft.
.FRI...Variable wind 10 kt. Seas 4 ft.
.FRI NIGHT...Variable wind 10 kt. Seas 4 ft.
.SAT...Variable wind 10 kt. Seas 4 ft.
.SUN...SW wind 15 kt. Seas 3 ft.
.MON...S wind 25 kt. Seas 10 ft.

$$

PKZ756-211715-
Port Heiden to Nelson Lagoon out to 15 NM-
813 PM AKDT Wed Aug 20 2025

.TONIGHT...Variable wind 10 kt. Seas 2 ft.
.THU...Variable wind 10 kt. Seas 1 foot.
.THU NIGHT...Variable wind 10 kt. Seas 2 ft.
.FRI...Variable wind 10 kt. Seas 2 ft.
.FRI NIGHT...Variable wind 10 kt. Seas 2 ft.
.SAT...SW wind 15 kt. Seas 3 ft.
.SUN...S wind 15 kt. Seas 4 ft.
.MON...SE wind 20 kt. Seas 5 ft.

$$

PKZ757-211715-
Port Heiden to Nelson Lagoon from 15 to 60 NM-
813 PM AKDT Wed Aug 20 2025

.TONIGHT...Variable wind 10 kt. Seas 2 ft.
.THU...Variable wind 10 kt. Seas 2 ft.
.THU NIGHT...Variable wind 10 kt. Seas 2 ft.
.FRI...Variable wind 10 kt. Seas 2 ft.
.FRI NIGHT...S wind 15 kt. Seas 2 ft.
.SAT THROUGH SUN...S wind 15 kt. Seas 5 ft.
.MON...S wind 25 kt. Seas 9 ft.

$$

PKZ758-211715-
Nelson Lagoon to Cape Sarichef out to 15 NM-
813 PM AKDT Wed Aug 20 2025

.TONIGHT...Variable wind 10 kt. Seas 2 ft.
.THU...Variable wind 10 kt. Seas 2 ft.
.THU NIGHT...Variable wind 10 kt. Seas 2 ft.
.FRI...Variable wind 10 kt. Seas 2 ft.
.FRI NIGHT...S wind 15 kt. Seas 2 ft.
.SAT THROUGH SUN...S wind 15 kt. Seas 5 ft.
.MON...S wind 25 kt. Seas 6 ft.

$$

PKZ759-211715-
Nelson Lagoon to Cape Sarichef from 15 to 70 NM-
813 PM AKDT Wed Aug 20 2025

.TONIGHT...Variable wind 10 kt. Seas 2 ft.
.THU...Variable wind 10 kt. Seas 2 ft.
.THU NIGHT...Variable wind 10 kt. Seas 3 ft.
.FRI...SE wind 15 kt. Seas 2 ft.
.FRI NIGHT...SW wind 15 kt. Seas 3 ft.
.SAT...SW wind 15 kt. Seas 6 ft.
.SUN...S wind 20 kt. Seas 6 ft.
.MON...S wind 25 kt. Seas 9 ft.

$$

PKZ770-211715-
Cape Sarichef to Nikolski Bering Side out to 15 NM-
813 PM AKDT Wed Aug 20 2025

.TONIGHT...Variable wind 10 kt. Seas 2 ft. Areas of fog.
.THU...S wind 15 kt. Seas 2 ft. Areas of fog. Rain showers.
.THU NIGHT...S wind 15 kt. Seas 2 ft. Rain showers.
.FRI AND FRI NIGHT...Variable wind 10 kt. Seas 2 ft.
.SAT...Variable wind 10 kt. Seas 4 ft.
.SUN THROUGH MON...S wind 25 kt. Seas 5 ft.

$$

PKZ772-211715-
Cape Sarichef to Nikolski Bering Side from 15 to 85 NM-
813 PM AKDT Wed Aug 20 2025

.TONIGHT...Variable wind 10 kt. Seas 2 ft. Areas of fog.
.THU...S wind 15 kt. Seas 3 ft. Areas of fog. Rain showers.
.THU NIGHT...S wind 15 kt. Seas 3 ft.
.FRI AND FRI NIGHT...Variable wind 10 kt. Seas 2 ft.
.SAT...SW wind 15 kt. Seas 6 ft.
.SUN THROUGH MON...S wind 25 kt. Seas 8 ft.

