Alaska Marine Forecasts
Southeast Alaska, the Gulf of Alaska, Cook Inlet, Bristol Bay, the Aleutians, the Bering Sea and the Arctic coast. The National Weather Service forecast for every zone, with the warnings and advisories in force.
Alaska marine zones on the map
The 124 zones, tinted by the most serious marine warning or advisory in force. Tap a zone to open its forecast.
- Storm Warning
- Gale Warning
- Small Craft Advisory
Alerts in force
Storm Warning 1 zone
Gale Warning 29 zones
- Bering Sea Offshore 171W to 180 and South of 56N
- Bering Sea Offshore East of 171W
- Icy Cape to Cape Suckling out to 15 NM
- Cape Suckling to Gravel Point out to 15 NM
- Gravel Point to Cape Cleare out to 15 NM
- Central and Eastern Prince William Sound
- Castle Cape to Cape Tolstoi out to 15 NM
- Castle Cape to Cape Tolstoi from 15 to 100 NM
- Cape Tolstoi to Cape Sarichef out to 15 NM
- Cape Tolstoi to Unalga Pass from 15 to 100 NM
- Port Heiden to Nelson Lagoon out to 15 NM
- Port Heiden to Nelson Lagoon from 15 to 60 NM
- Nelson Lagoon to Cape Sarichef out to 15 NM
- Nelson Lagoon to Unalga Pass from 15 to 70 NM
- Unimak Pass
- Unalga Pass to Nikolski Bering Side out to 15 NM
- Unalaska Bay
- Unalga Pass to Nikolski Pacific Side out to 15 NM
- Unalga Pass to Nikolski Pacific Side from 15 to 85 NM
- Nikolski to Seguam Bering Side out to 15 NM
- Nikolski to Seguam Bering Side from 15 to 85 NM
- Nikolski to Seguam Pacfic Side out to 15 NM
- Nikolski to Seguam Pacific Side from 15 to 75 NM
- Seguam to Adak Bering Side out to 15 NM
- Seguam to Adak Bering Side from 15 to 85 NM
- Seguam to Adak Pacific Side out to 15 NM
- Seguam to Adak Pacific Side from 15 to 75 NM
- Adak to Kiska Bering Side
- Adak to Kiska Pacific Side
Small Craft Advisory 52 zones
- Clarence Strait
- Yakutat Bay
- Dixon Entrance to Cape Decision out to 15 NM
- Cape Decision to Cape Edgecumbe out to 15 NM
- Cape Edgecumbe to Cape Spencer out to 15 NM
- Cape Spencer to Cape Fairweather out to 15 NM
- Cape Fairweather to Icy Cape out to 15 NM
- Dixon Entrance to Cape Decision from 15 to 90 NM
- Cape Decision to Cape Edgecumbe from 15 to 80 NM
- Cape Edgecumbe to Cape Spencer from 15 to 80 NM
- Cape Spencer to Cape Fairweather from 15 to 85 NM
- Cape Fairweather to Icy Cape from 15 to 80 NM
- Icy Cape to Cape Suckling from 15 to 80 NM
- Cape Suckling to Cape Cleare from 15 to 75 NM
- Cape Cleare to Gore Point out to 15 NM
- Cape Cleare to Gore Point from 15 to 75 NM
- Passage Canal
- Northwest Prince William Sound
- Southwest Prince William Sound
- West of Barren Islands Including Kamishak Bay
- Barren Islands East
- Marmot Island to Sitkinak out to 15 NM
- Gore Point to Marmot Island from 15 to 80 NM
- Marmot Island To Sitkinak from 15 to 85 NM
- Shelikof Strait
- Sitkinak to Castle Cape out to 15 NM
- Sitkinak to Castle Cape from 15 to 100 NM
- Bristol Bay greater than 15 NM
- Bristol Bay from Port Heiden to Cape Chichagof out to 15 NM
- Bristol Bay from Cape Chichagof to Cape Pierce out to 15 NM
- Kuskokwim Delta and Etolin Strait out to 15 NM
- Kuskokwim Delta from 15 to 80 NM
- North and West of Nunivak Island
- Pribilof Islands Nearshore Waters
- Saint Matthew Island Waters
- Kiska to Attu Bering Side
- Kiska to Attu Pacific Side
- Etolin Strait to Dall Point out to 15 NM
- Dall Point to Kwikpak Pass out to 15 NM
- Kwikpak Pass to Cape Stephens out to 15 NM
- Cape Stephens to Moses Point out to 15 NM
- Moses Point to Sledge Island out to 15 NM
- Sledge Island to Wales out to 15 NM
- Motherwood Point to Cape Krusenstern out to 10 NM
- South Side of Saint Lawrence Island out to 15 NM
- North Side of Saint Lawrence Island out to 15 NM
- Etolin Strait to Kwemeluk Pass from 15 to 90 NM
- Southwest of Saint Lawrence Island from 15 to 100 NM
- Norton Sound greater than 15 NM
- Kwemeluk Pass to Kwikpak Pass from 15 to 90 NM
- Sledge Island to Wales greater than 15 NM
- Kotzebue Sound greater than 10 NM
NWS Juneau
26 zones, in the Coastal Waters Forecast and Offshore Waters Forecast.
