FZAK80 PAFC 292219

ICEAFC



ea Ice Forecast for Western and Arctic Alaskan Coastal Waters

National Weather Service - Alaska Sea Ice Program

220 PM AKDT Friday 29 May 2026





FORECAST VALID…Wednesay 5 June 2026





ANALYSIS CONFIDENCE…High to moderate.





SYNOPSIS…For the Bering, high pressure will develop over the Bering

through Wednesday. For the Arctic, high pressure over the high

Arctic currently will move south over the Mainland through the

forecast period. A strong low will then develop in the high Arctic

over the weekend.





-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)...Light to moderate

southwesterlies develop over the weekend over the area. This may

develop polynyas along the coast and/or break off some shorefast

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)...The marginal ice

zone will continue to grow in the southern Chukchi with southerly

winds developing over the weekend.





-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 61 49'N 166

6'W to 64 34'N 163 57'W to 64 32'N 165 42'W to 63 11'N 168 7'W to 63

1'N 166 38'W to 61 33'N 168 4'W to 60 42'N 171 0'W to 61 31'N 173

28'W to 60 57'N 175 58'W to 61 2'N 178 55'W to 62 30'N 176 24'W to

63 42'N 174 32'W to 62 34'N 172 23'W to 63 1'N 169 47'W to 63 49'N

171 42'W to 64 55'N 170 59'W. There is ice remaining along the coast

of the Gulf of Anadyr and in Bristol Bay from Cape Newenham to Cape

Constantine.



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

Sea extends from Scammon Bay to near Solomon then continues 8 nm

west of Nome to 65 nm east of Savoonga to 50 nm west of the Yukon

Delta to 55 nm west of Hooper Bay to 50 nm northeast of Saint

Matthew Island to 66 nm northwest of Saint Matthew Island to 175 nm

west of Saint Matthew Island to 75 nm west-southwest of Gambell to

75 nm south of Gambell to 70 nm southeast of Gambell to near Gambell

to 67 nm north of Gambell and continues in Russian waters. There is

ice remaining along the coast of the Gulf of Anadyr and in Bristol

Bay from Cape Newenham to Cape Constantine.





FORECAST FOR THE BERING SEA (DAYS 1 through 5)...Ice is rapidly

melting in the Bering sea and Norton Sound. Winds will continue to

move the ice into warmer water and expand distance between floes. A

large area of marginal ice coverage will remain between St Lawrence

and St Matthew.





&&



Lawson