Alert archive / Alaska / Small Craft Advisories in 2021
Small Craft Advisory 338, NWS Anchorage, AK
NWS Anchorage, AK issued this small craft advisory at Apr 25, 2021, 3:15 AM AKDT. It was in force for 48 hr.
The area
The counties it named.
The facts
- Issued
- Apr 25, 2021, 3:15 AM AKDT (11:15 UTC)
- Expired
- Apr 27, 2021, 3:15 AM AKDT
- In force
- 48 hr
- Issued by
- NWS Anchorage, AK
The text
As transmitted.
071 FZAK52 PAFC 251115 CWFALU Coastal Waters Forecast National Weather Service Anchorage Alaska 315 AM AKDT Sun Apr 25 2021 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. PKZ199-260000- 315 AM AKDT Sun Apr 25 2021 .SYNOPSIS FOR SOUTHWEST ALASKA+BRISTOL BAY+THE ALASKA PENINSULA WATERS AND THE ALEUTIAN ISLANDS... Semisopochnoi Volcano, 140 nm West of Adak is currently active. A 993 mb low 65 nm southwest of Dutch Harbor merges with a 987 mb low 100 nm south of Chignik for Mon morning. Its front moves over and south of the Alaska Peninsula through Mon afternoon. High pressure enters the western Bering Sun night. $$ PKZ150-260000- South of the AK Peninsula Sitkinak to Castle Cape- 315 AM AKDT Sun Apr 25 2021 ...GALE WARNING TONIGHT... .TODAY...SE wind 30 kt. Seas 10 ft. Rain. .TONIGHT...E wind 35 kt. Seas 11 ft. Rain. .MON...SE wind 30 kt. Seas 10 ft. Rain. .MON NIGHT...NE wind 25 kt. Seas 8 ft. .TUE...NE wind 25 kt. Seas 8 ft. .WED...NE wind 20 kt. Seas 7 ft. .THU...Variable wind 10 kt. Seas 7 ft. $$ PKZ155-260000- South of the AK Peninsula Castle Cape to Cape Sarichef- 315 AM AKDT Sun Apr 25 2021 ...SMALL CRAFT ADVISORY THROUGH TONIGHT... .TODAY...S wind 20 kt. Seas 11 ft. Rain. .TONIGHT...SE wind 15 kt becoming N after midnight. Seas 8 ft. .MON...Variable wind 10 kt. Seas 7 ft. .MON NIGHT...NE wind 20 kt. Seas 7 ft. .TUE...N wind 25 kt. Seas 8 ft. .WED...N wind 20 kt. Seas 6 ft. .THU...Variable wind 10 kt. Seas 7 ft. $$ PKZ160-260000- Bristol Bay- 315 AM AKDT Sun Apr 25 2021 ...SMALL CRAFT ADVISORY THROUGH MONDAY... .TODAY...E wind 30 kt. Seas 6 ft. Rain showers. .TONIGHT...E wind 30 kt. Seas 5 ft. Rain. .MON...NE wind 25 kt. Seas 4 ft. .MON NIGHT...NE wind 20 kt. Seas 3 ft. .TUE...N wind 15 kt. Seas 1 foot. .WED...N wind 10 kt. Seas 2 ft. .THU...W wind 15 kt. Seas 3 ft. $$ PKZ165-260000- Port Heiden to Cape Sarichef- 315 AM AKDT Sun Apr 25 2021 ...SMALL CRAFT ADVISORY TODAY AND MONDAY... .TODAY...E wind 25 kt. Seas 6 ft. .TONIGHT...E wind 15 kt except E 20 kt from Port Moller E. Seas 5 ft. Rain. .MON...NE wind 25 kt. Seas 6 ft. .MON NIGHT...NE wind 25 kt. Seas 7 ft. .TUE...N wind 20 kt. Seas 7 ft. .WED THROUGH THU...N wind 15 kt. Seas 4 ft. $$ PKZ170-260000- Cape Sarichef to Nikolski Bering Side- 315 AM AKDT Sun Apr 25 2021 ...SMALL CRAFT ADVISORY TONIGHT AND MONDAY... .TODAY...Variable wind 10 kt. Seas 5 ft. .TONIGHT...N wind 20 kt increasing to 30 kt after midnight. Seas 7 ft. Rain. .MON...N wind 30 kt. Seas 12 ft. Rain. .MON NIGHT...N wind 30 kt. Seas 12 ft. .TUE...N wind 30 kt. Seas 11 ft. .WED THROUGH THU...NE wind 15 kt. Seas 5 ft. $$ PKZ171-260000- Unalaska Bay- 315 AM AKDT Sun Apr 25 2021 .TODAY...Variable wind less than 10 kt. Seas 3 ft. Rain. .TONIGHT...Variable wind less than 10 kt becoming NW 15 kt after midnight. Seas 3 ft. Rain. .MON...NW wind 20 kt. Seas 7 ft. Rain. .MON NIGHT...N wind 25 kt. Seas 10 ft. .TUE...N wind 20 kt. Seas 7 ft. .WED...N wind 10 kt. Seas 3 ft. .THU...Variable wind less than 10 kt. Seas 3 ft. $$ PKZ172-260000- Cape Sarichef to Nikolski Pacific Side- 315 AM AKDT Sun Apr 25 2021 ...SMALL CRAFT ADVISORY TODAY AND MONDAY... .TODAY...S wind 15 kt. Seas 9 ft. .TONIGHT...Variable wind 10 kt becoming N 20 kt after midnight. Seas 7 ft. .MON...N wind 25 kt. Seas 7 ft. .MON NIGHT...N wind 30 kt. Seas 7 ft. .TUE...N wind 25 kt. Seas 7 ft. .WED...N wind 15 kt. Seas 5 ft. .THU...NE wind 15 kt. Seas 8 ft. $$ PKZ173-260000- Nikolski to Seguam Island Bering Side- 315 AM AKDT Sun Apr 25 2021 ...GALE WARNING MONDAY... .TODAY...N wind 20 kt. Seas 7 ft. .TONIGHT...N wind 30 kt. Seas 11 ft. .MON...N wind 35 kt. Seas 14 ft. .MON NIGHT...N wind 35 kt. Seas 14 ft. .TUE...N wind 30 kt. Seas 12 ft. .WED THROUGH THU...NE wind 15 kt. Seas 5 ft. $$ PKZ174-260000- Nikolski to Seguam Island Pacific Side- 315 AM AKDT Sun Apr 25 2021 ...GALE WARNING MONDAY... .TODAY...NW wind 20 kt. Seas 7 ft. .TONIGHT...N wind 30 kt. Seas 10 ft. .MON...N wind 35 kt. Seas 15 ft. .MON NIGHT...N wind 35 kt. Seas 15 ft. .TUE...N wind 30 kt. Seas 12 ft. .WED THROUGH THU...E wind 15 kt. Seas 9 ft. $$ PKZ175-260000- Seguam Island to Adak Bering Side- 315 AM AKDT Sun Apr 25 2021 ...GALE WARNING MONDAY... .TODAY...N wind 30 kt. Seas 9 ft. Rain showers. .TONIGHT...N wind 30 kt. Seas 12 ft. .MON...NW wind 35 kt. Seas 12 ft. .MON NIGHT...N wind 35 kt. Seas 13 ft. .TUE...NE wind 25 kt. Seas 10 ft. .WED THROUGH THU...NE wind 20 kt. Seas 6 ft. $$ PKZ176-260000- Seguam Island to Adak Pacific Side- 315 AM AKDT Sun Apr 25 2021 ...GALE WARNING TONIGHT AND MONDAY... .TODAY...NW wind 30 kt. Seas 8 ft. .TONIGHT...NW wind 35 kt. Seas 11 ft. Rain showers. .MON...N wind 35 kt. Seas 11 ft. .MON NIGHT...N wind 35 kt. Seas 11 ft. .TUE...NE wind 25 kt. Seas 9 ft. .WED THROUGH THU...NE wind 20 kt. Seas 13 ft. $$ PKZ177-260000- Adak to Kiska- 315 AM AKDT Sun Apr 25 2021 ...SMALL CRAFT ADVISORY THROUGH MONDAY... .TODAY...NW wind 30 kt. Seas 