FZAK52 PAFC 181213 CWFALU Coastal Waters Forecast National Weather Service Anchorage Alaska 413 AM AKDT Mon May 18 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. PKZ199-190030- 413 AM AKDT Mon May 18 2026 .SYNOPSIS FOR SOUTHWEST ALASKA+BRISTOL BAY+THE ALASKA PENINSULA WATERS AND THE ALEUTIAN ISLANDS... A 982 mb low at about 240 nm west of Saint Paul Island remains nearly stationary before dissipating Tue night. A 994 mb low forms Mon morning near 100 nm southeast of Dutch Harbor and then moves to about 40 nm south of Togiak at 995 mb Mon night before moving inland. A 975 mb North Pacific low enters the region Wed morning around 200 nm west of Adak. $$ PKZ750-190030- Sitkinak to Castle Cape out to 15 NM- 413 AM AKDT Mon May 18 2026 ...GALE WARNING TONIGHT... .TODAY...S wind 25 kt. Seas 7 ft. Rain. .TONIGHT...SE wind 35 kt. Seas 11 ft. .TUE...SW wind 20 kt. Seas 8 ft. .TUE NIGHT...S wind 15 kt. Seas 5 ft. .WED THROUGH THU...SW wind 30 kt. Seas 11 ft. .FRI...SW wind 20 kt. Seas 10 ft. $$ PKZ751-190030- Sitkinak to Castle Cape from 15 to 100 NM- 413 AM AKDT Mon May 18 2026 ...GALE WARNING THROUGH TONIGHT... .TODAY...SW wind 20 kt becoming S 35 kt in the afternoon. Seas 11 ft. Rain. .TONIGHT...S wind 35 kt. Seas 15 ft. .TUE...SW wind 15 kt. Seas 11 ft. .TUE NIGHT...SW wind 15 kt. Seas 7 ft. .WED...SW wind 30 kt. Seas 13 ft. .THU...SW wind 30 kt. Seas 17 ft. .FRI...SW wind 25 kt. Seas 16 ft. $$ PKZ752-190030- Castle Cape to Cape Tolstoi out to 15 NM- 413 AM AKDT Mon May 18 2026 ...SMALL CRAFT ADVISORY THROUGH TONIGHT... .TODAY...S wind 15 kt becoming SE 30 kt in the afternoon. Seas 8 ft. Rain. .TONIGHT...SW wind 30 kt. Seas 11 ft. .TUE...S wind 20 kt. Seas 6 ft. .TUE NIGHT...S wind 15 kt. Seas 4 ft. .WED...S wind 30 kt. Seas 10 ft. .THU...SW wind 35 kt. Seas 10 ft. .FRI...SW wind 25 kt. Seas 8 ft. $$ PKZ753-190030- Castle Cape to Cape Tolstoi from 15 to 100 NM- 413 AM AKDT Mon May 18 2026 ...GALE WARNING THROUGH TONIGHT... .TODAY...S wind 20 kt increasing to 40 kt in the afternoon. Seas 9 ft building to 15 ft in the afternoon. Rain. .TONIGHT...SW wind 40 kt diminishing to 25 kt after midnight. Seas 17 ft subsiding to 12 ft after midnight. .TUE...S wind 20 kt. Seas 10 ft. .TUE NIGHT...SW wind 20 kt. Seas 8 ft. .WED...S wind 30 kt. Seas 15 ft. .THU...SW wind 30 kt. Seas 19 ft. .FRI...SW wind 25 kt. Seas 17 ft. $$ PKZ754-190030- Cape Tolstoi to Cape Sarichef out to 15 NM- 413 AM AKDT Mon May 