Coastal Waters Forecast
Issued by NWS
Issued by NWS
880 FZAK52 PAFC 182323 CWFALU Coastal Waters Forecast National Weather Service Anchorage Alaska 323 PM AKDT Mon Aug 18 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. PKZ199-191245- 323 PM AKDT Mon Aug 18 2025 .SYNOPSIS FOR SOUTHWEST ALASKA+BRISTOL BAY+THE ALASKA PENINSULA WATERS AND THE ALEUTIAN ISLANDS... A 1006 mb low 160 nm S of Cold Bay exits into the North Pacific tonight. High pressure continues across the Bering Sea through Tue. A front off a Kamchatka low moves across the Western and Northern Bering through Wed afternoon. $$ PKZ750-191245- Sitkinak to Castle Cape out to 15 NM- 323 PM AKDT Mon Aug 18 2025 .TONIGHT...Variable wind 10 kt. Seas 1 foot. .TUE...N wind 15 kt. Seas 1 foot. .TUE NIGHT...NW wind 15 kt. Seas 2 ft. .WED...NE wind 15 kt. Seas 3 ft. .WED NIGHT...Variable wind 10 kt. Seas 2 ft. .THU...Variable wind 10 kt. Seas 3 ft. .FRI...NW wind 15 kt. Seas 3 ft. .SAT...Variable wind 10 kt. Seas 3 ft. $$ PKZ751-191245- Sitkinak to Castle Cape from 15 to 100 NM- 323 PM AKDT Mon Aug 18 2025 .TONIGHT...Variable wind 10 kt. Seas 2 ft. .TUE...Variable wind 10 kt. Seas 3 ft. .TUE NIGHT...N wind 15 kt. Seas 5 ft. .WED AND WED NIGHT...NE wind 15 kt. Seas 4 ft. .THU...N wind 15 kt. Seas 6 ft. .FRI...Variable wind 10 kt. Seas 6 ft. .SAT...W wind 15 kt. Seas 5 ft. $$ PKZ752-191245- Castle Cape to Cape Tolstoi out to 15 NM- 323 PM AKDT Mon Aug 18 2025 .TONIGHT...E wind 15 kt becoming N after midnight. Seas 1 foot. .TUE...N wind 15 kt. Seas 2 ft. .TUE NIGHT...N wind 15 kt. Seas 2 ft. .WED...Variable wind 10 kt. Seas 1 foot. .WED NIGHT...Variable wind 10 kt. Seas 1 foot. .THU THROUGH SAT...Variable wind 10 kt. Seas 4 ft. $$ PKZ753-191245- Castle Cape to Cape Tolstoi from 15 to 100 NM- 323 PM AKDT Mon Aug 18 2025 .TONIGHT...E wind 15 kt. Seas 4 ft. .TUE...N wind 15 kt. Seas 5 ft. .TUE NIGHT...N wind 15 kt. Seas 5 ft. .WED...N wind 15 kt. Seas 4 ft. .WED NIGHT...Variable wind 10 kt. Seas 3 ft. .THU...Variable wind 10 kt. Seas 5 ft. .FRI...Variable wind 10 kt. Seas 5 ft. .SAT...W wind 15 kt. Seas 4 ft. $$ PKZ754-191245- Cape Tolstoi to Cape Sarichef out to 15 NM- 323 PM AKDT Mon Aug 18 2025 ...SMALL CRAFT ADVISORY THROUGH TUESDAY... .TONIGHT...N wind increasing to 25 kt. Seas 3 ft. .TUE...N wind 25 kt. Seas 3 ft. .TUE NIGHT...N wind 20 kt. Seas 3 ft. .WED...N wind 15 kt. Seas 2 ft. .WED NIGHT...Variable