8 ft. .TONIGHT...NW wind 30 kt. Seas 10 ft. .MON...NW wind 25 kt. Seas 9 ft. .MON NIGHT...N wind 20 kt. Seas 7 ft. .TUE...E wind 30 kt. Seas 8 ft. .WED...NE wind 30 kt. Seas 16 ft. .THU...NE wind 25 kt. Seas 12 ft. $$ PKZ178-260000- Kiska to Attu- 315 AM AKDT Sun Apr 25 2021 .TODAY...NW wind 20 kt. Seas 5 ft. Patchy fog. .TONIGHT...NW wind 20 kt. Seas 5 ft. Patchy fog. .MON...W wind 15 kt. Seas 5 ft. Patchy fog. .MON NIGHT...SE wind 20 kt. Seas 5 ft. .TUE...E wind 35 kt. Seas 19 ft. .WED...NE wind 35 kt. Seas 20 ft. .THU...N wind 25 kt. Seas 13 ft. $$ PKZ179-260000- Pribilof Islands Near Shore Waters- 315 AM AKDT Sun Apr 25 2021 ...SMALL CRAFT ADVISORY THROUGH MONDAY... .TODAY...NE wind 25 kt. Seas 8 ft. .TONIGHT...N wind 30 kt. Seas 9 ft. .MON...N wind 30 kt. Seas 10 ft. .MON NIGHT...N wind 30 kt. Seas 10 ft. .TUE...N wind 25 kt. Seas 7 ft. .WED...N wind 20 kt. Seas 4 ft. .THU...NE wind 15 kt. Seas 5 ft. $$ PKZ180-260000- Kuskokwim Delta and Etolin Strait- 315 AM AKDT Sun Apr 25 2021 ...SMALL CRAFT ADVISORY THROUGH MONDAY... .TODAY...E wind 30 kt. Seas in ice free waters 8 ft. Rain. .TONIGHT...NE wind 25 kt. Seas in ice free waters 6 ft. Rain. .MON...NE wind 25 kt. Seas in ice free waters 5 ft. .MON NIGHT...N wind 25 kt. Seas in ice free waters 5 ft. .TUE THROUGH WED...NW wind 20 kt. Seas in ice free waters 3 ft. .THU...NW wind 15 kt. Seas in ice free waters 4 ft. $$ PKZ181-260000- North and West of Nunivak Island- 315 AM AKDT Sun Apr 25 2021 ...SMALL CRAFT ADVISORY THROUGH MONDAY... .TODAY...NE wind 25 kt. Seas in ice free waters 6 ft. .TONIGHT...N wind 25 kt. Seas in ice free waters 6 ft. .MON...N wind 25 kt. Seas in ice free waters 7 ft. .MON NIGHT...N wind 25 kt. Seas in ice free waters 5 ft. .TUE THROUGH WED...NW wind 20 kt. Seas in ice free waters 3 ft. .THU...W wind 15 kt. Seas in ice free waters 2 ft. $$ PKZ185-260000- Saint Matthew Island Waters- 315 AM AKDT Sun Apr 25 2021 ...SMALL CRAFT ADVISORY THROUGH MONDAY... .TODAY...N wind 25 kt. Seas in ice free waters 5 ft. .TONIGHT...N wind 25 kt. Seas in ice free waters 5 ft. .MON...NW wind 25 kt. Seas in ice free waters 5 ft. .MON NIGHT...NW wind 25 kt. Seas in ice free waters 4 ft. .TUE...NW wind 20 kt. Seas in ice free waters 3 ft. .WED THROUGH THU...W wind 15 kt. Seas in ice free waters 6 ft. $$
4 follow-up statements
654 FZAK52 PAFC 252338 CWFALU Coastal Waters Forecast National Weather Service Anchorage Alaska 338 PM AKDT Sun Apr 25 2021 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. PKZ199-261300- 338 PM AKDT Sun Apr 25 2021 .SYNOPSIS FOR SOUTHWEST ALASKA+BRISTOL BAY+THE ALASKA PENINSULA WATERS AND THE ALEUTIAN ISLANDS... Semisopochnoi Volcano, 140 nm West of Adak is currently active. A 990 mb low 105 nm southwest of Dutch Harbor merges with a 983 mb North Pacific low Mon morning then merges with another North Pacific low to form a 980 mb low Tue morning. The low continues moving south. Its front moves south of the Alaska Peninsula through Tue afternoon. $$ PKZ150-261300- South of the AK Peninsula Sitkinak to Castle Cape- 338 PM AKDT Sun Apr 25 2021 ...GALE WARNING THROUGH MONDAY... .TONIGHT...E wind 40 kt. Seas 13 ft. Rain. .MON...SE wind 35 kt diminishing to 25 kt in the afternoon. Seas 12 ft. .MON NIGHT...E wind 25 kt. Seas 8 ft. .TUE AND TUE NIGHT...NE wind 25 kt. Seas 9 ft. .WED...NE wind 20 kt. Seas 7 ft. .THU...Variable wind 10 kt. Seas 7 ft. .FRI...SW wind 15 kt. Seas 7 ft. $$ PKZ155-261300- South of the AK Peninsula Castle Cape to Cape Sarichef- 338 PM AKDT Sun Apr 25 2021 ...SMALL CRAFT ADVISORY THROUGH MONDAY... .TONIGHT...E wind 15 kt except N 25 kt from the Shumagin Islands E. Seas 8 ft. .MON...NW wind 20 kt in the morning becoming variable 10 kt. Seas 8 ft. .MON NIGHT...NE wind 20 kt. Seas 7 ft. .TUE...NE wind 25 kt. Seas 8 ft. .TUE NIGHT...NE wind 20 kt. Seas 7 ft. .WED...N wind 20 kt. Seas 7 ft. .THU...Variable wind 10 kt. Seas 7 ft. .FRI...SE wind 15 kt. Seas 8 ft. $$ PKZ160-261300- Bristol Bay- 338 PM AKDT Sun Apr 25 2021 ...GALE WARNING TONIGHT... .TONIGHT...E wind 35 kt. Seas 6 ft. Rain. .MON...NE wind 30 kt. Seas 5 ft. .MON NIGHT...E wind 25 kt. Seas 3 ft. .TUE...NE wind 15 kt. Seas 2 ft. .TUE NIGHT...NW wind 10 kt. Seas 1 foot. .WED...W wind 10 kt. Seas 2 ft. .THU...W wind 15 kt. Seas 3 ft. .FRI...E wind 15 kt. Seas 2 ft. $$ PKZ165-261300- Port Heiden to Cape Sarichef- 338 PM AKDT Sun Apr 25 2021 ...SMALL CRAFT ADVISORY THROUGH MONDAY NIGHT... .TONIGHT...E wind 15 kt except E 25 kt from Port Moller E. Seas 5 ft. Rain. .MON...N wind 25 kt except NE 30 kt from Port Moller E. Seas 8 ft. Rain. .MON NIGHT...NE wind 30 kt. Seas 9 ft. .TUE...N wind 20 kt. Seas 7 ft. .TUE NIGHT...N wind 15 kt. Seas 5 ft. .WED THROUGH THU...N wind 15 kt. Seas 4 ft. .FRI...E wind 15 kt. Seas 4 ft. $$ PKZ170-261300- Cape Sarichef to Nikolski Bering Side- 338 PM AKDT Sun Apr 25 2021 ...GALE WARNING MONDAY AND MONDAY NIGHT... .TONIGHT...NE wind 20 kt becoming N 30 kt after midnight. Seas 6 ft. Rain. .MON...N wind 35 kt. Seas 14 ft. Rain. .MON NIGHT...N wind 35 kt. Seas 13 ft. .TUE...N wind 30 kt. Seas 12 ft. .TUE NIGHT...NE wind 20 kt. Seas 7 ft. .WED THROUGH FRI...E wind 15 kt. Seas 5 ft. $$ PKZ171-261300- Unalaska Bay- 338 PM AKDT Sun Apr 25 2021 ...SMALL CRAFT ADVISORY MONDAY NIGHT... .TONIGHT...Variable wind less than 10 kt becoming N 15 kt