Coastal Waters Forecast
Issued by NWS
Issued by NWS
044 FZAK52 PAFC 181207 CWFALU Coastal Waters Forecast National Weather Service Anchorage Alaska 407 AM AKDT Fri Sep 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- 407 AM AKDT Fri Sep 18 2026 .SYNOPSIS FOR SOUTHWEST ALASKA+BRISTOL BAY+THE ALASKA PENINSULA WATERS AND THE ALEUTIAN ISLANDS... A 1004 mb low 50 nm S of Mekoryuk will weaken as it drifts over the Yukon-Kuskokwim Delta through Fri afternoon. A 1001 mb low develops 135 nm SE of Unalaska Fri afternoon and moves to 235 nm SE of Sand Point Sat morning at 982 mb before continuing into the Gulf through Sat afternoon. $$ PKZ750-190030- Sitkinak to Castle Cape out to 15 NM- 407 AM AKDT Fri Sep 18 2026 ...SMALL CRAFT ADVISORY SATURDAY... .TODAY...Variable wind 10 kt. Seas 2 ft. .TONIGHT...Variable wind 10 kt becoming NE 15 kt after midnight. Seas 2 ft. .SAT...N wind 30 kt. Seas 5 ft. .SAT NIGHT...NW wind 40 kt. Seas 7 ft. .SUN...W wind 30 kt. Seas 7 ft. .MON THROUGH TUE...NW wind 25 kt. Seas 6 ft. $$ PKZ751-190030- Sitkinak to Castle Cape from 15 to 100 NM- 407 AM AKDT Fri Sep 18 2026 ...GALE WARNING SATURDAY... .TODAY...SW wind 15 kt. Seas 5 ft. .TONIGHT...Variable wind 10 kt becoming E 20 kt after midnight. Seas 5 ft. .SAT...N wind 35 kt. Seas 10 ft. .SAT NIGHT...NW wind 40 kt. Seas 12 ft. .SUN...W wind 35 kt. Seas 13 ft. .MON...NW wind 30 kt. Seas 10 ft. .TUE...NW wind 25 kt. Seas 7 ft. $$ PKZ752-190030- Castle Cape to Cape Tolstoi out to 15 NM- 407 AM AKDT Fri Sep 18 2026 ...SMALL CRAFT ADVISORY SATURDAY... .TODAY...W wind 15 kt in the morning becoming variable 10 kt. Seas 2 ft. .TONIGHT...N wind 15 kt. Seas 2 ft. .SAT...NW wind 15 kt increasing to 25 kt in the afternoon. Seas 3 ft. .SAT NIGHT...NW wind 35 kt. Seas 6 ft. .SUN...W wind 30 kt. Seas 6 ft. .MON...NW wind 25 kt. Seas 4 ft. .TUE...NW wind 15 kt. Seas 2 ft. $$ PKZ753-190030- Castle Cape to Cape Tolstoi from 15 to 100 NM- 407 AM AKDT Fri Sep 18 2026 ...SMALL CRAFT ADVISORY TONIGHT AND SATURDAY... .TODAY...W wind 20 kt in the morning becoming variable 10 kt. Seas 5 ft. .TONIGHT...Variable wind 10 kt becoming N 25 kt after midnight. Seas 5 ft. .SAT...N wind 30 kt. Seas 8 ft. .SAT NIGHT...NW wind 40 kt. Seas 13 ft. .SUN...W wind 35 kt. Seas 12 ft. .MON...NW wind 25 kt. Seas 8 ft. .TUE...NW wind 20 kt. Seas 6 ft. $$ PKZ754-190030- Cape Tolstoi to Cape Sarichef out to 15 NM- 407 AM AKDT Fri Sep 18 2026 ...SMALL CRAFT ADVISORY SATURDAY... .TODAY...W wind 15 kt in the morning becoming variable 10 kt. Seas 4 ft. Rain showers. .TONIGHT...NW wind 20 kt. Seas 3 ft. .SAT...NW wind 20 