725
FZAK80 PAFC 272317
ICEAFC

Sea Ice Forecast for Western and Arctic Alaskan Coastal Waters
National Weather Service - Alaska Sea Ice Program
317 PM AKDT Friday 27 June 2025

FORECAST VALIDWednesday 2 July 2025


ANALYSIS CONFIDENCEHigh to moderate


SYNOPSISHigh pressure persists across the Bering Sea while low
pressure spreads across the Chukchi Sea, Beaufort Sea, and Gulf of
Alaska. High pressure will spread northeastward across the Beaufort
Sea, Alaska mainland, and Gulf of Alaska by Monday. By Wednesday,
low pressure is expected over the Bering Sea and western Chukchi
Sea, while high pressure is expected over the Beaufort Sea.


-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. Northeasterly winds become light easterly on
Saturday and then variable on Sunday. From Monday through Wednesday,
winds will be generally easterly. Expect shorefast ice to continue
breaking off through the forecast period.


-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 67 59N 168 31W to
69 8N 169 41W 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 southwest of Point Hope to 130 nm northwest
of Point Hope and continues into Russian waters. The ice edge is
open water.


FORECAST FOR THE CHUKCHI SEA (DAYS 1 through 5)...Forecast
confidence is high. Northerly winds will shift generally southerly
from Saturday through Wednesday. There may be periods of easterly
winds on Sunday and Monday. Overall, sea ice will continue to melt,
expanding areas of open and sea ice free waters.


-BERING SEA-


PKZ817-North side of Saint Lawrence Island out to 15 nm-


There is a small area of sea ice remaining just north of Saint
Lawrence Island southeast of Savoonga.


FORECAST FOR THE BERING SEA (DAYS 1 through 5)...Forecast confidence
is high. Over the remaining sea ice, winds will be generally
southwesterly through Sunday and then southeasterly from Monday
through Wednesday. The remaining sea ice is expected to completely
melt by Saturday.


&&
Fenrich