after midnight. Seas 3 ft. Rain. .MON...NW wind 20 kt. Seas 7 ft. Rain. .MON NIGHT...N wind 25 kt. Seas 10 ft. Rain. .TUE AND TUE NIGHT...N wind 15 kt. Seas 5 ft. .WED...N wind 10 kt. Seas 3 ft. .THU...Variable wind less than 10 kt. Seas 3 ft. .FRI...E wind 10 kt. Seas 2 ft. $$ PKZ172-261300- Cape Sarichef to Nikolski Pacific Side- 338 PM AKDT Sun Apr 25 2021 ...SMALL CRAFT ADVISORY MONDAY AND MONDAY NIGHT... .TONIGHT...Variable wind 10 kt becoming N 20 kt after midnight. Seas 7 ft. .MON...N wind 30 kt. Seas 7 ft. .MON NIGHT...N wind 30 kt. Seas 8 ft. .TUE...N wind 25 kt. Seas 7 ft. .TUE NIGHT...N wind 20 kt. Seas 5 ft. .WED THROUGH FRI...E wind 15 kt. Seas 7 ft. $$ PKZ173-261300- Nikolski to Seguam Island Bering Side- 338 PM AKDT Sun Apr 25 2021 ...GALE WARNING MONDAY AND MONDAY NIGHT... .TONIGHT...N wind 30 kt. Seas 12 ft. .MON...N wind 35 kt. Seas 15 ft. .MON NIGHT...N wind 35 kt. Seas 15 ft. .TUE...N wind 30 kt. Seas 13 ft. .TUE NIGHT...NE wind 20 kt. Seas 8 ft. .WED...NE wind 20 kt. Seas 5 ft. .THU...NE wind 15 kt. Seas 5 ft. .FRI...NE wind 20 kt. Seas 5 ft. $$ PKZ174-261300- Nikolski to Seguam Island Pacific Side- 338 PM AKDT Sun Apr 25 2021 ...GALE WARNING MONDAY AND MONDAY NIGHT... .TONIGHT...N wind 30 kt. Seas 10 ft. .MON...N wind 40 kt. Seas 16 ft. .MON NIGHT...N wind 40 kt. Seas 16 ft. .TUE...N wind 30 kt. Seas 12 ft. .TUE NIGHT...N wind 20 kt. Seas 8 ft. .WED THROUGH THU...E wind 15 kt. Seas 9 ft. .FRI...NE wind 20 kt. Seas 9 ft. $$ PKZ175-261300- Seguam Island to Adak Bering Side- 338 PM AKDT Sun Apr 25 2021 ...GALE WARNING THROUGH MONDAY NIGHT... .TONIGHT...N wind 35 kt. Seas 12 ft. .MON...N wind 35 kt. Seas 13 ft. .MON NIGHT...N wind 35 kt. Seas 12 ft. .TUE...NE wind 25 kt. Seas 10 ft. .TUE NIGHT...NE wind 15 kt. Seas 6 ft. .WED THROUGH THU...NE wind 20 kt. Seas 7 ft. .FRI...N wind 20 kt. Seas 5 ft. $$ PKZ176-261300- Seguam Island to Adak Pacific Side- 338 PM AKDT Sun Apr 25 2021 ...GALE WARNING THROUGH MONDAY NIGHT... .TONIGHT...N wind 35 kt. Seas 12 ft. .MON...N wind 35 kt. Seas 12 ft. .MON NIGHT...N wind 35 kt. Seas 11 ft. .TUE...N wind 25 kt. Seas 9 ft. .TUE NIGHT...NE wind 15 kt. Seas 6 ft. .WED THROUGH THU...NE wind 20 kt. Seas 13 ft. .FRI...N wind 20 kt. Seas 8 ft. $$ PKZ177-261300- Adak to Kiska- 338 PM AKDT Sun Apr 25 2021 ...GALE WARNING TONIGHT... .TONIGHT...N wind 35 kt. Seas 10 ft. .MON...N wind 30 kt. Seas 10 ft. .MON NIGHT...N wind 20 kt. Seas 7 ft. .TUE...E wind 25 kt. Seas 6 ft. .TUE NIGHT...SE wind 30 kt. Seas 11 ft. .WED...E wind 30 kt. Seas 16 ft. .THU...NE wind 25 kt. Seas 12 ft. .FRI...NW wind 25 kt. Seas 9 ft. $$ PKZ178-261300- Kiska to Attu- 338 PM AKDT Sun Apr 25 2021 ...SMALL CRAFT ADVISORY MONDAY NIGHT... .TONIGHT...NW wind 20 kt. Seas 5 ft. .MON...Variable wind 15 kt. Seas 5 ft. .MON NIGHT...SE wind 15 kt increasing to 25 kt after midnight. Seas 6 ft. .TUE...SE wind 40 kt. Seas 11 ft. .TUE NIGHT...E wind 35 kt. Seas 21 ft. .WED...E wind 35 kt. Seas 20 ft. .THU...N wind 25 kt. Seas 13 ft. .FRI...NW wind 25 kt. Seas 9 ft. $$ PKZ179-261300- Pribilof Islands Near Shore Waters- 338 PM AKDT Sun Apr 25 2021 ...GALE WARNING MONDAY... .TONIGHT...N wind 30 kt. Seas 9 ft. .MON...N wind 35 kt. Seas 10 ft. .MON NIGHT...N wind 30 kt. Seas 10 ft. .TUE...N wind 25 kt. Seas 8 ft. .TUE NIGHT...N wind 20 kt. Seas 5 ft. .WED...N wind 20 kt. Seas 4 ft. .THU THROUGH FRI...NE wind 15 kt. Seas 5 ft. $$ PKZ180-261300- Kuskokwim Delta and Etolin Strait- 338 PM AKDT Sun Apr 25 2021 ...SMALL CRAFT ADVISORY THROUGH MONDAY NIGHT... .TONIGHT...NE wind 25 kt. Seas in ice free waters 6 ft. Rain. .MON...N wind 30 kt. Seas in ice free waters 6 ft. .MON NIGHT...N wind 25 kt. Seas in ice free waters 5 ft. .TUE AND TUE NIGHT...NW wind 20 kt. Seas in ice free waters 4 ft. .WED...NW wind 20 kt. Seas in ice free waters 3 ft. .THU...NW wind 15 kt. Seas in ice free waters 4 ft. .FRI...E wind 10 kt. Seas in ice free waters 2 ft. $$ PKZ181-261300- North and West of Nunivak Island- 338 PM AKDT Sun Apr 25 2021 ...SMALL CRAFT ADVISORY THROUGH MONDAY NIGHT... .TONIGHT...N wind 25 kt. Seas in ice free waters 2 ft. .MON...N wind 25 kt. Seas in ice free waters 2 ft. .MON NIGHT...N wind 25 kt. Seas in ice free waters 2 ft. .TUE...N wind 20 kt. Seas in ice free waters 2 ft. .TUE NIGHT...NW wind 15 kt. Seas in ice free waters 2 ft. .WED...NW wind 20 kt. Seas in ice free waters 2 ft. .THU...W wind 15 kt. Seas in ice free waters 2 ft. .FRI...Variable wind 10 kt. Seas in ice free waters 2 ft. $$ PKZ185-261300- Saint Matthew Island Waters- 338 PM AKDT Sun Apr 25 2021 ...SMALL CRAFT ADVISORY THROUGH MONDAY NIGHT... .TONIGHT...N wind 25 kt. Seas in ice free waters 5 ft. .MON...NW wind 25 kt. Seas in ice free waters 5 ft. .MON NIGHT...NW wind 25 kt. Seas in ice free waters 4 ft. .TUE...W wind 20 kt. Seas in ice free waters 3 ft. .TUE NIGHT...NW wind 15 kt. Seas in ice free waters 3 ft. .WED...N wind 20 kt. Seas in ice free waters 5 ft. .THU...W wind 15 kt. Seas in ice free waters 6 ft. .FRI...NW wind 15 kt. Seas in ice free waters 3 ft. $$