wind 10 kt. Seas 2 ft. .THU...Variable wind 10 kt. Seas 2 ft. .FRI THROUGH SAT...Variable wind 10 kt. Seas 3 ft. $$ PKZ755-191245- Cape Tolstoi to Cape Sarichef from 15 to 100 NM- 323 PM AKDT Mon Aug 18 2025 .TONIGHT...NE wind 20 kt. Seas 6 ft. .TUE...N wind 20 kt. Seas 5 ft. .TUE NIGHT...N wind 20 kt. Seas 5 ft. .WED...N wind 15 kt. Seas 4 ft. .WED NIGHT...Variable wind 10 kt. Seas 3 ft. .THU...Variable wind 10 kt. Seas 3 ft. .FRI THROUGH SAT...Variable wind 10 kt. Seas 4 ft. $$ PKZ756-191245- Port Heiden to Nelson Lagoon out to 15 NM- 323 PM AKDT Mon Aug 18 2025 .TONIGHT...N wind 15 kt. Seas 2 ft. .TUE...NW wind 15 kt. Seas 3 ft. .TUE NIGHT...N wind 15 kt. Seas 3 ft. .WED AND WED NIGHT...Variable wind 10 kt. Seas 2 ft. .THU...Variable wind 10 kt. Seas 2 ft. .FRI...Variable wind 10 kt. Seas 6 ft. .SAT...SW wind 15 kt. Seas 6 ft. $$ PKZ757-191245- Port Heiden to Nelson Lagoon from 15 to 60 NM- 323 PM AKDT Mon Aug 18 2025 .TONIGHT...N wind 15 kt. Seas 4 ft. .TUE...NW wind 15 kt. Seas 4 ft. .TUE NIGHT...NW wind 15 kt. Seas 4 ft. .WED AND WED NIGHT...Variable wind 10 kt. Seas 3 ft. .THU...Variable wind 10 kt. Seas 3 ft. .FRI THROUGH SAT...SW wind 15 kt. Seas 6 ft. $$ PKZ758-191245- Nelson Lagoon to Cape Sarichef out to 15 NM- 323 PM AKDT Mon Aug 18 2025 .TONIGHT...NE wind 20 kt. Seas 3 ft. .TUE...N wind 15 kt. Seas 3 ft. .TUE NIGHT...N wind 15 kt. Seas 3 ft. .WED...Variable wind 10 kt. Seas 2 ft. .WED NIGHT...Variable wind 10 kt. Seas 2 ft. .THU...Variable wind 10 kt. Seas 2 ft. .FRI...Variable wind 10 kt. Seas 5 ft. .SAT...SW wind 15 kt. Seas 5 ft. $$ PKZ759-191245- Nelson Lagoon to Cape Sarichef from 15 to 70 NM- 323 PM AKDT Mon Aug 18 2025 .TONIGHT...N wind 20 kt. Seas 4 ft. .TUE...N wind 15 kt. Seas 4 ft. .TUE NIGHT...N wind 15 kt. Seas 4 ft. .WED AND WED NIGHT...Variable wind 10 kt. Seas 3 ft. .THU...Variable wind 10 kt. Seas 2 ft. .FRI...SW wind 15 kt. Seas 5 ft. .SAT...SW wind 20 kt. Seas 6 ft. $$ PKZ770-191245- Cape Sarichef to Nikolski Bering Side out to 15 NM- 323 PM AKDT Mon Aug 18 2025 ...SMALL CRAFT ADVISORY THROUGH TUESDAY... .TONIGHT...N wind 30 kt. Seas 5 ft. Areas of fog. .TUE...N wind 25 kt. Seas 4 ft. .TUE NIGHT...N wind 20 kt. Seas 3 ft. .WED...N wind 15 kt. Seas 2 ft. .WED NIGHT...Variable wind 10 kt. Seas 1 foot. .THU THROUGH FRI...Variable wind 10 kt. Seas 3 ft. .SAT...SW wind 15 kt. Seas 5 ft. $$ PKZ772-191245- Cape Sarichef to