Alert archive / Alaska / Storm Warnings in 2017
Storm Warning 181, NWS Anchorage, AK
NWS Anchorage, AK issued this storm warning at Dec 17, 2017, 3:45 AM AKST. It was in force for 36 hr. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- Dec 17, 2017, 3:45 AM AKST (12:45 UTC)
- Expired
- Dec 18, 2017, 3:36 PM AKST
- In force
- 36 hr
- Issued by
- NWS Anchorage, AK
The text
As transmitted.
131 FZAK52 PAFC 171245 CWFALU Coastal Waters Forecast National Weather Service Anchorage Alaska 345 AM AKST Sun Dec 17 2017 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. PKZ199-180115- 345 AM AKST Sun Dec 17 2017 .SYNOPSIS FOR SOUTHWEST ALASKA+BRISTOL BAY+THE ALASKA PENINSULA WATERS AND THE ALEUTIAN ISLANDS... A 991 mb low 60 nm northwest of Port Heiden will enter the western Gulf this afternoon. A 973 mb Kamchatka low will move to 155 nm west of Shemya this afternoon, then move to 300 nm northwest of Shemya at 952 mb Mon night, then to the northern Bering Tue morning. An associated strong front over the western Aleutians will move over the eastern Aleutians Mon morning. $$ PKZ150-180115- South of the AK Peninsula Sitkinak to Castle Cape- 345 AM AKST Sun Dec 17 2017 ...GALE WARNING THROUGH TONIGHT... .TODAY...W wind 25 kt becoming NW 40 kt by mid morning. Seas 18 ft. .TONIGHT...NW wind 35 kt. Seas 16 ft. .MON...SW wind 30 kt. Seas 10 ft. .MON NIGHT...SW wind 35 kt. Seas 14 ft. .TUE...SW wind 35 kt. Seas 16 ft. .WED...S wind 25 kt. Seas 11 ft. .THU...SE wind 30 kt. Seas 19 ft. $$ PKZ155-180115- South of the AK Peninsula Castle Cape to Cape Sarichef- 345 AM AKST Sun Dec 17 2017 ...GALE WARNING THROUGH MONDAY... .TODAY...NW wind 40 kt. Seas 20 ft. .TONIGHT...NW wind 35 kt becoming W 25 kt after midnight. Seas 14 ft subsiding to 10 ft after midnight. .MON...S wind 40 kt except SW 30 kt from the Shumagin Islands E. Seas 17 ft except 10 ft from the Shumagin Islands E. .MON NIGHT...SW wind 40 kt. Seas 21 ft. .TUE...SW wind 30 kt. Seas 20 ft. .WED...S wind 25 kt. Seas 13 ft. .THU...SE wind 25 kt. Seas 17 ft. $$ PKZ160-180115- Bristol Bay- 345 AM AKST Sun Dec 17 2017 ...GALE WARNING MONDAY... .TODAY...N wind 20 kt becoming NW 30 kt in the afternoon. Seas 9 ft. Patchy freezing fog. .TONIGHT...NW wind 30 kt becoming W 20 kt after midnight. Seas 10 ft. .MON...S wind 25 kt becoming SE 35 kt in the afternoon. Seas 7 ft. .MON NIGHT...S wind 35 kt. Seas 11 ft. .TUE...SW wind 25 kt. Seas 10 ft. .WED...S wind 20 kt. Seas 10 ft. .THU...E wind 25 kt. Seas 7 ft. $$ PKZ165-180115- Port Heiden to Cape Sarichef- 345 AM AKST Sun Dec 17 2017 ...GALE WARNING THROUGH MONDAY... .TODAY...NW wind 40 kt. Seas 20 ft. .TONIGHT...W wind 20 kt becoming S 35 kt after midnight. From Port Moller E, NW wind 25 kt. Seas 12 ft. .MON...S wind 45 kt, Seas 15 ft building to 21 ft in the afternoon. From Port Moller E, S wind 30 kt increasing to 40 kt in the afternoon, Seas 8 ft building to 14 ft in the afternoon. Rain. .MON NIGHT...SW wind 40 kt. Seas 20 ft. .TUE...SW wind 30 kt. Seas 18 ft. .WED...S wind 25 kt. Seas 17 ft. .THU...SE wind 25 kt. Seas 12 ft. $$ PKZ170-180115- Cape Sarichef to Nikolski Bering Side- 345 AM AKST Sun Dec 17 2017 ...STORM WARNING MONDAY... .TODAY...NW wind 35 kt becoming W 25 kt in the afternoon. Seas 22 ft. .TONIGHT...S wind 45 kt. Seas 17 ft. .MON...S wind 50 kt. Seas 23 ft. Rain. .MON NIGHT...SW wind 30 kt. Seas 19 ft. .TUE...SW wind 30 kt. Seas 22 ft. .WED...S wind 35 kt. Seas 19 ft. .THU...S wind 30 kt. Seas 16 ft. $$ PKZ171-180115- Unalaska Bay- 345 AM AKST Sun Dec 17 2017 ...GALE WARNING MONDAY... .TODAY...W wind 30 kt becoming W 20 kt in the afternoon. Seas 10 ft subsiding to 5 ft in the afternoon. .TONIGHT...S wind 20 kt increasing to 30 kt after midnight. Seas 3 ft building to 5 ft after midnight. .MON...S wind 35 kt. Seas 5 ft. Rain. .MON NIGHT...SW wind 20 kt. Seas 3 ft. .TUE...SW wind 20 kt. Seas 3 ft. .WED THROUGH THU...S wind 20 kt. Seas 3 ft. $$ PKZ172-180115- Cape Sarichef to Nikolski Pacific Side- 345 AM AKST Sun Dec 17 2017 ...STORM WARNING MONDAY... .TODAY...NW wind 35 kt. Seas 16 ft. .TONIGHT...SW wind 30 kt becoming S 40 kt after midnight. Seas 9 ft building to 14 ft after midnight. .MON...S wind 50 kt. Seas 21 ft building to 27 ft in the afternoon. Rain. .MON NIGHT...SW wind 45 kt. Seas 26 ft. .TUE...SW wind 25 kt. Seas 19 ft. .WED...S wind 35 kt. Seas 19 ft. .THU...S wind 25 kt. Seas 19 ft. $$ PKZ173-180115- Nikloski to Seguam Island Bering Side- 345 AM AKST Sun Dec 17 2017 ...STORM WARNING TONIGHT AND MONDAY... .TODAY...W wind 25 kt becoming SW 35 kt in the afternoon. Seas 15 ft. .TONIGHT...S wind 50 kt. Seas 16 ft building to 22 ft after midnight. Rain. .MON...S wind 50 kt becoming SW 35 kt in the afternoon. Seas 24 ft. Rain. .MON NIGHT...SW wind 35 kt. Seas 21 ft. .TUE THROUGH WED...S wind 35 kt. Seas 23 ft. .THU...W wind 25 kt. Seas 16 ft. $$ PKZ174-180115- Nikolski to Seguam Island Pacific Side- 345 AM AKST Sun Dec 17 2017 ...STORM WARNING TONIGHT AND MONDAY... .TODAY...SW wind 30 kt. Seas 14 ft. .TONIGHT...S wind 40 kt increasing to 50 kt after midnight. Seas 16 ft building to 22 ft after midnight. .MON...S wind 50 kt. Seas 30 ft. Rain. .MON NIGHT...W wind 30 kt. Seas 24 ft. .TUE...SW wind 30 kt. Seas 21 ft. .WED...S wind 35 kt. Seas 27 ft. .THU...W wind 20 kt. Seas 20 ft. $$ PKZ175-180115- Seguam Island to Adak Bering Side- 345 AM AKST Sun Dec 17 2017 ...STORM WARNING THROUGH TONIGHT... .TODAY...S wind 40 kt increasing to 50 kt in the afternoon. Seas 16 ft. .TONIGHT...S wind 55 kt. Seas 23 ft. Rain. .MON...SW wind 40 kt. Seas 19 ft. Rain. .MON NIGHT...SW wind 40 kt. Seas 24 ft. .TUE THROUGH WED...SW wind 35 kt. Seas 23 ft. .THU...W wind 20 kt. Seas 16 ft. $$ PKZ176-180115- Seguam Island to Adak Pacific Side- 345 AM AKST Sun Dec 17 2017 ...STORM WARNING TONIGHT AND MONDAY... .TODAY...SW wind 35 kt becoming S 45 kt in the afternoon. Seas 11 ft building to 17 ft in the afternoon. .TONIGHT...S wind 55 kt. Seas 25 ft building to 31 ft after midnight. Rain. .MON...SW wind 50 kt becoming W 35 kt in the afternoon. Seas 31 ft. Rain. .MON NIGHT...W wind 35 kt. Seas 24 ft. .TUE...SW wind 35 kt. Seas 22 ft. .WED...SW wind 35 kt. Seas 30 ft. .THU...W wind 25 kt. Seas 20 ft. $$ PKZ177-180115- Adak to Kiska- 345 AM AKST Sun Dec 17 2017 ...STORM WARNING THROUGH TONIGHT... .TODAY...S wind 55 kt. Seas 20 ft building to 29 ft in the afternoon. Rain. .TONIGHT...S wind 55 kt becoming SW 40 kt after midnight. Bering side, seas 29 ft subsiding to 23 ft after midnight. Pacific side, seas 32 ft. Rain. .MON...SW wind 45 kt. Seas 27 ft. Snow showers. .MON NIGHT...W wind 45 kt. Seas 29 ft. .TUE...SW wind 40 kt. Seas 27 ft. .WED...W wind 35 kt. Seas 27 ft. .THU...W wind 30 kt. Seas 19 ft. $$ PKZ178-180115- Kiska to Attu- 345 AM AKST Sun Dec 17 2017 ...STORM WARNING TODAY... .TODAY...S wind 55 kt. Seas 32 ft. Rain. .TONIGHT...SW wind 35 kt increasing to 45 kt after midnight. Seas 29 ft. Snow showers. .MON...SW wind 45 kt. Seas 32 ft. Snow showers. .MON NIGHT...W wind 45 kt. Seas 32 ft. .TUE...SW wind 40 kt. Seas 27 ft. .WED...W wind 30 kt. Seas 27 ft. .THU...W wind 30 kt. Seas 18 ft. $$ PKZ179-180115- Pribilof Islands Near Shore Waters- 345 AM AKST Sun Dec 17 2017 ...STORM WARNING TONIGHT AND MONDAY... .TODAY...NW wind 30 kt. Seas 13 ft. .TONIGHT...S wind 40 kt increasing to 50 kt after midnight. Seas 13 ft building to 24 ft after midnight. Rain with snow. .MON...S wind 50 kt becoming SW 30 kt in the afternoon. Seas 29 ft. Rain and snow. .MON NIGHT...SW wind 35 kt. Seas 21 ft. .TUE...SW wind 35 kt. Seas 26 ft. .WED THROUGH THU...S wind 30 kt. Seas 26 ft. $$ PKZ180-180115- Kuskokwim Delta and Etolin Strait- 345 AM AKST Sun Dec 17 2017 ...GALE WARNING THROUGH MONDAY... .TODAY...NW wind 35 kt. Seas 13 ft. Freezing spray. .TONIGHT...W wind 25 kt becoming S 40 kt after midnight. Seas 9 ft. Freezing spray. .MON...S wind 45 kt. Seas 14 ft building to 19 ft in the afternoon. Rain and snow. .MON NIGHT...SW wind 40 kt. Seas 18 ft. .TUE...SW wind 35 kt. Seas 16 ft. .WED...S wind 30 kt. Seas 15 ft. .THU...SE wind 30 kt. Seas 15 ft. $$ PKZ181-180115- North and West of Nunivak Island- 345 AM AKST Sun Dec 17 2017 ...GALE WARNING TONIGHT AND MONDAY... .TODAY...NW wind 30 kt. Seas 12 ft. Freezing spray. .TONIGHT...S wind 30 kt becoming SE 45 kt after midnight. Seas 7 ft building to 13 ft after midnight. Freezing spray. Snow. .MON...S wind 45 kt. Seas 21 ft. Rain and snow. .MON NIGHT...SW wind 30 kt. Seas 17 ft. .TUE...SW wind 35 kt. Seas 19 ft. .WED THROUGH THU...SE wind 30 kt. Seas 20 ft. $$ PKZ185-180115- Saint Matthew Island Waters- 345 AM AKST Sun Dec 17 2017 ...STORM WARNING TONIGHT... .TODAY...E of Saint Matthew Island, NW wind 30 kt becoming SW 20 kt in the afternoon. W of Saint Matthew Island, SW wind 25 kt becoming SE 45 kt in the afternoon. Seas 9 ft. Freezing spray. Snow. .TONIGHT...SE wind 45 kt E of Saint Matthew Island... SE 50 kt W of Saint Matthew Island. Seas 24 ft. Freezing spray. Snow and rain. .MON...S wind 45 kt diminishing to 35 kt in the afternoon. Seas 24 ft. Snow with rain. .MON NIGHT...S wind 40 kt. Seas 27 ft. .TUE...SW wind 40 kt. Seas 31 ft. .WED THROUGH THU...SE wind 30 kt. Seas 22 ft. $$
3 follow-up statements
