976
FZAK80 PAFC 012222
ICEAFC

Sea Ice Forecast for Western and Arctic Alaskan Coastal Waters
National Weather Service - Alaska Sea Ice Program
222 PM AKDT Friday 1 August 2025

FORECAST VALID...Wednesday 6 August 2025

ANALYSIS CONFIDENCE...High to moderate

SYNOPSIS...A low will move east across the Chukchi and Beaufort Seas
through Sunday, then a high will move east across the same area
Monday through Wednesday.

-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-

The main ice edge in the Beaufort Sea extends from near 69 49N 141
52W to 70 28N 144 17W to 70 40N 140 17W to 69 50N 138 29W and
continues into Canadian waters. The ice edge is open water.

From land-based points in Alaska, the main ice edge extends from 35
nm east of Kaktovik to 25 nm northwest of Kaktovik to 55 nm north of
Demarcation Point to 50 nm northeast of Demarcation Point and
continues in Canadian waters. The ice edge is open water.

FORECAST FOR THE BEAUFORT SEA (DAYS 1 through 5)...Forecast
confidence is moderate. Off the north coast of Alaska, southerly
winds will shift to southwesterly Sunday then northerly Monday.
Winds then become easterly Tuesday and Wednesday. Through these wind
direction shifts, sea ice will move up to 10 nm/day as it continues
to gradually melt. The direction of sea ice movement will be with
the wind direction except when winds are light and sea ice moves
with local tides and currents.

-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.

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

The main ice edge in the Chukchi Sea extends from near Utqiagvik to
70 53N 165 21W to 71 39N 166 58W to 69 51N 167 40W to 71 19N
173 51W and continues into Russian waters. The ice edge is open
water.

From land-based points in Alaska, the main ice edge extends from
near Utqiagvik to 160 nm west-southwest of Utqiagvik to 180 nm west
of Utqiagvik to 65 nm north of Cape Lisburne to 205 nm northwest of
Cape Lisburne and continues into Russian waters. The ice edge is
open water.

FORECAST FOR THE CHUKCHI SEA (DAYS 1 through 5)...Forecast
confidence is high. Southerly winds will persist through Saturday
then become northerly Sunday and easterly Monday. Winds become light
and variable Tuesday and Wednesday. Sea ice will continue to melt as
it drifts slightly with the direction of the wind.

&&
Schreck