kt increasing to 30 kt in the afternoon. Seas 5 ft. .SAT NIGHT...NW wind 30 kt. Seas 5 ft. .SUN...NW wind 25 kt. Seas 3 ft. .MON...NW wind 20 kt. Seas 3 ft. .TUE...W wind 15 kt. Seas 3 ft. $$ PKZ755-190030- Cape Tolstoi to Unalga Pass from 15 to 100 NM- 407 AM AKDT Fri Sep 18 2026 ...GALE WARNING SATURDAY... .TODAY...SW wind 15 kt in the morning becoming variable 10 kt. Seas 6 ft. .TONIGHT...NW wind 30 kt. Seas 6 ft. .SAT...NW wind 35 kt. Seas 10 ft. .SAT NIGHT...NW wind 35 kt. Seas 11 ft. .SUN THROUGH MON...NW wind 25 kt. Seas 8 ft. .TUE...W wind 15 kt. Seas 6 ft. $$ PKZ756-190030- Port Heiden to Nelson Lagoon out to 15 NM- 407 AM AKDT Fri Sep 18 2026 ...SMALL CRAFT ADVISORY SATURDAY... .TODAY...SW wind 15 kt. Seas 5 ft. Rain showers. .TONIGHT...Variable wind 10 kt. Seas 4 ft. .SAT...NW wind 20 kt increasing to 30 kt in the afternoon. Seas 3 ft building to 7 ft in the afternoon. Rain showers. .SAT NIGHT...NW wind 30 kt. Seas 11 ft. .SUN...NW wind 30 kt. Seas 11 ft. .MON...NW wind 25 kt. Seas 8 ft. .TUE...NW wind 20 kt. Seas 4 ft. $$ PKZ757-190030- Port Heiden to Nelson Lagoon from 15 to 60 NM- 407 AM AKDT Fri Sep 18 2026 ...SMALL CRAFT ADVISORY SATURDAY... .TODAY...W wind 15 kt. Seas 6 ft. .TONIGHT...Variable wind 10 kt. Seas 5 ft. .SAT...NW wind 20 kt increasing to 30 kt in the afternoon. Seas 4 ft building to 10 ft in the afternoon. .SAT NIGHT...NW wind 30 kt. Seas 12 ft. .SUN...NW wind 30 kt. Seas 11 ft. .MON...NW wind 25 kt. Seas 8 ft. .TUE...NW wind 20 kt. Seas 5 ft. $$ PKZ758-190030- Nelson Lagoon to Cape Sarichef out to 15 NM- 407 AM AKDT Fri Sep 18 2026 ...SMALL CRAFT ADVISORY SATURDAY... .TODAY...SW wind 20 kt in the morning becoming variable 10 kt. Seas 6 ft. .TONIGHT...NW wind 20 kt. Seas 5 ft. Rain showers. .SAT...NW wind 30 kt. Seas 11 ft. Rain showers. .SAT NIGHT...NW wind 30 kt. Seas 11 ft. .SUN THROUGH MON...NW wind 25 kt. Seas 8 ft. .TUE...W wind 20 kt. Seas 5 ft. $$ PKZ759-190030- Nelson Lagoon to Unalga Pass 15 to 70 nm- 407 AM AKDT Fri Sep 18 2026 ...SMALL CRAFT ADVISORY THROUGH SATURDAY... .TODAY...W wind 20 kt in the morning becoming variable 10 kt. Seas 8 ft. .TONIGHT...NW wind 25 kt. Seas 8 ft. .SAT...NW wind 30 kt. Seas 12 ft. .SAT NIGHT...NW wind 30 kt. Seas 12 ft. .SUN...NW wind 25 kt. Seas 9 ft. .MON...NW wind 20 kt. Seas 7 ft. .TUE...W wind 20 kt. Seas 6 ft. $$ PKZ768-190030- Unimak Pass- 407 AM AKDT Fri Sep 18 2026 ...GALE WARNING SATURDAY... .TODAY...SW wind 15 kt in the morning becoming variable 10 kt. Seas 6 ft. Rain showers. .TONIGHT...NW wind 20 kt increasing to 30 kt after midnight. Seas 7 ft. Rain