FZAK80 PAFC 252348
ICEAFC

SEA ICE ADVISORY FOR WESTERN AND ARCTIC ALASKAN COASTAL WATERS 
NATIONAL WEATHER SERVICE ANCHORAGE ALASKA 
350 PM AKDT FRIDAY 25 JULY 2014 

FORECAST VALID...WEDNESDAY 30 JULY 2014

ANALYSIS CONFIDENCE...MODERATE TO HIGH.

SYNOPSIS...HIGH PRESSURE WILL DOMINATE THE BEUAFORT SEA THROUGH 
WEDNESDAY WITH EAST TO NORTHEAST FLOW. HIGH PRESSURE WILL DOMINATE 
THE CHUKCHI AREA AS WELL ONLY GIVING WAY TO A LOW PRESSURE SYSTEM 
PASSING OVER THE CHUKCHI SUNDAY AND INTO MAINLAND ALASKA MONDAY.

-ARCTIC OCEAN-

ICE COVERED.

-CHUKCHI SEA-
PKZ230-CAPE BEAUFORT TO POINT FRANKLIN-
PKZ235-POINT FRANKLIN TO CAPE HALKETT-

THE MAIN ICE EDGE LIES ALONG THE COAST FROM JUST NORTH OF WAINWRIGHT 
TO 71.1N 158.2W TO 71.0N 160.8W TO 71.6N 162.9W TO 71.0N 163.5W TO 
71.2N 166.7W TO 70.3N 166.2W TO 69.7N 167.1W TO 69.7N 170.9W TO 
70.5N 16.8N TO 71.3N 174.3W TO 70.8N 174.6W TO 69.5 178.5W TO THE 
RUSSIAN COAST NEAR 68.2N 177.2W. THE ICE EDGE RANGES FROM OPEN WATER 
TO 2 TENTHS FIRST YEAR THIN AND YOUNG BRASH SEA ICE.

-BEAUFORT SEA-
PKZ240-CAPE HALKETT TO FLAXMAN ISLAND-
PKZ245-FLAXMAN ISLAND TO DEMARCATION POINT-

THE MAIN ICE EDGE LIES FROM THE SOUTHWEST CORNER OF BANKS ISLAND TO 
71.0N 130.7W TO 71.6N 134.9W TO 71.2N 140.3W TO 71.3N 146.6W TO THE 
ALASKA COAST NEAR 69.6N 141.2W. THE ICE EDGE IS MAINLY OPEN WATER.

FORECAST THROUGH MONDAY FOR THE CHUKCHI SEA...EAST TO SOUTHEAST FLOW 
WILL CONTINUE OVER THE AREA OUTSIDE OF A BRIEF NORTHERLY WIND PERIOD 
ON SUNDAY. THE OVERALL ICE EDGE IS EXPECTED TO SHIFT TO THE WEST AND 
NORTHWEST 10 TO 20 NM THROUGH WEDNESDAY.

FORECAST THROUGH SATURDAY FOR THE BEAUFORT SEA...NORTH FLOW WILL 
TURN TO EASTERLY FLOW SATURDAY THROUGH MONDAY. NORTHERLY FLOW WILL 
RETURN FOR TUESDAY BUT RETURN TO EASTERLY ON WEDNESDAY. THE ICE EDGE 
IS EXPECTED TO SHIFT LESS THAN 10 NM TO THE WEST THROUGH WEDNESDAY.

NELSON
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National Weather Service Anchorage Forecast Office: http://pafc.arh.noaa.gov