Ice Forecast
Issued by NWS Anchorage, AK

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000
FZAK80 PAFC 242301
ICEAFC

SEA ICE ADVISORY FOR WESTERN AND ARCTIC ALASKAN COASTAL WATERS
NATIONAL WEATHER SERVICE ANCHORAGE ALASKA
300 PM AKDT MONDAY 24 JULY 2017

FORECAST VALID...FRIDAY 28 JULY 2017

ANALYSIS CONFIDENCE...MODERATE

SYNOPSIS...A LOW WILL EXIT THE SOUTHERN BEAUFORT SEA TO THE EAST
TODAY FOLLOWED BY HIGH PRESSURE SETTING UP THROUGH WEDNESDAY. A WEAK
LOW AND FRONT WILL ENTER THE CHUKCHI ON WEDNESDAY AND LINGER THROUGH
FRIDAY.

-ARCTIC OCEAN-
-BEAUFORT SEA-

PKZ510-EASTERN U.S. ARCTIC OFFSHORE-
PKZ505-CENTRAL U.S. ARCTIC OFFSHORE-
PKZ240-CAPE HALKETT TO FLAXMAN ISLAND-
PKZ235-POINT FRANKLIN TO CAPE HALKETT-

ICE COVERED.

-BEAUFORT SEA-

PKZ245-FLAXMAN ISLAND TO DEMARCATION POINT-

THE MAIN ICE EDGE IN THE BEAUFORT SEA EXTENDS FROM NEAR 70.2N 146.7W
TO 72.4N 151.6W TO 72.4N 147.6W TO 71.1N 139.5W AND CONTINUES IN
CANADIAN WATERS. THE ICE EDGE IS MAINLY OPEN WATER.

FORECAST THROUGH FRIDAY FOR THE BEAUFORT SEA...WINDS WILL SHIFT FROM
WESTERLY THROUGH TUESDAY TO LIGHT AND VARIABLE AS HIGH PRESSURE
SLIDES INTO THE REGION ON WEDNESDAY. EXPECT ICE IN NAVAGATIONAL
WATERS BETWEEN POINT BARROW AND PRUDHOE BAY TO CONTINUE TO MELT AND
SHIFT 3 TO 6 NM TO THE EAST. LIGHT MODERATE SOUTHEAST WINDS WILL
PUSH ICE BACK TO THE NORTHWEST 1 OR 2 NM BY FRIDAY.

-CHUKCHI SEA-
PKZ500-WESTERN U.S. ARCTIC OFFSHORE-
PKZ230-CAPE BEAUFORT TO POINT FRANKLIN-

THE MAIN ICE EDGE IN THE CHUKCHI SEA EXTENDS FROM NEAR POINT BARROW
TO 72.9N 162.0W TO 72.6N 172.5W TO 69.5N 177.7 AT THE RUSSIAN COAST.

FORECAST THROUGH FRIDAY FOR THE CHUKCHI SEA...SOUTH TO SOUTHEASTERLY
WINDS WILL PERSIST THROUGH FRIDAY AS A NEW LOW AND FRONT SLIDE INTO
THE AREA. EXPECT THE ICE EDGE TO MOVE 5 TO 10 NM TO THE NORTHWEST
THROUGH FRIDAY.


$$



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