870 FZAK52 PAFC 172353 CWFALU Coastal Waters Forecast National Weather Service Anchorage Alaska 253 PM AKST Sun Dec 17 2017 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. PKZ199-181315- 253 PM AKST Sun Dec 17 2017 .SYNOPSIS FOR SOUTHWEST ALASKA+BRISTOL BAY+THE ALASKA PENINSULA WATERS AND THE ALEUTIAN ISLANDS... A 961 mb low 250 nm north of Attu deepens to 945 mb 415 nm north of Attu Mon morning then shifts to 50 nm west of Gambell at 969 mb for Tue afternoon. The associated fronts sweep the Bering and Aleutians through Tue afternoon. A 983 mb low moves to 415 nm southwest of Attu by Tue afternoon. $$ PKZ150-181315- South of the AK Peninsula Sitkinak to Castle Cape- 253 PM AKST Sun Dec 17 2017 ...GALE WARNING MONDAY NIGHT... .TONIGHT...NW wind 30 kt. Seas 15 ft. .MON...W wind 20 kt becoming SW 30 kt in the afternoon. Seas 10 ft. .MON NIGHT...S wind 35 kt. Seas 14 ft. .TUE...SW wind 35 kt. Seas 16 ft. .TUE NIGHT...SW wind 25 kt. Seas 14 ft. .WED...S wind 25 kt. Seas 10 ft. .THU...SE wind 30 kt. Seas 19 ft. .FRI...SE wind 20 kt. Seas 19 ft. $$ PKZ155-181315- South of the AK Peninsula Castle Cape to Cape Sarichef- 253 PM AKST Sun Dec 17 2017 ...GALE WARNING THROUGH MONDAY NIGHT... .TONIGHT...NW wind 35 kt becoming W 25 kt after midnight. Seas 13 ft. .MON...SW wind 30 kt becoming S 40 kt in the afternoon, Seas 12 ft building to 17 ft in the afternoon. From the Shumagin Islands E, SW wind 30 kt, Seas 10 ft. .MON NIGHT...S wind 40 kt. Seas 23 ft. From the Shumagin Islands E, seas 13 ft building to 18 ft after midnight. .TUE...SW wind 30 kt. Seas 21 ft. .TUE NIGHT...SW wind 25 kt. Seas 15 ft. .WED...S wind 25 kt. Seas 13 ft. .THU...SE wind 25 kt. Seas 17 ft. .FRI...SE wind 20 kt. Seas 17 ft. $$ PKZ160-181315- Bristol Bay- 253 PM AKST Sun Dec 17 2017 ...GALE WARNING MONDAY NIGHT... .TONIGHT...NW wind 25 kt diminishing to 15 kt after midnight. Seas 9 ft. Freezing spray. .MON...S wind 15 kt increasing to 30 kt in the afternoon. Seas 7 ft. .MON NIGHT...S wind 35 kt. Seas 11 ft. Rain. .TUE AND TUE NIGHT...SW wind 30 kt. Seas 12 ft. .WED...S wind 20 kt. Seas 9 ft. .THU...E wind 25 kt. Seas 7 ft. .FRI...SE wind 20 kt. Seas 8 ft. $$ PKZ165-181315- Port Heiden to Cape Sarichef- 253 PM AKST Sun Dec 17 2017 ...GALE WARNING THROUGH MONDAY NIGHT... .TONIGHT...W wind 20 kt becoming S 35 kt after midnight. From Port Moller E, NW wind 25 kt. Seas 12 ft. .MON...S wind 45 kt, Seas 15 ft building to 21 ft in the afternoon. From Port Moller E, S wind 30 kt increasing to 40 kt in the afternoon, Seas 8 ft building to 14 ft in the afternoon. .MON NIGHT...S wind 40 kt diminishing to 30 kt after midnight. Seas 20 ft. Rain. .TUE...SW wind 35 kt. Seas 19 ft. .TUE NIGHT...SW wind 30 kt. Seas 19 ft. .WED THROUGH THU...SE wind 25 kt. Seas 14 ft. .FRI...SE wind 15 kt. Seas 11 ft. $$ PKZ170-181315- Cape Sarichef to Nikolski Bering Side- 253 PM AKST Sun Dec 17 2017 ...STORM WARNING MONDAY... .TONIGHT...S wind 35 kt increasing to 45 kt after midnight. Seas 10 ft building to 15 ft after midnight. .MON...S wind 50 kt. Seas 23 ft. Rain. .MON NIGHT...SW wind 35 kt. Seas 20 ft. and rain. .TUE...SW wind 35 kt. Seas 22 ft. .TUE NIGHT...SW wind 30 kt. Seas 22 ft. .WED...S wind 35 kt. Seas 17 ft. .THU...S wind 30 kt. Seas 16 ft. .FRI...SW wind 15 kt. Seas 11 ft. $$ PKZ171-181315- Unalaska Bay- 253 PM AKST Sun Dec 17 2017 ...GALE WARNING MONDAY... .TONIGHT...S wind 15 kt increasing to 30 kt after midnight. Seas 3 ft building to 5 ft after midnight. .MON...S wind 35 kt. Seas 5 ft. Rain. .MON NIGHT...SW wind 25 kt. Seas 4 ft. Rain. .TUE...SW wind 25 kt. Seas 4 ft. .TUE NIGHT...SW wind 20 kt. Seas 3 ft. .WED...S wind 25 kt. Seas 3 ft. .THU...S wind 20 kt. Seas 3 ft. .FRI...Variable wind less than 10 kt. Seas 2 ft. $$ PKZ172-181315- Cape Sarichef to Nikolski Pacific Side- 253 PM AKST Sun Dec 17 2017 ...GALE WARNING THROUGH MONDAY NIGHT... .TONIGHT...SW wind 25 kt becoming S 40 kt after midnight. Seas 9 ft building to 14 ft after midnight. .MON...S wind 45 kt. Seas 20 ft building to 27 ft in the afternoon. Rain. .MON NIGHT...SW wind 45 kt diminishing to 30 kt after midnight. Seas 27 ft. Rain. .TUE...SW wind 30 kt. Seas 20 ft. .TUE NIGHT...SW wind 25 kt. Seas 17 ft. .WED...S wind 35 kt. Seas 19 ft. .THU...S wind 25 kt. Seas 19 ft. .FRI...W wind 15 kt. Seas 13 ft. $$ PKZ173-181315- Nikloski to Seguam Island Bering Side- 253 PM AKST Sun Dec 17 2017 ...STORM WARNING THROUGH MONDAY... .TONIGHT...S wind 40 kt increasing to 50 kt after midnight. Seas 15 ft building to 21 ft after midnight. Rain. .MON...S wind 50 kt becoming SW 40 kt in the afternoon. Seas 25 ft. Rain. .MON NIGHT...SW wind 40 kt. Seas 21 ft. .TUE...SW wind 35 kt. Seas 24 ft. .TUE NIGHT...SW wind 30 kt. Seas 22 ft. .WED...S wind 40 kt. Seas 22 ft. .THU...W wind 25 kt. Seas 16 ft. .FRI...W wind 15 kt. Seas 10 ft. $$ PKZ174-181315- Nikolski to Seguam Island Pacific Side- 253 PM AKST Sun Dec 17 2017 ...STORM WARNING THROUGH MONDAY... .TONIGHT...S wind 40 kt increasing to 50 kt after midnight. Seas 15 ft building to 21 ft after midnight. .MON...S wind 50 kt diminishing to 40 kt in the afternoon. Seas 31 ft. Rain. .MON NIGHT...W wind 30 kt. Seas 26 ft. .TUE AND TUE NIGHT...SW wind 30 kt. Seas 20 ft. .WED...S wind 40 kt. Seas 27 ft. .THU...W wind 20 kt. Seas 20 ft. .FRI...W wind 15 kt. Seas 14 ft. $$ PKZ175-181315- Seguam Island to Adak Bering Side- 253 PM AKST Sun Dec 17 2017 ...STORM WARNING TONIGHT... .TONIGHT...S wind 50 kt. Seas 22 ft. Rain. .MON...SW wind 45 kt. Seas 19 ft. Rain. .MON NIGHT...SW wind 40 kt. Seas 25 ft. .TUE...W wind 35 kt. Seas 25 ft. .TUE NIGHT...SW