Coastal Waters Forecast
Issued by NWS
Issued by NWS
588 FZAK52 PAFC 221143 CWFALU Coastal Waters Forecast National Weather Service Anchorage Alaska 343 AM AKDT Wed Jul 22 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. PKZ199-230000- 343 AM AKDT Wed Jul 22 2026 .SYNOPSIS FOR SOUTHWEST ALASKA+BRISTOL BAY+THE ALASKA PENINSULA WATERS AND THE ALEUTIAN ISLANDS... A 993 mb low 150 nm SW of Saint Matthew Island moves to 60 nm N of Hooper Bay at 993 mb this evening. This low moves inland of Norton Sound through Thu morning. Its front moves inland of Western and Southwestern Alaska through Thu morning. A separate front moves to the Western Aleutians this morning and slowly extends eastward across the Bering through Fri morning. $$ PKZ750-230000- Sitkinak to Castle Cape out to 15 NM- 343 AM AKDT Wed Jul 22 2026 ...SMALL CRAFT ADVISORY THROUGH THURSDAY... .TODAY...SW wind 25 kt. Seas 6 ft. .TONIGHT...SW wind 30 kt. Seas 8 ft. .THU...W wind 25 kt. Seas 7 ft. .THU NIGHT...W wind 25 kt. Seas 5 ft. .FRI...NW wind 30 kt. Seas 5 ft. .SAT...NW wind 25 kt. Seas 5 ft. .SUN...NW wind 20 kt. Seas 5 ft. $$ PKZ751-230000- Sitkinak to Castle Cape from 15 to 100 NM- 343 AM AKDT Wed Jul 22 2026 ...SMALL CRAFT ADVISORY THROUGH THURSDAY... .TODAY...SW wind 25 kt. Seas 10 ft. .TONIGHT...SW wind 30 kt. Seas 9 ft. .THU...W wind 25 kt. Seas 9 ft. .THU NIGHT...W wind 25 kt. Seas 7 ft. .FRI THROUGH SAT...NW wind 25 kt. Seas 7 ft. .SUN...NW wind 20 kt. Seas 7 ft. $$ PKZ752-230000- Castle Cape to Cape Tolstoi out to 15 NM- 343 AM AKDT Wed Jul 22 2026 ...SMALL CRAFT ADVISORY TONIGHT... .TODAY...SW wind 20 kt. Seas 5 ft. .TONIGHT...SW wind 25 kt. Seas 6 ft. .THU...W wind 20 kt. Seas 4 ft. .THU NIGHT...NW wind 15 kt. Seas 3 ft. .FRI THROUGH SUN...NW wind 20 kt. Seas 3 ft. $$ PKZ753-230000- Castle Cape to Cape Tolstoi from 15 to 100 NM- 343 AM AKDT Wed Jul 22 2026 ...SMALL CRAFT ADVISORY THROUGH THURSDAY... .TODAY...SW wind 25 kt. Seas 8 ft. .TONIGHT...SW wind 30 kt. Seas 8 ft. .THU...W wind 25 kt. Seas 9 ft. .THU NIGHT...W wind 15 kt. Seas 6 ft. .FRI THROUGH SUN...NW wind 20 kt. Seas 7 ft. $$ PKZ754-230000- Cape Tolstoi to Cape Sarichef out to 15 NM- 343 AM AKDT Wed Jul 22 2026 ...SMALL CRAFT ADVISORY THROUGH TONIGHT... .TODAY...SW wind 25 kt. Seas 6 ft. .TONIGHT...SW wind 25 kt. Seas 7 ft. .THU...Variable wind 10 kt. Seas 5 ft. .THU NIGHT...Variable wind 10 kt. Seas 3 ft. .FRI...W wind 15 kt. Seas 4 ft. .SAT THROUGH SUN...NW wind 20 kt. Seas 4 ft. $$ PKZ755-230000- Cape Tolstoi to Unalga Pass from 15 to 100 NM- 343 AM AKDT Wed Jul 22 2026 ...SMALL CRAFT ADVISORY THROUGH THURSDAY... .TODAY...SW wind 25 kt. Seas 7 ft. .TONIGHT...SW wind 30 kt. Seas 8 ft. .THU...W wind 20 kt. Seas 8 ft. .THU NIGHT...W wind 20 kt. Seas 6 ft. .FRI THROUGH