$$

PKZ771-211715-
Unalaska Bay-
813 PM AKDT Wed Aug 20 2025

.TONIGHT...N wind 10 kt in the evening becoming variable less than
10 kt. Seas 2 ft.
.THU...Variable wind less than 10 kt becoming SE 10 kt in the
afternoon. Seas 1 foot. Areas of fog. Rain showers.
.THU NIGHT...Variable wind less than 10 kt. Seas 1 foot.
.FRI AND FRI NIGHT...Variable wind less than 10 kt. Seas 1 foot.
.SAT...Variable wind less than 10 kt. Seas 2 ft.
.SUN...S wind 15 kt. Seas 2 ft.
.MON...S wind 20 kt. Seas 3 ft.

$$

PKZ773-211715-
Cape Sarichef to Nikolski Pacific Side out to 15 NM-
813 PM AKDT Wed Aug 20 2025

.TONIGHT...W wind 15 kt. Seas 2 ft. Areas of fog.
.THU...S wind 15 kt. Seas 2 ft. Areas of fog. Rain showers.
.THU NIGHT...SW wind 15 kt. Seas 3 ft. Rain showers.
.FRI...Variable wind 10 kt. Seas 3 ft.
.FRI NIGHT...Variable wind 10 kt. Seas 3 ft.
.SAT...Variable wind 10 kt. Seas 2 ft.
.SUN...S wind 20 kt. Seas 5 ft.
.MON...S wind 25 kt. Seas 10 ft.

$$

PKZ774-211715-
Cape Sarichef to Nikolski Pacific Side from 15 to 85 NM-
813 PM AKDT Wed Aug 20 2025

.TONIGHT...Variable wind 10 kt. Seas 3 ft. Areas of fog.
.THU...SW wind 15 kt. Seas 2 ft. Areas of fog. Rain showers.
.THU NIGHT...SW wind 15 kt. Seas 3 ft. Rain showers.
.FRI...Variable wind 10 kt. Seas 4 ft.
.FRI NIGHT...Variable wind 10 kt. Seas 4 ft.
.SAT...Variable wind 10 kt. Seas 4 ft.
.SUN...SW wind 20 kt. Seas 5 ft.
.MON...S wind 25 kt. Seas 11 ft.

$$

PKZ775-211715-
Nikolski to Seguam Bering Side out to 15 NM-
813 PM AKDT Wed Aug 20 2025

.TONIGHT...S wind 15 kt. Seas 2 ft. Areas of fog.
.THU...S wind 20 kt. Seas 3 ft. Areas of fog. Rain showers.
.THU NIGHT...SW wind 15 kt. Seas 3 ft. Areas of fog.
.FRI...W wind 15 kt. Seas 2 ft.
.FRI NIGHT...Variable wind 10 kt. Seas 3 ft.
.SAT...SW wind 15 kt. Seas 4 ft.
.SUN THROUGH MON...S wind 25 kt. Seas 9 ft.

$$

PKZ776-211715-
Nikolski to Seguam Bering Side from 15 to 85 NM-
813 PM AKDT Wed Aug 20 2025

.TONIGHT...S wind 15 kt. Seas 4 ft. Areas of fog. Rain showers.
.THU...S wind 20 kt. Seas 4 ft. Areas of fog. Widespread rain
showers.
.THU NIGHT...SW wind 15 kt. Seas 4 ft. Areas of fog.
.FRI...W wind 20 kt. Seas 4 ft.
.FRI NIGHT...SW wind 15 kt. Seas 4 ft.
.SAT...SW wind 20 kt. Seas 6 ft.
.SUN THROUGH MON...S wind 25 kt. Seas 9 ft.

$$

PKZ777-211715-
Nikolski to Seguam Pacfic Side out to 15 NM-
813 PM AKDT Wed Aug 20 2025