showers. .SAT...NW wind 35 kt. Seas 12 ft. Rain showers. .SAT NIGHT...NW wind 30 kt. Seas 11 ft. .SUN THROUGH MON...NW wind 25 kt. Seas 8 ft. .TUE...SW wind 15 kt. Seas 5 ft. $$ PKZ770-190030- Unalga Pass to Nikolski Bering Side out to 15 NM- 407 AM AKDT Fri Sep 18 2026 ...SMALL CRAFT ADVISORY TONIGHT AND SATURDAY... .TODAY...Variable wind 10 kt becoming NW 20 kt in the afternoon. Seas 6 ft. Rain showers. .TONIGHT...NW wind 30 kt. Seas 9 ft. Rain showers. .SAT...NW wind 30 kt. Seas 12 ft. .SAT NIGHT...NW wind 20 kt. Seas 10 ft. .SUN...NW wind 25 kt. Seas 7 ft. .MON...W wind 20 kt. Seas 7 ft. .TUE...SW wind 25 kt. Seas 5 ft. $$ PKZ772-190030- Unalga Pass to Nikolski Bering Side from 15 to 85 NM- 407 AM AKDT Fri Sep 18 2026 ...SMALL CRAFT ADVISORY TONIGHT AND SATURDAY... .TODAY...Variable wind 10 kt becoming NW 20 kt in the afternoon. Seas 6 ft. .TONIGHT...NW wind 30 kt. Seas 7 ft building to 11 ft after midnight. .SAT...NW wind 30 kt. Seas 13 ft. .SAT NIGHT...NW wind 20 kt. Seas 10 ft. .SUN...NW wind 25 kt. Seas 9 ft. .MON...W wind 20 kt. Seas 8 ft. .TUE...SW wind 25 kt. Seas 7 ft. $$ PKZ771-190030- Unalaska Bay- 407 AM AKDT Fri Sep 18 2026 ...SMALL CRAFT ADVISORY TONIGHT AND SATURDAY... .TODAY...Variable wind less than 10 kt becoming NW 10 kt in the afternoon. Seas 3 ft. Rain showers. .TONIGHT...NW wind 20 kt increasing to 30 kt after midnight. Seas 4 ft building to 8 ft after midnight. Rain showers. .SAT...NW wind 30 kt. Seas 11 ft. Rain showers. .SAT NIGHT...NW wind 25 kt. Seas 10 ft. .SUN THROUGH MON...W wind 25 kt. Seas 6 ft. .TUE...SW wind 15 kt. Seas 4 ft. $$ PKZ773-190030- Unalga Pass to Nikolski Pacific Side out to 15 NM- 407 AM AKDT Fri Sep 18 2026 ...SMALL CRAFT ADVISORY TONIGHT AND SATURDAY... .TODAY...N wind 15 kt. Seas 4 ft. Rain showers. .TONIGHT...NW wind 30 kt. Seas 6 ft. .SAT...NW wind 30 kt. Seas 6 ft. .SAT NIGHT...NW wind 25 kt. Seas 5 ft. .SUN...NW wind 25 kt. Seas 4 ft. .MON...W wind 20 kt. Seas 4 ft. .TUE...SW wind 25 kt. Seas 5 ft. $$ PKZ774-190030- Unalga Pass to Nikolski Pacific Side from 15 to 85 NM- 407 AM AKDT Fri Sep 18 2026 ...GALE WARNING SATURDAY... .TODAY...SW wind 15 kt becoming NW in the afternoon. Seas 5 ft. Rain. .TONIGHT...NW wind 30 kt. Seas 9 ft. .SAT...NW wind 35 kt. Seas 10 ft. .SAT NIGHT...NW wind 30 kt. Seas 9 ft. .SUN THROUGH MON...W wind 25 kt. Seas 6 ft. .TUE...SW wind 20 kt. Seas 6 ft. $$ PKZ775-190030- Nikolski to Seguam Bering Side out to 15 NM- 407 AM AKDT Fri Sep 18 2026 ...SMALL CRAFT ADVISORY THROUGH SATURDAY... .TODAY...NW wind 25 kt. Seas 6 ft. .TONIGHT...NW wind 30 kt. Seas 11 ft. .SAT...NW