946 FZAK52 PAFC 261156 CWFALU Coastal Waters Forecast National Weather Service Anchorage Alaska 356 AM AKDT Mon Apr 26 2021 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. PKZ199-270100- 356 AM AKDT Mon Apr 26 2021 .SYNOPSIS FOR SOUTHWEST ALASKA+BRISTOL BAY+THE ALASKA PENINSULA WATERS AND THE ALEUTIAN ISLANDS... Semisopochnoi Volcano, 140 nm West of Adak is currently active. A front off a North Pacific low lingers in the eastern Bering through Tue. A 977 mb low moves to 390 nm southwest of Shemya on Wed afternoon. Its front enters the western Bering Tue afternoon. $$ PKZ150-270100- South of the AK Peninsula Sitkinak to Castle Cape- 356 AM AKDT Mon Apr 26 2021 ...GALE WARNING TODAY... .TODAY...SE wind 35 kt diminishing to 25 kt in the afternoon. Seas 13 ft. .TONIGHT...NE wind 25 kt. Seas 8 ft. .TUE...NE wind 25 kt. Seas 9 ft. .TUE NIGHT...NE wind 25 kt. Seas 9 ft. .WED...NE wind 20 kt. Seas 7 ft. .THU...NW wind 15 kt. Seas 5 ft. .FRI...W wind 15 kt. Seas 6 ft. $$ PKZ155-270100- South of the AK Peninsula Castle Cape to Cape Sarichef- 356 AM AKDT Mon Apr 26 2021 ...SMALL CRAFT ADVISORY TODAY AND TUESDAY... .TODAY...NW wind 15 kt. Seas 10 ft. .TONIGHT...NE wind 20 kt. Seas 7 ft. .TUE...NE wind 25 kt. Seas 9 ft. .TUE NIGHT...NE wind 25 kt. Seas 8 ft. .WED...N wind 20 kt. Seas 7 ft. .THU THROUGH FRI...Variable wind 10 kt. Seas 7 ft. $$ PKZ160-270100- Bristol Bay- 356 AM AKDT Mon Apr 26 2021 ...SMALL CRAFT ADVISORY TODAY... .TODAY...NE wind 30 kt. Seas 7 ft. .TONIGHT...NE wind 20 kt. Seas 4 ft. .TUE...NE wind 15 kt. Seas 2 ft. .TUE NIGHT...N wind 15 kt. Seas 2 foot. .WED...NW wind 10 kt. Seas 2 ft. .THU THROUGH FRI...NW wind 15 kt. Seas 2 ft. $$ PKZ165-270100- Port Heiden to Cape Sarichef- 356 AM AKDT Mon Apr 26 2021 ...SMALL CRAFT ADVISORY THROUGH TONIGHT... .TODAY...NE wind 30 kt. Seas 12 ft. Rain. .TONIGHT...NE wind 30 kt diminishing to 20 kt after midnight. Seas 11 ft. .TUE...N wind 20 kt. Seas 6 ft. .TUE NIGHT...N wind 20 kt. Seas 5 ft. .WED THROUGH FRI...N wind 15 kt. Seas 5 ft. $$ PKZ170-270100- Cape Sarichef to Nikolski Bering Side- 356 AM AKDT Mon Apr 26 2021 ...GALE WARNING THROUGH TONIGHT... .TODAY...N wind 35 kt. Seas 13 ft. Rain. .TONIGHT...N wind 35 kt. Seas 13 ft. .TUE...N wind 30 kt diminishing to 20 kt in the afternoon. Seas 11 ft. .TUE NIGHT...N wind 20 kt. Seas 7 ft. .WED THROUGH FRI...NE wind 15 kt. Seas 6 ft. $$ PKZ171-270100- Unalaska Bay- 356 AM AKDT Mon Apr 26 2021 ...SMALL CRAFT ADVISORY THROUGH TONIGHT... .TODAY...N wind 25 kt. Seas 5 ft building to 10 ft in the afternoon. Rain. .TONIGHT...N wind 25 kt. Seas 10 ft. Rain. .TUE...N wind 15 kt. Seas 5 ft. .TUE NIGHT...N wind 15 kt. Seas 5 ft. .WED THROUGH FRI...E wind 10 kt. Seas 3 ft. $$ PKZ172-270100- Cape Sarichef to Nikolski Pacific Side- 356 AM AKDT Mon Apr 26 2021 ...GALE WARNING TONIGHT... .TODAY...N wind 30 kt. Seas 7 ft. .TONIGHT...N wind 35 kt diminishing to 25 kt after midnight. Seas 9 ft. .TUE...N wind 25 kt. Seas 7 ft. .TUE NIGHT...N wind 20 kt. Seas 6 ft. .WED...N wind 15 kt. Seas 7 ft. .THU...Variable wind 10 kt. Seas 8 ft. .FRI...E wind 15 kt. Seas 8 ft. $$ PKZ173-270100- Nikolski to Seguam Island Bering Side- 356 AM AKDT Mon Apr 26 2021 ...GALE WARNING THROUGH TONIGHT... .TODAY...N wind 35 kt. Seas 15 ft. .TONIGHT...N wind 35 kt. Seas 14 ft. .TUE...N wind 30 kt diminishing to 20 kt in the afternoon. Seas 13 ft. .TUE NIGHT...NE wind 20 kt. Seas 7 ft. .WED THROUGH FRI...NE wind 15 kt. Seas 6 ft. $$ PKZ174-270100- Nikolski to Seguam Island Pacific Side- 356 AM AKDT Mon Apr 26 2021 ...GALE WARNING THROUGH TONIGHT... .TODAY...N wind 40 kt. Seas 16 ft. .TONIGHT...N wind 35 kt. Seas 15 ft. .TUE...N wind 30 kt. Seas 12 ft. .TUE NIGHT...N wind 20 kt. Seas 7 ft. .WED...Variable wind 10 kt. Seas 10 ft. .THU THROUGH FRI...E wind 15 kt. Seas 9 ft. $$ PKZ175-270100- Seguam Island to Adak Bering Side- 356 AM AKDT Mon Apr 26 2021 ...GALE WARNING TODAY... .TODAY...N wind 35 kt. Seas 14 ft. .TONIGHT...N wind 30 kt. Seas 13 ft. .TUE...N wind 25 kt. Seas 10 ft. .TUE NIGHT...NE wind 15 kt. Seas 7 ft. .WED THROUGH FRI...NE wind 20 kt. Seas 7 ft. $$ PKZ176-270100- Seguam Island to Adak Pacific Side- 356 AM AKDT Mon Apr 26 2021 ...GALE WARNING THROUGH TONIGHT... .TODAY...N wind 35 kt. Seas 13 ft. .TONIGHT...N wind 35 kt. Seas 11 ft. .TUE...N wind 25 kt. Seas 9 ft. .TUE NIGHT...NE wind 15 kt. Seas 6 ft. .WED THROUGH THU...E wind 20 kt. Seas 13 ft. .FRI...NE wind 15 kt. Seas 8 ft. $$ PKZ177-270100- Adak to Kiska- 356 AM AKDT Mon Apr 26 2021 ...SMALL CRAFT ADVISORY TODAY... .TODAY...N wind 30 kt diminishing to 20 kt in the afternoon. Seas 10 ft. .TONIGHT...N wind 20 kt. Seas 7 ft. .TUE...E wind 20 kt. Seas 6 ft. .TUE NIGHT...E wind 25 kt. Seas 11 ft. .WED THROUGH THU...NE wind 25 kt. Seas 15 ft. .FRI...N wind 20 kt. Seas 8 ft. $$ PKZ178-270100- Kiska to Attu- 356 AM AKDT Mon Apr 26 2021 ...GALE WARNING TUESDAY... .TODAY...W wind 15 kt becoming variable 10 kt in the afternoon. Seas 5 ft. .TONIGHT...SE wind 15 kt increasing to 25 kt after midnight. Seas 6 ft. .TUE...SE wind 35 kt. Seas 12 ft. .TUE NIGHT...E wind 35 kt. Seas 20 ft. .WED...E wind 30 kt. Seas 19 ft. .THU...NE wind 30 kt. Seas 13 ft. .FRI...N wind 20 kt. Seas 9 ft. $$ PKZ179-270100- Pribilof Islands Near Shore Waters- 356 AM AKDT Mon Apr 26 2021 ...GALE WARNING TODAY... .TODAY...N wind 35 kt. Seas 10 ft. .TONIGHT...N wind 30 kt. Seas 10 ft. .TUE...N wind 25 kt. Seas 8 ft. .TUE NIGHT...N wind 20 kt. Seas 5 ft. .WED THROUGH THU...NE wind 20 kt. Seas 6 ft. .FRI...NE wind 15 kt. Seas 5 ft. $$ PKZ180-270100- Kuskokwim Delta and Etolin Strait- 356 AM AKDT Mon Apr 26 2021 ...SMALL CRAFT