078
FZAK80 PAFC 142337
ICEAFC

Sea Ice Forecast for Western and Arctic Alaskan Coastal Waters
National Weather Service - Alaska Sea Ice Program
337 PM AKDT Monday 14 July 2025

FORECAST VALID...Saturday 19 July 2025

ANALYSIS CONFIDENCE...High

SYNOPSIS...Low pressure over the Chukchi Sea will move off to the
northeast as it continues to weaken. High pressure will build over
the Chukchi Sea Wednesday, then continues eastward into the Beaufort
Sea Thursday through Saturday.

-BEAUFORT SEA-

PKZ505-Central US Arctic Offshore-
PKZ510-Eastern US Arctic Offshore-

Ice covered.

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

FORECAST FOR THE BEAUFORT SEA (DAYS 1 through 5)...Forecast
confidence is high. Southerly winds will become light on Wednesday,
then become northerly Thursday. As the high moves east over the
Beaufort Sea, winds near the coast will become easterly Friday and
Saturday. Sea ice near the coast will move north Tuesday into
Wednesday, then back toward the coast on Thursday. The westerly
winds Friday and Saturday will allow sea ice to drift west along the
coast.

-CHUKCHI SEA-

PKZ500-Western US Arctic Offshore-
PKZ505-Central US Arctic Offshore-
PKZ813-Point Franklin to Cape Halkett out to 15 nm-
PKZ859-Point Franklin to Cape Halkett from 15 to 75 nm-

Ice covered.

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-
PKZ857-Cape Thompson to Cape Beaufort from 15 to 85 nm-
PKZ858-Cape Beaufort to Point Franklin from 15 to 85 nm-

The main ice edge extends from near Cape Lisburne to 69 53N 171
33W and continues west into Russian waters. The ice edge is open
water.

From land-based points in Alaska, the main ice edge extends from
near Cape Lisburne to 125 nm west-northwest of Cape Lisburne and
continues west into Russian waters. The ice edge is open water.

FORECAST FOR THE CHUKCHI SEA (DAYS 1 through 5)...Forecast
confidence is high. Southerly to southeasterly winds will become
light and variable late Wednesday, then become northeasterly
Thursday through Saturday. Sea ice will generally drift north
through Wednesday, then to the west Thursday through Saturday. A
polynya will likely form off the northwest coast between Wainwright
and Point Barrow.

&&
Schreck