wind 40 kt. Seas 21 ft. .WED...SW wind 45 kt. Seas 22 ft. .THU...W wind 20 kt. Seas 16 ft. .FRI...W wind 15 kt. Seas 8 ft. $$ PKZ176-181315- Seguam Island to Adak Pacific Side- 253 PM AKST Sun Dec 17 2017 ...STORM WARNING THROUGH MONDAY... .TONIGHT...S wind 50 kt. Seas 24 ft building to 32 ft after midnight. Rain. .MON...SW wind 50 kt becoming W 35 kt in the afternoon. Seas 32 ft. Rain. .MON NIGHT...SW wind 35 kt. Seas 24 ft. .TUE...W wind 30 kt. Seas 23 ft. .TUE NIGHT...SW wind 40 kt. Seas 18 ft. .WED...SW wind 45 kt. Seas 27 ft. .THU...W wind 25 kt. Seas 20 ft. .FRI...W wind 20 kt. Seas 12 ft. $$ PKZ177-181315- Adak to Kiska- 253 PM AKST Sun Dec 17 2017 ...STORM WARNING TONIGHT... .TONIGHT...S wind 50 kt diminishing to 35 kt after midnight. Seas 27 ft Bering side...31 ft Pacific side. Rain. .MON...SW wind 45 kt. Seas 26 ft. Snow showers. .MON NIGHT...W wind 45 kt. Seas 29 ft. Snow showers. .TUE...W wind 35 kt. Seas 25 ft. .TUE NIGHT...S wind 45 kt. Seas 29 ft. .WED...W wind 45 kt. Seas 30 ft. .THU...W wind 30 kt. Seas 19 ft. .FRI...W wind 15 kt. Seas 10 ft. $$ PKZ178-181315- Kiska to Attu- 253 PM AKST Sun Dec 17 2017 ...GALE WARNING THROUGH MONDAY NIGHT... .TONIGHT...SW wind 40 kt. Seas 27 ft. Snow showers. .MON...SW wind 45 kt. Seas 31 ft. Freezing spray. Snow showers. .MON NIGHT...W wind 45 kt. Seas 32 ft. Freezing spray. Snow showers. .TUE...SW wind 40 kt. Seas 27 ft. .TUE NIGHT...SW wind 45 kt. Seas 29 ft. .WED...W wind 30 kt. Seas 26 ft. .THU...W wind 30 kt. Seas 18 ft. .FRI...W wind 15 kt. Seas 10 ft. $$ PKZ179-181315- Pribilof Islands Near Shore Waters- 253 PM AKST Sun Dec 17 2017 ...STORM WARNING MONDAY... .TONIGHT...S wind 20 kt increasing to 45 kt after midnight. Seas 12 ft building to 23 ft after midnight. Rain. .MON...S wind 50 kt becoming SW 30 kt in the afternoon. Seas 28 ft. Rain. .MON NIGHT...SW wind 30 kt increasing to 40 kt after midnight. Seas 22 ft. .TUE...SW wind 40 kt. Seas 25 ft. .TUE NIGHT...SW wind 30 kt. Seas 25 ft. .WED...S wind 35 kt. Seas 27 ft. .THU...S wind 30 kt. Seas 25 ft. .FRI...SW wind 15 kt. Seas 9 ft. $$ PKZ180-181315- Kuskokwim Delta and Etolin Strait- 253 PM AKST Sun Dec 17 2017 ...GALE WARNING THROUGH MONDAY NIGHT... .TONIGHT...W wind 25 kt becoming S 40 kt after midnight. Seas 9 ft. Rain. .MON...S wind 45 kt. Seas 13 ft building to 19 ft in the afternoon. Rain. .MON NIGHT...S wind 40 kt becoming SW 30 kt after midnight. Seas 18 ft. Rain. .TUE...SW wind 35 kt. Seas 17 ft. .TUE NIGHT...SW wind 30 kt. Seas 16 ft. .WED...S wind 30 kt. Seas 15 ft. .THU...SE wind 30 kt. Seas 15 ft. .FRI...SE wind 20 kt. Seas 11 ft. $$ PKZ181-181315- North and West of Nunivak Island- 253 PM AKST Sun Dec 17 2017 ...GALE WARNING THROUGH MONDAY... .TONIGHT...W wind 20 kt becoming SE 45 kt after midnight. Seas 6 ft building to 12 ft after midnight. Snow and rain. .MON...S wind 45 kt. Seas 21 ft. Rain and snow. .MON NIGHT...SW wind 30 kt. Seas 16 ft. .TUE AND TUE NIGHT...SW wind 35 kt. Seas 19 ft. .WED...S wind 35 kt. Seas 20 ft. .THU...SE wind 30 kt. Seas 20 ft. .FRI...SE wind 15 kt. Seas 9 ft. $$ PKZ185-181315- Saint Matthew Island Waters- 253 PM AKST Sun Dec 17 2017 ...GALE WARNING THROUGH MONDAY NIGHT... .TONIGHT...Wind SE wind 45 kt. Seas 24 ft. Rain and snow. .MON...S wind 45 kt E of Saint Matthew Island...S 35 kt W of Saint Matthew Island. Seas 23 ft. Rain. .MON NIGHT...S wind 40 kt. Seas 27 ft. .TUE...SW wind 40 kt. Seas 31 ft. .TUE NIGHT...SW wind 35 kt. Seas 26 ft. .WED...S wind 35 kt. Seas 27 ft. .THU...SE wind 30 kt. Seas 22 ft. .FRI...S wind 15 kt. Seas 11 ft. $$
011 FZAK52 PAFC 181227 CWFALU Coastal Waters Forecast National Weather Service Anchorage Alaska 327 AM AKST Mon Dec 18 2017 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. PKZ199-190115- 327 AM AKST Mon Dec 18 2017 .SYNOPSIS FOR SOUTHWEST ALASKA+BRISTOL BAY+THE ALASKA PENINSULA WATERS AND THE ALEUTIAN ISLANDS... A 946 mb low 380 nm northwest of Shemya will move to the northern Bering Tue morning. An associated strong front in the central Aleutians will move over the eastern Aleutians and dissipate by Tue afternoon. A 992 mb low will move to 80 nm west of Shemya Tue morning, then move to 160 nm northeast of Shemya at 976 mb Wed morning. $$ PKZ150-190115- South of the AK Peninsula Sitkinak to Castle Cape- 327 AM AKST Mon Dec 18 2017 ...GALE WARNING TONIGHT AND TUESDAY... .TODAY...W wind 20 kt becoming SW 30 kt by late morning. Seas 10 ft. .TONIGHT...S wind 35 kt. Seas 14 ft. .TUE...SW wind 35 kt diminishing to 25 kt in the afternoon. Seas 16 ft. .TUE NIGHT...SW wind 25 kt. Seas 14 ft. .WED...S wind 25 kt. Seas 10 ft. .THU THROUGH FRI...SE wind 40 kt. Seas 29 ft. $$ PKZ155-190115- South of the AK Peninsula Castle Cape to Cape Sarichef- 327 AM AKST Mon Dec 18 2017 ...GALE WARNING THROUGH TUESDAY... .TODAY...SW wind 30 kt becoming S 40 kt in the afternoon. Seas 12 ft building to 17 ft in the afternoon. From the Shumagin Islands E, SW wind 30 