ADVISORY THROUGH TONIGHT... .TODAY...N wind 30 kt. Seas in ice free waters 10 ft. .TONIGHT...N wind 25 kt. Seas in ice free waters 7 ft. .TUE...N wind 20 kt. Seas in ice free waters 4 ft. .TUE NIGHT...N wind 15 kt. Seas in ice free waters 3 ft. .WED THROUGH THU...NW wind 20 kt. Seas in ice free waters 4 ft. .FRI...NW wind 15 kt. Seas in ice free waters 3 ft. $$ PKZ181-270100- North and West of Nunivak Island- 356 AM AKDT Mon Apr 26 2021 ...SMALL CRAFT ADVISORY THROUGH TONIGHT... .TODAY...N wind 25 kt. Seas in ice free waters 6 ft. .TONIGHT...N wind 25 kt. Seas in ice free waters 6 ft. .TUE...N wind 20 kt. Seas in ice free waters 5 ft. .TUE NIGHT...NW wind 20 kt. Seas in ice free waters 3 foot. .WED THROUGH THU...NW wind 20 kt. Seas in ice free waters 2 ft. .FRI...NW wind 15 kt. Seas in ice free waters 2 ft. $$ PKZ185-270100- Saint Matthew Island Waters- 356 AM AKDT Mon Apr 26 2021 ...SMALL CRAFT ADVISORY THROUGH TONIGHT... .TODAY...NW wind 25 kt. Seas 6 ft. .TONIGHT...NW wind 25 kt. Seas 4 ft. .TUE...N wind 20 kt E of Saint Matthew Island...W 15 kt W of Saint Matthew Island. Seas 3 ft. .TUE NIGHT...NW wind 15 kt. Seas 3 ft. .WED...N wind 20 kt. Seas 6 ft. .THU...NW wind 15 kt. Seas 6 ft. .FRI...Variable wind 10 kt. Seas 4 ft. $$
150 FZAK52 PAFC 262333 CWFALU Coastal Waters Forecast National Weather Service Anchorage Alaska 333 PM AKDT Mon Apr 26 2021 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. PKZ199-271245- 333 PM AKDT Mon Apr 26 2021 .SYNOPSIS FOR SOUTHWEST ALASKA+BRISTOL BAY+THE ALASKA PENINSULA WATERS AND THE ALEUTIAN ISLANDS... Semisopochnoi Volcano, 140 nm West of Adak is currently active. A 987 mb North Pacific low moves east for Wed afternoon. Its front decays over Southwest Alaska by Wed afternoon. High pressure crosses the Bering through Wed afternoon. A 945 mb North Pacific low Mon night moves to 380 nm South of Attu at 978 mb for Wed afternoon. Its front moves over the Western Aleutians Wed afternoon. $$ PKZ150-271245- South of the AK Peninsula Sitkinak to Castle Cape- 333 PM AKDT Mon Apr 26 2021 ...SMALL CRAFT ADVISORY THROUGH TUESDAY NIGHT... .TONIGHT...NE wind 25 kt. Seas 8 ft. .TUE...NE wind 25 kt. Seas 9 ft. .TUE NIGHT...NE wind 25 kt. Seas 9 ft. .WED...NE wind 20 kt. Seas 8 ft. .WED NIGHT...NE wind 15 kt. Seas 6 ft. .THU THROUGH FRI...W wind 15 kt. Seas 6 ft. .SAT...SE wind 15 kt. Seas 6 ft. $$ PKZ155-271245- South of the AK Peninsula Castle Cape to Cape Sarichef- 333 PM AKDT Mon Apr 26 2021 ...SMALL CRAFT ADVISORY TUESDAY AND TUESDAY NIGHT... .TONIGHT...NE wind 20 kt. Seas 7 ft. .TUE...N wind 25 kt. Seas 9 ft. .TUE NIGHT...NE wind 25 kt. Seas 8 ft. .WED...N wind 20 kt. Seas 8 ft. .WED NIGHT...N wind 15 kt. Seas 6 ft. .THU...N wind 15 kt. Seas 7 ft. .FRI...Variable wind 10 kt. Seas 7 ft. .SAT...E wind 15 kt. Seas 6 ft. $$ PKZ160-271245- Bristol Bay- 333 PM AKDT Mon Apr 26 2021 .TONIGHT...NE wind 20 kt. Seas 4 ft. .TUE...NE wind 15 kt. Seas 3 ft. .TUE NIGHT...N wind 15 kt. Seas 2 ft. .WED...N wind 10 kt. Seas 2 ft. .WED NIGHT...W wind 10 kt. Seas 2 ft. .THU THROUGH FRI...NW wind 15 kt. Seas 3 ft. .SAT...NE wind 10 kt. Seas 2 ft. $$ PKZ165-271245- Port Heiden to Cape Sarichef- 333 PM AKDT Mon Apr 26 2021 ...SMALL CRAFT ADVISORY TONIGHT... .TONIGHT...NE wind 30 kt. Seas 11 ft. .TUE...N wind 20 kt. Seas 7 ft. .TUE NIGHT...N wind 20 kt. Seas 5 ft. .WED AND WED NIGHT...N wind 15 kt. Seas 4 ft. .THU...N wind 20 kt. Seas 7 ft. .FRI THROUGH SAT...NE wind 15 kt. Seas 4 ft. $$ PKZ170-271245- Cape Sarichef to Nikolski Bering Side- 333 PM AKDT Mon Apr 26 2021 ...SMALL CRAFT ADVISORY THROUGH TUESDAY... .TONIGHT...N wind 30 kt. Seas 13 ft. .TUE...N wind 30 kt diminishing to 20 kt in the afternoon. Seas 11 ft. .TUE NIGHT...N wind 20 kt. Seas 7 ft. .WED AND WED NIGHT...NE wind 15 kt. Seas 5 ft. .THU...NE wind 20 kt. Seas 6 ft. .FRI THROUGH SAT...NE wind 15 kt. Seas 5 ft. $$ PKZ171-271245- Unalaska Bay- 333 PM AKDT Mon Apr 26 2021 ...SMALL CRAFT ADVISORY TONIGHT... .TONIGHT...N wind 30 kt. Seas 12 ft. .TUE...N wind 20 kt. Seas 7 ft. .TUE NIGHT...N wind 15 kt diminishing to 10 kt after midnight. Seas 5 ft subsiding to 3 ft after midnight. .WED AND WED NIGHT...N wind 10 kt. Seas 3 ft. .THU...NE wind 15 kt. Seas 3 ft. .FRI THROUGH SAT...NE wind 10 kt. Seas 3 ft. $$ PKZ172-271245- Cape Sarichef to Nikolski Pacific Side- 333 PM AKDT Mon Apr 26 2021 ...SMALL CRAFT ADVISORY THROUGH TUESDAY... .TONIGHT...N wind 30 kt. Seas 9 ft. .TUE...N wind 25 kt. Seas 7 ft. .TUE NIGHT...N wind 20 kt. Seas 6 ft. .WED...N wind 15 kt. Seas 5 ft. .WED NIGHT...Variable wind 10 kt. Seas 7 ft. .THU...Variable wind 10 kt. Seas 8 ft. .FRI THROUGH SAT...NE wind 15 kt. Seas 7 ft. $$ PKZ173-271245- Nikolski to Seguam Island Bering Side- 333 PM AKDT Mon Apr 26 2021 ...GALE WARNING TONIGHT... .TONIGHT...N wind 35 kt. Seas 14 ft. .TUE...N wind 30 kt diminishing to 20 kt in the afternoon. Seas 13 ft. .TUE NIGHT...NE wind 20 kt. Seas 8 ft. .WED AND WED NIGHT...NE wind 15 kt. Seas 5 ft. .THU THROUGH FRI...NE wind 15 kt. Seas 6 ft. .SAT...N wind 15 kt. Seas 5 ft. $$ PKZ174-271245- Nikolski to Seguam Island Pacific Side- 333 PM AKDT Mon Apr 26 2021 ...GALE WARNING TONIGHT... .TONIGHT...N wind 35 kt. Seas 15 ft. .TUE...N wind 30 kt diminishing to 20 kt in the afternoon. Seas 12 ft. .TUE NIGHT...N wind 20 kt. Seas 7 ft. .WED AND WED NIGHT...Variable