wind 30 kt diminishing to 20 kt in the afternoon. Seas 11 ft. .SAT NIGHT...NW wind 15 kt. Seas 8 ft. .SUN...NW wind 25 kt. Seas 7 ft. .MON...W wind 25 kt. Seas 7 ft. .TUE...SW wind 25 kt. Seas 7 ft. $$ PKZ776-190030- Nikolski to Seguam Bering Side from 15 to 85 NM- 407 AM AKDT Fri Sep 18 2026 ...SMALL CRAFT ADVISORY THROUGH SATURDAY... .TODAY...NW wind 25 kt. Seas 7 ft. .TONIGHT...NW wind 30 kt. Seas 11 ft. .SAT...NW wind 30 kt diminishing to 20 kt in the afternoon. Seas 12 ft. .SAT NIGHT...NW wind 20 kt. Seas 8 ft. .SUN THROUGH MON...W wind 25 kt. Seas 8 ft. .TUE...S wind 25 kt. Seas 9 ft. $$ PKZ777-190030- Nikolski to Seguam Pacfic Side out to 15 NM- 407 AM AKDT Fri Sep 18 2026 ...SMALL CRAFT ADVISORY THROUGH SATURDAY... .TODAY...NW wind 25 kt. Seas 7 ft. .TONIGHT...NW wind 30 kt. Seas 10 ft. .SAT...NW wind 30 kt diminishing to 20 kt in the afternoon. Seas 9 ft. .SAT NIGHT...NW wind 15 kt. Seas 7 ft. .SUN...NW wind 25 kt. Seas 6 ft. .MON...W wind 25 kt. Seas 6 ft. .TUE...SW wind 25 kt. Seas 7 ft. $$ PKZ778-190030- Nikolski to Seguam Pacific Side from 15 to 75 NM- 407 AM AKDT Fri Sep 18 2026 ...SMALL CRAFT ADVISORY THROUGH SATURDAY... .TODAY...NW wind 30 kt. Seas 9 ft. .TONIGHT...NW wind 30 kt. Seas 11 ft. .SAT...NW wind 30 kt. Seas 11 ft. .SAT NIGHT...NW wind 20 kt. Seas 8 ft. .SUN THROUGH MON...W wind 25 kt. Seas 6 ft. .TUE...SW wind 25 kt. Seas 7 ft. $$ PKZ780-190030- Seguam to Adak Bering Side out to 15 NM- 407 AM AKDT Fri Sep 18 2026 ...SMALL CRAFT ADVISORY THROUGH SATURDAY... .TODAY...NW wind 30 kt. Seas 9 ft. .TONIGHT...NW wind 30 kt. Seas 10 ft. .SAT...NW wind 25 kt. Seas 8 ft. .SAT NIGHT...W wind 15 kt. Seas 7 ft. .SUN...NW wind 20 kt. Seas 6 ft. .MON...W wind 20 kt. Seas 5 ft. .TUE...S wind 40 kt. Seas 6 ft. $$ PKZ781-190030- Seguam to Adak Bering Side from 15 to 85 NM- 407 AM AKDT Fri Sep 18 2026 ...SMALL CRAFT ADVISORY THROUGH SATURDAY... .TODAY...NW wind 30 kt. Seas 11 ft. .TONIGHT...NW wind 30 kt. Seas 11 ft. .SAT...NW wind 25 kt. Seas 9 ft. .SAT NIGHT...NW wind 15 kt. Seas 7 ft. .SUN...NW wind 25 kt. Seas 6 ft. .MON...W wind 20 kt. Seas 6 ft. .TUE...S wind 35 kt. Seas 10 ft. $$ PKZ782-190030- Seguam to Adak Pacific Side out to 15 NM- 407 AM AKDT Fri Sep 18 2026 ...SMALL CRAFT ADVISORY THROUGH TONIGHT... .TODAY...NW wind 30 kt. Seas 7 ft. .TONIGHT...NW wind 30 kt. Seas 7 ft. .SAT...NW wind 20 kt. Seas 6 ft. .SAT NIGHT...W wind 15 kt. Seas 4 ft. .SUN...NW wind 20 kt. Seas 4 ft. .MON...W wind 15 kt. Seas 4 ft. .TUE...S wind 35 kt. Seas 8 ft. $$ PKZ783-190030- Seguam to Adak Pacific Side from 15 to 75 NM- 407 AM AKDT Fri Sep 18 2026 ...SMALL CRAFT ADVISORY THROUGH SATURDAY... .TODAY...W wind 30 kt. Seas 11 ft. .TONIGHT...NW wind 30 kt. Seas 11 ft. .SAT...NW wind 25 kt. Seas 8 ft. Rain. .SAT NIGHT...W wind 20 kt. Seas 6 ft. .SUN...NW wind 20 kt. Seas 6 ft. .MON...W wind 15 kt. Seas 5 ft. .TUE...S wind 35 kt. Seas 9 ft. $$ PKZ784-190030- Adak to Kiska Bering Side- 407 AM AKDT Fri Sep 18 2026 ...SMALL CRAFT ADVISORY THROUGH TONIGHT... .TODAY...NW wind 30 kt. Seas 11 ft. .TONIGHT...NW wind 25 kt. Seas 9 ft. .SAT...W wind 20 kt. Seas 7 ft. Rain showers. .SAT NIGHT...NW wind 20 kt. Seas 7 ft. .SUN...NW wind 20 kt. Seas 6 ft. .MON...SW wind 25 kt. Seas 5 ft. .TUE...S wind 45 kt. Seas 14 ft. $$ PKZ785-190030- Adak to Kiska Pacific Side- 407 AM AKDT Fri Sep 18 2026 ...SMALL CRAFT ADVISORY THROUGH SATURDAY... .TODAY...NW wind 30 kt. Seas 12 ft. .TONIGHT...NW wind 25 kt. Seas 10 ft. .SAT...SW wind 25 kt. Seas 7 ft. .SAT NIGHT...NW wind 25 kt. Seas 8 ft. .SUN...NW wind 20 kt. Seas 7 ft. .MON...SW wind 25 kt. Seas 5 ft. .TUE...S wind 40 kt. Seas 16 ft. $$ PKZ786-190030- Kiska to Attu Bering Side- 407 AM AKDT Fri Sep 18 2026 ...SMALL CRAFT ADVISORY TODAY AND SATURDAY... .TODAY...NW wind 30 kt diminishing to 20 kt in the afternoon. Seas 10 ft. .TONIGHT...W wind 20 kt. Seas 7 ft. Rain. .SAT...NW wind 25 kt. Seas 7 ft. .SAT NIGHT...N wind 25 kt. Seas 7 ft. .SUN...W wind 15 kt. Seas 6 ft. .MON...S wind 25 kt. Seas 9 ft. .TUE...S wind 45 kt. Seas 17 ft. $$ PKZ787-190030- Kiska to Attu Pacific Side- 407 AM AKDT Fri Sep 18 2026 ...SMALL CRAFT ADVISORY THROUGH SATURDAY... .TODAY...NW wind 30 kt diminishing to 20 kt in the afternoon. Seas 12 ft. .TONIGHT...SW wind 25 kt. Seas 8 ft. .SAT...W wind 25 kt. Seas 8 ft. .SAT NIGHT...NW wind 25 kt. Seas 8 ft. .SUN...W wind 15 kt. Seas 7 ft. .MON...S wind 30 kt. Seas 10 ft. .TUE...SW wind 45 kt. Seas 19 ft. $$ PKZ766-190030- Pribilof Islands Nearshore Waters- 407 AM AKDT Fri Sep 18 2026 ...SMALL CRAFT ADVISORY TONIGHT AND SATURDAY... .TODAY...NW wind 20 kt. Seas 6 ft. .TONIGHT...NW wind 30 kt. Seas 11 ft. .SAT...N wind 30 kt becoming NW 20 kt in the afternoon. Seas 10 ft. .SAT NIGHT...NW wind 25 kt. Seas 7 ft. .SUN...NW wind 25 kt. Seas 7 ft. .MON...NW wind 15 kt. Seas 6 ft. .TUE...S wind 25 kt. Seas 10 ft. $$ PKZ760-190030- Bristol Bay greater than 15 NM- 407 AM AKDT Fri Sep 18 2026 ...SMALL CRAFT ADVISORY SATURDAY... .TODAY...SW wind 20 kt. Seas 5 ft. .TONIGHT...W wind 10 kt. Seas 4 ft. .SAT...N wind 10 kt becoming NW 25 kt in the afternoon. Seas 4 ft. .SAT NIGHT...NW wind 30 kt. Seas 11 ft. .SUN...NW wind 30 kt. Seas 10 ft. .MON...NW wind 25 kt. Seas 