.TONIGHT...S wind 15 kt. Seas 2 ft. Areas of fog.
.THU...S wind 20 kt. Seas 3 ft. Areas of fog. Rain showers.
.THU NIGHT...SW wind 15 kt. Seas 3 ft. Areas of fog.
.FRI...W wind 15 kt. Seas 3 ft.
.FRI NIGHT...Variable wind 10 kt. Seas 3 ft.
.SAT...SW wind 15 kt. Seas 3 ft.
.SUN THROUGH MON...S wind 25 kt. Seas 10 ft.

$$

PKZ778-211715-
Nikolski to Seguam Pacific Side from 15 to 75 NM-
813 PM AKDT Wed Aug 20 2025

.TONIGHT...SW wind 15 kt. Seas 2 ft. Areas of fog.
.THU...SW wind 20 kt. Seas 4 ft. Areas of fog.
.THU NIGHT...SW wind 20 kt. Seas 4 ft. Areas of fog.
.FRI...W wind 15 kt. Seas 4 ft.
.FRI NIGHT...Variable wind 10 kt. Seas 5 ft.
.SAT...SW wind 15 kt. Seas 5 ft.
.SUN...S wind 25 kt. Seas 8 ft.
.MON...S wind 25 kt. Seas 12 ft.

$$

PKZ780-211715-
Seguam to Adak Bering Side out to 15 NM-
813 PM AKDT Wed Aug 20 2025

.TONIGHT...S wind 20 kt. Seas 3 ft. Areas of fog.
.THU...SW wind 20 kt. Seas 2 ft. Areas of fog.
.THU NIGHT...SW wind 15 kt. Seas 2 ft. Areas of fog.
.FRI AND FRI NIGHT...SW wind 20 kt. Seas 3 ft.
.SAT THROUGH SUN...S wind 25 kt. Seas 5 ft.
.MON...SW wind 25 kt. Seas 5 ft.

$$

PKZ781-211715-
Seguam to Adak Bering Side from 15 to 85 NM-
813 PM AKDT Wed Aug 20 2025

.TONIGHT...S wind 20 kt. Seas 4 ft. Areas of fog. Rain showers.
.THU...SW wind 20 kt. Seas 4 ft. Areas of fog. Rain showers.
.THU NIGHT...SW wind 20 kt. Seas 4 ft. Areas of fog.
.FRI AND FRI NIGHT...SW wind 20 kt. Seas 6 ft.
.SAT THROUGH SUN...S wind 25 kt. Seas 7 ft.
.MON...W wind 20 kt. Seas 7 ft.

$$

PKZ782-211715-
Seguam to Adak Pacific Side out to 15 NM-
813 PM AKDT Wed Aug 20 2025

.TONIGHT...S wind 20 kt. Seas 3 ft. Areas of fog.
.THU...SW wind 20 kt. Seas 3 ft. Areas of fog.
.THU NIGHT...SW wind 20 kt. Seas 3 ft. Areas of fog.
.FRI...SW wind 20 kt. Seas 4 ft.
.FRI NIGHT...SW wind 15 kt. Seas 3 ft.
.SAT...S wind 25 kt. Seas 5 ft.
.SUN...S wind 25 kt. Seas 10 ft.
.MON...SW wind 25 kt. Seas 10 ft.

$$

PKZ783-211715-
Seguam to Adak Pacific Side from 15 to 75 NM-
813 PM AKDT Wed Aug 20 2025

.TONIGHT...S wind 20 kt. Seas 4 ft. Areas of fog.
.THU...SW wind 20 kt. Seas 4 ft. Areas of fog.
.THU NIGHT...SW wind 20 kt. Seas 5 ft. Areas of fog.
.FRI...W wind 20 kt. Seas 5 ft.
.FRI NIGHT...SW wind 15 kt. Seas 5 ft.
.SAT THROUGH SUN...S wind 25 kt. Seas 9 ft.
.MON...SW wind 25 kt. Seas 11 ft.

$$

PKZ784-211715-
Adak to Kiska Bering Side-
813 PM AKDT Wed Aug 20 2025

...SMALL CRAFT ADVISORY THURSDAY NIGHT...