SUN...NW wind 20 kt. Seas 7 ft. $$ PKZ756-230000- Port Heiden to Nelson Lagoon out to 15 NM- 343 AM AKDT Wed Jul 22 2026 ...SMALL CRAFT ADVISORY THROUGH THURSDAY... .TODAY...S wind 30 kt. Seas 5 ft. Rain. .TONIGHT...S wind 30 kt. Seas 10 ft. .THU...W wind 20 kt. Seas 9 ft. .THU NIGHT...W wind 15 kt. Seas 6 ft. .FRI THROUGH SUN...W wind 20 kt. Seas 5 ft. $$ PKZ757-230000- Port Heiden to Nelson Lagoon from 15 to 60 NM- 343 AM AKDT Wed Jul 22 2026 ...GALE WARNING THROUGH TONIGHT... .TODAY...S wind 25 kt increasing to 35 kt in the afternoon. Seas 9 ft. Rain. .TONIGHT...SW wind 35 kt. Seas 13 ft. .THU...W wind 25 kt. Seas 11 ft. .THU NIGHT...W wind 15 kt. Seas 7 ft. .FRI...W wind 15 kt. Seas 5 ft. .SAT THROUGH SUN...W wind 20 kt. Seas 6 ft. $$ PKZ758-230000- Nelson Lagoon to Cape Sarichef out to 15 NM- 343 AM AKDT Wed Jul 22 2026 ...SMALL CRAFT ADVISORY THROUGH THURSDAY... .TODAY...S wind 30 kt. Seas 6 ft. .TONIGHT...SW wind 30 kt. Seas 10 ft. .THU...W wind 15 kt. Seas 8 ft. .THU NIGHT...W wind 20 kt. Seas 5 ft. .FRI...W wind 25 kt. Seas 5 ft. .SAT...W wind 20 kt. Seas 7 ft. .SUN...W wind 25 kt. Seas 5 ft. $$ PKZ759-230000- Nelson Lagoon to Unalga Pass 15 to 70 nm- 343 AM AKDT Wed Jul 22 2026 ...GALE WARNING TODAY... .TODAY...S wind 35 kt. Seas 12 ft. Rain. .TONIGHT...SW wind 30 kt. Seas 13 ft. .THU...W wind 15 kt. Seas 9 ft. .THU NIGHT...SW wind 20 kt. Seas 6 ft. .FRI THROUGH SUN...W wind 20 kt. Seas 6 ft. $$ PKZ768-230000- Unimak Pass- 343 AM AKDT Wed Jul 22 2026 ...SMALL CRAFT ADVISORY THROUGH TONIGHT... .TODAY...S wind 30 kt. Seas 8 ft. .TONIGHT...SW wind 30 kt becoming W 20 kt after midnight. Seas 10 ft. .THU...Variable wind 10 kt. Seas 7 ft. .THU NIGHT...SW wind 15 kt. Seas 4 ft. .FRI THROUGH SUN...NW wind 20 kt. Seas 6 ft. $$ PKZ770-230000- Unalga Pass to Nikolski Bering Side out to 15 NM- 343 AM AKDT Wed Jul 22 2026 ...SMALL CRAFT ADVISORY THROUGH TONIGHT... .TODAY...S wind 30 kt. Seas 8 ft. .TONIGHT...SW wind 30 kt diminishing to 20 kt after midnight. Seas 9 ft. .THU...SW wind 15 kt. Seas 6 ft. .THU NIGHT...SW wind 20 kt. Seas 4 ft. .FRI...SW wind 20 kt. Seas 5 ft. .SAT...W wind 15 kt. Seas 4 ft. .SUN...W wind 20 kt. Seas 3 ft. $$ PKZ772-230000- Unalga Pass to Nikolski Bering Side from 15 to 85 NM- 343 AM AKDT Wed Jul 22 2026 ...GALE WARNING TODAY... .TODAY...S wind 35 kt. Seas 13 ft. .TONIGHT...SW wind 30 kt diminishing to 20 kt after midnight. Seas 12 ft. .THU...SW wind 20 kt. Seas 7 ft. .THU NIGHT...SW wind 20 kt. Seas 6 ft. .FRI THROUGH SAT...W wind 20 kt. Seas 5 ft. .SUN...W wind 15 kt. Seas 4 ft. $$ PKZ771-230000- Unalaska Bay- 343 AM AKDT Wed Jul 22 2026 .TODAY...S wind 20 kt. Seas 3 ft. .TONIGHT...SW wind 15 kt becoming W after midnight. Seas 2 ft. .THU...Variable wind less than 10 