Ice Forecast
Issued by NWS Anchorage, AK

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000
FZAK80 PAFC 312223
ICEAFC

SEA ICE ADVISORY FOR WESTERN AND ARCTIC ALASKAN COASTAL WATERS
NATIONAL WEATHER SERVICE ANCHORAGE ALASKA
225 PM AKDT FRIDAY 31 OCTOBER 2014

FORECAST VALID...WEDNESDAY 5 NOVEMBER 2014

ANALYSIS CONFIDENCE...MODERATE.

SYNOPSIS...HIGH PRESSURE WILL PERSIST OVER MUCH OF THE CHUKCHI AND
BEAUFORT SEAS THROUGH WEDNESDAY. A SERIES OF LARGE STRONG LOWS WILL
PASS ACROSS THE BERING SEA... CROSSING OVER TO THE GULF OF ALASKA
THROUGH WEDNESDAY.

-ARCTIC OCEAN-

ICE COVERED.

-CHUKCHI SEA-
PKZ500-WESTERN US ARCTIC OFFSHORE-
PKZ230-CAPE BEAUFORT TO POINT FRANKLIN-
PKZ225-CAPE THOMPSON TO CAPE BEAUFORT-
PKZ215-KOTZEBUE SOUND-

THE MAIN ICE EDGE LIES FROM NEAR WAINWRIGHT TO 71.2N 163.7W TO 72.0N
165.2W TO 71.4N 169.3W TO 71.9N 171.6W TO 72.9N 171.4W AND CONTINUES
INTO THE RUSSIAN ARCTIC. THE ICE EDGE IS MAINLY OPEN WATER. NEW AND
YOUNG SEA ICE HAS FORMED IN THE PROTECTED SHALLOW WATERS ALONG THE
ALASKA COAST FROM WALES UP TO WAINWRIGHT. NEW AND YOUNG SEA ICE HAS
ALSO FORMED IN THE SHALLOW WATERS OF KOTZEBUE SOUND AND NEAR
KIVALINA.

FORECAST THROUGH WEDNESDAY FOR THE CHUKCHI SEA...EASTERLY TO
NORTHERLY FLOW IS EXPECTED TO PERSIST OVER MUCH OF THE CHUKCHI SEA
ICE EDGE THROUGH WEDNESDAY.  THE OVERALL ICE EDGE IS EXPECTED TO
EXPAND TO THE SOUTHWEST 20 TO 40 NM THROUGH WEDNESDAY.

-BEAUFORT SEA-
PKZ505-CENTRAL US ARCTIC OFFSHORE-
PKZ510-EASTERN US ARCTIC OFFSHORE-
PKZ235-POINT FRANKLIN TO CAPE HALKETT-
PKZ240-CAPE HALKETT TO FLAXMAN ISLAND-
PKZ245-FLAXMAN ISLAND TO DEMARCATION POINT-

ICE COVERED.

FORECAST THROUGH WEDNESDAY FOR THE BEAUFORT SEA...AREAS OF LOWER
CONCENTRATION NEW SEA ICE WILL CONTINUE TO INCREASE IN SEA ICE
CONCENTRATION AND THICKNESS THROUGH WEDNESDAY.

-BERING SEA-
PKZ200-NORTON SOUND-
PKZ210-DALL POINT TO WALES-
PKZ180-KUSKOKWIM DELTA AND ETOLIN STRAIT-

NEW SEA ICE IS CONTINUING TO SLOWLY FORM IN THE SHALLOW PROTECTED
WATERS ALONG THE ALASKA COAST INCLUDING WITHIN NORTON SOUND FROM
NEAR EMMONAK TO NEAR PORT SAFETY.

FORECAST THROUGH WEDNESDAY FOR THE BERING SEA...NEW SEA ICE IS
EXPECTED TO SLOWLY CONTINUE FORMING IN THE SHALLOW PROTECTED WATERS
ALONG THE ALASKA WEST COAST THROUGH WEDNESDAY.

$$
HEIM



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