FZAK80 PAFC 232304
ICEAFC

SEA ICE ADVISORY FOR WESTERN AND ARCTIC ALASKAN COASTAL WATERS
NATIONAL WEATHER SERVICE ANCHORAGE ALASKA
304 PM AKDT WEDNESDAY 23 APRIL 2014 

FORECAST VALID...MONDAY 28 APRIL 2014

ANALYSIS CONFIDENCE...HIGH TO MODERATE.

SYNOPSIS...A LARGE LOW OVER THE WESTERN ALEUTIANS WILL MOVE EASTWARD 
ACROSS THE ALEUTIAN ISLAND CHAIN THROUGH THE WEEK AND INTO THE GULF 
OF ALASKA ON SATURDAY. ANOTHER LOW WILL MOVE INTO THE WESTERN BERING 
SEA ON MONDAY.

-ARCTIC OCEAN-
-BEAUFORT SEA-
-CHUKCHI SEA- 
PKZ245-FLAXMAN ISLAND TO DEMARCATION POINT-
PKZ240-CAPE HALKETT TO FLAXMAN ISLAND-
PKZ235-POINT FRANKLIN TO CAPE HALKETT-
PKZ230-CAPE BEAUFORT TO POINT FRANKLIN-
PKZ225-CAPE THOMPSON TO CAPE BEAUFORT-
PKZ220-WALES TO CAPE THOMPSON-
PKZ215-KOTZEBUE SOUND-
PKZ200-NORTON SOUND-

ICE COVERED.

-BERING SEA-
PKZ210-DALL POINT TO WALES-
PKZ181-NORTH AND WEST OF NUNIVAK ISLAND-
PKZ180-KUSKOKWIM DELTA AND ETOLIN STRAIT-

THE ICE EDGE LIES ALONG THE COAST FROM KUSKOKWIM BAY TO SCAMMON 
BAY...THEN TO 62.5N 166.7W TO 60.6N 168.7W TO 60.3N 165.2W TO 59.3N 
172.6W TO 61.3N 176.4E AND CONTINUES ALONG THE BERING SEA COAST OF 
RUSSIA. THE ICE EDGE RANGES 4 TO 7 TENTHS YOUNG...NEW AND FIRST YEAR 
THIN ICE IN STRIPS. FROM SAINT MATTHEW ISLAND TO NUNIVAK ISLAND THE 
ICE EDGE IS MAINLY OPEN WATER. 

FORECAST THROUGH MONDAY...EASTERLY FLOW WILL PERSIST THROUGH 
SATURDAY...THEN BECOME MOSTLY NORTHERLY. THE OVERALL ICE EDGE IS 
EXPECTED TO SHIFT TO THE WEST-SOUTHWEST 15 TO 25 NM THROUGH MONDAY 
AS STRIPS OF ICE ARE PULLED OFF THE MAIN ICE PACK. THE AREA SOUTH OF 
NUNIVAK ISLAND OVER TO KUSKOKWIM BAY SHOULD REMAIN SEA ICE FREE WITH 
THE ONLY ICE REMAINING NEAR SHORE WITH STRIPS OF ICE BEING PULLED 
OFF THE PREVIOUSLY SHOREFAST ICE. RIVER ICE WILL CONTINUE TO ENTER 
BRISTOL BAY NEAR RIVER DELTAS THROUGH BREAKUP.
 
SCHRECK 2014



National Weather Service Anchorage Forecast Office: http://pafc.arh.noaa.gov