- Glacier Bay
- Northern Lynn Canal
- Southern Lynn Canal
- Icy Strait
- Cross Sound
- Stephens Passage
- Northern Chatham Strait
- Southern Chatham Strait
- Frederick Sound
- Sumner Strait
- Clarence Strait
- Yakutat Bay
- Gulf of Alaska North of 57 Degrees North and East of 144 W
- Gulf of Alaska South of 57 Degrees North and East of 144 W
- Dixon Entrance to Cape Decision out to 15 NM
- Cape Decision to Cape Edgecumbe out to 15 NM
- Cape Edgecumbe to Cape Spencer out to 15 NM
- Cape Spencer to Cape Fairweather out to 15 NM
- Cape Fairweather to Icy Cape out to 15 NM
- Icy Cape to Cape Suckling out to 15 NM
- Dixon Entrance to Cape Decision from 15 to 90 NM
- Cape Decision to Cape Edgecumbe from 15 to 80 NM
- Cape Edgecumbe to Cape Spencer from 15 to 80 NM
- Cape Spencer to Cape Fairweather from 15 to 85 NM
- Cape Fairweather to Icy Cape from 15 to 80 NM
- Icy Cape to Cape Suckling from 15 to 80 NM
NWS Anchorage (eastern waters)
26 zones, in the Offshore Waters Forecast and Coastal Waters Forecast.
- Gulf of Alaska Offshore North of 57N and West of 144W
- Gulf of Alaska Offshore South of 57N North of 55N and West of 144W
- Cape Suckling to Gravel Point out to 15 NM
- Gravel Point to Cape Cleare out to 15 NM
- Cape Suckling to Cape Cleare from 15 to 75 NM
- Resurrection Bay
- Cape Cleare to Gore Point out to 15 NM
- Cape Cleare to Gore Point from 15 to 75 NM
- Port of Valdez
- Valdez Narrows
- Valdez Arm
- Passage Canal
- Northwest Prince William Sound
- Central and Eastern Prince William Sound
- Southwest Prince William Sound
- West of Barren Islands Including Kamishak Bay
- Barren Islands East
- Marmot Island to Sitkinak out to 15 NM
- Gore Point to Marmot Island from 15 to 80 NM
- Marmot Island To Sitkinak from 15 to 85 NM
- Chiniak Bay
- Marmot Bay
- Shelikof Strait
- Cook Inlet North Kalgin Island
- Kachemak Bay
- Cook Inlet Kalgin Island to Point Bede
NWS Anchorage (western waters)
40 zones, in the Offshore Waters Forecast and Coastal Waters Forecast.
