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Ice Analysis Layer: Concentration Stage Forecast  Legend

FZAK80 PAFC 072330

Sea Ice Advisory for Western and Arctic Alaskan Coastal Waters
National Weather Service Anchorage Alaska
230 PM AKST Friday 7 December 2018

FORECAST VALID...Wednesday 12 December 2018


SYNOPSIS...An area of low pressure sits over the northeastern
Beaufort. This will weaken through the weekend. A much colder air
mass over the Arctic will settle over the region through Monday
bringing some of the colder temperatures.

-Arctic Ocean-
-Beaufort Sea-

PKZ235-Point Franklin to Cape Halkett-
PKZ240-Cape Halkett to Flaxman Island-
PKZ245-Flaxman Island to Demarcation Point-
PKZ505-Central U.S. Arctic Offshore-
PKZ510-Eastern U.S. Arctic Offshore-

Ice covered.

-Chukchi Sea-

PKZ215-Kotzebue Sound-
PKZ220-Wales to Cape Thompson-
PKZ225-Cape Thompson to Cape Beaufort-
PKZ230-Cape Beaufort to Point Franklin-
PKZ500-Western U.S. Arctic Offshore-

The main ice edge in the Chukchi Sea extends from Wales to 67.3N
165.6W to 68.7N 167.5W to 70.5N 164W to 70.2 176.2W to 69N 176.8W to
67.8N 172.5W to 69.7N 173W to 65.9N 169.4W. The ice edge is mainly
open water.

FORECAST FOR THE CHUKCHI SEA (Days 1 through 5)...Moderately strong
northeast winds will continue through the early week across the
eastern portion of the Chukchi. Expect the ice edge to move to the
south and west 20 to 40 nm through Wednesday. As winds diminish, new
ice may form along the leading edge of the ice.

-Bering Sea-

PKZ180-Kuskokwim Delta and Etolin Strait-
PKZ181-North and West of Nunivak Island-
PKZ200-Norton Sound-
PKZ210-Dall Point to Wales-

The ice edge extends from 59.5N 161.7W to 59.3N 163W to 61.5N 166.4W
to 64.1N 165.1W to 64.1N 163W to 64.5N 164W. There is also sea ice
along the Russian coast.

FORECAST FOR THE BERING SEA (Days 1 through 5)...Northerly winds
will continue through the weekend. High pressure will build in
across the northern Bering into Tuesday, allowing winds to weaken.
Expect ice to move to the southwest 15 to 25 nm through Wednesday.


Regional Information

Downloads: Shapefile : KMZ | last updated Sun Dec 9 13:44:34 AKST 2018

Ice Concentration Ice Stage 5 Day Ice Forecast


Cook Inlet Sector

Ice Concentration Ice Stage


Sea Surface Temperature Analysis

Regional Analysis


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