428  
FZAK80 PAFC 222149  
ICEAFC  
 
SEA ICE ADVISORY FOR WESTERN AND ARCTIC ALASKAN COASTAL WATERS  
NATIONAL WEATHER SERVICE ANCHORAGE ALASKA  
150 PM AKDT FRIDAY 22 JUNE 2018  
 
FORECAST VALID...WEDNESDAY 27 JUNE 2018  
 
ANALYSIS CONFIDENCE...HIGH  
 
SYNOPSIS...HIGH PRESSURE WILL MOVE EASTWARD TOWARD THE CANADIAN  
ARCTIC THROUGH MONDAY. A SERIES OF LOWS WILL MOVE NORTHWARD THROUGH  
THE EASTERN BERING SEA THROUGH MONDAY. A WEAK LOW WILL MOVE  
NORTHWARD ACROSS EASTERN RUSSIA INTO THE RUSSIAN ARCTIC SATURDAY  
THROUGH MONDAY, THEN OFF TO THE WEST TUESDAY AND WEDNESDAY.  
 
-ARCTIC OCEAN-  
-BEAUFORT SEA-  
-CHUKCHI SEA-  
 
PKZ235-POINT FRANKLIN TO CAPE HALKETT-  
PKZ240-CAPE HALKETT TO FLAXMAN ISLAND-  
PKZ245-FLAXMAN ISLAND TO DEMARCATION POINT-  
PKZ500-WESTERN U.S. ARCTIC OFFSHORE-  
PKZ505-CENTRAL U.S. ARCTIC OFFSHORE-  
PKZ510-EASTERN U.S. ARCTIC OFFSHORE-  
 
ICE COVERED.  
 
-CHUKCHI SEA-  
-BERING SEA-  
 
PKZ230-CAPE BEAUFORT TO POINT FRANKLIN-  
 
THE ICE EDGE EXTENDS FROM 69.3N 163.2W TO 70.1N 163W TO 69.6N 167.9W  
TO 70.4N 168.8W TO 69.6N 171.9W TO 70N 175.1W TO 69.4N 176.1W TO  
66.1N 169.6W. THE ICE EDGE IS MAINLY OPEN WATER. THERE IS ALSO SEA  
ICE REMAINING WITHIN SOME INNER BAYS OF THE GULF OF ANADYR.  
 
FORECAST FOR THE CHUKCHI SEA (DAYS 1 THROUGH 5)...NORTH TO NORTHEAST  
WINDS WILL BECOME SOUTHERLY SATURDAY THROUGH MONDAY, THEN SWITCH TO  
EASTERLY TO NORTHEASTERLY TUESDAY AND WEDNESDAY. THE ICE PACK IS  
EXPECTED TO RETREAT NORTHWARD 20 TO 30 NM THROUGH MONDAY, THEN MOVE  
WEST-SOUTHWEST UP TO 15 NM BY WEDNESDAY.  
 

 
 
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