kt. Seas 3 ft. .THU NIGHT...W wind 10 kt. Seas 3 ft. .FRI THROUGH SAT...W wind 15 kt. Seas 3 ft. .SUN...W wind 20 kt. Seas 3 ft. $$ PKZ773-230000- Unalga Pass to Nikolski Pacific Side out to 15 NM- 343 AM AKDT Wed Jul 22 2026 ...SMALL CRAFT ADVISORY THROUGH TONIGHT... .TODAY...SW wind 25 kt. Seas 7 ft. .TONIGHT...SW wind 25 kt. Seas 8 ft. .THU...SW wind 20 kt. Seas 5 ft. .THU NIGHT...SW wind 20 kt. Seas 5 ft. .FRI...W wind 20 kt. Seas 4 ft. .SAT THROUGH SUN...NW wind 15 kt. Seas 4 ft. $$ PKZ774-230000- Unalga Pass to Nikolski Pacific Side from 15 to 85 NM- 343 AM AKDT Wed Jul 22 2026 ...SMALL CRAFT ADVISORY THROUGH TONIGHT... .TODAY...SW wind 25 kt. Seas 7 ft. .TONIGHT...SW wind 25 kt. Seas 8 ft. .THU...SW wind 20 kt. Seas 7 ft. .THU NIGHT...SW wind 20 kt. Seas 6 ft. .FRI...W wind 20 kt. Seas 6 ft. .SAT THROUGH SUN...W wind 15 kt. Seas 5 ft. $$ PKZ775-230000- Nikolski to Seguam Bering Side out to 15 NM- 343 AM AKDT Wed Jul 22 2026 ...SMALL CRAFT ADVISORY THROUGH TONIGHT... .TODAY...SW wind 30 kt. Seas 9 ft. .TONIGHT...SW wind 25 kt. Seas 9 ft. .THU...SW wind 20 kt. Seas 5 ft. .THU NIGHT...SW wind 20 kt. Seas 4 ft. .FRI THROUGH SUN...W wind 15 kt. Seas 4 ft. $$ PKZ776-230000- Nikolski to Seguam Bering Side from 15 to 85 NM- 343 AM AKDT Wed Jul 22 2026 ...SMALL CRAFT ADVISORY THROUGH TONIGHT... .TODAY...SW wind 30 kt. Seas 12 ft. .TONIGHT...SW wind 25 kt. Seas 10 ft. .THU...SW wind 20 kt. Seas 6 ft. .THU NIGHT...SW wind 20 kt. Seas 6 ft. .FRI...SW wind 20 kt. Seas 6 ft. .SAT THROUGH SUN...W wind 15 kt. Seas 3 ft. $$ PKZ777-230000- Nikolski to Seguam Pacfic Side out to 15 NM- 343 AM AKDT Wed Jul 22 2026 ...SMALL CRAFT ADVISORY THROUGH TONIGHT... .TODAY...SW wind 30 kt. Seas 9 ft. .TONIGHT...SW wind 25 kt. Seas 8 ft. .THU...SW wind 20 kt. Seas 6 ft. .THU NIGHT...SW wind 20 kt. Seas 5 ft. .FRI THROUGH SUN...W wind 15 kt. Seas 5 ft. $$ PKZ778-230000- Nikolski to Seguam Pacific Side from 15 to 75 NM- 343 AM AKDT Wed Jul 22 2026 ...SMALL CRAFT ADVISORY THROUGH TONIGHT... .TODAY...SW wind 30 kt. Seas 8 ft. .TONIGHT...SW wind 25 kt. Seas 8 ft. .THU...SW wind 20 kt. Seas 7 ft. .THU NIGHT...SW wind 20 kt. Seas 6 ft. .FRI THROUGH SUN...W wind 15 kt. Seas 5 ft. $$ PKZ780-230000- Seguam to Adak Bering Side out to 15 NM- 343 AM AKDT Wed Jul 22 2026 ...SMALL CRAFT ADVISORY THROUGH THURSDAY... .TODAY...SW wind 30 kt. Seas 7 ft. .TONIGHT...SW wind 25 kt. Seas 5 ft. .THU...S wind 25 kt. Seas 4 ft. .THU NIGHT...S wind 25 kt. Seas 4 ft. .FRI...S wind 20 kt. Seas 3 ft. .SAT...SW wind 15 kt. Seas 2 ft. .SUN...SW wind 20 kt. Seas 2 ft. $$ PKZ781-230000- Seguam to Adak Bering Side from 15 to 85 NM- 343 AM AKDT Wed Jul 22 2026 ...SMALL CRAFT ADVISORY THROUGH THURSDAY... .TODAY...SW wind 30 kt. Seas 11 ft. .TONIGHT...SW wind 20 