.TONIGHT...S wind 20 kt. Seas 4 ft. Areas of fog. Rain showers.
.THU...SW wind 20 kt. Seas 5 ft. Areas of fog.
.THU NIGHT...SW wind 25 kt. Seas 6 ft. Areas of fog.
.FRI...SW wind 25 kt. Seas 7 ft.
.FRI NIGHT...S wind 30 kt. Seas 8 ft.
.SAT...S wind 30 kt. Seas 9 ft.
.SUN...SW wind 20 kt. Seas 6 ft.
.MON...W wind 15 kt. Seas 5 ft.

$$

PKZ785-211715-
Adak to Kiska Pacific Side-
813 PM AKDT Wed Aug 20 2025

...SMALL CRAFT ADVISORY THURSDAY AND THURSDAY NIGHT...

.TONIGHT...S wind 20 kt. Seas 5 ft. Areas of fog.
.THU...SW wind 25 kt. Seas 5 ft. Areas of fog.
.THU NIGHT...SW wind 25 kt. Seas 6 ft. Areas of fog.
.FRI AND FRI NIGHT...S wind 25 kt. Seas 8 ft.
.SAT THROUGH SUN...S wind 25 kt. Seas 9 ft.
.MON...W wind 15 kt. Seas 7 ft.

$$

PKZ786-211715-
Kiska to Attu Bering Side-
813 PM AKDT Wed Aug 20 2025

...GALE WARNING THURSDAY NIGHT...

.TONIGHT...SE wind 20 kt. Seas 4 ft. Areas of fog. Isolated
thunderstorms.
.THU...S wind 30 kt. Seas 5 ft. Rain showers.
.THU NIGHT...S wind 35 kt. Seas 8 ft building to 14 ft after
midnight.
.FRI...S wind 30 kt. Seas 16 ft.
.FRI NIGHT...S wind 30 kt. Seas 9 ft.
.SAT...SW wind 25 kt. Seas 9 ft.
.SUN THROUGH MON...W wind 15 kt. Seas 5 ft.

$$

PKZ787-211715-
Kiska to Attu Pacific Side-
813 PM AKDT Wed Aug 20 2025

...SMALL CRAFT ADVISORY THURSDAY AND THURSDAY NIGHT...

.TONIGHT...S wind 20 kt. Seas 6 ft. Areas of fog. Isolated
thunderstorms.
.THU...S wind 20 kt increasing to 30 kt in the afternoon. Seas 6
ft. Areas of fog.
.THU NIGHT...S wind 30 kt. Seas 12 ft.
.FRI...S wind 25 kt. Seas 13 ft.
.FRI NIGHT...S wind 30 kt. Seas 10 ft.
.SAT...SW wind 30 kt. Seas 9 ft.
.SUN THROUGH MON...W wind 15 kt. Seas 6 ft.

$$

PKZ766-211715-
Pribilof Islands Nearshore Waters-
813 PM AKDT Wed Aug 20 2025

.TONIGHT...SW wind 15 kt. Seas 5 ft. Areas of fog.
.THU...Variable wind 10 kt. Seas 3 ft. Areas of fog.
.THU NIGHT...SE wind 15 kt. Seas 3 ft. Areas of fog.
.FRI AND FRI NIGHT...SW wind 20 kt. Seas 5 ft.
.SAT...SW wind 20 kt. Seas 8 ft.
.SUN THROUGH MON...S wind 25 kt. Seas 9 ft.

$$

PKZ760-211715-
Bristol Bay greater than 15 NM-
813 PM AKDT Wed Aug 20 2025

.TONIGHT...W wind 10 kt. Seas 2 ft.
.THU...SW wind 10 kt. Seas 1 foot.
.THU NIGHT...Variable wind less than 10 kt. Seas 2 ft.
.FRI...Variable wind less than 10 kt. Seas 2 ft.
.FRI NIGHT...SW wind 15 kt. Seas 2 ft.
.SAT...SW wind 15 kt. Seas 3 ft.
.SUN...SW wind 10 kt. Seas 4 ft.
.MON...S wind 20 kt. Seas 7 ft.

$$

PKZ761-211715-
Bristol Bay from Port Heiden to Cape Chichagof out to 15 NM-
813 PM AKDT Wed Aug 20 2025

