Ice Forecast
Issued by NWS Anchorage, AK

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000
FZAK80 PAFC 020036
ICEAFC

Sea Ice Forecast for Western and Arctic Alaskan Coastal Waters
National Weather Service Anchorage Alaska
3300 PM AKST Wednesday 1 December 2021

FORECAST VALID...Monday 6 December 2021

ANALYSIS CONFIDENCE...Moderate.

SYNOPSIS...A series of low will continue to propagate north along
the Kamchatka peninsula, bringing strong winds to the Bering Sea.

-Beaufort Sea-
-Chukchi Sea-
-Bering Sea-

PKZ215-Kotzebue Sound-PKZ200-Norton Sound-PKZ220-Wales to Cape
Thompson-PKZ225-Cape Thompson to Cape Beaufort-PKZ230-Cape Beaufort
to Point Franklin-PKZ235-Point Franklin to Cape Halkett-PKZ240-Cape
Halkett to Flaxman Island-PKZ245-Flaxman Island to Demarcation Point-
PKZ500-Western U.S. Arctic Offshore-PKZ505-Central U.S. Arctic
Offshore-PKZ510-Eastern U.S. Arctic Offshore-

Ice covered.

-Bering Sea-

PKZ160-Bristol Bay-PKZ165-Port Heiden to Cape Sarichef-PKZ180-
Kuskokwim Delta and Etolin Strait-PKZ181-North and West of Nunivak
Island-PKZ210-Dall Point to Wales-

The main ice edge extends from 56 33`N 159 49`W to 57 34`N 158 23`W
to 58 39`N 166 37`W to 61 35`N 168 44`W to 63 13`N 171 15`W to 63
11`N 172 21`W to 64 2`N 172 22`W and continues in Russian Waters.
The ice edge is mainly open water.

FORECAST FOR THE BERING SEA (Days 1 through 5)...A series of low
will continue to propagate north along the Kamchatka peninsula,
bringing strong winds to the Bering Sea.  Expect strong southerly
winds on Thursday as a front tracks eastward across the Bering.
Friday, the next front will bring westerly winds to the ice edge, a
brief period of low winds Friday evening and Saturday morning,
followed by strong southerly becoming westerly winds by Monday.
Except ice to retreat with the winds, roughly 10-20 NM over the 5
day period.

-Cook Inlet-

PKZ130-West of the Barren Islands Including Kamishak Bay-PKZ139-Cook
Inlet Kalgin Island to Pt. Bede-PKZ140-Cook Inlet North of Kalgin
Island-

SYNOPSIS... Winds will be mainly westerly cross inlet, and fairly
calm in the northern inlet, allowing ice to grow.

The main ice edge extends from near 61N 151 13`W to 60 50`N 151 15`W
to 60 42`N 151 30`W to 60 22`N 151 22`W. There is also sea ice
within sheltered bays along the remainder of Cook Inlet.

FORECAST FOR COOK INLET (Days 1 through 5)... Sea ice will continue
to form and thicken in upper Cook Inlet through Monday, with the ice
edge advancing 10 to 20nm south during the forecast period.

&&


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