Ice Forecast
Issued by NWS Anchorage, AK

Home | Current Version | Previous Version | Text Only | Print | Product List | Glossary On
Versions: 1 2 3 4 5 6 7
000
FZAK80 PAFC 200021
ICEAFC

SEA ICE ADVISORY FOR WESTERN AND ARCTIC ALASKAN COASTAL WATERS
NATIONAL WEATHER SERVICE ANCHORAGE ALASKA
221 PM AKST FRIDAY 19 DECEMBER 2014

FORECAST VALID...WEDNESDAY 24 DECEMBER 2014

ANALYSIS CONFIDENCE...MODERATE

SYNOPSIS...A SERIES OF LARGE LOWS WILL PASS THROUGH THE BERING SEA
AND GULF OF ALASKA THROUGH 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-
PKZ180-KUSKOKWIM DELTA AND ETOLIN STRAIT-
PKZ181-NORTH AND WEST OF NUNIVAK ISLAND-

THE MAIN ICE EDGE LIES FROM THE ALASKA COAST NEAR 59.3N 162W TO
59.4N 163.9W TO 60.9N 168.1W TO 64.6N 168.5W TO 64.7N 169.5W TO
63.9N 170W TO 63.8N 171.6W TO 63.8N 173.6W TO 63.2N 174.2W TO 63.1N
175.1 TO 66.7N 175.5W AND CONTINUES ALONG THE RUSSIAN COAST. THE ICE
EDGE IS MAINLY OPEN WATER AND 7 TO 9 TENTHS NEW AND YOUNG ICE.

ALONG THE COAST OF SAINT LAWRENCE ISLAND...NEW AND YOUNG ICE OF 1 TO
9 TENTHS COVERAGE EXTENDS UP TO 11 NM FROM THE COAST. THERE IS NEW
AND YOUNG ICE IN SHALLOW BAYS OF NORTHERN BRISTOL BAY AS WELL.

FORECAST THROUGH WEDNESDAY FOR THE BERING SEA...A SERIES OF LOWS
WILL CAUSE WINDS TO VARY FROM NORTH TO EAST THROUGH WEDNESDAY. THE
ICE EDGE NORTH OF SAINT LAWRENCE ISLAND IS EXPECTED TO EXPAND TO THE
SOUTH 30 TO 40 NM THROUGH WEDNESDAY. THE ICE EDGE SOUTH OF SAINT
LAWRENCE ISLAND IS EXPECTED TO MOVE TO THE WEST-SOUTHWEST 15 TO 30
NM THROUGH WEDNESDAY.

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

COOK INLET ANALYSIS CONFIDENCE...MODERATE.

SYNOPSIS FOR COOK INLET...A SERIES OF LOWS WILL PASS OVER THE GULF
OF ALASKA THROUGH WEDNESDAY.

1 TO 9 TENTHS NEW ICE IS REMAINING THROUGH THE DAYTIME HOURS NORTH
OF FIRE ISLAND.

FORECAST FOR COOK INLET THROUGH WEDNESDAY...NEW SEA ICE IS EXPECTED
TO INCREASE IN CONCENTRATION NORTH OF THE FORELANDS THROUGH
WEDNESDAY AS THE AIRMASS OVER THE COOK INLET REGION COOLS THROUGH
THE WEEKEND.

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

$$


USA.gov is the U.S. government's official web portal to all federal, state and local government web resources and services.