Nikolski Bering Side from 15 to 85 NM- 323 PM AKDT Mon Aug 18 2025 .TONIGHT...N wind 20 kt. Seas 6 ft. Areas of fog. .TUE...N wind 20 kt. Seas 5 ft. .TUE NIGHT...N wind 15 kt. Seas 4 ft. .WED...Variable wind 10 kt. Seas 2 ft. .WED NIGHT...Variable wind 10 kt. Seas 2 ft. .THU THROUGH FRI...SW wind 15 kt. Seas 4 ft. .SAT...SW wind 20 kt. Seas 6 ft. $$ PKZ771-191245- Unalaska Bay- 323 PM AKDT Mon Aug 18 2025 .TONIGHT...N wind 20 kt. Seas 4 ft. Areas of fog. .TUE...NW wind 15 kt. Seas 3 ft. .TUE NIGHT...NW wind 15 kt diminishing to 10 kt after midnight. Seas 2 ft. .WED...N wind 10 kt. Seas 2 ft. .WED NIGHT...Variable wind less than 10 kt. Seas 1 foot. .THU THROUGH SAT...Variable wind less than 10 kt. Seas 2 ft. $$ PKZ773-191245- Cape Sarichef to Nikolski Pacific Side out to 15 NM- 323 PM AKDT Mon Aug 18 2025 ...SMALL CRAFT ADVISORY THROUGH TUESDAY... .TONIGHT...N wind 25 kt. Seas 5 ft. Areas of fog. .TUE...N wind 25 kt. Seas 4 ft. .TUE NIGHT...N wind 20 kt. Seas 3 ft. .WED...NW wind 15 kt. Seas 2 ft. .WED NIGHT...Variable wind 10 kt. Seas 2 ft. .THU THROUGH FRI...Variable wind 10 kt. Seas 3 ft. .SAT...SW wind 15 kt. Seas 4 ft. $$ PKZ774-191245- Cape Sarichef to Nikolski Pacific Side from 15 to 85 NM- 323 PM AKDT Mon Aug 18 2025 ...SMALL CRAFT ADVISORY TONIGHT... .TONIGHT...N wind 25 kt. Seas 7 ft. Areas of fog. .TUE...N wind 20 kt. Seas 6 ft. .TUE NIGHT...N wind 15 kt. Seas 5 ft. .WED...N wind 15 kt. Seas 4 ft. .WED NIGHT...Variable wind 10 kt. Seas 3 ft. .THU THROUGH FRI...Variable wind 10 kt. Seas 4 ft. .SAT...SW wind 15 kt. Seas 4 ft. $$ PKZ775-191245- Nikolski to Seguam Bering Side out to 15 NM- 323 PM AKDT Mon Aug 18 2025 .TONIGHT...N wind 20 kt. Seas 5 ft. Areas of fog. .TUE...N wind 20 kt. Seas 4 ft. Areas of fog. .TUE NIGHT...N wind 15 kt. Seas 3 ft. Areas of fog. .WED...Variable wind 10 kt. Seas 2 ft. .WED NIGHT...Variable wind 10 kt. Seas 2 ft. .THU THROUGH FRI...SW wind 15 kt. Seas 3 ft. .SAT...SW wind 20 kt. Seas 5 ft. $$ PKZ776-191245- Nikolski to Seguam Bering Side from 15 to 85 NM- 323 PM AKDT Mon Aug 18 2025 .TONIGHT...NE wind 20 kt. Seas 6 ft. Areas of fog. .TUE...NE wind 15 kt. Seas 5 ft. Areas of fog. .TUE NIGHT...Variable wind 10 kt. Seas 3 ft. Areas of fog. .WED...Variable wind 10 kt. Seas 2 ft. .WED NIGHT...S wind 15 kt. Seas 3 ft. .THU...SW wind 20 kt. Seas 4 ft. .FRI...SW wind 15 kt. Seas 4 ft. .SAT...SW wind 20 kt. Seas 6 ft. $$ PKZ777-191245- Nikolski to Seguam Pacfic Side out to 15 NM- 323 PM AKDT Mon Aug 18 2025 ...SMALL CRAFT ADVISORY TONIGHT... .TONIGHT...N wind 25 kt. Seas 5 ft. Areas of fog. .TUE...N wind 20 kt. Seas 4 ft. Areas of fog. .TUE NIGHT...N wind 15 kt. Seas 3 ft. Areas of fog. .WED...Variable wind 10 kt. Seas 2 ft. .WED NIGHT...Variable wind 10 kt. Seas 2 ft. .THU THROUGH FRI...SW wind 15 kt. Seas 3 ft. .SAT...SW wind 20 kt. Seas 4 ft. $$ PKZ778-191245- Nikolski to Seguam Pacific Side from 15 to 75 NM- 323 PM AKDT Mon Aug 18 2025 .TONIGHT...N wind 20 kt. Seas 7 ft. Areas of fog. .TUE...N wind 20 kt. Seas 6 ft. .TUE NIGHT...N wind 15 kt. Seas 6 ft. .WED...Variable wind 10 kt. Seas 3 ft. .WED NIGHT...Variable wind 10 kt. Seas 2 ft. .THU THROUGH FRI...W wind 15 kt. Seas 4 ft. .SAT...SW wind 20 kt. Seas 5 ft. $$ PKZ780-191245- Seguam to Adak Bering Side out to 15 NM- 323 PM AKDT Mon Aug 18 2025 .TONIGHT...N wind 15 kt. Seas 3 ft. Areas of fog. .TUE...Variable wind 10 kt. Seas 3 ft. Areas of fog. .TUE NIGHT...Variable wind 10 kt. Seas 2 ft. Areas of fog. .WED...S wind 15 kt. Seas 2 ft. .WED NIGHT...S wind 20 kt. Seas 2 ft. .THU...SW wind 20 kt. Seas 3 ft. .FRI...SW wind 15 kt. Seas 3 ft. .SAT...SW wind 20 kt. Seas 4 ft. $$ PKZ781-191245- Seguam to Adak Bering Side from 15 to 85 NM- 323 PM AKDT Mon Aug 18 2025 .TONIGHT...NE wind 15 kt. Seas 4 ft. Areas of fog. .TUE...Variable wind 10 kt. Seas 3 ft. Areas of fog. .TUE NIGHT...S wind 15 kt. Seas 3 ft. Areas of fog. .WED...S wind 15 kt. Seas 3 ft. .WED NIGHT...S wind 20 kt. Seas 4 ft. .THU THROUGH SAT...SW wind 20 kt. Seas 5 ft. $$ PKZ782-191245- Seguam to Adak Pacific Side out to 15 NM- 323 PM AKDT Mon Aug 18 2025 .TONIGHT...N wind 15 kt. Seas 4 ft. Areas of fog. .TUE...Variable wind 10 kt. Seas 3 ft. Areas of fog. .TUE NIGHT...Variable wind 10 kt. Seas 3 ft. Areas of fog. .WED...Variable wind 10 kt. Seas 2 ft. .WED NIGHT...S wind 20 kt. Seas 2 ft. .THU...SW wind 20 kt. Seas 3 ft. .FRI...SW wind 15 kt. Seas 3 ft. .SAT...SW wind 20 kt. Seas 6 ft. $$ PKZ783-191245- Seguam to Adak Pacific Side from 15 to 75 NM- 323 PM AKDT Mon Aug 18 2025 .TONIGHT...N wind 15 kt. Seas 5 ft. Areas of fog. .TUE...NE wind 15 kt. Seas 4 ft. Areas of fog. .TUE NIGHT...Variable wind 10 kt. Seas 3 ft. Areas of fog. .WED...Variable wind 10 kt. Seas 2 ft. .WED NIGHT...S wind 20 kt. Seas 3 ft. .THU...SW wind 20 kt. Seas 4 ft. .FRI...SW wind 15 kt. Seas 4 