18 2026 .TODAY...S wind 20 kt becoming NE in the afternoon. Seas 7 ft. Rain. .TONIGHT...SW wind 20 kt. Seas 7 ft. .TUE...S wind 20 kt. Seas 7 ft. Rain showers. .TUE NIGHT...SW wind 20 kt. Seas 7 ft. .WED THROUGH THU...SW wind 40 kt. Seas 16 ft. .FRI...SW wind 30 kt. Seas 11 ft. $$ PKZ755-190030- Cape Tolstoi to Unalga Pass from 15 to 100 NM- 413 AM AKDT Mon May 18 2026 ...GALE WARNING TODAY... .TODAY...SE wind 25 kt becoming SW 40 kt in the afternoon. Seas 14 ft. Rain showers. .TONIGHT...SW wind 30 kt. Seas 13 ft. .TUE...S wind 25 kt. Seas 10 ft. .TUE NIGHT...SW wind 20 kt. Seas 9 ft. .WED THROUGH THU...SW wind 35 kt. Seas 21 ft. .FRI...SW wind 30 kt. Seas 16 ft. $$ PKZ756-190030- Port Heiden to Nelson Lagoon out to 15 NM- 413 AM AKDT Mon May 18 2026 ...SMALL CRAFT ADVISORY THROUGH TONIGHT... .TODAY...E wind 25 kt. Seas 4 ft. Rain. .TONIGHT...SW wind 25 kt. Seas 6 ft. .TUE...S wind 20 kt. Seas 4 ft. .TUE NIGHT...S wind 20 kt. Seas 3 ft. .WED...S wind 25 kt. Seas 4 ft. .THU THROUGH FRI...SW wind 25 kt. Seas 11 ft. $$ PKZ757-190030- Port Heiden to Nelson Lagoon from 15 to 60 NM- 413 AM AKDT Mon May 18 2026 ...SMALL CRAFT ADVISORY THROUGH TONIGHT... .TODAY...S wind 15 kt becoming E 25 kt in the afternoon. Seas 6 ft. Rain. .TONIGHT...N wind 25 kt becoming SW after midnight. Seas 6 ft. .TUE...SE wind 20 kt. Seas 5 ft. .TUE NIGHT...S wind 20 kt. Seas 5 ft. .WED...S wind 30 kt. Seas 7 ft. .THU THROUGH FRI...SW wind 25 kt. Seas 12 ft. $$ PKZ758-190030- Nelson Lagoon to Cape Sarichef out to 15 NM- 413 AM AKDT Mon May 18 2026 ...SMALL CRAFT ADVISORY TUESDAY... .TODAY...SE wind 20 kt. Seas 5 ft. Rain. .TONIGHT...S wind 20 kt. Seas 4 ft. .TUE...S wind 25 kt. Seas 4 ft. .TUE NIGHT...S wind 15 kt. Seas 4 ft. .WED...S wind 30 kt. Seas 8 ft. .THU THROUGH FRI...SW wind 35 kt. Seas 12 ft. $$ PKZ759-190030- Nelson Lagoon to Unalga Pass 15 to 70 nm- 413 AM AKDT Mon May 18 2026 ...SMALL CRAFT ADVISORY TODAY... .TODAY...S wind 20 kt. Seas 8 ft. .TONIGHT...Variable wind 10 kt becoming S 20 kt after midnight. Seas 5 ft. .TUE...S wind 20 kt. Seas 5 ft. .TUE NIGHT...SW wind 20 kt. Seas 6 ft. .WED...S wind 35 kt. Seas 13 ft. .THU THROUGH FRI...SW wind 30 kt. Seas 14 ft. $$ PKZ768-190030- Unimak Pass- 413 AM AKDT Mon May 18 2026 ...SMALL CRAFT ADVISORY TONIGHT AND TUESDAY... .TODAY...S wind 20 kt. Seas 7 ft. Rain. .TONIGHT...S wind 25 kt. Seas 8 ft. .TUE...S wind 25 kt. Seas 8 ft. .TUE NIGHT...SW wind 20 kt. Seas 7 