Ice Forecast
Issued by NWS Anchorage, AK

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FZAK80 PAFC 272214
ICEAFC

SEA ICE ADVISORY FOR WESTERN AND ARCTIC ALASKAN COASTAL WATERS
NATIONAL WEATHER SERVICE ANCHORAGE ALASKA
115 PM AKST FRIDAY 27 FEBRUARY 2015

FORECAST VALID...WEDNESDAY 04 MARCH 2015

ANALYSIS CONFIDENCE... LOW TO MODERATE

SYNOPSIS...A WEAK LOW OVER THE CENTRAL BERING SEA WILL SHIFT OVER
THE NORTH SLOPE OF ALASKA SATURDAY... MOVING NEAR BANKS ISLAND
SUNDAY. A RIDGE OF HIGH PRESSURE WILL MOVE OVER THE WESTERN BERING
SEA LATE FRIDAY... SHIFTING OVER THE ALASKA WEST COAST SUNDAY...
CONTINUING OVER NORTHERN ALASKA SUNDAY. ANOTHER LARGE LOW WILL MOVE
OVER THE WESTERN BERING SEA SATURDAY... SHIFTING OVER THE CENTRAL
BERING SEA LATE MONDAY... AND CONTINUING OVER THE CHUKCHI SEA ON
TUESDAY.  A THIRD LOW IS EXPECTED TO MOVE OVER THE WESTERN BERING
SEA LATE TUESDAY INTO WEDNESDAY.

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

ICE COVERED.

-BERING SEA-

PKZ215-KOTZEBUE SOUND-
PKZ200-NORTON SOUND-
PKZ210-DALL POINT TO WALES-
PKZ160-BRISTOL BAY-
PKZ180-KUSKOKWIM DELTA AND ETOLIN STRAIT-
PKZ181-NORTH AND WEST OF NUNIVAK ISLAND-
PKZ185-SAINT MATTHEW ISLAND WATERS-

THE MAIN ICE EDGE LIES FROM THE ALASKA COAST NEAR 58.7N 157.1W TO
58.1N 159.1W TO 59.4N 164.4W TO 58.5N 167.1W TO 58.8N 172.7W TO
62.4N 179.6W AND CONTINUES ALONG THE RUSSIAN COAST. THE ICE EDGE IS
MAINLY OPEN WATER.

FORECAST THROUGH WEDNESDAY FOR THE BERING SEA...PERIODS OF MODERATE
SOUTHEASTERLY TO SOUTHWESTERLY FLOW WILL PERSIST OVER MUCH OF THE
ICE EDGE THROUGH WEDNESDAY. THE OVERALL ICE EDGE IS EXPECTED TO
RETREAT TO THE NORTH 15 TO 25 NM THROUGH WEDNESDAY.

-COOK INLET-
PKZ140-COOK INLET NORTH OF KAMISHAK BAY AND ENGLISH BAY-

COOK INLET ANALYSIS CONFIDENCE...MODERATE TO HIGH

SYNOPSIS FOR COOK INLET...HIGH PRESSURE OVER THE GULF OF ALASKA
FRIDAY AFTERNOON WILL SHIFT TO THE SOUTH LATE FRIDAY. A TROUGH OF
LOW PRESSURE WILL MOVE ACROSS SOUTHCENTRAL ALASKA FRIDAY NIGHT AND
PERSIST THROUGH LATE SATURDAY. HIGH PRESSURE WILL BUILD BACK IN OVER
SOUTHCENTRAL ALASKA SUNDAY... SLOWLY SHIFTING TO THE EAST THROUGH
EARLY NEXT WEEK AS ANOTHER LOW MOVES OVER THE WEST COAST OF ALASKA.

THE MAIN ICE EDGE LIES FROM THE COAST NEAR 60.4N 151.3W TO 60.6N
151.4W TO 60.3N 151.8W TO 60.6N 151.9W TO 60.5N 152.6W. THE ICE EDGE
IS OPEN WATER. LOW CONCENTRATIONS OF ICE ARE ALSO PRESENT IN SHALLOW
BAYS ALONG THE WEST COAST OF LOWER COOK INLET.

FORECAST FOR COOK INLET THROUGH WEDNESDAY...DAYTIME TEMPERATURES ARE
EXPECTED TO REMAIN ABOVE FREEZING THROUGH WEDNESDAY WITH OVERNIGHT
LOWS IN THE 20S. THE OVERALL ICE PACK WILL CONTINUE TO DECREASE IN
THICKNESS AND CONCENTRATION THROUGH WEDNESDAY. ADDITIONAL STRIPS OF
ICE MAY BE CAUGHT IN THE RIP NEAR THE WEST FORELAND DAILY WITH THE
TIDE CHANGE.

PLEASE NOTE...COOK INLET SEA ICE CHANGES SIGNIFICANTLY WITH THE
TIDES.



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