kt. Seas 8 ft. Rain. .THU...S wind 25 kt. Seas 6 ft. .THU NIGHT...S wind 25 kt. Seas 7 ft. .FRI...S wind 20 kt. Seas 5 ft. .SAT...SW wind 15 kt. Seas 4 ft. .SUN...SW wind 20 kt. Seas 3 ft. $$ PKZ782-230000- Seguam to Adak Pacific Side out to 15 NM- 343 AM AKDT Wed Jul 22 2026 ...SMALL CRAFT ADVISORY THROUGH TONIGHT... .TODAY...SW wind 30 kt. Seas 8 ft. .TONIGHT...SW wind 25 kt. Seas 8 ft. .THU...SW wind 20 kt. Seas 7 ft. .THU NIGHT...S wind 20 kt. Seas 6 ft. .FRI THROUGH SUN...SW wind 15 kt. Seas 5 ft. $$ PKZ783-230000- Seguam to Adak Pacific Side from 15 to 75 NM- 343 AM AKDT Wed Jul 22 2026 ...SMALL CRAFT ADVISORY THROUGH TONIGHT... .TODAY...SW wind 30 kt. Seas 9 ft. .TONIGHT...SW wind 25 kt. Seas 9 ft. .THU...S wind 20 kt. Seas 7 ft. .THU NIGHT...S wind 20 kt. Seas 6 ft. .FRI THROUGH SUN...SW wind 15 kt. Seas 6 ft. $$ PKZ784-230000- Adak to Kiska Bering Side- 343 AM AKDT Wed Jul 22 2026 ...SMALL CRAFT ADVISORY THROUGH THURSDAY... .TODAY...SW wind 30 kt. Seas 9 ft. Rain. .TONIGHT...S wind 25 kt. Seas 5 ft. Rain. .THU...S wind 25 kt. Seas 7 ft. Rain. .THU NIGHT...S wind 25 kt. Seas 7 ft. .FRI...S wind 25 kt. Seas 7 ft. .SAT THROUGH SUN...S wind 20 kt. Seas 5 ft. $$ PKZ785-230000- Adak to Kiska Pacific Side- 343 AM AKDT Wed Jul 22 2026 ...SMALL CRAFT ADVISORY THROUGH THURSDAY... .TODAY...SW wind 30 kt. Seas 11 ft. Rain. .TONIGHT...S wind 25 kt. Seas 9 ft. .THU...S wind 25 kt. Seas 8 ft. .THU NIGHT...S wind 25 kt. Seas 8 ft. .FRI...S wind 25 kt. Seas 7 ft. .SAT THROUGH SUN...S wind 20 kt. Seas 6 ft. $$ PKZ786-230000- Kiska to Attu Bering Side- 343 AM AKDT Wed Jul 22 2026 ...SMALL CRAFT ADVISORY THROUGH THURSDAY... .TODAY...N wind 15 kt becoming E 25 kt in the afternoon. Seas 8 ft. Rain. .TONIGHT...E wind 30 kt. Seas 8 ft. Rain. .THU...SE wind 25 kt. Seas 8 ft. .THU NIGHT...SE wind 25 kt. Seas 7 ft. .FRI THROUGH SUN...S wind 25 kt. Seas 7 ft. $$ PKZ787-230000- Kiska to Attu Pacific Side- 343 AM AKDT Wed Jul 22 2026 ...SMALL CRAFT ADVISORY THROUGH THURSDAY... .TODAY...S wind 25 kt. Seas 9 ft. Rain. .TONIGHT...SE wind 25 kt. Seas 9 ft. Rain. .THU...S wind 25 kt. Seas 8 ft. .THU NIGHT...SE wind 25 kt. Seas 8 ft. .FRI THROUGH SUN...S wind 25 kt. Seas 9 ft. $$ PKZ766-230000- Pribilof Islands Nearshore Waters- 343 AM AKDT Wed Jul 22 2026 ...GALE WARNING TODAY... .TODAY...SW wind 35 kt. Seas 14 ft. Rain. .TONIGHT...W wind 30 kt diminishing to 20 kt after midnight. Seas 13 ft. .THU...Variable wind 10 kt. Seas 8 ft. .THU NIGHT...SE wind 15 kt. Seas 5 ft. .FRI THROUGH SUN...W wind 20 kt. Seas 6 ft. $$ PKZ760-230000- Bristol Bay greater than 15 NM- 343 AM AKDT Wed Jul 22 2026 ...GALE WARNING THROUGH TONIGHT... .TODAY...S wind 25 kt increasing to 35 kt in the afternoon. Gusts to 45 kt in the afternoon. Seas 10 