ft. .WED...S wind 35 kt. Seas 17 ft. .THU...SW wind 35 kt. Seas 17 ft. .FRI...W wind 25 kt. Seas 11 ft. $$ PKZ770-190030- Unalga Pass to Nikolski Bering Side out to 15 NM- 413 AM AKDT Mon May 18 2026 ...SMALL CRAFT ADVISORY TONIGHT... .TODAY...SW wind 20 kt. Seas 6 ft. .TONIGHT...S wind 25 kt. Seas 5 ft. Rain showers. .TUE...SW wind 20 kt. Seas 5 ft. .TUE NIGHT...SW wind 25 kt. Seas 6 ft. .WED...S wind 40 kt. Seas 16 ft. .THU...SW wind 40 kt. Seas 13 ft. .FRI...W wind 35 kt. Seas 10 ft. $$ PKZ772-190030- Unalga Pass to Nikolski Bering Side from 15 to 85 NM- 413 AM AKDT Mon May 18 2026 ...SMALL CRAFT ADVISORY TODAY AND TUESDAY... .TODAY...S wind 20 kt. Seas 9 ft. .TONIGHT...S wind 20 kt. Seas 6 ft. Rain showers. .TUE...SW wind 25 kt. Seas 7 ft. .TUE NIGHT...SW wind 25 kt. Seas 7 ft. .WED...S wind 35 kt. Seas 20 ft. .THU...SW wind 35 kt. Seas 17 ft. .FRI...W wind 30 kt. Seas 12 ft. $$ PKZ771-190030- Unalaska Bay- 413 AM AKDT Mon May 18 2026 .TODAY...S wind 15 kt becoming SW in the afternoon. Seas 2 ft. .TONIGHT...S wind 20 kt. Seas 2 ft. Rain showers. .TUE...S wind 15 kt. Seas 2 ft. Rain showers. .TUE NIGHT...SW wind 10 kt. Seas 2 ft. .WED...S wind 30 kt. Seas 4 ft. .THU...SW wind 25 kt. Seas 4 ft. .FRI...W wind 20 kt. Seas 4 ft. $$ PKZ773-190030- Unalga Pass to Nikolski Pacific Side out to 15 NM- 413 AM AKDT Mon May 18 2026 ...SMALL CRAFT ADVISORY THROUGH TUESDAY... .TODAY...SW wind 20 kt. Seas 8 ft. .TONIGHT...SW wind 25 kt. Seas 9 ft. Rain showers. .TUE...SW wind 20 kt. Seas 9 ft. .TUE NIGHT...SW wind 25 kt. Seas 8 ft. .WED...S wind 40 kt. Seas 22 ft. .THU...SW wind 40 kt. Seas 22 ft. .FRI...W wind 30 kt. Seas 10 ft. $$ PKZ774-190030- Unalga Pass to Nikolski Pacific Side from 15 to 85 NM- 413 AM AKDT Mon May 18 2026 ...SMALL CRAFT ADVISORY THROUGH TUESDAY... .TODAY...SW wind 20 kt. Seas 10 ft. .TONIGHT...SW wind 25 kt. Seas 10 ft. Rain showers. .TUE...SW wind 25 kt. Seas 10 ft. Rain showers. .TUE NIGHT...SW wind 25 kt. Seas 9 ft. .WED...S wind 40 kt. Seas 25 ft. .THU...SW wind 40 kt. Seas 25 ft. .FRI...W wind 30 kt. Seas 13 ft. $$ PKZ775-190030- Nikolski to Seguam Bering Side out to 15 NM- 413 AM AKDT Mon May 18 2026 ...SMALL CRAFT ADVISORY TODAY... .TODAY...S wind 25 kt. Seas 8 ft. .TONIGHT...SW wind 20 kt. Seas 7 ft. Rain showers. .TUE...SW wind 20 kt. Seas 7 ft. .TUE NIGHT...S wind 30 kt. Seas 8 ft. .WED...SW wind 40 kt. Seas 20 ft. .THU...W wind 35 kt. Seas 16 ft. .FRI...W wind 30 