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FZAK80 PAFC 032235
ICEAFC

SEA ICE ADVISORY FOR WESTERN AND ARCTIC ALASKAN COASTAL WATERS 
NATIONAL WEATHER SERVICE ANCHORAGE ALASKA 
235 PM AKDT MONDAY 03 AUGUST 2015 

FORECAST VALID...SATURDAY 8 AUGUST 2015

ANALYSIS CONFIDENCE...LOW EXCEPT MODERATE TO HIGH OFF NW ALASKA COAST
                      
SYNOPSIS...A BROAD LOW STRETCHING ACROSS THE CHUKCHI AND BEAUFORT 
SEAS WILL SHIFT OVER THE NORTHERN BEAUFORT SEA WEDNESDAY. A WEAK 
HIGH WILL BUILD NORTH OF BARROW THURSDAY AND SHIFT OVER THE BEAUFORT 
SEA FRIDAY. A FRONT ASSOCIATED WITH A LOW NEAR WRANGEL ISLAND WILL 
PASS ACROSS THE CHUKCHI SEA THURSDAY... WITH THE LOW MOVING OVER THE 
CENTRAL CHUKCHI SEA SATURDAY.

-ARCTIC OCEAN-
-BEAUFORT SEA-
-CHUKCHI SEA-
PKZ510-EASTERN US ARCTIC OFFSHORE-
PKZ505-CENTRAL US ARCTIC OFFSHORE- 
PKZ240-CAPE HALKETT TO FLAXMAN ISLAND-

ICE COVERED.

-CHUKCHI SEA-
PKZ500-WESTERN US ARCTIC OFFSHORE-
PKZ230-CAPE BEAUFORT TO POINT FRANKLIN-
PKZ235-POINT FRANKLIN TO CAPE HALKETT-

THE MAIN ICE EDGE LIES FROM THE ALASKA COAST NEAR 71.0N 157.2W TO 
71.5N 158.4W TO 71.0N 158.6W TO 71.6N 165.0W TO 72.4N 160.4W TO 
73.4N 169.5W AND CONTINUES IN RUSSIAN WATERS. THE ICE EDGE IS MAINLY 
OPEN WATER.

FORECAST THROUGH SATURDAY FOR THE CHUKCHI SEA...EASTERLY TO 
NORTHEASTERLY FLOW WILL WEAKEN LATE TUESDAY INTO EARLY WEDNESDAY. 
SOUTHERLY FLOW WILL PASS OVER THE ICE EDGE THURSDAY... WITH 
SOUTHEASTERLY TO SOUTHWESTERLY FLOW ACROSS MUCH OF THE ICE EDGE 
THROUGH SATURDAY. SEA ICE FLOES NEAR THE ICE EDGE ARE EXPECTED TO 
CONTINUE MELTING OWING TO WATER TEMPS AND WAVE ACTION THROUGH 
WEDNESDAY... SLOWLY DRIFTING TO THE SOUTHWEST. WITH THE SOUTHERLY 
FLOW RETURNING THURSDAY MUCH OF THE SEA ICE REMAINING NEAR THE 
HANNAH SHOAL REGION IS EXPECTED TO BE DESTROYED. ASIDE FROM THE 
HANNAH SHOAL REGION THE REMAINDER OF THE ICE EDGE IN THE CHUKCHI IS 
EXPECTED TO RETREAT TO THE NORTH 10 TO 20 NM THROUGH SATURDAY.

-BEAUFORT SEA-
PKZ245-FLAXMAN ISLAND TO DEMARCATION POINT-

THE MAIN ICE EDGE LIES FROM NEAR THE SOUTHWEST CORNER OF BANKS 
ISLAND TO THE COAST NEAR 69.5N 139.1W. THE ICE EDGE IS MAINLY OPEN 
WATER.

FORECAST THROUGH SATURDAY FOR THE BEAUFORT SEA...WESTERLY WINDS WILL 
BECOME NORTHEASTERLY TO EASTERLY FLOW WEDNESDAY THROUGH THURSDAY... 
WITH SOUTHERLY WINDS RETURNING NEAR THE ICE EDGE FRIDAY THROUGH 
SATURDAY. SEA ICE CONCENTRATIONS NEAR THE ICE EDGE ARE EXPECTED TO 
SLOWLY CONTINUE DECREASING THROUGH SATURDAY WITH MINIMAL CHANGES 
EXPECTED TO THE OVERALL ICE EDGE POSITION THROUGH SATURDAY.
 
$$


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