Coastal Waters Forecast
Issued by NWS
Issued by NWS
819 FZAK52 PAFC 161140 CWFALU Coastal Waters Forecast National Weather Service Anchorage Alaska 340 AM AKDT Wed Jul 16 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. PKZ199-170045- 340 AM AKDT Wed Jul 16 2025 .SYNOPSIS FOR SOUTHWEST ALASKA+BRISTOL BAY+THE ALASKA PENINSULA WATERS AND THE ALEUTIAN ISLANDS... A 1014 mb low near Port Heiden moves into Southwest Alaska by Wed afternoon. A 986 mb low 310 nm W of Saint Matthew weakens to 996 mb as it moves to 280 nm N of Attu by Fri morning. A 1000 mb low 230 nm S of Adak Wed afternoon weakens to 1005 mb as it moves to 50 nm SE of Chignik by Fri morning. $$ PKZ750-170045- Sitkinak to Castle Cape out to 15 NM- 340 AM AKDT Wed Jul 16 2025 ...SMALL CRAFT ADVISORY THROUGH TONIGHT... .TODAY...S wind 15 kt becoming SW 25 kt in the afternoon. Seas 4 ft building to 8 ft in the afternoon. .TONIGHT...SW wind 25 kt. Seas 8 ft. .THU...S wind 15 kt. Seas 5 ft. .THU NIGHT...E wind 25 kt. Seas 7 ft. .FRI...S wind 15 kt. Seas 6 ft. .SAT...Variable wind 10 kt. Seas 4 ft. .SUN...S wind 20 kt. Seas 5 ft. $$ PKZ751-170045- Sitkinak to Castle Cape from 15 to 100 NM- 340 AM AKDT Wed Jul 16 2025 ...SMALL CRAFT ADVISORY THROUGH THURSDAY... .TODAY...SW wind 30 kt. Seas 10 ft. .TONIGHT...SW wind 20 kt. Seas 8 ft. .THU...S wind 15 kt becoming SE 25 kt in the afternoon. Seas 5 ft. .THU NIGHT...SE wind 25 kt. Seas 8 ft. .FRI...SW wind 15 kt. Seas 7 ft. .SAT...S wind 15 kt. Seas 7 ft. .SUN...SW wind 25 kt. Seas 7 ft. $$ PKZ752-170045- Castle Cape to Cape Tolstoi out to 15 NM- 340 AM AKDT Wed Jul 16 2025 ...SMALL CRAFT ADVISORY TODAY AND THURSDAY... .TODAY...W wind 25 kt. Seas 7 ft. Areas of fog. .TONIGHT...SW wind 20 kt. Seas 6 ft. .THU...SE wind 15 kt becoming E 25 kt in the afternoon. Seas 5 ft. .THU NIGHT...NE wind 25 kt. Seas 7 ft. .FRI...SW wind 15 kt. Seas 5 ft. .SAT...Variable wind 10 kt. Seas 4 ft. .SUN...S wind 20 kt. Seas 4 ft. $$ PKZ753-170045- Castle Cape to Cape Tolstoi from 15 to 100 NM- 340 AM AKDT Wed Jul 16 2025 ...SMALL CRAFT ADVISORY TODAY AND THURSDAY... .TODAY...W wind 25 kt. Seas 7 ft. .TONIGHT...SW wind 20 kt. Seas 6 ft. .THU...SE wind 25 kt. Seas 8 ft. Rain. .THU NIGHT...S wind 25 kt. Seas 8 ft. .FRI...SW wind 15 kt. Seas 8 ft. .SAT...S wind 20 kt. Seas 7 ft. .SUN...S wind 25 kt. Seas 8 ft. $$ PKZ754-170045- Cape Tolstoi to Cape Sarichef out to 15 NM- 340 AM AKDT Wed Jul 16 2025 ...SMALL CRAFT ADVISORY THURSDAY... .TODAY...SW wind 20 kt. Seas 6 ft. Areas of fog. .TONIGHT...S wind 20 kt. Seas 6 ft. .THU...E wind 25 kt. Seas 6 ft. Rain. .THU NIGHT...N wind 20 kt. Seas 7 ft. .FRI...SW wind 15 kt. Seas 6 ft. .SAT...SE wind 15 kt. Seas 4 ft. .SUN...S wind 20 kt. Seas 5 ft. $$ PKZ755-170045- Cape Tolstoi