496
FZAK80 PAFC 302247
ICEAFC

Sea Ice Forecast for Western and Arctic Alaskan Coastal Waters
National Weather Service - Alaska Sea Ice Program
247 PM AKDT Monday 30 June 2025

FORECAST VALID...Saturday 5 July 2025


ANALYSIS CONFIDENCE...High


SYNOPSIS...Low pressure in the central Bering Sea moves eastward and
dissipates through mid-week. Another low near Kamchatka moves into
the far western Chukchi Sea by late-week. High pressure remains over
much of the Beaufort and Chukchi Seas.


-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 coast will remain light
easterly. Expect sea ice to continue to move east to west around 5-
10 nm/day. Much of the shorefast ice will degrade through the week.


-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-
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 68 47N 169 30W to
69 28N 168 19W to 69 14N 172 28W and continues south to the
Russian coast. The ice edge is open water.


From land-based points in Alaska, the main ice edge extends from
near Espenberg to 65 nm west of Point Hope to 75 nm northwest of
Point Hope  to 130 nm west of Point Hope and continues south to the
Russian coast. The ice edge is open water.



FORECAST FOR THE CHUKCHI SEA (DAYS 1 through 5)...Forecast
confidence is high. Easterly winds will continue along the ice edge
through Wednesday. Expect the ice between Espenberg and Point Hope
to continue to move northwest along the coast while melting. The ice
should decay to marginal ice by Saturday. Otherwise expect a general
melting/retreat of the ice edge 10 to 20 nm by Saturday.



&&
Lawson