Ice Forecast
Issued by NWS Anchorage, AK

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000
FZAK80 PAFC 012200
ICEAFC

SEA ICE ADVISORY FOR WESTERN AND ARCTIC ALASKAN COASTAL WATERS
NATIONAL WEATHER SERVICE ANCHORAGE ALASKA
205 PM AKDT WEDNESDAY 1 APRIL 2015

FORECAST VALID...MONDAY 6 APRIL 2015

ANALYSIS CONFIDENCE...HIGH

SYNOPSIS...A LOW OVER THE GULF OF ALASKA WILL SHIFT SOUTHEAST
THROUGH THE END OF THE WEEK. A RIDGE OF HIGH PRESSURE OVER THE
CENTRAL BERING SEA WILL SHIFT OVER THE WEST COAST OF ALASKA FRIDAY.
A SERIES OF LOWS WILL SHIFT FROM THE CENTRAL BERING SEA TO THE GULF
OF ALASKA SATURDAY THROUGH MONDAY.

-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 FROM CAPE NEWENHAM TO
58.0N 167.0W TO 57.2N 172.7W TO 58.6N 176.1W TO 61.8N 178.8W AND
CONTINUES ALONG THE RUSSIAN COAST. LOW CONCENTRATIONS OF ICE ARE
ALSO PRESENT IN SHALLOW BAYS ALONG NORTHERN BRISTOL BAY. THE ICE
EDGE IS OPEN WATER.

FORECAST THROUGH MONDAY FOR THE BERING SEA...SOUTHERLY TO
SOUTHEASTERLY FLOW WILL DEVELOP OVER THE WESTERN BERING SEA LATE
WEDNESDAY AS THE NEXT LOW MOVES INTO THE BERING SEA. THE
SOUTHEASTERLY FLOW WILL SPREAD EAST ACROSS THE BERING SEA THURSDAY
THROUGH FRIDAY. WINDS WILL BECOME VARIABLE THROUGH THE WEEKEND AS A
SECOND LOW MOVES OVER THE BERING SEA... WITH NORTHEASTERLY TO
NORTHWESTERLY FLOW OVER MUCH OF THE ICE EDGE LATE SUNDAY INTO MONDAY
AS THE LOW TRACKS EAST. THE OVERALL ICE EDGE IS EXPECTED TO RETREAT
TO THE NORTH 25 TO 40 NM THROUGH MONDAY.

-COOK INLET-

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

COOK INLET ANALYSIS CONFIDENCE...HIGH

SYNOPSIS FOR COOK INLET...A LOW OVER THE NORTHERN GULF OF ALASKA
WILL SHIFT SOUTHEAST THROUGH SATURDAY. A RIDGE OF HIGH PRESSURE WILL
PASS OVER SOUTHCENTRAL ALASKA SATURDAY... FOLLOWED BY A SERIES OF
LOWS LATE SATURDAY THROUGH MONDAY.

THE MAIN ICE EDGE LIES FROM THE COAST FROM 60.9N 150.7W TO 60.7N
151.6W TO 60.9N 151.5W TO 61.2N 150.2W TO 61.2N 150.9W. THE ICE EDGE
IS OPEN WATER.

FORECAST FOR COOK INLET THROUGH MONDAY...NORTHERLY WINDS ARE
EXPECTED TO PERSIST OVER THE INLET THROUGH MONDAY WITH DAYTIME HIGHS
RANGING FROM THE MID TO LOW 40S AND OVERNIGHT LOWS NEAR THE FREEZING
POINT. THE ABOVE AVERAGE TEMPERATURES ARE EXPECTED TO CONTINUE
MELTING OUT THE REMAINING SEA ICE IN THE INLET THROUGH MONDAY.

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



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