to Cape Sarichef from 15 to 100 NM- 340 AM AKDT Wed Jul 16 2025 ...SMALL CRAFT ADVISORY THURSDAY... .TODAY...SW wind 20 kt. Seas 6 ft. Areas of fog. .TONIGHT...S wind 20 kt. Seas 7 ft. .THU...SE wind 25 kt. Seas 8 ft. Rain. .THU NIGHT...NW wind 20 kt. Seas 7 ft. .FRI...SW wind 15 kt. Seas 8 ft. .SAT...S wind 20 kt. Seas 6 ft. .SUN...S wind 25 kt. Seas 9 ft. $$ PKZ756-170045- Port Heiden to Nelson Lagoon out to 15 NM- 340 AM AKDT Wed Jul 16 2025 ...SMALL CRAFT ADVISORY TODAY... .TODAY...W wind 25 kt. Seas 5 ft. Areas of fog. .TONIGHT...S wind 15 kt. Seas 4 ft. .THU...SE wind 20 kt. Seas 4 ft. .THU NIGHT...NE wind 20 kt. Seas 4 ft. .FRI...SW wind 15 kt. Seas 3 ft. .SAT...SE wind 15 kt. Seas 2 ft. .SUN...SE wind 20 kt. Seas 2 ft. $$ PKZ757-170045- Port Heiden to Nelson Lagoon from 15 to 60 NM- 340 AM AKDT Wed Jul 16 2025 ...SMALL CRAFT ADVISORY TODAY... .TODAY...W wind 25 kt. Seas 6 ft. Areas of fog. .TONIGHT...S wind 15 kt. Seas 5 ft. .THU...SE wind 20 kt. Seas 5 ft. .THU NIGHT...E wind 20 kt. Seas 5 ft. .FRI...SW wind 15 kt. Seas 4 ft. .SAT...SE wind 15 kt. Seas 3 ft. .SUN...S wind 20 kt. Seas 4 ft. $$ PKZ758-170045- Nelson Lagoon to Cape Sarichef out to 15 NM- 340 AM AKDT Wed Jul 16 2025 ...SMALL CRAFT ADVISORY THROUGH TONIGHT... .TODAY...S wind 25 kt. Seas 5 ft. Areas of fog. .TONIGHT...S wind 25 kt. Seas 6 ft. .THU...SE wind 20 kt. Seas 4 ft. .THU NIGHT...SW wind 15 kt. Seas 4 ft. .FRI...SW wind 15 kt. Seas 3 ft. .SAT...SE wind 15 kt. Seas 2 ft. .SUN...S wind 20 kt. Seas 2 ft. $$ PKZ759-170045- Nelson Lagoon to Cape Sarichef from 15 to 70 NM- 340 AM AKDT Wed Jul 16 2025 ...SMALL CRAFT ADVISORY THROUGH TONIGHT... .TODAY...S wind 25 kt. Seas 7 ft. Areas of fog. .TONIGHT...S wind 25 kt. Seas 8 ft. .THU...SE wind 20 kt. Seas 6 ft. .THU NIGHT...SE wind 15 kt. Seas 5 ft. .FRI...SW wind 15 kt. Seas 4 ft. .SAT...SE wind 15 kt. Seas 3 ft. .SUN...S wind 20 kt. Seas 4 ft. $$ PKZ770-170045- Cape Sarichef to Nikolski Bering Side out to 15 NM- 340 AM AKDT Wed Jul 16 2025 ...SMALL CRAFT ADVISORY THROUGH THURSDAY... .TODAY...S wind 30 kt. Seas 7 ft. Areas of fog. .TONIGHT...S wind 30 kt. Seas 8 ft. Rain. .THU...SE wind 25 kt. Seas 5 ft. .THU NIGHT...Variable wind 10 kt. Seas 3 ft. .FRI THROUGH SAT...SE wind 15 kt. Seas 3 ft. .SUN...S wind 20 kt. Seas 3 ft. $$ PKZ772-170045- Cape Sarichef to Nikolski Bering Side from 15 to 85 NM- 340 AM AKDT Wed Jul 16 2025 ...SMALL CRAFT ADVISORY THROUGH THURSDAY... .TODAY...S wind 25 kt. Seas 8 ft. .TONIGHT...S wind 30 kt. Seas 9 ft. Rain. .THU...SE wind 25 kt diminishing to 15 kt in the afternoon. Seas 7 ft. Rain. .THU NIGHT...Variable wind 10 kt. Seas 5 ft. .FRI THROUGH SAT...SE wind 15 kt. Seas 4 ft. .SUN...S wind 20 kt. Seas 4 ft. $$ PKZ771-170045- Unalaska Bay- 340 AM