Ice Forecast
Issued by NWS Anchorage, AK

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000
FZAK80 PAFC 202254
ICEAFC

SEA ICE ADVISORY FOR WESTERN AND ARCTIC ALASKAN COASTAL WATERS
NATIONAL WEATHER SERVICE ANCHORAGE ALASKA
255 PM AKDT MONDAY 20 OCTOBER 2014

FORECAST VALID...SATURDAY 25 OCTOBER 2014

ANALYSIS CONFIDENCE...MODERATE.

SYNOPSIS...HIGH PRESSURE WILL PERSIST OVER THE CHUKCHI AND BEAUFORT
SEAS THROUGH THE END OF THE WEEK. A FRONT WILL MOVE THROUGH THE
CHUKCHI SEA TUESDAY THROUGH SATURDAY AS A LOW MOVES EASTWARD ACROSS
FAR EAST RUSSIA.

-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 A POINT ROUGHLY 50 NM NORTH OF BARROW TO
72.6N 161.5W TO 73.7N 166.9W TO 73.1N 169.4W TO 73.1N 174.7W TO
73.7N 178.9E TO 72.6N 178.8E TO 72.4N 175E AND CONTINUES WEST IN THE
RUSSIAN ARCTIC. THE ICE EDGE CONSISTS OF OPEN WATER. NEW TO YOUNG
ICE HAS FORMED IN THE PROTECTED WATERS OF THE ALASKA COAST FROM
PEARD BAY TO POINT HOPE. NEW SEA ICE HAS ALSO FORMED IN THE SHALLOW
WATERS OF KOTZEBUE SOUND AND THE PROTECTED WATERS NEAR KIVALINA.

FORECAST THROUGH SATURDAY FOR THE CHUKCHI SEA...MODERATE TO STRONG
EASTERLY FLOW IS EXPECTED TO PERSIST OVER THE CHUKCHI SEA ICE EDGE
THROUGH FRIDAY. THE OVERALL ICE EDGE IS EXPECTED TO EXPAND TO THE
WEST SOUTHWEST 25 TO 35 NM THROUGH SATURDAY. IN ADDITION NEW ICE IS
EXPECTED TO CONTINUE FORMING IN THE PROTECTED SHALLOW AREAS ALONG
THE COAST FROM KOTZEBUE SOUND UP TO PEARD BAY.

-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-SATURDAY

THE MAIN ICE EDGE LIES FROM THE SOUTHWEST COAST OF BANKS ISLAND TO
72.6N 127.1W TO 71.4N 132.2W TO 70.9N 141.6W TO 71.6N 153.2W TO A
POINT ROUGHLY 50 NM NORTH OF POINT BARROW. THE ICE EDGE IS MAINLY
OPEN WATER. NEW SEA ICE LIES UP TO 100 NM OFF THE NORTHERN COASTLINE
OF ALASKA EAST OF HARRISON BAY AND UP TO 8NM OFF THE NORTHERN
COASTLINE OF ALASKA BETWEEN BARROW AND HARRISON BAY.

FORECAST THROUGH SATURDAY FOR THE BEAUFORT SEA...MODERATE EASTERLY
TO NORTHEASTERLY FLOW WILL PERSIST OVER MUCH OF THE BEAUFORT SEA
THROUGH SATURDAY. THE OVERALL ICE EDGE IS EXPECTED TO EXPAND 25 TO
30 NM TO THE WEST SOUTHWEST THROUGH SATURDAY AND NEW SEA ICE IS
EXPECTED TO CONTINUE FORMING WITHIN THE BARRIER ISLANDS OF THE
ALASKA NORTH COAST AND IN LOCATIONS OF LIGHT WINDS.

-BERING SEA-
PKZ200-NORTON SOUND-

NEW SEA ICE IS BEGINNING TO FORM IN THE SHALLOW PROTECTED WATERS OF
NORTHERN NORTON SOUND FROM PORT SAFETY TO GOLOVIN TO KOYUK.

FORECAST THROUGH SATURDAY FOR THE BERING SEA...NEW SEA ICE IS
EXPECTED TO SLOWLY CONTINUE FORMING IN THE SHALLOW PROTECTED WATERS
OF NORTHERN NORTON SOUND THROUGH SATURDAY.

$$

SCHRECK



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