kt, Seas 10 ft. .TONIGHT...S wind 40 kt. Seas 23 ft. From the Shumagin Islands E, seas 13 ft building to 18 ft after midnight. Rain showers. .TUE...SW wind 25 kt. From the Shumagin Islands E, SW wind 35 kt diminishing to 25 kt in the afternoon. Seas 21 ft. .TUE NIGHT...SW wind 25 kt. Seas 15 ft. .WED...S wind 25 kt. Seas 13 ft. .THU...E wind 40 kt. Seas 26 ft. .FRI...SE wind 30 kt. Seas 26 ft. $$ PKZ160-190115- Bristol Bay- 327 AM AKST Mon Dec 18 2017 ...GALE WARNING TONIGHT... .TODAY...S wind 30 kt. Seas 8 ft. .TONIGHT...S wind 35 kt. Seas 11 ft. Rain. .TUE...SW wind 30 kt. Seas 11 ft. .TUE NIGHT...SW wind 30 kt. Seas 12 ft. .WED...S wind 20 kt. Seas 9 ft. .THU THROUGH FRI...E wind 40 kt. Seas 12 ft. $$ PKZ165-190115- Port Heiden to Cape Sarichef- 327 AM AKST Mon Dec 18 2017 ...GALE WARNING THROUGH TUESDAY... .TODAY...S wind 30 kt increasing to 45 kt by mid morning. Seas 15 ft building to 21 ft in the afternoon. From Port Moller E, S wind 30 kt increasing to 40 kt in the afternoon. Seas 8 ft building to 14 ft in the afternoon. Rain. .TONIGHT...S wind 40 kt. Seas 20 ft. Rain. .TUE...SW wind 35 kt. Seas 19 ft. .TUE NIGHT...SW wind 30 kt. Seas 19 ft. .WED...S wind 30 kt. Seas 15 ft. .THU THROUGH FRI...SE wind 40 kt. Seas 13 ft. $$ PKZ170-190115- Cape Sarichef to Nikolski Bering Side- 327 AM AKST Mon Dec 18 2017 ...STORM WARNING TODAY... .TODAY...S wind 50 kt. Seas 23 ft. Rain. .TONIGHT...SW wind 35 kt. Seas 20 ft. and rain. .TUE...SW wind 35 kt. Seas 22 ft. .TUE NIGHT...SW wind 30 kt. Seas 22 ft. .WED...S wind 35 kt. Seas 19 ft. .THU...E wind 30 kt. Seas 15 ft. .FRI...W wind 20 kt. Seas 16 ft. $$ PKZ171-190115- Unalaska Bay- 327 AM AKST Mon Dec 18 2017 ...GALE WARNING TODAY... .TODAY...S wind 35 kt. Seas 5 ft. Rain. .TONIGHT...SW wind 25 kt. Seas 4 ft. Rain. .TUE...SW wind 25 kt. Seas 4 ft. .TUE NIGHT...SW wind 20 kt. Seas 3 ft. .WED...S wind 25 kt. Seas 4 ft. .THU...E wind 20 kt. Seas 3 ft. .FRI...W wind 10 kt. Seas 3 ft. $$ PKZ172-190115- Cape Sarichef to Nikolski Pacific Side- 327 AM AKST Mon Dec 18 2017 ...GALE WARNING THROUGH TONIGHT... .TODAY...S wind 45 kt. Seas 20 ft building to 27 ft in the afternoon. Rain. .TONIGHT...SW wind 45 kt diminishing to 30 kt after midnight. Seas 27 ft. Rain. .TUE...SW wind 30 kt. Seas 20 ft. .TUE NIGHT...SW wind 25 kt. Seas 17 ft. .WED...S wind 30 kt. Seas 18 ft. .THU...E wind 30 kt. Seas 17 ft. .FRI...NW wind 25 kt. Seas 18 ft. $$ PKZ173-190115- Nikloski to Seguam Island Bering Side- 327 AM AKST Mon Dec 18 2017 ...STORM WARNING TODAY... .TODAY...S wind 50 kt becoming SW 40 kt in the afternoon. Seas 25 ft. Rain. .TONIGHT...SW wind 40 kt. Seas 21 ft. .TUE...SW wind 35 kt. Seas 24 ft. .TUE NIGHT...SW wind 30 kt. Seas 22 ft. .WED...S wind 40 kt. Seas 21 ft. .THU THROUGH FRI...NW wind 25 kt. Seas 16 ft. $$ PKZ174-190115- Nikolski to Seguam Island Pacific Side- 327 AM AKST Mon Dec 18 2017 ...STORM WARNING TODAY... .TODAY...S wind 50 kt becoming SW 40 kt in the afternoon. Seas 31 ft. Rain. .TONIGHT...W wind 30 kt. Seas 26 ft. .TUE...SW wind 30 kt. Seas 22 ft. .TUE NIGHT...SW wind 30 kt. Seas 18 ft. .WED...S wind 40 kt. Seas 24 ft. .THU THROUGH FRI...NW wind 30 kt. Seas 19 ft. $$ PKZ175-190115- Seguam Island to Adak Bering Side- 327 AM AKST Mon Dec 18 2017 ...GALE WARNING THROUGH TUESDAY... .TODAY...SW wind 45 kt. Seas 19 ft. Rain. .TONIGHT...SW wind 40 kt. Seas 25 ft. Snow showers. .TUE...W wind 35 kt. Seas 25 ft. .TUE NIGHT...SW wind 40 kt. Seas 21 ft. .WED...SW wind 45 kt. Seas 22 ft. .THU THROUGH FRI...NW wind 25 kt. Seas 16 ft. $$ PKZ176-190115- Seguam Island to Adak Pacific Side- 327 AM AKST Mon Dec 18 2017 ...STORM WARNING TODAY... .TODAY...SW wind 50 kt becoming W 35 kt in the afternoon. Seas 32 ft. Rain. .TONIGHT...SW wind 35 kt. Seas 24 ft. Snow showers. .TUE...W wind 30 kt. Seas 23 ft. .TUE NIGHT...SW wind 40 kt. Seas 18 ft. .WED...SW wind 45 kt. Seas 27 ft. .THU THROUGH FRI...NW wind 30 kt. Seas 19 ft. $$ PKZ177-190115- Adak to Kiska- 327 AM AKST Mon Dec 18 2017 ...GALE WARNING THROUGH TUESDAY... .TODAY...SW wind 45 kt. Seas 26 ft. Snow showers. .TONIGHT...W wind 45 kt. Seas 29 ft. Snow showers. .TUE...W wind 35 kt. Seas 25 ft. .TUE NIGHT...S wind 45 kt. Seas 29 ft. .WED...W wind 45 kt. Seas 30 ft. .THU...W wind 25 kt. Seas 22 ft. .FRI...W wind 25 kt. Seas 13 ft. $$ PKZ178-190115- Kiska to Attu- 327 AM AKST Mon Dec 18 2017 ...GALE WARNING THROUGH TUESDAY... .TODAY...SW wind 45 kt. Seas 31 ft. Snow showers. .TONIGHT...W wind 45 kt. Seas 32 ft. Snow showers. .TUE...W wind 40 kt. Seas 27 ft. Snow. .TUE NIGHT...SW wind 45 kt. Seas 29 ft. .WED THROUGH THU...W wind 30 kt. Seas 25 ft. .FRI...W wind 20 kt. Seas 15 ft. $$ PKZ179-190115- Pribilof Islands Near Shore Waters- 327 AM AKST Mon Dec 18 2017 ...STORM WARNING TODAY... .TODAY...S wind 50 kt becoming SW 40 kt in the afternoon. Seas 28 ft. Rain. .TONIGHT...SW wind 40 kt. Seas 22 ft. Snow showers. .TUE...SW wind 40 kt. Seas 25 ft. .TUE NIGHT...SW