wind 10 kt. Seas 9 ft. .THU THROUGH FRI...E wind 15 kt. Seas 9 ft. .SAT...N wind 20 kt. Seas 6 ft. $$ PKZ175-271245- Seguam Island to Adak Bering Side- 333 PM AKDT Mon Apr 26 2021 ...SMALL CRAFT ADVISORY THROUGH TUESDAY... .TONIGHT...N wind 30 kt. Seas 13 ft. .TUE...N wind 25 kt. Seas 10 ft. .TUE NIGHT...NE wind 15 kt. Seas 7 ft. .WED AND WED NIGHT...E wind 20 kt. Seas 7 ft. .THU THROUGH FRI...NE wind 20 kt. Seas 6 ft. .SAT...NW wind 15 kt. Seas 5 ft. $$ PKZ176-271245- Seguam Island to Adak Pacific Side- 333 PM AKDT Mon Apr 26 2021 ...GALE WARNING TONIGHT... .TONIGHT...N wind 35 kt. Seas 11 ft. .TUE...N wind 25 kt. Seas 9 ft. .TUE NIGHT...NE wind 15 kt. Seas 6 ft. .WED AND WED NIGHT...E wind 15 kt. Seas 13 ft. .THU...E wind 20 kt. Seas 12 ft. .FRI...NE wind 15 kt. Seas 8 ft. .SAT...NW wind 15 kt. Seas 7 ft. $$ PKZ177-271245- Adak to Kiska- 333 PM AKDT Mon Apr 26 2021 ...SMALL CRAFT ADVISORY TUESDAY NIGHT... .TONIGHT...N wind 20 kt. Seas 7 ft. .TUE...E wind 20 kt. Seas 6 ft. .TUE NIGHT...E wind 25 kt. Seas 6 ft building to 11 ft after midnight. .WED AND WED NIGHT...E wind 25 kt. Seas 15 ft. .THU...NE wind 20 kt. Seas 13 ft. .FRI...N wind 20 kt. Seas 8 ft. .SAT...NW wind 20 kt. Seas 6 ft. $$ PKZ178-271245- Kiska to Attu- 333 PM AKDT Mon Apr 26 2021 ...GALE WARNING TUESDAY AND TUESDAY NIGHT... .TONIGHT...SE wind 15 kt increasing to 25 kt after midnight. Seas 6 ft. .TUE...SE wind 35 kt. Seas 8 ft building to 13 ft in the afternoon. Rain. .TUE NIGHT...E wind 35 kt. Seas 17 ft Bering side...21 ft Pacific side. Rain. .WED AND WED NIGHT...NE wind 30 kt. Seas 18 ft. .THU...NE wind 25 kt. Seas 13 ft. .FRI...N wind 20 kt. Seas 9 ft. .SAT...NW wind 15 kt. Seas 5 ft. $$ PKZ179-271245- Pribilof Islands Near Shore Waters- 333 PM AKDT Mon Apr 26 2021 ...SMALL CRAFT ADVISORY THROUGH TUESDAY... .TONIGHT...N wind 30 kt. Seas 11 ft. .TUE...N wind 25 kt. Seas 8 ft. .TUE NIGHT...N wind 20 kt. Seas 5 ft. .WED...N wind 15 kt. Seas 4 ft. .WED NIGHT...NE wind 20 kt. Seas 6 ft. .THU...NE wind 20 kt. Seas 6 ft. .FRI THROUGH SAT...NE wind 15 kt. Seas 4 ft. $$ PKZ180-271245- Kuskokwim Delta and Etolin Strait- 333 PM AKDT Mon Apr 26 2021 ...SMALL CRAFT ADVISORY TONIGHT... .TONIGHT...N wind 25 kt. Seas in ice free waters 6 ft. .TUE...N wind 20 kt. Seas in ice free waters 4 ft. .TUE NIGHT...N wind 20 kt. Seas in ice free waters 3 ft. .WED AND WED NIGHT...N wind 20 kt. Seas in ice free waters 3 ft. .THU...NW wind 20 kt. Seas in ice free waters 5 ft. .FRI THROUGH SAT...N wind 15 kt. Seas in ice free waters 3 ft. $$ PKZ181-271245- North and West of Nunivak Island- 333 PM AKDT Mon Apr 26 2021 ...SMALL CRAFT ADVISORY THROUGH TUESDAY... .TONIGHT...N wind 25 kt. Seas in ice free waters 5 ft. .TUE...N wind 25 kt. Seas in ice free waters 4 ft. .TUE NIGHT...N wind 20 kt. Seas in ice free waters 3 ft. .WED AND WED NIGHT...N wind 20 kt. Seas in ice free waters 2 ft. .THU...NW wind 20 kt. Seas in ice free waters 2 ft. .FRI THROUGH SAT...N wind 15 kt. Seas in ice free waters 1 foot. $$ PKZ185-271245- Saint Matthew Island Waters- 333 PM AKDT Mon Apr 26 2021 ...SMALL CRAFT ADVISORY TONIGHT... .TONIGHT...NW wind 25 kt. Seas 4 ft. .TUE...N wind 20 kt E of Saint Matthew Island...W 15 kt W of Saint Matthew Island. Seas 3 ft. .TUE NIGHT...NW wind 15 kt. Seas 3 ft. .WED AND WED NIGHT...N wind 20 kt. Seas 5 ft. .THU...NW wind 15 kt. Seas 6 ft. .FRI...Variable wind 10 kt. Seas 4 ft. .SAT...N wind 15 kt. Seas 3 ft. $$
457 FZAK52 PAFC 271115 CWFALU Coastal Waters Forecast National Weather Service Anchorage Alaska 315 AM AKDT Tue Apr 27 2021 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. PKZ199-280000- 315 AM AKDT Tue Apr 27 2021 .SYNOPSIS FOR SOUTHWEST ALASKA+BRISTOL BAY+THE ALASKA PENINSULA WATERS AND THE ALEUTIAN ISLANDS... High pressure crosses the Bering through Wed night. A 976 mb low is 400 nm southwest of Shemya on Wed. Its front moves across the western Bering through Wed night. $$ PKZ150-280000- South of the AK Peninsula Sitkinak to Castle Cape- 315 AM AKDT Tue Apr 27 2021 ...SMALL CRAFT ADVISORY THROUGH WEDNESDAY... .TODAY...NE wind 25 kt. Seas 9 ft. .TONIGHT...NE wind 25 kt. Seas 9 ft. .WED...NE wind 25 kt diminishing to 15 kt in the afternoon. Seas 8 ft. .WED NIGHT...Variable wind 10 kt. Seas 5 ft. .THU THROUGH FRI...W wind 25 kt. Seas 7 ft. .SAT...SE wind 15 kt. Seas 6 ft. $$ PKZ155-280000- South of the AK Peninsula Castle Cape to Cape Sarichef- 315 AM AKDT Tue Apr 27 2021 ...SMALL CRAFT ADVISORY THROUGH WEDNESDAY... .TODAY...N wind 25 kt. Seas 9 ft. .TONIGHT...NE wind 25 kt. Seas 9 ft. .WED...N wind 25 kt. Seas 8 ft. .WED NIGHT...N wind 15 kt. Seas 6 ft. .THU THROUGH FRI...NW wind 15 kt. Seas 8 ft. .SAT...E wind 15 kt. Seas 7 ft. $$ PKZ160-280000- Bristol Bay- 315 AM AKDT Tue Apr 27 2021 .TODAY...NE wind 20 kt. Seas 3 ft. .TONIGHT...N wind 15 kt. Seas 2 ft. .WED...NE wind 10 kt. Seas 2 ft. .WED NIGHT...W wind 15 kt. Seas 2 foot. .THU THROUGH FRI...W wind 20 kt. Seas 3 ft. .SAT...E wind 15 kt. Seas 2 ft. $$ PKZ165-280000- Port Heiden to Cape Sarichef- 315 AM AKDT Tue Apr 27 2021 .TODAY...N wind 20 kt. Seas 7 ft. .TONIGHT...N wind 20 kt. Seas 6 ft. .WED...NE wind 15 kt. Seas 4 ft. .WED NIGHT...N wind 15 kt. Seas 4 ft. .THU...N wind 20 kt. Seas 7 ft. .FRI...N wind 15 kt. Seas 5 ft. .SAT...E wind 15 kt. Seas 3 ft. $$ PKZ170-280000- Cape Sarichef