Ice Forecast
Issued by NWS Anchorage, AK

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FZAK80 PAFC 192218

Sea Ice Advisory for Western and Arctic Alaskan Coastal Waters
National Weather Service Anchorage Alaska
218 PM AKDT Monday 19 March 2018

FORECAST VALID...Saturday 24 March 2018


SYNOPSIS...A low will move north along the Kamchatka Peninsula
through Friday as high pressure builds over the eastern Bering Sea.
Another low will approach the Western Aleutians by Saturday.

-Arctic Ocean-
-Beaufort Sea-
-Chukchi Sea-
-Bering Sea-
PKZ200-Norton Sound-
PKZ215-Kotzebue 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-
PKZ180-Kuskokwim Delta and Etolin Strait-
PKZ181-North and west of Nunivak Island-
PKZ210-Dall Point to Wales-

The main ice edge in the Bering Sea extends from near 57.3N 158.2W
to 58N 157.8W to 58.9N 166.3W to 62.7N 176W and continues in Russian
waters. The ice edge is mainly open water.

FORECAST FOR THE BERING SEA (Days 1 through 5)...Winds along the
Bering Sea ice edge will remain generally southerly through Friday,
then become light and variable going into the weekend. The ice edge
is expected to compact and retreat to the north by 25 to 40 NM
through Saturday. Expect some movement away from north facing shores
and toward south facing shores through Friday.

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

Analysis confidence...High

SEA ICE EDGE DISCUSSION...The main ice edge within Cook Inlet
extends from 60.4N 151.4W to 60.3N 151.7W to 60N 152W to 60N 152.4W
and continues along the western shore of the inlet to 59.8N 153W.
There is also sea ice within Kamishak Bay. The ice edge is mainly
open water.

FORECAST FOR COOK INLET (Days 1 through 5)...A colder air mass will
move over Cook Inlet through late in the week, with temperatures
generally falling into the teens at night and rising to near or
slightly below freezing through Saturday. Winds will become
northerly through Thursday and then become light and variable
through Saturday. Expect the ice edge to remain similar to its
current position through Saturday, with some slight movement toward
the south possible.

Please note...Cook Inlet sea ice changes significantly with the

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