ft. .SAT...SW wind 20 kt. Seas 6 ft. $$ PKZ784-191245- Adak to Kiska Bering Side- 323 PM AKDT Mon Aug 18 2025 .TONIGHT...SE wind 15 kt. Seas 2 ft. Areas of fog. .TUE...S wind 20 kt. Seas 3 ft. Areas of fog. .TUE NIGHT...S wind 20 kt. Seas 4 ft. Areas of fog. .WED...S wind 15 kt. Seas 4 ft. .WED NIGHT...S wind 20 kt. Seas 4 ft. .THU...SW wind 20 kt. Seas 5 ft. .FRI THROUGH SAT...S wind 25 kt. Seas 7 ft. $$ PKZ785-191245- Adak to Kiska Pacific Side- 323 PM AKDT Mon Aug 18 2025 .TONIGHT...Variable wind 10 kt. Seas 4 ft. Areas of fog. .TUE...S wind 20 kt. Seas 3 ft. Areas of fog. .TUE NIGHT...S wind 20 kt. Seas 4 ft. Areas of fog. .WED AND WED NIGHT...S wind 20 kt. Seas 5 ft. .THU THROUGH SAT...S wind 20 kt. Seas 6 ft. $$ PKZ786-191245- Kiska to Attu Bering Side- 323 PM AKDT Mon Aug 18 2025 ...SMALL CRAFT ADVISORY THROUGH TUESDAY... .TONIGHT...S wind 25 kt. Seas 7 ft. Areas of fog. Rain. .TUE...S wind 25 kt. Seas 7 ft. Areas of fog. .TUE NIGHT...W wind 15 kt. Seas 4 ft. Areas of fog. .WED...Variable wind 10 kt. Seas 3 ft. .WED NIGHT...S wind 15 kt. Seas 3 ft. .THU THROUGH SAT...SW wind 25 kt. Seas 8 ft. $$ PKZ787-191245- Kiska to Attu Pacific Side- 323 PM AKDT Mon Aug 18 2025 ...SMALL CRAFT ADVISORY TONIGHT... .TONIGHT...S wind 25 kt. Seas 7 ft. Areas of fog. .TUE...S wind 20 kt. Seas 6 ft. Areas of fog. .TUE NIGHT...W wind 15 kt. Seas 4 ft. Areas of fog. .WED AND WED NIGHT...S wind 15 kt. Seas 5 ft. .THU...S wind 30 kt. Seas 8 ft. .FRI THROUGH SAT...SW wind 25 kt. Seas 8 ft. $$ PKZ766-191245- Pribilof Islands Nearshore Waters- 323 PM AKDT Mon Aug 18 2025 .TONIGHT...N wind 15 kt. Gusts to 30 kt. Seas 4 ft. .TUE...NW wind 15 kt. Seas 4 ft. .TUE NIGHT...Variable wind 10 kt. Seas 3 ft. .WED AND WED NIGHT...SW wind 15 kt. Seas 4 ft. .THU...S wind 20 kt. Seas 5 ft. .FRI...SW wind 15 kt. Seas 6 ft. .SAT...SW wind 20 kt. Seas 8 ft. $$ PKZ760-191245- Bristol Bay greater than 15 NM- 323 PM AKDT Mon Aug 18 2025 .TONIGHT...NW wind 10 kt increasing to 15 kt after midnight. Seas 2 ft. .TUE...NW wind 15 kt diminishing to 10 kt in the afternoon. Seas 2 ft. .TUE NIGHT...NW wind 15 kt becoming N after midnight. Seas 3 ft. .WED...E wind 10 kt. Seas 2 ft. .WED NIGHT...W wind 10 kt. Seas 1 foot. .THU THROUGH FRI...W wind 10 kt. Seas 4 ft. .SAT...SW wind 15 kt. Seas 6 ft. $$ PKZ761-191245- Bristol Bay from Port Heiden to Cape Chichagof out to 15 NM- 323 PM AKDT Mon Aug 18 2025 .TONIGHT...NW wind 10 kt. Seas 1 foot. .TUE...NW wind 10 kt. Seas 1 foot. .TUE NIGHT...NW wind 15 kt. Seas 2 ft. .WED...NW wind 10 kt. Seas 2 ft. .WED NIGHT...Variable wind less than 10 kt. Seas 1 foot. .THU...W wind 10 kt. Seas 1 foot. .FRI...W wind 10 kt. Seas 5 ft. .SAT...SW wind 15 kt. Seas 6 ft. $$ PKZ762-191245- Bristol Bay from Cape Chichagof to Cape Pierce out to 15 NM- 323 PM AKDT Mon Aug 18 2025 .TONIGHT...NW wind 15 kt. Seas 1 foot. .TUE...N wind 15 kt becoming NW in the afternoon. Seas 1 foot. .TUE NIGHT...N wind 15 kt diminishing to 10 kt after midnight. Seas 1 foot. .WED...E wind 10 kt. Seas 1 foot. .WED NIGHT...W wind 10 kt. Seas 1 foot. .THU THROUGH FRI...W wind 10 kt. Seas 3 ft. .SAT...SW wind 15 kt. Seas 5 ft. $$ PKZ763-191245- Kuskokwim Delta and Etolin Strait out to 15 NM- 323 PM AKDT Mon Aug 18 2025 .TONIGHT...NW wind 15 kt. Seas 2 ft. .TUE...N wind 15 kt. Seas 2 ft. .TUE NIGHT...NW wind 15 kt diminishing to 10 kt after midnight. Seas 2 ft. .WED AND WED NIGHT...SW wind 15 kt. Seas 2 ft. .THU...SW wind 10 kt. Seas 3 ft. .FRI...SW wind 15 kt. Seas 5 ft. .SAT...SW wind 20 kt. Seas 5 ft. $$ PKZ764-191245- Kuskokwim Delta from 15 to 80 NM- 323 PM AKDT Mon Aug 18 2025 .TONIGHT...NW wind 20 kt. Seas 4 ft. .TUE...N wind 15 kt. Seas 4 ft. .TUE NIGHT...NW wind 20 kt. Seas 4 ft. .WED AND WED NIGHT...W wind 15 kt. Seas 3 ft. .THU THROUGH FRI...SW wind 15 kt. Seas 5 ft. .SAT...SW wind 20 kt. Seas 7 ft. $$ PKZ765-191245- North and West of Nunivak Island- 323 PM AKDT Mon Aug 18 2025 .TONIGHT...NW wind 15 kt. Seas 4 ft. .TUE...N wind 15 kt. Seas 4 ft. .TUE NIGHT...NW wind 10 kt becoming SW 15 kt after midnight. Seas 3 ft. .WED AND WED NIGHT...SW wind 20 kt. Seas 5 ft. .THU...SW wind 15 kt. Seas 5 ft. .FRI THROUGH SAT...SW wind 20 kt. Seas 8 ft. $$ PKZ767-191245- Saint Matthew Island Waters- 323 PM AKDT Mon Aug 18 2025 ...SMALL CRAFT ADVISORY TUESDAY AND TUESDAY NIGHT... .TONIGHT...W wind 15 kt. Seas 4 ft. Areas of fog. .TUE...Variable wind 10 kt E of Saint Matthew Island...S 15 kt increasing to 25 kt W of Saint Matthew Island. Seas 5 ft. Areas of fog. .TUE NIGHT...E of Saint Matthew Island, SW wind 15 kt becoming S 25 kt after midnight. W of Saint Matthew Island, S wind 25 kt. Seas 8 ft. Areas of fog. .WED...SW wind 25 kt. Seas 8 ft. .WED NIGHT...SW wind 20 kt. Seas 7 ft. .THU...S wind 15 kt. Seas 6 ft. .FRI THROUGH SAT...SW wind 20 kt. Seas 10 ft. $$