to Nikolski Bering Side- 315 AM AKDT Tue Apr 27 2021 ...SMALL CRAFT ADVISORY TODAY... .TODAY...N wind 30 kt diminishing to 20 kt in the afternoon. Seas 11 ft subsiding to 8 ft in the afternoon. .TONIGHT...N wind 20 kt. Seas 7 ft. .WED...NE wind 15 kt. Seas 5 ft. .WED NIGHT...NE wind 15 kt. Seas 5 ft. .THU...NE wind 20 kt. Seas 6 ft. .FRI...E wind 15 kt. Seas 5 ft. .SAT...N wind 20 kt. Seas 5 ft. $$ PKZ171-280000- Unalaska Bay- 315 AM AKDT Tue Apr 27 2021 .TODAY...N wind 20 kt. Seas 7 ft. .TONIGHT...N wind 15 kt diminishing to 10 kt after midnight. Seas 5 ft subsiding to 3 ft after midnight. .WED...N wind 10 kt. Seas 3 ft. .WED NIGHT...N wind 10 kt. Seas 3 ft. .THU...NE wind 15 kt. Seas 5 ft. .FRI...E wind 10 kt. Seas 3 ft. .SAT...NE wind 15 kt. Seas 2 ft. $$ PKZ172-280000- Cape Sarichef to Nikolski Pacific Side- 315 AM AKDT Tue Apr 27 2021 ...SMALL CRAFT ADVISORY TODAY... .TODAY...N wind 25 kt. Seas 7 ft. .TONIGHT...N wind 20 kt. Seas 6 ft. .WED...N wind 15 kt. Seas 5 ft. .WED NIGHT...Variable wind 10 kt. Seas 7 ft. .THU...NE wind 15 kt. Seas 9 ft. .FRI...E wind 15 kt. Seas 7 ft. .SAT...NE wind 20 kt. Seas 7 ft. $$ PKZ173-280000- Nikolski to Seguam Island Bering Side- 315 AM AKDT Tue Apr 27 2021 ...SMALL CRAFT ADVISORY THROUGH TONIGHT... .TODAY...N wind 30 kt diminishing to 20 kt in the afternoon. Seas 12 ft. .TONIGHT...NE wind 20 kt. Seas 8 ft. .WED...NE wind 15 kt. Seas 5 ft. .WED NIGHT...NE wind 15 kt. Seas 5 ft. .THU THROUGH FRI...E wind 15 kt. Seas 6 ft. .SAT...NW wind 20 kt. Seas 6 ft. $$ PKZ174-280000- Nikolski to Seguam Island Pacific Side- 315 AM AKDT Tue Apr 27 2021 ...SMALL CRAFT ADVISORY THROUGH TONIGHT... .TODAY...N wind 30 kt diminishing to 20 kt in the afternoon. Seas 12 ft. .TONIGHT...N wind 20 kt. Seas 8 ft. .WED...E wind 10 kt. Seas 6 ft. .WED NIGHT...Variable wind 10 kt. Seas 11 ft. .THU THROUGH FRI...E wind 15 kt. Seas 9 ft. .SAT...N wind 20 kt. Seas 7 ft. $$ PKZ175-280000- Seguam Island to Adak Bering Side- 315 AM AKDT Tue Apr 27 2021 ...SMALL CRAFT ADVISORY TODAY... .TODAY...N wind 25 kt. Seas 10 ft. .TONIGHT...NE wind 15 kt. Seas 7 ft. .WED...E wind 15 kt. Seas 6 ft. .WED NIGHT...E wind 20 kt. Seas 6 ft. .THU THROUGH FRI...NE wind 20 kt. Seas 6 ft. .SAT...NW wind 15 kt. Seas 7 ft. $$ PKZ176-280000- Seguam Island to Adak Pacific Side- 315 AM AKDT Tue Apr 27 2021 ...SMALL CRAFT ADVISORY TODAY AND WEDNESDAY... .TODAY...N wind 30 kt becoming NE 20 kt in the afternoon. Seas 9 ft. .TONIGHT...NE wind 15 kt. Seas 6 ft. .WED...E wind 15 kt. Seas 11 ft. .WED NIGHT...E wind 20 kt. Seas 12 ft. .THU...E wind 20 kt. Seas 12 ft. .FRI...NE wind 15 kt. Seas 8 ft. .SAT...NW wind 20 kt. Seas 7 ft. $$ PKZ177-280000- Adak to Kiska- 315 AM AKDT Tue Apr 27 2021 ...SMALL CRAFT ADVISORY TONIGHT AND WEDNESDAY... .TODAY...E wind 20 kt. Seas 7 ft. .TONIGHT...E wind 25 kt. Seas 6 ft building to 11 ft after midnight. .WED...E wind 25 kt. Seas 15 ft. .WED NIGHT...E wind 25 kt. Seas 14 ft. .THU...E wind 25 kt. Seas 11 ft. .FRI...N wind 20 kt. Seas 8 ft. .SAT...NW wind 15 kt. Seas 5 ft. $$ PKZ178-280000- Kiska to Attu- 315 AM AKDT Tue Apr 27 2021 ...GALE WARNING THROUGH TONIGHT... .TODAY...E wind 40 kt. Seas 12 ft. Rain. .TONIGHT...E wind 35 kt. Seas 19 ft. Rain. .WED...E wind 30 kt. Seas 19 ft. .WED NIGHT...E wind 30 kt. Seas 15 ft. .THU...NE wind 25 kt. Seas 11 ft. .FRI...N wind 20 kt. Seas 8 ft. .SAT...NW wind 15 kt. Seas 5 ft. $$ PKZ179-280000- Pribilof Islands Near Shore Waters- 315 AM AKDT Tue Apr 27 2021 ...SMALL CRAFT ADVISORY TODAY... .TODAY...N wind 25 kt. Seas 8 ft. .TONIGHT...N wind 20 kt. Seas 5 ft. .WED...N wind 20 kt. Seas 4 ft. .WED NIGHT...NE wind 20 kt. Seas 7 ft. .THU...NE wind 20 kt. Seas 7 ft. .FRI...Variable wind 10 kt. Seas 3 ft. .SAT...W wind 15 kt. Seas 2 ft. $$ PKZ180-280000- Kuskokwim Delta and Etolin Strait- 315 AM AKDT Tue Apr 27 2021 .TODAY...N wind 20 kt. Seas in ice free waters 4 ft. .TONIGHT...N wind 20 kt. Seas in ice free waters 3 ft. .WED...N wind 20 kt. Seas in ice free waters 3 ft. .WED NIGHT...N wind 25 kt. Seas in ice free waters 4 ft. .THU...NW wind 25 kt. Seas in ice free waters 5 ft. .FRI...W wind 20 kt. Seas in ice free waters 3 ft. .SAT...E wind 10 kt. Seas in ice free waters 2 ft. $$ PKZ181-280000- North and West of Nunivak Island- 315 AM AKDT Tue Apr 27 2021 .TODAY...N wind 20 kt. Seas in ice free waters 4 ft. .TONIGHT...N wind 20 kt. Seas in ice free waters 3 ft. .WED...N wind 20 kt. Seas in ice free waters 3 ft. .WED NIGHT...N wind 25 kt. Seas in ice free waters 2 ft. .THU...NW wind 20 kt. Seas in ice free waters 3 ft. .FRI...W wind 15 kt. Seas in ice free waters 2 ft. .SAT...Variable wind 10 kt. Seas in ice free waters 1 foot. $$ PKZ185-280000- Saint Matthew Island Waters- 315 AM AKDT Tue Apr 27 2021 .TODAY...N wind 20 kt E of Saint Matthew Island...W 15 kt W of Saint Matthew Island. Seas 4 ft. .TONIGHT...NW wind 15 kt. Seas 3 ft. .WED...N wind 20 kt. Seas 4 ft. .WED NIGHT...N wind 20 kt. Seas 6 ft. .THU THROUGH FRI...W wind 15 kt. Seas 6 ft. .SAT...N wind 15 kt. Seas 4 ft. $$
What forecasters said that day
The local office's own words before this small craft advisory went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Anchorage, AK wrote its last area forecast discussion before this small craft advisory went out at Apr 24, 4:11 PM AKDT, 11 hours 4 minutes earlier.