kt. Seas 8 ft. $$ PKZ776-190030- Nikolski to Seguam Bering Side from 15 to 85 NM- 413 AM AKDT Mon May 18 2026 ...SMALL CRAFT ADVISORY TODAY AND TUESDAY... .TODAY...SW wind 25 kt. Seas 9 ft. .TONIGHT...SW wind 20 kt. Seas 7 ft. Rain showers. .TUE...SW wind 25 kt. Seas 8 ft. .TUE NIGHT...S wind 30 kt. Seas 8 ft. .WED...S wind 35 kt. Seas 20 ft. .THU...W wind 35 kt. Seas 15 ft. .FRI...W wind 30 kt. Seas 11 ft. $$ PKZ777-190030- Nikolski to Seguam Pacfic Side out to 15 NM- 413 AM AKDT Mon May 18 2026 ...SMALL CRAFT ADVISORY THROUGH TUESDAY... .TODAY...SW wind 25 kt. Seas 9 ft. .TONIGHT...SW wind 25 kt. Seas 9 ft. Rain showers. .TUE...SW wind 25 kt. Seas 9 ft. .TUE NIGHT...S wind 30 kt. Seas 9 ft. .WED...SW wind 40 kt. Seas 24 ft. .THU...W wind 40 kt. Seas 22 ft. .FRI...W wind 25 kt. Seas 9 ft. $$ PKZ778-190030- Nikolski to Seguam Pacific Side from 15 to 75 NM- 413 AM AKDT Mon May 18 2026 ...SMALL CRAFT ADVISORY THROUGH TUESDAY... .TODAY...SW wind 25 kt. Seas 9 ft. .TONIGHT...SW wind 25 kt. Seas 10 ft. Rain showers. .TUE...SW wind 25 kt. Seas 10 ft. .TUE NIGHT...S wind 35 kt. Seas 11 ft. .WED THROUGH THU...W wind 40 kt. Seas 26 ft. .FRI...W wind 25 kt. Seas 12 ft. $$ PKZ780-190030- Seguam to Adak Bering Side out to 15 NM- 413 AM AKDT Mon May 18 2026 ...SMALL CRAFT ADVISORY THROUGH TUESDAY... .TODAY...SW wind 25 kt. Seas 7 ft. Rain showers. .TONIGHT...W wind 25 kt. Seas 7 ft. .TUE...W wind 25 kt. Seas 8 ft. .TUE NIGHT...S wind 35 kt. Seas 7 ft. .WED THROUGH THU...W wind 35 kt. Seas 12 ft. .FRI...NW wind 25 kt. Seas 5 ft. $$ PKZ781-190030- Seguam to Adak Bering Side from 15 to 85 NM- 413 AM AKDT Mon May 18 2026 ...SMALL CRAFT ADVISORY THROUGH TUESDAY... .TODAY...SW wind 25 kt. Seas 9 ft. Rain showers. .TONIGHT...W wind 25 kt. Seas 8 ft. .TUE...W wind 25 kt. Seas 9 ft. .TUE NIGHT...S wind 30 kt. Seas 8 ft. .WED THROUGH THU...W wind 35 kt. Seas 13 ft. .FRI...W wind 25 kt. Seas 8 ft. $$ PKZ782-190030- Seguam to Adak Pacific Side out to 15 NM- 413 AM AKDT Mon May 18 2026 ...SMALL CRAFT ADVISORY THROUGH TUESDAY... .TODAY...SW wind 25 kt. Seas 8 ft. Rain showers. .TONIGHT...W wind 25 kt. Seas 9 ft. .TUE...W wind 25 kt. Seas 9 ft. .TUE NIGHT...S wind 40 kt. Seas 11 ft. .WED...SW wind 40 kt. Seas 24 ft. .THU...W wind 35 kt. Seas 16 ft. .FRI...NW wind 25 kt. Seas 7 ft. $$ PKZ783-190030- Seguam to Adak Pacific Side from 15 to 75 NM- 413 AM AKDT Mon May 18 2026 ...SMALL CRAFT ADVISORY THROUGH TUESDAY... .TODAY...SW