Ice Forecast
Issued by NWS Anchorage, AK

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FZAK80 PAFC 302334
ICEAFC

SEA ICE ADVISORY FOR WESTERN AND ARCTIC ALASKAN COASTAL WATERS
NATIONAL WEATHER SERVICE ANCHORAGE ALASKA
330 PM AKDT MONDAY 30 MAY 2016

FORECAST VALID...SATURDAY 4 JUNE 2016

ANALYSIS CONFIDENCE...MODERATE

SYNOPSIS...WEAK HIGH PRESSURE WILL PERSIST OVER CHUKCHI SEA AND
NORTHERN BERING SEA THROUGH SATURDAY. A LOW WILL REMAIN OVER THE
EASTERN BEAUFORT SEA THROUGH SATURDAY.

-ARCTIC OCEAN-
-BEAUFORT SEA-
-CHUKCHI SEA-
PKZ510-EASTERN US ARCTIC OFFSHORE-
PKZ505-CENTRAL US ARCTIC OFFSHORE-
PKZ245-FLAXMAN ISLAND TO DEMARCATION POINT-
PKZ240-CAPE HALKETT TO FLAXMAN ISLAND-
PKZ235-POINT FRANKLIN TO CAPE HALKETT-
PKZ500-WESTERN US ARCTIC OFFSHORE-
PKZ230-CAPE BEAUFORT TO POINT FRANKLIN-
PKZ225-CAPE THOMPSON TO CAPE BEAUFORT-
PKZ220-WALES TO CAPE THOMPSON-
PKZ215-KOTZEBUE SOUND-

ICE COVERED.

FORECAST THROUGH SATURDAY FOR THE CHUKCHI SEA...DURING THIS TIME IT
IS POSSIBLE THAT DETERIORATING SHOREFAST ICE LYING BEYOND BARRIER
ISLANDS IN THE VICINITY OF CAPE LISBURNE...POINT FRANKLIN...AND
ALONG THE COAST FROM POINT LAY TO ICY CAPE COULD CONTINUE TO BREAK
OFF AND DRIFT OFFSHORE. EXTRA CARE SHOULD BE TAKEN WHILE ON OR NEAR
THE COASTAL ICE IN THESE REGIONS THROUGH SATURDAY.

-BERING SEA-

PKZ210-DALL POINT TO WALES-
PKZ200-NORTON SOUND-
PKZ181-NORTH AND WEST OF NUNIVAK ISLAND-
PKZ180-KUSKOKWIM DELTA AND ETOLIN STRAIT-

THE MAIN ICE EDGE IN THE BERING SEA EXTENDS FROM A POINT NEAR PORT
CLARENCE TO 63.3N 165.2W TO 62.4N 167.4W TO 63.9N 167.2W TO THE EAST
COAST OF SAINT LAWRENCE ISLAND. THE ICE EDGE THEN CONTINUES FROM
NEAR GAMBELL TO 64.2N 168.6W TO A POINT NEAR THE DIOMEDE ISLANDS AND
CONTINUES ALONG THE RUSSIAN COAST. AN ISOLATED AREA OF RAPIDLY
DETERIORATING SEA ICE ALSO LIES TO THE SOUTHWEST OF SAINT LAWRENCE
ISLAND IN THE WESTERN BERING SEA. THE ICE EDGE IS MAINLY OPEN WATER.

FORECAST THROUGH SATURDAY FOR THE BERING SEA...EASTERLY WINDS OVER
MUCH OF THE ICE PACK WILL BECOME NORTHERLY BY WEDNESDAY AND CONTINUE
THROUGH SATURDAY.

SEA ICE CONCENTRATIONS IN THE BERING SEA WILL CONTINUE TO DECREASE
THROUGH SATURDAY. WE EXPECT MUCH OF THE REMAINING SEA ICE IN THE
CENTRAL BERING SEA TO MELT OUT TO SEA ICE FREE CONDITIONS BY
WEDNESDAY OWING TO WIND AND WAVE ACTION.

COASTAL ICE ALONG THE NORTHERN SIDE OF SAINT LAWRENCE ISLAND IS ALSO
EXPECTED TO CONTINUE TO DETERIORATE THROUGH SATURDAY. LARGE SECTIONS
OF THE COASTAL ICE COULD BREAK OFF AND DRIFT TO THE NORTH.
EXTRA CARE SHOULD BE TAKEN WHILE ON OR NEAR THE COASTAL ICE IN THIS
REGION THROUGH SATURDAY.

$$


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