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FZAK80 PAFC 222101
ICEAFC

SEA ICE ADVISORY FOR WESTERN AND ARCTIC ALASKAN COASTAL WATERS 
NATIONAL WEATHER SERVICE ANCHORAGE ALASKA
105 PM AKDT FRIDAY 22 MAY 2015 

FORECAST VALID...WEDNESDAY 27 MAY 2015

ANALYSIS CONFIDENCE...MODERATE
                      
SYNOPSIS...LOW PRESSURE IS EXPECTED TO PERSIST OVER MUCH OF THE 
WESTERN AND CENTRAL BERING SEA THROUGH MONDAY... WHILE HIGH PRESSURE 
IS EXPECTED TO PERSIST ACROSS MUCH OF THE BEAUFORT SEA AND CHUKCHI 
SEA THROUGH MONDAY. 

-ARCTIC OCEAN-
-BEAUFORT SEA-
-CHUKCHI SEA-

PKZ500-WESTERN US ARCTIC OFFSHORE-
PKZ505-CENTRAL US ARCTIC OFFSHORE-
PKZ510-EASTERN US ARCTIC OFFSHORE-
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-

ICE COVERED.

-BERING SEA-

PKZ215-KOTZEBUE SOUND-
PKZ200-NORTON SOUND-
PKZ210-DALL POINT TO WALES-
PKZ180-KUSKOKWIM DELTA AND ETOLIN STRAIT-
PKZ181-NORTH AND WEST OF NUNIVAK ISLAND-
PKZ185-SAINT MATTHEW ISLAND WATERS-

THE MAIN ICE EDGE LIES FROM NEAR HOOPER BAY TO THE ENTRANCE OF 
NORTON SOUND TO 63.7N 166.8W TO 64.4N 168.3W TO 62.1N 167.7W TO 
62.1N 166.2W TO 61.1N 167.3W TO 62.8N 171.8W TO 62.8N 169.5W TO 
65.6N 168.9W TO THE RUSSIAN COAST NEAR 64.2N 173.1W.

ISOLATED ICE FLOES ALSO REMAIN TO THE NORTHWEST AND WEST OF SAINT 
MATTHEW ISLAND. 

FORECAST THROUGH MONDAY FOR THE BERING SEA... SOUTHEASTLERY FLOW IS 
EXPECTED TO PERSIST OVER MUCH OF THE BERING SEA ICE EDGE THROUGH 
MONDAY WITH PERIODS OF MODERATE TO STRONG FLOW. REMAINING ISOLATED 
AREAS OF SEA ICE NEAR SAINT MATTHEW ISLAND AND OFFSHORE BETWEEN 
NUNIVAK ISLAND AND SAINT LAWRENCE ISLAND ARE EXPECTED TO DECREASE 
DRAMATICALLY IN CONCENTRATION THROUGH THE WEEKEND WITH ONLY ISOLATED 
OPEN WATER AREAS AND CONCENTRATIONS UP TO 3 TENTHS REMAINING BY 
MONDAY. SEA ICE REMAINING WITHIN NORTON SOUND AND IN THE NORTHERN 
BERING SEA IS EXPECTED TO SHIFT TO THE WEST AND SPREAD APART THROUGH 
THE WEEKEND DECREASING IN CONCENTRATION AS WELL. 

HEIM
 

Alaska Region Headquarters
222 West 7th Avenue #23
Anchorage, AK 99513-7575
Voice: 1-907-271-5088
Fax: 1-907-271-3711
Recorded Forecast: 1-800-472-0391
Webmaster Email: ARH Webauthors
Page Modified: 03 Feb 2008 18:00 UTC
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