wind 25 kt. Seas 10 ft. Rain showers. .TONIGHT...W wind 25 kt. Seas 11 ft. .TUE...W wind 25 kt. Seas 11 ft. .TUE NIGHT...S wind 40 kt. Seas 13 ft. .WED...SW wind 40 kt. Seas 26 ft. .THU...W wind 40 kt. Seas 20 ft. .FRI...NW wind 25 kt. Seas 11 ft. $$ PKZ784-190030- Adak to Kiska Bering Side- 413 AM AKDT Mon May 18 2026 ...SMALL CRAFT ADVISORY THROUGH TUESDAY... .TODAY...W wind 25 kt. Seas 10 ft. .TONIGHT...NW wind 25 kt. Seas 10 ft. .TUE...W wind 25 kt. Seas 8 ft. .TUE NIGHT...SE wind 30 kt. Seas 7 ft. .WED THROUGH THU...W wind 30 kt. Seas 10 ft. .FRI...W wind 20 kt. Seas 7 ft. $$ PKZ785-190030- Adak to Kiska Pacific Side- 413 AM AKDT Mon May 18 2026 ...SMALL CRAFT ADVISORY THROUGH TUESDAY... .TODAY...W wind 25 kt. Seas 12 ft. .TONIGHT...W wind 25 kt. Seas 12 ft. .TUE...W wind 25 kt. Seas 10 ft. Rain showers. .TUE NIGHT...SE wind 35 kt. Seas 12 ft. .WED...W wind 35 kt. Seas 19 ft. .THU...W wind 30 kt. Seas 14 ft. .FRI...NW wind 25 kt. Seas 8 ft. $$ PKZ786-190030- Kiska to Attu Bering Side- 413 AM AKDT Mon May 18 2026 ...SMALL CRAFT ADVISORY THROUGH TONIGHT... .TODAY...NW wind 25 kt. Seas 11 ft. .TONIGHT...NW wind 25 kt. Seas 11 ft. .TUE...SW wind 15 kt. Seas 7 ft. Rain showers. .TUE NIGHT...NE wind 20 kt. Seas 7 ft. .WED...NW wind 25 kt. Seas 9 ft. .THU...W wind 20 kt. Seas 9 ft. .FRI...W wind 15 kt. Seas 5 ft. $$ PKZ787-190030- Kiska to Attu Pacific Side- 413 AM AKDT Mon May 18 2026 ...SMALL CRAFT ADVISORY THROUGH TUESDAY... .TODAY...NW wind 30 kt. Seas 13 ft. .TONIGHT...W wind 25 kt. Seas 11 ft. .TUE...SW wind 20 kt. Seas 8 ft. Rain showers. .TUE NIGHT...NE wind 25 kt. Seas 8 ft. .WED THROUGH THU...W wind 25 kt. Seas 11 ft. .FRI...W wind 20 kt. Seas 6 ft. $$ PKZ766-190030- Pribilof Islands Nearshore Waters- 413 AM AKDT Mon May 18 2026 ...SMALL CRAFT ADVISORY TODAY... .TODAY...S wind 25 kt. Seas 10 ft. .TONIGHT...SE wind 20 kt. Seas 6 ft. .TUE...SE wind 20 kt. Seas 5 ft. Rain showers. .TUE NIGHT...S wind 20 kt. Seas 5 ft. .WED...SE wind 30 kt. Seas 13 ft. .THU THROUGH FRI...W wind 25 kt. Seas 11 ft. $$ PKZ760-190030- Bristol Bay greater than 15 NM- 413 AM AKDT Mon May 18 2026 ...SMALL CRAFT ADVISORY THROUGH TONIGHT... .TODAY...S wind 10 kt becoming E 25 kt in the afternoon. Seas 4 ft. Rain. .TONIGHT...E wind 30 kt becoming SW after midnight. Seas 6 ft. .TUE...S wind 20 kt. Seas 6 ft. .TUE NIGHT...SE wind 15 kt. Seas 3 ft. .WED...SE wind 30 kt. Seas 6 ft. .THU...S wind 25 kt. Seas 10 