541
FZAK80 PAFC 022319
ICEAFC

Sea Ice Forecast for Western and Arctic Alaskan Coastal Waters
National Weather Service - Alaska Sea Ice Program
319 PM AKDT Wednesday 2 July 2025

FORECAST VALID...Monday 7 July 2025

ANALYSIS CONFIDENCE...High

SYNOPSIS...Low pressure over the Bering Sea will linger there
through Saturday and then high pressure will spread across the sea
on Sunday and Monday. High pressure across the Beaufort Sea will
spread southwestward across the Chukchi Sea from Thursday through
Saturday. Then, low pressure will spread across both the Chukchi and
Beaufort Seas on Sunday and Monday.

-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 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-

Ice covered.

FORECAST FOR THE BEAUFORT SEA (DAYS 1 through 5)...Forecast
confidence is high. Winds along the Beaufort Sea coast will remain
easterly through Friday and then become light and variable on
Saturday. For Sunday and Monday, winds will be westerly to
northwesterly. Expect sea ice to continue moving westward around 5-
10 nm/day through Friday. Then, sea ice will likely move eastward on
Sunday and Monday. Much of the shorefast ice will degrade through
the forecast period.

-CHUKCHI SEA-

PKZ500-Western US Arctic Offshore-
PKZ505-Central US Arctic Offshore-
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-
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.

The main ice edge extends from near Espenberg to 69 4N 169 48W to
69 43N 168 22W and continues into Russian waters. The ice edge is
open water.

From land-based points in Alaska, the main ice edge extends from
near Espenberg to 75 nm northwest of Point Hope to 85 nm north-
northwest of Point Hope 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. Easterly to southeasterly winds will continue
along the ice edge through mid Thursday. Winds shift generally
northerly for the remainder of Thursday, southerly on Friday, and
northerly again on Sunday and Monday. Expect the ice from near
Espenberg to Point Hope and to the northwest of Cape Lisburne to
decay to marginal by Saturday. Overall, expect general
melting/retreat of the ice edge to persist through the forecast
period.

&&
Fenrich