Ice Forecast
Issued by NWS Anchorage, AK

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000
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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