ft. .FRI...SW wind 20 kt. Seas 9 ft. $$ PKZ761-190030- Bristol Bay from Port Heiden to Cape Chichagof out to 15 NM- 413 AM AKDT Mon May 18 2026 ...GALE WARNING TONIGHT... .TODAY...S wind 10 kt becoming SE 25 kt in the afternoon. Seas 4 ft. Rain. .TONIGHT...SE wind 35 kt. Seas 6 ft. .TUE...S wind 20 kt. Seas 5 ft. .TUE NIGHT...SE wind 15 kt. Seas 3 ft. .WED...SE wind 25 kt. Seas 5 ft. .THU...S wind 25 kt. Seas 9 ft. .FRI...SW wind 15 kt. Seas 9 ft. $$ PKZ762-190030- Bristol Bay from Cape Chichagof to Cape Pierce out to 15 NM- 413 AM AKDT Mon May 18 2026 ...GALE WARNING TONIGHT... .TODAY...S wind 10 kt becoming SE in the afternoon. Seas 3 ft. .TONIGHT...E wind 35 kt becoming SE 25 kt after midnight. Seas 5 ft. Rain. .TUE...SW wind 25 kt becoming SE 15 kt in the afternoon. Seas 4 ft. .TUE NIGHT...SE wind 15 kt. Seas 2 ft. .WED THROUGH THU...S wind 30 kt. Seas 5 ft. .FRI...SW wind 20 kt. Seas 5 ft. $$ PKZ763-190030- Kuskokwim Delta and Etolin Strait out to 15 NM- 413 AM AKDT Mon May 18 2026 .TODAY...SE wind 15 kt. Seas 4 ft. .TONIGHT...E wind 15 kt becoming N after midnight. Seas 3 ft. .TUE...S wind 20 kt. Seas 3 ft. .TUE NIGHT...SE wind 25 kt. Seas 5 ft. .WED THROUGH THU...SE wind 30 kt. Seas 7 ft. .FRI...SW wind 25 kt. Seas 5 ft. $$ PKZ764-190030- Kuskokwim Delta from 15 to 80 NM- 413 AM AKDT Mon May 18 2026 .TODAY...SE wind 20 kt. Seas 6 ft. .TONIGHT...E wind 20 kt becoming NW after midnight. Seas 6 ft. Rain. .TUE...SE wind 20 kt. Seas 5 ft. .TUE NIGHT...S wind 20 kt. Seas 6 ft. .WED...SE wind 30 kt. Seas 11 ft. .THU...S wind 25 kt. Seas 11 ft. .FRI...SW wind 20 kt. Seas 9 ft. $$ PKZ765-190030- North and West of Nunivak Island- 413 AM AKDT Mon May 18 2026 .TODAY...SE wind 20 kt. Seas 6 ft. .TONIGHT...E wind 15 kt. Seas 6 ft. .TUE...Variable wind 10 kt becoming SE 15 kt in the afternoon. Sea 4 ft. .TUE NIGHT...SE wind 20 kt. Seas 4 ft. .WED THROUGH THU...E wind 30 kt. Seas 8 ft. .FRI...SW wind 15 kt. Seas 5 ft. $$ PKZ767-190030- Saint Matthew Island Waters- 413 AM AKDT Mon May 18 2026 ...SMALL CRAFT ADVISORY THROUGH TONIGHT... .TODAY...E wind 25 kt. Seas in ice free waters 8 ft. .TONIGHT...E wind 25 kt. Seas in ice free waters 7 ft. .TUE...E wind 20 kt. Seas in ice free waters 6 ft. .TUE NIGHT...E wind 20 kt. Seas in ice free waters 5 ft. .WED...E wind 25 kt. Seas in ice free waters 7 ft. .THU...NE wind 25 kt. Seas in ice free waters 8 ft. .FRI...NW wind 20 kt. Seas in ice free waters 6 ft. $$