wind 30 kt. Seas 25 ft. .WED...S wind 35 kt. Seas 30 ft. .THU...SE wind 30 kt. Seas 22 ft. .FRI...W wind 15 kt. Seas 14 ft. $$ PKZ180-190115- Kuskokwim Delta and Etolin Strait- 327 AM AKST Mon Dec 18 2017 ...GALE WARNING THROUGH TUESDAY... .TODAY...S wind 45 kt. Seas 13 ft building to 19 ft in the afternoon. Rain. .TONIGHT...S wind 40 kt becoming SW 30 kt after midnight. Seas 18 ft. Rain. .TUE...SW wind 35 kt. Seas 17 ft. .TUE NIGHT...SW wind 30 kt. Seas 16 ft. .WED...S wind 30 kt. Seas 17 ft. .THU THROUGH FRI...SE wind 40 kt. Seas 17 ft. $$ PKZ181-190115- North and West of Nunivak Island- 327 AM AKST Mon Dec 18 2017 ...GALE WARNING TODAY AND TUESDAY... .TODAY...S wind 45 kt. Seas 21 ft. Rain and snow. .TONIGHT...SW wind 30 kt. Seas 16 ft. Snow. .TUE...S wind 35 kt. Seas 19 ft. .TUE NIGHT...SW wind 35 kt. Seas 18 ft. .WED THROUGH THU...SE wind 35 kt. Seas 22 ft. .FRI...SE wind 35 kt. Seas 16 ft. $$ PKZ185-190115- Saint Matthew Island Waters- 327 AM AKST Mon Dec 18 2017 ...GALE WARNING THROUGH TUESDAY... .TODAY...S wind 45 kt E of Saint Matthew Island...S 35 kt W of Saint Matthew Island. Seas 23 ft. Rain. .TONIGHT...S wind 40 kt. Seas 27 ft. .TUE...SW wind 40 kt. Seas 31 ft. .TUE NIGHT...SW wind 35 kt. Seas 26 ft. .WED...S wind 35 kt. Seas 27 ft. .THU...SE wind 30 kt. Seas 22 ft. .FRI...E wind 25 kt. Seas 15 ft. $$
462 FZAK52 PAFC 190036 CWFALU Coastal Waters Forecast National Weather Service Anchorage Alaska 336 PM AKST Mon Dec 18 2017 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. PKZ199-191300- 336 PM AKST Mon Dec 18 2017 .SYNOPSIS FOR SOUTHWEST ALASKA+BRISTOL BAY+THE ALASKA PENINSULA WATERS AND THE ALEUTIAN ISLANDS... A 946 mb low at 59N 172E sweeps into the Chukchi Sea for Wed morning. The associated front moves into Mainland Alaska Tue morning. A pair of North Pacific lows merge near 53N 179E at 984 mb Wed morning and shifts to 60N 176W at 969 mb Wed afternoon. Its associated front moves to the Central Aleutians by Wed afternoon. $$ PKZ150-191300- South of the AK Peninsula Sitkinak to Castle Cape- 336 PM AKST Mon Dec 18 2017 ...GALE WARNING TONIGHT AND TUESDAY... .TONIGHT...S wind 35 kt. Seas 14 ft. .TUE...SW wind 35 kt diminishing to 25 kt in the afternoon. Seas 15 ft. .TUE NIGHT...SW wind 20 kt. Seas 14 ft. .WED...SW wind 15 kt. Seas 10 ft. .WED NIGHT...SE wind 30 kt. Seas 10 ft. .THU...E wind 45 kt. Seas 29 ft. .FRI...SE wind 40 kt. Seas 29 ft. .SAT...SE wind 25 kt. Seas 21 ft. $$ PKZ155-191300- South of the AK Peninsula Castle Cape to Cape Sarichef- 336 PM AKST Mon Dec 18 2017 ...GALE WARNING TONIGHT... .TONIGHT...S wind 40 kt. Seas 23 ft. From the Shumagin Islands E, seas 13 ft building to 18 ft after midnight. Rain showers. .TUE...SW wind 30 kt. Seas 20 ft. .TUE NIGHT...SW wind 25 kt. Seas 15 ft. .WED...S wind 25 kt. Seas 12 ft. .WED NIGHT...SE wind 30 kt. Seas 12 ft. .THU...E wind 45 kt. Seas 26 ft. .FRI...SE wind 30 kt. Seas 26 ft. .SAT...SE wind 20 kt. Seas 17 ft. $$ PKZ160-191300- Bristol Bay- 336 PM AKST Mon Dec 18 2017 ...GALE WARNING TONIGHT... .TONIGHT...S wind 35 kt. Seas 11 ft. Rain showers. .TUE...SW wind 30 kt. Seas 10 ft. .TUE NIGHT...SW wind 30 kt. Seas 11 ft. .WED...S wind 25 kt. Seas 9 ft. .WED NIGHT...SE wind 35 kt. Seas 8 ft. .THU...E wind 50 kt. Seas 12 ft. .FRI...E wind 40 kt. Seas 12 ft. .SAT...E wind 25 kt. Seas 7 ft. $$ PKZ165-191300- Port Heiden to Cape Sarichef- 336 PM AKST Mon Dec 18 2017 ...GALE WARNING THROUGH TUESDAY... .TONIGHT...S wind 40 kt diminishing to 30 kt after midnight. Seas 20 ft subsiding to 15 ft after midnight. Rain showers. .TUE...SW wind 35 kt. Seas 19 ft. .TUE NIGHT...SW wind 30 kt. Seas 18 ft. .WED AND WED NIGHT...SE wind 35 kt. Seas 15 ft. .THU THROUGH FRI...SE wind 40 kt. Seas 13 ft. .SAT...E wind 20 kt. Seas 10 ft. $$ PKZ170-191300- Cape Sarichef to Nikolski Bering Side- 336 PM AKST Mon Dec 18 2017 ...GALE WARNING THROUGH TUESDAY NIGHT... .TONIGHT...SW wind 40 kt. Seas 19 ft. .TUE...SW wind 35 kt. Seas 22 ft. .TUE NIGHT...S wind 35 kt. Seas 21 ft. .WED...S wind 45 kt. Seas 19 ft. .WED NIGHT...SE wind 35 kt. Seas 18 ft. .THU...E wind 35 kt. Seas 13 ft. .FRI THROUGH SAT...NW wind 20 kt. Seas 15 ft. $$ PKZ171-191300- Unalaska Bay- 336 PM AKST Mon Dec 18 2017 ...GALE WARNING TONIGHT... .TONIGHT...SW wind 35 kt diminishing to 25 kt after midnight. Seas 4 ft. Rain showers. .TUE...SW wind 25 kt. Seas 4 ft. .TUE NIGHT...S wind 20 kt. Seas 2 ft. .WED AND WED NIGHT...SE wind 30 kt. Seas 5 ft. .THU...E wind 30 kt. Seas 5 ft. .FRI THROUGH SAT...NW wind 10 kt. Seas 3 ft. $$ PKZ172-191300- Cape Sarichef to Nikolski Pacific Side- 336 PM AKST Mon Dec 18 2017 ...GALE WARNING TONIGHT... .TONIGHT...SW wind 45 kt diminishing to 30 kt after midnight. Seas 27 ft. Rain. .TUE...SW wind 30 kt. Seas 20 ft. .TUE NIGHT...SW wind 25 kt. Seas 16 ft. .WED...S wind 35 kt. Seas 14 ft. .WED NIGHT...SE wind 30 kt. Seas 18 ft. .THU...E wind 30 kt. Seas 18 ft. .FRI...NW wind 25 kt. Seas 18 ft. .SAT...NW