Ice Forecast
Issued by NWS Anchorage, AK

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000
FZAK80 PAFC 252207
ICEAFC

Sea Ice Advisory for Western and Arctic Alaskan Coastal Waters
National Weather Service Anchorage Alaska
210 PM AKDT Friday 25 May 2018

FORECAST VALID...Wednesday 30 May 2018

ANALYSIS CONFIDENCE...High

SYNOPSIS...High pressure will persist over the far northern Beaufort
Sea through Wednesday. A low moves into the southwest Bering Sea on
Monday and sends a weakening front to the Bering Strait through
Wednesday.

-Arctic Ocean-
-Beaufort Sea-
-Chukchi Sea-
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.

-Chukchi Sea-
-Bering Sea-
PKZ200-Norton Sound-
PKZ210-Dall Point to Wales-
PKZ215-Kotzebue Sound-
PKZ220-Wales to Cape Thompson-
PKZ225-Cape Thompson to Cape Beaufort-
PKZ230-Cape Beaufort to Point Franklin-

The ice edge extends from 69.3N 163.2W to 70.3N 164.3W to 71.1N
168.6W to 68.1N 171.6W then continues to the Russian coast at 66.2N
169.7W. There is sea ice within protected bays from Norton Bay
through Pt. Clarence and Shishmaref as well as Kotzebue Sound.


FORECAST FOR THE CHUKCHI SEA (Days 1 through 5)...Easterly winds
will persist over the Chukchi Sea through Wednesday. The ice pack is
expected to shift to the west by 10 to 25 nm through Wednesday.

FORECAST FOR THE BERING SEA (Days 1 through 5)...Generally northerly
winds will persist through the Bering Strait and northern Bering Sea
through Saturday becoming variable on Sunday. Winds will then shift
to the southeast and east through Wednesday. The remaining coastal
ice within the Bering Sea will continue to deteriorate through
Wednesday. Strips of ice may be pulled away from the remaining
coastal ice and drift into open water farther offshore, but will
then melt fairly quickly as it encounters warmer sea surface
temperatures.

$$



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