Area forecast discussion, Apr 24, 4:11 PM AKDT, 11 hours 4 minutes before
Southcentral and Southwest Alaska Forecast Discussion National Weather Service Anchorage AK 411 PM AKDT Sat Apr 24 2021 .ANALYSIS AND UPPER LEVELS... The blocking high pressure aloft continues to sit over the central portion of the state, but stretches southward into the Gulf and northward into the Chukchi Sea. Low pressure encompasses the Bering Sea with two centers, one over the western Bering Sea while a stronger disturbance is moving into the eastern Bering today. The previous front the last couple of days is decaying over the southwestern mainland while the next is approaching from the Bering Sea. Clear sky continues over the southcentral mainland underneath the blocking high while some low level clouds are lingering over the southwest. && .MODEL DISCUSSION... Good model agreement exists with the evolution of the Bering Sea system sliding into the northeast Pacific/Gulf of Alaska. There's also great agreement in lingering the high pressure over the mainland, transitioning to weak low pressure (no major consolidated systems). && .AVIATION... PANC...VFR conditions and light winds will persist. && .SHORT TERM FORECAST SOUTHCENTRAL ALASKA (Days 1 through 3/Tonight through Tuesday)... The ridge over Southcentral will remain firmly entrenched through early next week. This will keep warm and dry conditions in the forecast for much of the region. Besides this, a front associated with a low over the Aleutians is approaching Kodiak Island. This will continue the showery pattern from tomorrow afternoon through the remainder of the forecast period. && .SHORT TERM FORECAST SOUTHWEST ALASKA (Days 1 through 3: Tonight through Tuesday)... Weak embedded shortwaves coupled with moist, southeasterly flow aloft will keep isolated rain showers ongoing today near the Y-K Delta coast. Meanwhile, a ridge of high pressure aloft and weak offshore flow will keep mostly clear skies and dry conditions over the Lower and Middle Kuskokwim Valleys. A North Pacific low circulating south of the Aleutians with an associated front will keep rain showers ongoing across the coastal Southwest late tonight into Sunday. As the low weakens, another North Pacific low with a deep fetch of tropical moisture will arrive by late Sunday night into Monday with continued rainfall over the coastal areas of Bristol Bay and the Kuskokwim Delta. A deep moisture feed combined with orographic enhancement will enhance rainfall along the AKPEN. Additionally, expect gusty, easterly winds funneling through the gaps and passes of the Alaska Range and across parts of Bristol Bay during the forecast period. Conditions are expected to improve by late Monday into Tuesday with a ridge of high pressure aloft building over the Mainland. && .SHORT TERM FORECAST BERING SEA/ALEUTIANS (Days 1 through 3: Tonight through Tuesday)... A North Pacific low south of Dutch Harbor with an associated frontal boundary will keep rain showers continuing along the Central and Eastern Aleutians, with some spreading northward near the Pribilofs through Monday. Another North Pacific low with a deep moisture fetch will add higher rainfall amounts along the Eastern Aleutians by Monday. Expect continued elevated seas at times with gusty, southeasterly to easterly winds funneling through the usual gaps and passes along the Aleutian Chain, and gusty, easterly to northeasterly winds over the Bering Sea. Meanwhile, weak embedded shortwaves and moist, cyclonic flow aloft rotating within a broad circulation pattern over the entire Bering will keep isolated showers and windy conditions over the Western and Central Aleutians through the forecast period. A ridge of high pressure will build across the Bering late Monday into Tuesday, shifting the storm activity south of the Aleutians and providing fair, mild conditions. && .MARINE (Days 3 through 5 - Tuesday through Thursday)... The primary focus for marine weather in this time period is a really deep low over the northwest Pacific. While the low itself will remain over the Pacific, the leading frontal boundary will approach the Aleutian chain Tuesday, then stall to the south Wednesday through Thursday. There is potential for gale force winds as the front first arrives, but the system will be in a state of weakening, so winds will slowly diminish Wednesday through Thursday. Elsewhere across the forecast area, expect winds less than 35 kts. && .LONG TERM FORECAST (Days 4 through 7/Wednesday through Saturday)... The blocking high over mainland Alaska will gradually erode during this time period, being replaced by a broad upper trough that is centered over the Bering Strait region. The main change for sensible weather will be a colder air mass, bringing temperatures closer to normal for this time of year, or even slightly below normal. As we progress through next week some cloud cover looks to return while we remain seasonably dry. && .AFC WATCHES/WARNINGS/ADVISORIES... PUBLIC...Ice Jam Flood Warning 121 (Anchor River). MARINE...Gale Warning 132 138 150 176 177. FIRE WEATHER...NONE. && SYNOPSIS AND MODEL DISCUSSION...MTL SOUTHCENTRAL ALASKA...CK SOUTHWEST ALASKA/BERING SEA/ALEUTIANS...MF MARINE/LONG TERM...MK/SB/MTL
The office that day
Everything else NWS Anchorage, AK issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 25, 2:21 AM AKDT | Small Craft Advisory | AFC | 3 days | |
| Apr 25, 3:13 AM AKDT | Gale Warning | AFC | 36 hr | |
| Apr 25, 3:15 AM AKDT | Gale Warning | AFC | 48 hr | |
| Apr 25, 3:23 PM AKDT | Small Craft Advisory | AFC | 24 hr | |
| Apr 25, 3:38 PM AKDT | Gale Warning | AFC | 24 hr | |
| Apr 25, 3:38 PM AKDT | Small Craft Advisory | AFC | 36 hr | |
| Apr 25, 3:39 PM AKDT | Gale Warning | AFC | 24 hr |
Nearby
Small Craft Advisories in Alaska, 2021Every small craft advisory in 2021
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text.