FZAK80 PAFC 052348

ICEAFC



Sea Ice Forecast for Western and Arctic Alaskan Coastal Waters

National Weather Service - Alaska Sea Ice Program

230 PM AKDT Friday 5 June 2026





FORECAST VALID…Wednesday 10 June 2026





ANALYSIS CONFIDENCE…High.





SYNOPSIS… Low pressure will dig across the Chukchi Sea through the

weekend, push an area of high pressure southeast across the Bering

Sea and bring northerly winds through the Bering Strait.





-BEAUFORT SEA-





PKZ505-Central US Arctic Offshore-

PKZ510-Eastern US Arctic Offshore-

PKZ813-Point Franklin to Cape Halkett out to 15 nm-

PKZ814-Cape Halkett to Flaxman Island out to 15 nm-

PKZ815-Flaxman Island to Demarcation Point out to 15 nm-

PKZ859-Point Franklin to Cape Halkett from 45 to 80 nm-

PKZ860-Cape Halkett to Flaxman Island from 45 to 80 nm-





Ice covered.





FORECAST FOR THE BEAUFORT SEA (DAYS 1 through 5)...Forecast

confidence is high. Weak northwesterly to northerly flow continues

through Sunday. By Tuesday, southwesterly flow returns as a strong

low descends from the high Arctic. Winds peaking as high as 25 knots

on Tuesday may begin to test fast ice.







-CHUKCHI SEA-





PKZ500-Western US Arctic Offshore-

PKZ505-Central US Arctic Offshore-

PKZ807-Wales to Cape Espenberg out to 15 nm-

PKZ808-Cape Espenberg to Motherwood Point out to 10 nm-

PKZ809-Motherwood Point to Cape Krusenstern out to 10 nm-

PKZ810-Cape Krusenstern to Cape Thompson out to 15 nm-

PKZ811-Cape Thompson to Cape Beaufort out to 15 nm-

PKZ812-Cape Beaufort to Point Franklin out to 15 nm-

PKZ813-Point Franklin to Cape Halkett out to 15 nm-

PKZ855-Kotzebue Sound greater than 10 nm-

PKZ856-Wales to Cape Thompson greater than 15 nm-

PKZ857-Cape Thompson to Cape Beaufort from 15 to 85 nm-

PKZ858-Cape Beaufort to Point Franklin from 15 to 85 nm-

PKZ859-Point Franklin to Cape Halkett from 15 to 75 nm-





Ice covered.





FORECAST FOR THE CHUKCHI SEA (DAYS 1 through 5)...Forecast

confidence is high. Warmer waters moving northward through the

Chukchi Sea will continue to erode/melt the existing pack ice. Areas

of open water have developed north of Cape Lisburne as far north as

Wainwright, roughly 12 nm west of the coast. Periods of west to

northwest winds through the weekend will switch to southwesterly

Tuesday and southerly by Wednesday.









-BERING SEA-





PKZ763-Kuskokwim Delta and Etolin Strait out to 15 nm-

PKZ765-North and West of Nunivak Island

PKZ801-Etolin Strait to Dall Point out to 15 nm-

PKZ802-Dall Point to Kwikpak Pass out to 15 nm-

PKZ803-Kwikpak Pass to Cape Stephens out to 15 nm-

PKZ804-Cape Stephens to Moses Point out to 15 nm-

PKZ805-Moses Point to Sledge Island out to 15 nm-

PKZ806-Sledge Island to Wales out to 15 nm-

PKZ850-Etolin Strait to Kwemeluk Pass from 15 to 90 nm-

PKZ852-Norton Sound greater than 15 nm-

PKZ853-Kwemeluk Pass to Kwikpak Pass from 15 to 90 nm-





Ice covered.





PKZ760-Bristol Bay greater than 15 nm-

PKZ761-Bristol Bay from Port Heiden to Cape Chichagof out to 15 nm-

PKZ762-Bristol Bay from Cape Chichagof to Cape Pierce out to 15 nm-

PKZ764-Kuskokwim Delta from 15 to 80 nm-

PKZ767-Saint Matthew Island Waters-

PKZ816-South Side of Saint Lawrence Island out to 15 nm-

PKZ817-North Side of Saint Lawrence Island out to 15 nm-

PKZ851-Southwest of Saint Lawrence Island from 15 to 100 nm-

PKZ854-Sledge Island to Wales greater than 15 nm-





The main ice edge in the Bering Sea extends from near 71 08’N 161

10’W to 70 53’N 167 44’ W to 69 16’N 170 55’W to 68 05’N 169 44’W to

 67 26’N 166 52’W to 66 40’N 170 29’W



From land-based points in Alaska, the main ice edge in the Bering

Sea extends from 20 nm northwest of Wainwright to 150 nm west of

Wainwright to 100 nm west of Cape Lisburne to 50 nm south of Point

Hope to 25 nm northwest of Diomede to 50 nm north of Gambell.





FORECAST FOR THE BERING SEA (DAYS 1 through 5)...Forecast confidence

is high. High pressure over the western Bering expands southeast

with several waves of westerly wind expected. Northeasterly wind

returns on Monday as another area of high pressure moves into the

western Bering, switching to southwesterly on Wednesday as the high

pressure moves southeast.









-COOK INLET-





PKZ730-West of Barren Islands including Kamishak Bay-

PKZ740-Cook Inlet North of Kalgin Island-

PZK741-Kachemak Bay-

PKZ742-Cook Inlet Kalgin Island to Point Bede-





Ice free.



FORECAST FOR COOK INLET (DAYS 1 through 5)...Forecast confidence is

high.









&&

Riedel