- Bering Sea Offshore West of 180 and East of the International Date Line
- Bering Sea Offshore 171W to 180 and North of 56N
- Bering Sea Offshore 171W to 180 and South of 56N
- Bering Sea Offshore East of 171W
- Sitkinak to Castle Cape out to 15 NM
- Sitkinak to Castle Cape from 15 to 100 NM
- Castle Cape to Cape Tolstoi out to 15 NM
- Castle Cape to Cape Tolstoi from 15 to 100 NM
- Cape Tolstoi to Cape Sarichef out to 15 NM
- Cape Tolstoi to Unalga Pass from 15 to 100 NM
- Port Heiden to Nelson Lagoon out to 15 NM
- Port Heiden to Nelson Lagoon from 15 to 60 NM
- Nelson Lagoon to Cape Sarichef out to 15 NM
- Nelson Lagoon to Unalga Pass from 15 to 70 NM
- Bristol Bay greater than 15 NM
- Bristol Bay from Port Heiden to Cape Chichagof out to 15 NM
- Bristol Bay from Cape Chichagof to Cape Pierce out to 15 NM
- Kuskokwim Delta and Etolin Strait out to 15 NM
- Kuskokwim Delta from 15 to 80 NM
- North and West of Nunivak Island
- Pribilof Islands Nearshore Waters
- Saint Matthew Island Waters
- Unimak Pass
- Unalga Pass to Nikolski Bering Side out to 15 NM
- Unalaska Bay
- Unalga Pass to Nikolski Bering Side from 15 to 85 NM
- Unalga Pass to Nikolski Pacific Side out to 15 NM
- Unalga Pass to Nikolski Pacific Side from 15 to 85 NM
- Nikolski to Seguam Bering Side out to 15 NM
- Nikolski to Seguam Bering Side from 15 to 85 NM
- Nikolski to Seguam Pacfic Side out to 15 NM
- Nikolski to Seguam Pacific Side from 15 to 75 NM
- Seguam to Adak Bering Side out to 15 NM
- Seguam to Adak Bering Side from 15 to 85 NM
- Seguam to Adak Pacific Side out to 15 NM
- Seguam to Adak Pacific Side from 15 to 75 NM
- Adak to Kiska Bering Side
- Adak to Kiska Pacific Side
- Kiska to Attu Bering Side
- Kiska to Attu Pacific Side
NWS Fairbanks
32 zones, in the Offshore Waters Forecast and Coastal Waters Forecast.
- Western US Arctic Offshore
- Central US Arctic Offshore
- Eastern US Arctic Offshore
- Etolin Strait to Dall Point out to 15 NM
- Dall Point to Kwikpak Pass out to 15 NM
- Kwikpak Pass to Cape Stephens out to 15 NM
- Cape Stephens to Moses Point out to 15 NM
- Moses Point to Sledge Island out to 15 NM
- Sledge Island to Wales out to 15 NM
- Wales to Cape Espenberg out to 15 NM
- Cape Espenberg to Motherwood Point out to 10 NM
- Motherwood Point to Cape Krusenstern out to 10 NM
- Cape Krusenstern to Cape Thompson out to 15 NM
- Cape Thompson to Cape Beaufort out to 15 NM
- Cape Beaufort to Point Franklin out to 15 NM
- Point Franklin to Cape Halkett out to 15 NM
- Cape Halkett to Flaxman Island out to 15 NM
- Flaxman Island to Demarcation Point out to 15 NM
- South Side of Saint Lawrence Island out to 15 NM
- North Side of Saint Lawrence Island out to 15 NM
- Etolin Strait to Kwemeluk Pass from 15 to 90 NM
- Southwest of Saint Lawrence Island from 15 to 100 NM
- Norton Sound greater than 15 NM
- Kwemeluk Pass to Kwikpak Pass from 15 to 90 NM
- Sledge Island to Wales greater than 15 NM
- Kotzebue Sound greater than 10 NM
- Wales to Cape Thompson greater than 15 NM
- Cape Thompson to Cape Beaufort from 15 to 85 NM
- Cape Beaufort to Point Franklin from 15 to 85 NM
- Point Franklin to Cape Halkett from 15 to 75 NM
- Cape Halkett to Flaxman Island from 15 to 80 NM
- Flaxman Island to Demarcation Point from 15 to 75 NM
By coast
- Atlantic Coast153 zones · 118 under alerts
- Gulf of America106 zones
- Caribbean and Southwest Atlantic49 zones
- Puerto Rico and the U.S. Virgin Islands10 zones
- Great Lakes134 zones · 2 under alerts
- Pacific Coast68 zones · 39 under alerts
- Alaska124 zones · 82 under alerts
- Hawaii16 zones · 15 under alerts
- Guam and Micronesia11 zones · 1 under alerts
- American Samoa7 zones
- Mexico and Central America Pacific21 zones
- High seas5 areas
Sources
Forecasts from the National Weather Service marine program. Zone outlines from the NWS marine and offshore zone boundaries. Warnings and advisories from the NWS API, read 05:36 UTC. All public domain, from the National Weather Service.