AKDT Wed Jul 16 2025 ...SMALL CRAFT ADVISORY TONIGHT... .TODAY...S wind 20 kt. Seas 3 ft. Areas of fog. .TONIGHT...S wind 25 kt. Seas 3 ft. Rain. .THU...SE wind 20 kt. Seas 3 ft. Rain. .THU NIGHT...Variable wind less than 10 kt. Seas 2 ft. .FRI THROUGH SUN...S wind 10 kt. Seas 2 ft. $$ PKZ773-170045- Cape Sarichef to Nikolski Pacific Side out to 15 NM- 340 AM AKDT Wed Jul 16 2025 ...SMALL CRAFT ADVISORY THROUGH THURSDAY... .TODAY...S wind 25 kt. Seas 9 ft. Areas of fog. .TONIGHT...S wind 25 kt. Seas 9 ft. Rain. .THU...SE wind 20 kt. Seas 9 ft. .THU NIGHT...W wind 15 kt. Seas 8 ft. .FRI THROUGH SAT...SE wind 15 kt. Seas 6 ft. .SUN...S wind 20 kt. Seas 6 ft. $$ PKZ774-170045- Cape Sarichef to Nikolski Pacific Side from 15 to 85 NM- 340 AM AKDT Wed Jul 16 2025 ...SMALL CRAFT ADVISORY THROUGH THURSDAY... .TODAY...S wind 25 kt. Seas 9 ft. Areas of fog. .TONIGHT...S wind 25 kt. Seas 9 ft. Rain. .THU...SE wind 25 kt becoming SW in the afternoon. Seas 9 ft. .THU NIGHT...W wind 15 kt. Seas 8 ft. .FRI...S wind 15 kt. Seas 7 ft. .SAT...S wind 20 kt. Seas 6 ft. .SUN...S wind 25 kt. Seas 8 ft. $$ PKZ775-170045- Nikolski to Seguam Bering Side out to 15 NM- 340 AM AKDT Wed Jul 16 2025 ...SMALL CRAFT ADVISORY THROUGH THURSDAY... .TODAY...S wind 30 kt. Seas 8 ft. Rain. .TONIGHT...S wind 25 kt. Seas 9 ft. Rain. .THU...E wind 20 kt becoming W in the afternoon. Seas 8 ft. .THU NIGHT...SW wind 15 kt. Seas 7 ft. .FRI THROUGH SUN...S wind 15 kt. Seas 5 ft. $$ PKZ776-170045- Nikolski to Seguam Bering Side from 15 to 85 NM- 340 AM AKDT Wed Jul 16 2025 ...SMALL CRAFT ADVISORY THROUGH TONIGHT... .TODAY...S wind 25 kt. Seas 7 ft. .TONIGHT...S wind 25 kt. Seas 8 ft. Rain. .THU...S wind 15 kt becoming W in the afternoon. Seas 7 ft. .THU NIGHT...SW wind 15 kt. Seas 6 ft. .FRI...S wind 20 kt. Seas 5 ft. .SAT THROUGH SUN...S wind 15 kt. Seas 4 ft. $$ PKZ777-170045- Nikolski to Seguam Pacfic Side out to 15 NM- 340 AM AKDT Wed Jul 16 2025 ...SMALL CRAFT ADVISORY THROUGH THURSDAY... .TODAY...S wind 30 kt. Seas 10 ft. Rain. .TONIGHT...S wind 25 kt. Seas 10 ft. Rain. .THU...N wind 15 kt. Seas 10 ft. .THU NIGHT...SW wind 15 kt. Seas 8 ft. .FRI THROUGH SUN...S wind 15 kt. Seas 6 ft. $$ PKZ778-170045- Nikolski to Seguam Pacific Side from 15 to 75 NM- 340 AM AKDT Wed Jul 16 2025 ...SMALL CRAFT ADVISORY THROUGH THURSDAY... .TODAY...S wind 30 kt. Seas 10 ft. Rain. .TONIGHT...SE wind 30 kt. Seas 11 ft. Rain. .THU...NW wind 15 kt. Seas 10 ft. .THU NIGHT...SW wind 15 kt. Seas 8 ft. .FRI THROUGH SAT...S wind 15 kt. Seas 7 ft. .SUN...S wind 20 kt. Seas 7 ft. $$ PKZ780-170045- Seguam to Adak Bering Side out to 15 NM- 340 AM AKDT Wed Jul 16 2025 .TODAY...S wind 20 kt. Seas 5 ft. .TONIGHT...SE wind 20 kt in the evening becoming variable 10 