wind 20 kt. Seas 12 ft. $$ PKZ173-191300- Nikloski to Seguam Island Bering Side- 336 PM AKST Mon Dec 18 2017 ...GALE WARNING THROUGH TUESDAY NIGHT... .TONIGHT...SW wind 40 kt. Seas 22 ft. .TUE...SW wind 40 kt diminishing to 30 kt in the afternoon. Seas 24 ft. .TUE NIGHT...SW wind 30 kt becoming S 40 kt after midnight. Seas 21 ft. .WED...S wind 50 kt. Seas 23 ft. .WED NIGHT...SE wind 35 kt. Seas 20 ft. .THU...W wind 35 kt. Seas 15 ft. .FRI...NW wind 25 kt. Seas 17 ft. .SAT...NW wind 20 kt. Seas 14 ft. $$ PKZ174-191300- Nikolski to Seguam Island Pacific Side- 336 PM AKST Mon Dec 18 2017 ...GALE WARNING TONIGHT AND TUESDAY NIGHT... .TONIGHT...SW wind 35 kt. Seas 25 ft. .TUE...SW wind 30 kt. Seas 21 ft. .TUE NIGHT...SW wind 25 kt becoming S 35 kt after midnight. Seas 18 ft. .WED...S wind 45 kt. Seas 23 ft. .WED NIGHT...SE wind 35 kt. Seas 24 ft. .THU...NW wind 35 kt. Seas 19 ft. .FRI...NW wind 30 kt. Seas 19 ft. .SAT...NW wind 20 kt. Seas 15 ft. $$ PKZ175-191300- Seguam Island to Adak Bering Side- 336 PM AKST Mon Dec 18 2017 ...STORM WARNING TUESDAY NIGHT... .TONIGHT...SW wind 30 kt increasing to 40 kt after midnight. Seas 25 ft. .TUE...W wind 40 kt. Seas 25 ft. .TUE NIGHT...SW wind 45 kt becoming S 55 kt after midnight. Seas 21 ft. .WED...SW wind 60 kt. Seas 24 ft. .WED NIGHT...NW wind 35 kt. Seas 15 ft. .THU...NW wind 35 kt. Seas 15 ft. .FRI...NW wind 25 kt. Seas 16 ft. .SAT...NW wind 15 kt. Seas 14 ft. $$ PKZ176-191300- Seguam Island to Adak Pacific Side- 336 PM AKST Mon Dec 18 2017 ...STORM WARNING TUESDAY NIGHT... .TONIGHT...SW wind 35 kt. Seas 24 ft. .TUE...W wind 30 kt. Seas 23 ft. .TUE NIGHT...SW wind 35 kt becoming S 55 kt after midnight. Seas 17 ft building to 23 ft after midnight. .WED...S wind 55 kt. Seas 30 ft. .WED NIGHT...NW wind 35 kt. Seas 26 ft. .THU...NW wind 35 kt. Seas 20 ft. .FRI...NW wind 30 kt. Seas 18 ft. .SAT...NW wind 15 kt. Seas 16 ft. $$ PKZ177-191300- Adak to Kiska- 336 PM AKST Mon Dec 18 2017 ...STORM WARNING TUESDAY NIGHT... .TONIGHT...SW wind 45 kt. Seas 28 ft. .TUE...SW wind 45 kt. Seas 25 ft. .TUE NIGHT...S wind 50 kt increasing to 60 kt after midnight. Seas 29 ft. Rain showers. .WED...W wind 55 kt. Seas 28 ft. .WED NIGHT...W wind 30 kt. Seas 18 ft. .THU...NW wind 45 kt. Seas 20 ft. .FRI...W wind 25 kt. Seas 13 ft. .SAT...NW wind 20 kt. Seas 16 ft. $$ PKZ178-191300- Kiska to Attu- 336 PM AKST Mon Dec 18 2017 ...STORM WARNING TUESDAY AND TUESDAY NIGHT... .TONIGHT...W wind 45 kt. Seas 31 ft. .TUE...SW wind 35 kt increasing to 50 kt in the afternoon. Seas 26 ft. and rain showers. .TUE NIGHT...W wind 50 kt becoming NW 30 kt after midnight. Seas 26 ft subsiding to 20 ft after midnight. Rain showers. .WED...W wind 40 kt. Seas 18 ft. .WED NIGHT...W wind 45 kt. Seas 22 ft. .THU...W wind 45 kt. Seas 20 ft. .FRI THROUGH SAT...NW wind 20 kt. Seas 15 ft. $$ PKZ179-191300- Pribilof Islands Near Shore Waters- 336 PM AKST Mon Dec 18 2017 ...GALE WARNING THROUGH TUESDAY NIGHT... .TONIGHT...SW wind 30 kt increasing to 40 kt after midnight. Seas 23 ft. .TUE...SW wind 40 kt. Seas 25 ft. .TUE NIGHT...SW wind 30 kt becoming S 45 kt after midnight. Seas 24 ft. .WED...S wind 55 kt. Seas 29 ft. .WED NIGHT...S wind 45 kt. Seas 27 ft. .THU...SE wind 30 kt. Seas 19 ft. .FRI...W wind 15 kt. Seas 14 ft. .SAT...Variable wind 10 kt. Seas 13 ft. $$ PKZ180-191300- Kuskokwim Delta and Etolin Strait- 336 PM AKST Mon Dec 18 2017 ...GALE WARNING THROUGH TUESDAY NIGHT... .TONIGHT...S wind 40 kt. Seas 18 ft. Rain. .TUE...SW wind 35 kt. Seas 16 ft. .TUE NIGHT...SW wind 30 kt increasing to 40 kt after midnight. Seas 17 ft. .WED AND WED NIGHT...S wind 45 kt. Seas 18 ft. .THU...SE wind 45 kt. Seas 17 ft. .FRI...SE wind 40 kt. Seas 17 ft. .SAT...E wind 20 kt. Seas 10 ft. $$ PKZ181-191300- North and West of Nunivak Island- 336 PM AKST Mon Dec 18 2017 ...GALE WARNING TUESDAY AND TUESDAY NIGHT... .TONIGHT...SW wind 30 kt. Seas 16 ft. Rain showers. .TUE...SW wind 40 kt. Seas 19 ft. .TUE NIGHT...SW wind 35 kt becoming S 45 kt after midnight. Seas 18 ft. .WED...S wind 50 kt. Seas 23 ft. .WED NIGHT...S wind 55 kt. Seas 24 ft. .THU THROUGH FRI...SE wind 35 kt. Seas 17 ft. .SAT...SE wind 20 kt. Seas 10 ft. $$ PKZ185-191300- Saint Matthew Island Waters- 336 PM AKST Mon Dec 18 2017 ...GALE WARNING THROUGH TUESDAY NIGHT... .TONIGHT...S wind 35 kt E of Saint Matthew Island...S 45 kt W of Saint Matthew Island. Seas 31 ft. .TUE...SW wind 40 kt E of Saint Matthew Island... SW 45 kt W of Saint Matthew Island. Seas 32 ft. .TUE NIGHT...S wind 45 kt. Seas 27 ft subsiding to 21 ft after midnight. .WED AND WED NIGHT...SW wind 55 kt. Seas 27 ft. .THU...E wind 30 kt. Seas 16 ft. .FRI...E wind 25 kt. Seas 15 ft. .SAT...NE wind 15 kt. Seas 13 ft. $$
What forecasters said that day
The local office's own words before this storm warning 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 storm warning went out at Dec 16, 4:10 PM AKST, 11 hours 35 minutes earlier.
