Sea Ice Advisory


FZAK80 PAFC 060050
ICEAFC

SEA ICE ADVISORY FOR WESTERN AND ARCTIC ALASKAN COASTAL WATERS
NATIONAL WEATHER SERVICE ANCHORAGE ALASKA 
350 PM AKST FRIDAY 5 FEBRUARY 2016 

FORECAST VALID...WEDNESDAY 10 FEBRUARY 2016

ANALYSIS CONFIDENCE...HIGH TO MODERATE
                      
SYNOPSIS...A BROAD AREA OF LOW PRESSURE OVER THE SOUTHEAST BERING
WILL MOVE TO NEAR SAINT MATTHEW ISLAND BY SUNDAY AND THEN DISSIPATE
SUNDAY NIGHT. A DEEP NORTH PACIFIC LOW WILL PASS SOUTH OF THE
ALEUTIAN CHAIN SUNDAY NIGHT THROUGH WEDNESDAY.
 
-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-

ICE COVERED.

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

THE MAIN ICE EDGE IN THE BERING SEA EXTENDS FROM NEAR 59.5N 161.8W
TO 59.5N 169.2W TO 60.5N 169.4W TO 61.5N 172.2W TO 61.6N 177.8W AND
CONTINUES IN RUSSIAN WATERS. THE ICE EDGE IS MAINLY OPEN WATER. SEA
ICE IS ALSO PRESENT IN SHELTERED BAYS ALONG THE NORTHERN COAST OF
BRISTOL BAY.

FORECAST THROUGH WEDNESDAY FOR THE BERING SEA...WINDS WILL BE LIGHT
AND VARIABLE THROUGH THE WEEKEND OVER THE NORTHERN BERING BEFORE
INCREASING AND BECOMING EAST TO NORTHEAST ON MONDAY AND PERSISTING
THROUGH WEDNESDAY. THE ICE EDGE IS EXPECTED TO EXPAND TO THE
SOUTHWEST 20 TO 30 NM THROUGH WEDNESDAY...WITH LITTLE GROWTH WITHIN
BRISTOL BAY.

-COOK INLET-
PKZ130-WEST OF BARREN ISLANDS INCLUDING KAMISHAK BAY-
PKZ139-COOK INLET KALGIN ISLAND TO PT. BEDE-
PKZ140-COOK INLET NORTH OF KALGIN ISLAND-

COOK INLET ANALYSIS CONFIDENCE...HIGH TO MODERATE

SYNOPSIS FOR COOK INLET...VARIABLE WINDS WILL PERSIST OVER COOK
INLET THROUGH SATURDAY BEFORE A FRONT MOVES OVER THE REGION ON
SUNDAY. LIGHT NORTHERLY FLOW WILL THEN REMAIN OVER THE REGION
THROUGH WEDNESDAY.

THE ICE EDGE STRETCHES FROM A POINT NEAR THE MOUTH OF THE KENAI
RIVER TO 60.7N 152.1W. SEA ICE IS ALSO PRESENT IN SHALLOW PROTECTED
BAYS ALONG THE WEST COAST OF LOWER COOK INLET. THE ICE EDGE IS
MAINLY OPEN WATER.

FORECAST THROUGH WEDNESDAY FOR COOK INLET...WITH DAYTIME HIGHS NEAR
OR ABOVE FREEZING AND OVERNIGHT LOWS IN THE MID 20S...NEW SEA ICE
DEVELOPMENT IN UPPER COOK INLET IS NOT ANTICIPATED THROUGH
WEDNESDAY. 

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

$$