8 ft. .TUE...NW wind 15 kt. Seas 4 ft. $$ PKZ761-190030- Bristol Bay from Port Heiden to Cape Chichagof out to 15 NM- 407 AM AKDT Fri Sep 18 2026 .TODAY...S wind 20 kt. Seas 4 ft. Rain showers. .TONIGHT...Variable wind less than 10 kt becoming NW 10 kt after midnight. Seas 3 ft. .SAT...N wind 10 kt becoming NW in the afternoon. Seas 3 ft. .SAT NIGHT...NW wind 30 kt. Seas 10 ft. .SUN...NW wind 30 kt. Seas 10 ft. .MON...NW wind 25 kt. Seas 8 ft. .TUE...NW wind 20 kt. Seas 4 ft. $$ PKZ762-190030- Bristol Bay from Cape Chichagof to Cape Pierce out to 15 NM- 407 AM AKDT Fri Sep 18 2026 ...SMALL CRAFT ADVISORY SATURDAY... .TODAY...S wind 15 kt. Seas 3 ft. .TONIGHT...SW wind 10 kt in the evening becoming variable less than 10 kt. Seas 3 ft. .SAT...N wind 10 kt becoming NW 25 kt in the afternoon. Seas 2 ft. .SAT NIGHT...NW wind 30 kt. Seas 5 ft. .SUN...NW wind 30 kt. Seas 5 ft. .MON...NW wind 25 kt. Seas 4 ft. .TUE...NW wind 15 kt. Seas 2 ft. $$ PKZ763-190030- Kuskokwim Delta and Etolin Strait out to 15 NM- 407 AM AKDT Fri Sep 18 2026 ...SMALL CRAFT ADVISORY TONIGHT AND SATURDAY... .TODAY...Variable wind less than 10 kt. Seas 3 ft. .TONIGHT...N wind 25 kt. Seas 4 ft. .SAT...N wind 30 kt. Seas 6 ft. .SAT NIGHT...NW wind 30 kt. Seas 6 ft. .SUN...NW wind 30 kt. Seas 6 ft. .MON...NW wind 20 kt. Seas 5 ft. .TUE...SW wind 20 kt. Seas 4 ft. $$ PKZ764-190030- Kuskokwim Delta from 15 to 80 NM- 407 AM AKDT Fri Sep 18 2026 ...SMALL CRAFT ADVISORY TONIGHT AND SATURDAY... .TODAY...W wind 10 kt. Seas 5 ft. .TONIGHT...NW wind 30 kt. Seas 4 ft building to 8 ft after midnight. .SAT...N wind 30 kt. Seas 10 ft. .SAT NIGHT...NW wind 30 kt. Seas 10 ft. .SUN...NW wind 30 kt. Seas 10 ft. .MON...NW wind 20 kt. Seas 7 ft. .TUE...W wind 20 kt. Seas 4 ft. $$ PKZ765-190030- North and West of Nunivak Island- 407 AM AKDT Fri Sep 18 2026 ...SMALL CRAFT ADVISORY TONIGHT AND SATURDAY... .TODAY...Variable wind 10 kt becoming N 20 kt in the afternoon. Seas 6 ft. .TONIGHT...N wind 30 kt. Seas 12 ft. .SAT...N wind 30 kt. Seas 12 ft. .SAT NIGHT...NW wind 30 kt. Seas 8 ft. .SUN...NW wind 20 kt. Seas 7 ft. .MON...NW wind 15 kt. Seas 5 ft. .TUE...SW wind 25 kt. Seas 5 ft. $$ PKZ767-190030- Saint Matthew Island Waters- 407 AM AKDT Fri Sep 18 2026 ...SMALL CRAFT ADVISORY THROUGH SATURDAY... .TODAY...N wind 30 kt. Seas 10 ft. .TONIGHT...N wind 30 kt E of Saint Matthew Island...N 25 kt W of Saint Matthew Island. Seas 11 ft. .SAT...N wind 25 kt. Seas 8 ft. .SAT NIGHT...NW wind 25 kt. Seas 7 ft. .SUN...NW wind 25 kt. Seas 7 ft. .MON...W wind 15 kt. Seas 5 ft. .TUE...S wind 30 kt. Seas 10 ft. $$