Area forecast discussion, Dec 16, 4:10 PM AKST, 11 hours 35 minutes before
Southcentral and Southwest Alaska Forecast Discussion National Weather Service Anchorage AK 410 PM AKST Sat Dec 16 2017 .ANALYSIS AND UPPER LEVELS... A broad upper low stretching from the Bering Sea to the eastern border of Alaska continues to dominate the regional upper air pattern. The main upper low center remains over the eastern Bering Sea with a series of weak embedded shortwave troughs in southwest flow tracking toward the North Gulf Coast. One of these is clearly visible on satellite imagery with an associated deformation band moving into Prince William Sound. Behind this shortwave, there is an extensive region of post-frontal unstable air, clearly evident in satellite imagery with a large region of convective cumulus. Some lightning has been observed on the GOES lightning detector in this unstable air mass, including over Kodiak Island. Finally, a powerful low is beginning to develop just south of the Kamchatka Peninsula. This low will become a major weather "player" over the next few days as the storm force front moves across the Bering Sea. && .MODEL DISCUSSION... The numerical weather models are in excellent agreement with the general synoptic pattern for the next 4 days with little to no discrepancy. All the models are progging a powerful storm force front expected to cross the Bering Sea then move inland across Southwest Alaska Monday and into Southcentral Tuesday. Agreement is very good and all the models are depicting a similar scenario with the exception of the ECMWF which shows more overrunning snow across parts of Southcentral Tuesday. For now, a more "moderate" approach will be favored since the GFS/NAM are depicting a stronger cross-barrier gradient which would act to limit some inland snow amounts for select. && .AVIATION... PANC...VFR conditions are expected to prevail through most of the TAF period in a showery southwest flow regime, however occasional MVFR conditions will remain possible, although unlikely, through early Sunday morning before shower threats end. && .SHORT TERM FORECAST SOUTHCENTRAL ALASKA (Days 1 and 2)... Snow and rain showers will persist over the coastal areas tonight as a shortwave embedded within the base of an upper level low to the west sweeps through the Northern Gulf/Prince William Sound area. Precipitation should stay mostly to the east of the Chugach Front this evening, though a few stray snow showers may make it into Anchorage and the Mat-Valley. Showers will taper off some overnight before a surface low moves into the gulf tomorrow bringing another round of precipitation to the coastal areas during the day. Cold air will wrap around the backside of the low which should help keep temperatures cool enough for the precipitation to stay as mostly snow. The surface low will weaken and move off to the east allowing a ridge of high pressure to build in over the area by Monday. Fog could develop over the Cook Inlet area, including Anchorage and the Mat Valley, on Sunday night/Monday morning as the ridge axis moves overhead, allowing strong subsidence to combine with clearing skies and cold surface temperatures. Areas without fog on Monday will see mostly clear skies though temperatures will be noticeably cooler than the previous weeks, though around average for this time of year. && .SHORT TERM FORECAST SOUTHWEST ALASKA (Days 1 and 2)... The eastern Bering low will track south along the southwest Alaska coastline tonight before being absorbed into the low forming in the western Gulf Sunday morning. As it passes, it will bring light snow showers to southwest Alaska. Ridging will then build in over the area on Sunday clearing out the showers and also helping with fog formation over the area Sunday night. && .SHORT TERM FORECAST BERING SEA/ALEUTIANS (Days 1 and 2)... Ridging is building in over the western Bering and tracking east which will help to diminish the remaining showers over the eastern Aleutians and Alaska Peninsula. Behind the ridging a new system will deepen in the far western Bering to sub 960 mb. The front with this system will move over the central Aleutians Sunday afternoon bringing storm force winds as it passes. It will then make it to the eastern Bering by Monday morning as the winds begin to slowly diminish. This system will pull up enough warm air from the south for the majority of the precip with the front to fall as rain. Behind the front, cold air will move back in bringing snow showers in its wake. && .LONG TERM FORECAST (Days Tuesday through Saturday)... On Tuesday, all of southern Alaska will be under the influence of a weakening weather front moving from west to east. In general, a front oriented southwest to northeast should not cause too much downsloping, so the usually drier areas have a pretty good chance of seeing some precipitation from this storm. Most coastal areas will probably warm up enough to see rainfall, but from Anchorage northward the airmass might just be cold enough for a few inches of snow at lower elevations. Details are uncertain, so stay tuned. We are more confident that the northern Susitna Valley and Hatcher Pass areas should see some significant accumulations of snow from this storm. For the 2nd half of next week, models continue to indicate the resurgence of a strong ridge over the eastern Gulf, that produced deep-layer (and warm) southerly flow across most of southern Alaska. This is the same type of pattern that we've been stuck under for much of December so far. The orientation and strength of the ridge will dictate what coastal locations are most likely to get slammed by heavy precipitation (somewhere from Kodiak to Cordova), as well as how warm and windy interior locations like Anchorage will get. Stay tuned. && .AFC WATCHES/WARNINGS/ADVISORIES... PUBLIC...None. MARINE...Storms 173-178 411-414 119 120 130-132 138 150 155 165 170-172 179-181 185. && SYNOPSIS AND MODEL DISCUSSION...JA SOUTHCENTRAL ALASKA...KVP SOUTHWEST ALASKA/BERING SEA/ALEUTIANS...DK LONG TERM...AD
The office that day
Everything else NWS Anchorage, AK issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Dec 16, 3:02 PM AKST | Storm Warning | AFC | 49 hr | |
| Dec 16, 3:12 PM AKST | Gale Warning | AFC | 4 days | |
| Dec 16, 3:12 PM AKST | Storm Warning | AFC | 4 days | |
| Dec 16, 3:42 PM AKST | Small Craft Advisory | AFC | 36 hr | |
| Dec 17, 3:45 AM AKST | Gale Warning | AFC | 48 hr | |
| Dec 17, 3:54 AM AKST | High Wind Warning | AFC | 23 hr | |
| Dec 17, 5:40 AM AKST | Dense Fog Advisory | AFC | 4 hr | |
| Dec 17, 2:53 PM AKST | Gale Warning | AFC | 37 hr |
Nearby
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text.