Sea Ice Advisory


FZAK80 PAFC 272324
ICEAFC

SEA ICE ADVISORY FOR WESTERN AND ARCTIC ALASKAN COASTAL WATERS 
NATIONAL WEATHER SERVICE ANCHORAGE ALASKA 
324 PM AKDT WEDNESDAY 27 MAY 2015 

FORECAST VALID...MONDAY 1 JUNE 2015

ANALYSIS CONFIDENCE...HIGH
                      
SYNOPSIS...A LOW WILL MOVE ACROSS THE WESTERN BERING SEA THROUGH 
SATURDAY...THEN WEAK LOW PRESSURE WILL REMAIN OVER THE CENTRAL AND 
SOUTHERN BERING SEA THROUGH MONDAY. HIGH PRESSURE IS EXPECTED TO 
PERSIST ACROSS MUCH OF THE BEAUFORT SEA AND CHUKCHI SEA THROUGH 
MONDAY. 

-ARCTIC OCEAN-
-BEAUFORT SEA-

PKZ505-CENTRAL US ARCTIC OFFSHORE-PKZ510-EASTERN US ARCTIC OFFSHORE-
PKZ235-POINT FRANKLIN TO CAPE HALKETT- PKZ240-CAPE HALKETT TO 
FLAXMAN ISLAND-PKZ245-FLAXMAN ISLAND TO DEMARCATION POINT-

ICE COVERED.

-CHUKCHI SEA-

PKZ500-WESTERN US ARCTIC OFFSHORE-PKZ220-WALES TO CAPE THOMPSON-
PKZ225-CAPE THOMPSON TO CAPE BEAUFORT-PKZ230-CAPE BEAUFORT TO POINT 
FRANKLIN-

THE ICE EDGE LIES FROM 65N 166.7W TO 65.8N 170.2W TO THE RUSSIAN 
COAST NEAR 64.3N 172.9W.

WIND FLOW WILL BE MODERATE EASTERLY OR LIGHT THROUGH MONDAY. THE 
EASTERN ICE EDGE OF THE OPEN WATER AREA IS EXPECTED TO MOVE WEST 10 
TO 20 NM THROUGH MONDAY. THE WESTERN ICE EDGE OF THE OPEN WATER AREA 
WILL COMPACT IN RUSSIAN WATERS. 
 
-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-PKZ185-SAINT MATTHEW ISLAND WATERS-

THE MAIN ICE EDGE LIES FROM 65N 166.7W TO 65.8N 170.2W TO THE 
RUSSIAN COAST NEAR 64.3N 172.9W.

ISOLATED ICE FLOES ALSO REMAIN TO THE NORTHWEST OF SAINT MATTHEW 
ISLAND AS WELL AS TO THE NORTH AND NORTHEAST OF SAINT LAWRENCE 
ISLAND. 

FORECAST THROUGH MONDAY FOR THE BERING SEA...SOUTHEASTERLY FLOW IS 
EXPECTED TO PERSIST OVER MUCH OF THE BERING SEA ICE EDGE THROUGH 
MONDAY WITH PERIODS OF MODERATE FLOW. THE BERING SEA IS EXPECTED TO 
BE SEA ICE FREE BY MONDAY...WITH THE EXCEPTION OF ICE REMAINING IN 
THE LAGOONS AROUND SAINT LAWRENCE ISLAND.
 
$$