kt. Seas 5 ft. .THU...SW wind 15 kt. Seas 4 ft. .THU NIGHT...S wind 20 kt. Seas 3 ft. .FRI THROUGH SUN...S wind 15 kt. Seas 3 ft. $$ PKZ781-170045- Seguam to Adak Bering Side from 15 to 85 NM- 340 AM AKDT Wed Jul 16 2025 .TODAY...SE wind 20 kt. Seas 6 ft. .TONIGHT...S wind 20 kt in the evening becoming variable 10 kt. Seas 5 ft. .THU...W wind 15 kt. Seas 5 ft. .THU NIGHT...S wind 20 kt. Seas 5 ft. .FRI...S wind 20 kt. Seas 4 ft. .SAT THROUGH SUN...S wind 15 kt. Seas 4 ft. $$ PKZ782-170045- Seguam to Adak Pacific Side out to 15 NM- 340 AM AKDT Wed Jul 16 2025 ...SMALL CRAFT ADVISORY THURSDAY... .TODAY...S wind 20 kt. Seas 7 ft. .TONIGHT...E wind 20 kt in the evening becoming variable 10 kt. Seas 7 ft. .THU...SW wind 15 kt. Seas 8 ft. .THU NIGHT...S wind 15 kt. Seas 7 ft. .FRI THROUGH SUN...S wind 15 kt. Seas 6 ft. $$ PKZ783-170045- Seguam to Adak Pacific Side from 15 to 75 NM- 340 AM AKDT Wed Jul 16 2025 ...SMALL CRAFT ADVISORY THROUGH THURSDAY... .TODAY...SE wind 30 kt. Seas 8 ft. Rain. .TONIGHT...E wind 25 kt becoming NW 15 kt after midnight. Seas 9 ft. .THU...W wind 15 kt. Seas 8 ft. .THU NIGHT...SW wind 20 kt. Seas 8 ft. .FRI THROUGH SUN...S wind 15 kt. Seas 6 ft. $$ PKZ784-170045- Adak to Kiska Bering Side- 340 AM AKDT Wed Jul 16 2025 .TODAY...S wind 15 kt. Seas 6 ft. .TONIGHT...W wind 15 kt. Seas 5 ft. .THU...SW wind 20 kt. Seas 5 ft. .THU NIGHT...S wind 20 kt. Seas 5 ft. .FRI THROUGH SUN...SW wind 15 kt. Seas 4 ft. $$ PKZ785-170045- Adak to Kiska Pacific Side- 340 AM AKDT Wed Jul 16 2025 ...SMALL CRAFT ADVISORY THURSDAY... .TODAY...Variable wind 10 kt. Seas 6 ft. .TONIGHT...NW wind 15 kt. Seas 6 ft. .THU...SW wind 15 kt. Seas 8 ft. .THU NIGHT...S wind 20 kt. Seas 7 ft. .FRI THROUGH SUN...SW wind 15 kt. Seas 6 ft. $$ PKZ786-170045- Kiska to Attu Bering Side- 340 AM AKDT Wed Jul 16 2025 .TODAY...SW wind 20 kt. Seas 6 ft. .TONIGHT...SW wind 20 kt. Seas 7 ft. .THU...SW wind 15 kt. Seas 7 ft. .THU NIGHT...W wind 15 kt. Seas 6 ft. .FRI THROUGH SAT...W wind 15 kt. Seas 6 ft. .SUN...W wind 20 kt. Seas 5 ft. $$ PKZ787-170045- Kiska to Attu Pacific Side- 340 AM AKDT Wed Jul 16 2025 .TODAY...Variable wind 10 kt becoming W 20 kt in the afternoon. Seas 6 ft. .TONIGHT...SW wind 20 kt. Seas 6 ft. .THU...SW wind 15 kt. Seas 6 ft. .THU NIGHT...W wind 15 kt. Seas 6 ft. .FRI THROUGH SUN...W wind 20 kt. Seas 7 ft. $$ PKZ766-170045- Pribilof Islands Nearshore Waters- 340 AM AKDT Wed Jul 16 2025 ...SMALL CRAFT ADVISORY TODAY... .TODAY...S wind 25 kt. Seas 10 ft. .TONIGHT...SE wind 20 kt. Seas 7 ft. .THU...SE wind 20 kt. Seas 6 ft. Rain. .THU NIGHT...Variable wind 10 kt. Seas 6 ft. .FRI...S wind 15 kt. Seas 5 ft. .SAT...Variable wind 10 kt. Seas 4 ft. .SUN...SE wind 15 kt. Seas 4 ft. $$ PKZ760-170045- Bristol Bay