.TONIGHT...W wind 10 kt in the evening becoming variable less than
10 kt. Seas 2 ft.
.THU...Variable wind less than 10 kt. Seas 1 foot.
.THU NIGHT...Variable wind less than 10 kt. Seas 1 foot.
.FRI...Variable wind less than 10 kt. Seas 2 ft.
.FRI NIGHT...W wind 10 kt. Seas 1 foot.
.SAT...SW wind 15 kt. Seas 2 ft.
.SUN...S wind 10 kt. Seas 3 ft.
.MON...SE wind 20 kt. Seas 4 ft.

$$

PKZ762-211715-
Bristol Bay from Cape Chichagof to Cape Pierce out to 15 NM-
813 PM AKDT Wed Aug 20 2025

.TONIGHT...SW wind 10 kt. Seas 2 ft.
.THU...SW wind 10 kt. Seas 1 foot.
.THU NIGHT...Variable wind less than 10 kt. Seas 1 foot.
.FRI...Variable wind less than 10 kt. Seas 1 foot.
.FRI NIGHT...SW wind 15 kt. Seas 1 foot.
.SAT...SW wind 15 kt. Seas 2 ft.
.SUN...SW wind 10 kt. Seas 2 ft.
.MON...S wind 20 kt. Seas 5 ft.

$$

PKZ763-211715-
Kuskokwim Delta and Etolin Strait out to 15 NM-
813 PM AKDT Wed Aug 20 2025

.TONIGHT...SW wind 20 kt. Seas 4 ft.
.THU...SW wind 15 kt diminishing to 10 kt in the afternoon. Seas
2 ft.
.THU NIGHT...SW wind 10 kt. Seas 2 ft.
.FRI...S wind 20 kt. Seas 2 ft.
.FRI NIGHT...S wind 25 kt. Seas 4 ft.
.SAT THROUGH SUN...S wind 20 kt. Seas 4 ft.
.MON...S wind 25 kt. Seas 7 ft.

$$

PKZ764-211715-
Kuskokwim Delta from 15 to 80 NM-
813 PM AKDT Wed Aug 20 2025

.TONIGHT...SW wind 20 kt. Seas 4 ft.
.THU...SW wind 10 kt. Seas 3 ft.
.THU NIGHT...Variable wind less than 10 kt becoming S 10 kt after
midnight. Seas 3 ft.
.FRI AND FRI NIGHT...S wind 25 kt. Seas 5 ft.
.SAT...SW wind 20 kt. Seas 7 ft.
.SUN THROUGH MON...S wind 25 kt. Seas 8 ft.

$$

PKZ765-211715-
North and West of Nunivak Island-
813 PM AKDT Wed Aug 20 2025

...SMALL CRAFT ADVISORY TONIGHT...

.TONIGHT...SW wind 25 kt. Seas 6 ft. Areas of fog.
.THU...SW wind 15 kt. Seas 5 ft.
.THU NIGHT...S wind 15 kt. Seas 4 ft.
.FRI AND FRI NIGHT...SW wind 30 kt. Seas 8 ft.
.SAT...SW wind 25 kt. Seas 8 ft.
.SUN THROUGH MON...S wind 20 kt. Seas 8 ft.

$$

PKZ767-211715-
Saint Matthew Island Waters-
813 PM AKDT Wed Aug 20 2025

...SMALL CRAFT ADVISORY TONIGHT AND THURSDAY NIGHT...

.TONIGHT...SW wind 25 kt. Seas 9 ft. Areas of fog.
.THU...SW wind 20 kt. Seas 7 ft. Areas of fog.
.THU NIGHT...E of Saint Matthew Island, variable wind 10 kt
becoming S 20 kt after midnight. W of Saint Matthew Island, SE wind
25 kt. Seas 5 ft. Rain showers.
.FRI...S wind 30 kt. Seas 10 ft.
.FRI NIGHT...SW wind 30 kt. Seas 15 ft.
.SAT...SW wind 25 kt. Seas 14 ft.
.SUN...S wind 20 kt. Seas 8 ft.
.MON...N wind 20 kt. Seas 7 ft.

$$