ft. Rain. .TONIGHT...SW wind 35 kt. Gusts to 45 kt. Seas 13 ft. .THU...W wind 30 kt. Seas 11 ft subsiding to 8 ft in the afternoon. .THU NIGHT...W wind 25 kt. Seas 7 ft. .FRI THROUGH SUN...W wind 20 kt. Seas 6 ft. $$ PKZ761-230000- Bristol Bay from Port Heiden to Cape Chichagof out to 15 NM- 343 AM AKDT Wed Jul 22 2026 ...SMALL CRAFT ADVISORY THROUGH THURSDAY... .TODAY...S wind 15 kt increasing to 25 kt in the afternoon. Gusts to 35 kt in the afternoon. Seas 5 ft. .TONIGHT...S wind 30 kt. Gusts to 40 kt. Seas 7 ft building to 11 ft after midnight. Rain. .THU...W wind 25 kt. Gusts to 35 kt early. Seas 9 ft. .THU NIGHT...W wind 25 kt. Seas 6 ft. .FRI THROUGH SUN...W wind 20 kt. Seas 5 ft. $$ PKZ762-230000- Bristol Bay from Cape Chichagof to Cape Pierce out to 15 NM- 343 AM AKDT Wed Jul 22 2026 ...GALE WARNING TONIGHT... .TODAY...S wind 30 kt. Gusts to 40 kt in the afternoon. Seas 4 ft building to 7 ft in the afternoon. Rain. .TONIGHT...SW wind 35 kt. Gusts to 45 kt before midnight. Seas 9 ft. Rain. .THU...W wind 30 kt. Gusts to 40 kt early. Seas 8 ft. .THU NIGHT...W wind 25 kt. Seas 5 ft. .FRI THROUGH SUN...W wind 20 kt. Seas 4 ft. $$ PKZ763-230000- Kuskokwim Delta and Etolin Strait out to 15 NM- 343 AM AKDT Wed Jul 22 2026 ...GALE WARNING THROUGH TONIGHT... .TODAY...S wind 35 kt. Gusts to 45 kt in the afternoon. Seas 9 ft. Rain. .TONIGHT...SW wind 35 kt. Gusts to 45 kt. Seas 11 ft. .THU...W wind 30 kt diminishing to 20 kt in the afternoon. Gusts to 40 kt early. Seas 8 ft. .THU NIGHT...W wind 20 kt. Seas 4 ft. .FRI...NW wind 10 kt. Seas 3 ft. .SAT...NW wind 20 kt. Seas 3 ft. .SUN...W wind 15 kt. Seas 3 ft. $$ PKZ764-230000- Kuskokwim Delta from 15 to 80 NM- 343 AM AKDT Wed Jul 22 2026 ...GALE WARNING THROUGH TONIGHT... .TODAY...S wind 35 kt. Seas 13 ft. Rain. .TONIGHT...SW wind 35 kt. Seas 15 ft. .THU...W wind 30 kt diminishing to 20 kt in the afternoon. Seas 12 ft. .THU NIGHT...W wind 20 kt. Seas 7 ft. .FRI...W wind 15 kt. Seas 4 ft. .SAT...W wind 20 kt. Seas 5 ft. .SUN...W wind 15 kt. Seas 5 ft. $$ PKZ765-230000- North and West of Nunivak Island- 343 AM AKDT Wed Jul 22 2026 ...GALE WARNING TONIGHT... .TODAY...S wind 30 kt. Seas 10 ft. .TONIGHT...W wind 35 kt. Seas 13 ft. .THU...W wind 25 kt. Seas 11 ft. .THU NIGHT...W wind 15 kt. Seas 7 ft. .FRI...Variable wind 10 kt. Seas 4 ft. .SAT THROUGH SUN...NW wind 15 kt. Seas 5 ft. $$ PKZ767-230000- Saint Matthew Island Waters- 343 AM AKDT Wed Jul 22 2026 ...SMALL CRAFT ADVISORY THROUGH THURSDAY... .TODAY...E wind 30 kt becoming NW in the afternoon. Seas 10 ft. .TONIGHT...NW wind 30 kt. Seas 11 ft. .THU...W wind 25 kt. Seas 8 ft. .THU NIGHT...SW wind 15 kt. Seas 6 ft. .FRI...SE wind 15 kt. Seas 4 ft. .SAT...SW wind 15 kt. Seas 5 ft. .SUN...W wind 15 kt. Seas 5 ft. $$