Sea Ice Advisory


FZAK80 PAFC 280000
ICEAFC

SEA ICE ADVISORY FOR WESTERN AND ARCTIC ALASKAN COASTAL WATERS
NATIONAL WEATHER SERVICE ANCHORAGE ALASKA 
400 PM AKDT FRIDAY 27 MAY 2016 

FORECAST VALID...WEDNESDAY 1 JUNE 2016

ANALYSIS CONFIDENCE...MODERATE
                      
SYNOPSIS...A SERIES OF LOWS WILL MOVE OVER THE WESTERN AND SOUTHERN
BERING SEA THROUGH WEDNESDAY. HIGH PRESSURE WILL PERSIST OVER MUCH
OF THE BEAUFORT AND CHUKCHI SEAS THROUGH MONDAY. A LOW WILL MOVE
OVER THE EASTERN BEAUFORT SEA ON TUESDAY. 

-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-
PKZ215-KOTZEBUE SOUND-

ICE COVERED.

FORECAST THROUGH WEDNESDAY FOR THE CHUKCHI SEA...DURING THIS TIME IT
IS POSSIBLE THAT DETERIORATING SHOREFAST ICE LYING BEYOND BARRIER
ISLANDS IN THE VICINITY OF CAPE LISBURNE...POINT FRANKLIN...AND
ALONG THE COAST FROM POINT LAY TO ICY CAPE COULD CONTINUE TO BREAK
OFF AND DRIFT OFFSHORE. EXTRA CARE SHOULD BE TAKEN WHILE ON OR NEAR
THE COASTAL ICE IN THESE REGIONS THROUGH WEDNESDAY.

-BERING SEA-

PKZ210-DALL POINT TO WALES-
PKZ200-NORTON SOUND-
PKZ181-NORTH AND WEST OF NUNIVAK ISLAND-
PKZ180-KUSKOKWIM DELTA AND ETOLIN STRAIT-

THE MAIN ICE EDGE IN THE BERING SEA EXTENDS FROM A POINT NEAR PORT
CLARENCE TO 64.3N 165.5W TO 63.2N 165.3W TO 62.4N 168.4W TO 63.0N
167.1W TO 63.9N 167.2W TO THE EAST COAST OF SAINT LAWRENCE ISLAND.
THE ICE EDGE THEN CONTINUES FROM NEAR GAMBELL TO 64.2N 168.5W TO A
POINT NEAR THE DIOMEDE ISLANDS AND CONTINUES ALONG THE RUSSIAN
COAST. AN ISOLATED AREA OF RAPIDLY DETERIORATING SEA ICE ALSO LIES
TO THE NORTHWEST OF SAINT MATTHEW ISLAND IN THE WESTERN BERING SEA.
THE ICE EDGE IS MAINLY OPEN WATER.

FORECAST THROUGH WEDNESDAY FOR THE BERING SEA...LIGHT AND VARIABLE
WIND OVER MUCH OF THE ICE PACK WILL STRENGTHEN AND BECOME EASTERLY
BY MONDAY...THEN BECOME MORE NORTHERLY ON WEDNESDAY. 

SEA ICE CONCENTRATIONS IN THE BERING SEA WILL CONTINUE TO DECREASE
THROUGH WEDNESDAY. WE EXPECT MUCH OF THE REMAINING SEA ICE IN THE
CENTRAL BERING SEA TO MELT OUT TO SEA ICE FREE CONDITIONS BY MONDAY
OWING TO WIND AND WAVE ACTION.

COASTAL ICE ALONG THE NORTHERN SIDE OF SAINT LAWRENCE ISLAND IS ALSO
EXPECTED TO CONTINUE TO DETERIORATE THROUGH WEDNESDAY. LARGE
SECTIONS OF THE COASTAL ICE COULD BREAK OFF AND DRIFT TO THE NORTH.
EXTRA CARE SHOULD BE TAKEN WHILE ON OR NEAR THE COASTAL ICE IN THIS
REGION THROUGH WEDNESDAY.

$$