356
FZAK80 PAFC 122201
ICEAFC

Sea Ice Forecast for Western and Arctic Alaskan Coastal Waters
National Weather Service - Alaska Sea Ice Program
205 PM AKDT Wednesday 12 June 2024

FORECAST VALID...Monday 17 June 2024

ANALYSIS CONFIDENCE...High to moderate.

SYNOPSIS...High pressure will remain over the High Arctic through
Saturday. A weak low pressure will form in the western Chukchi Sea
on Friday, moving toward the Beaufort Sea over the weekend.

The main ice edge extends from near Wales to 34 2`N 169 15`W to 64
8`N 170 21`W to 64 37`N 171 12`W to 64 11`N 171 56`W and into
Russian waters. Brash ice remains near the southern side of St.
Lawrence. The ice edge is open water.

From land-based points in Alaska, the main ice edge extends from
near Wales to 95 nm S of Wales to 20 nm N of Savoonga to 64 nm N of
Gambell and westward into Russian waters. Brash ice remains near
the southern side of St. Lawrence. The ice edge is open water.

-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-
PKZ860-Cape Halkett to Flaxman Island from 15 nm to 80 nm-
PKZ861-Flaxman Island to Demarcation Point from 15 nm to 75 nm-

Ice covered.

FORECAST FOR THE BEAUFORT SEA (DAYS 1 through 5)...Forecast
confidence is high. East winds will persist through Friday, then a
period of southerlies are possible. The ice pack will continue to be
consolidated and move west until the Saturday then shorefast ice may
break off with the southerly winds. Near-shore ice will continue to
degrade.

-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-

Ice covered.

FORECAST FOR THE CHUKCHI SEA (DAYS 1 through 5)...The large polynya
on the northwest coast will continue to expand to the west through
Thursday before moving north through the weekend as winds shift
southerly. Southerly winds will loosen up the pack ice around the
Wales to Shishmaref coastline.

-BERING SEA-

PKZ763-Kuskokwim Delta and Etolin Strait out to 15 nm-
PKZ765-North and West of Nunivak Island-
PKZ767-Saint Matthew Island waters-
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-
PKZ816-South side of Saint Lawrence Island out to 15 nm-
PKZ817-North side of Saint Lawrence Island out to 15 nm-
PKZ850-Etolin Strait to Kwemeluk Pass from 15 to 90 nm-
PKZ851-Southwest of Saint Lawrence Island from 15 to 100 nm-
PKZ852-Norton Sound greater than 15 nm-
PKZ853-Kwemeluk Pass to Kwikpak Pass from 15 to 90 nm-
PKZ854-Sledge Island to Wales greater than 15 nm-

FORECAST FOR THE BERING SEA (DAYS 1 through 5)...Ice south of the
Strait and near St. Lawrence Island will continue to melt and move
with currents and tides. Some areas of marginal ice coverage will
likely remain near Russia and St. Lawrence through Monday.


&&
Lawson