greater than 15 NM- 340 AM AKDT Wed Jul 16 2025 ...SMALL CRAFT ADVISORY THROUGH TONIGHT... .TODAY...SW wind 20 kt becoming W 30 kt in the afternoon. Seas 4 ft building to 8 ft in the afternoon. Areas of fog. Rain. .TONIGHT...SW wind 25 kt becoming S 10 kt after midnight. Seas 7 ft subsiding to 4 ft after midnight. .THU...SE wind 15 kt. Seas 4 ft. .THU NIGHT...E wind 20 kt. Seas 5 ft. .FRI...S wind 10 kt. Seas 4 ft. .SAT THROUGH SUN...SE wind 15 kt. Seas 3 ft. $$ PKZ761-170045- Bristol Bay from Port Heiden to Cape Chichagof out to 15 NM- 340 AM AKDT Wed Jul 16 2025 ...SMALL CRAFT ADVISORY THROUGH TONIGHT... .TODAY...W wind 30 kt. Seas 4 ft building to 7 ft in the afternoon. Areas of fog. Rain. .TONIGHT...SW wind 25 kt becoming S 10 kt after midnight. Seas 6 ft subsiding to 3 ft after midnight. .THU...SE wind 20 kt. Seas 3 ft. .THU NIGHT...E wind 20 kt. Seas 3 ft. .FRI...S wind 15 kt. Seas 3 ft. .SAT THROUGH SUN...SE wind 15 kt. Seas 2 ft. $$ PKZ762-170045- Bristol Bay from Cape Chichagof to Cape Pierce out to 15 NM- 340 AM AKDT Wed Jul 16 2025 ...SMALL CRAFT ADVISORY THROUGH TONIGHT... .TODAY...E wind 15 kt becoming W 25 kt in the afternoon. Seas 2 ft building to 5 ft in the afternoon. Rain showers. .TONIGHT...SW wind 25 kt diminishing to 15 kt after midnight. Seas 6 ft subsiding to 3 ft after midnight. .THU...SE wind 15 kt. Seas 3 ft. .THU NIGHT...E wind 20 kt. Seas 4 ft. .FRI...SE wind 10 kt. Seas 3 ft. .SAT THROUGH SUN...SE wind 15 kt. Seas 1 foot. $$ PKZ763-170045- Kuskokwim Delta and Etolin Strait out to 15 NM- 340 AM AKDT Wed Jul 16 2025 .TODAY...NE wind 15 kt becoming W in the afternoon. Seas 3 ft. .TONIGHT...SW wind 15 kt. Seas 3 ft. .THU...SE wind 15 kt. Seas 3 ft. .THU NIGHT...SE wind 15 kt. Seas 3 ft. .FRI THROUGH SAT...SE wind 15 kt. Seas 2 ft. .SUN...SE wind 20 kt. Seas 2 ft. $$ PKZ764-170045- Kuskokwim Delta from 15 to 80 NM- 340 AM AKDT Wed Jul 16 2025 .TODAY...SW wind 20 kt. Seas 6 ft. Areas of fog. .TONIGHT...S wind 15 kt. Seas 5 ft. .THU...SE wind 20 kt. Seas 6 ft. .THU NIGHT...SE wind 15 kt. Seas 6 ft. .FRI THROUGH SAT...SE wind 15 kt. Seas 5 ft. .SUN...SE wind 20 kt. Seas 4 ft. $$ PKZ765-170045- North and West of Nunivak Island- 340 AM AKDT Wed Jul 16 2025 ...SMALL CRAFT ADVISORY TODAY... .TODAY...SE wind 25 kt. Seas 8 ft. .TONIGHT...SE wind 20 kt. Seas 6 ft. .THU...SE wind 20 kt. Seas 5 ft. .THU NIGHT...SE wind 15 kt. Seas 5 ft. .FRI THROUGH SUN...SE wind 15 kt. Seas 5 ft. $$ PKZ767-170045- Saint Matthew Island Waters- 340 AM AKDT Wed Jul 16 2025 ...SMALL CRAFT ADVISORY THROUGH TONIGHT... .TODAY...SE wind 30 kt. Seas 13 ft. .TONIGHT...SE wind 25 kt. Seas 9 ft. .THU...E wind 20 kt. Seas 7 ft. .THU NIGHT...SE wind 20 kt. Seas 6 ft. .FRI THROUGH SUN...E wind 15 kt. Seas 5 ft. $$