821  
FZAK80 PAFC 102236  
ICEAFC  
 
SEA ICE ADVISORY FOR WESTERN AND ARCTIC ALASKAN COASTAL WATERS  
NATIONAL WEATHER SERVICE ANCHORAGE ALASKA  
235 PM AKDT FRIDAY 10 JULY 2020  
 
FORECAST VALID...WEDNESDAY 15 JULY 2020  
 
ANALYSIS CONFIDENCE...HIGH  
 
SYNOPSIS...HIGH PRESSURE REMAINS OVER THE HIGH ARCTIC WITH A BROAD  
AREA OF LOW PRESSURE OVER THE ALASKA MAINLAND. ON SATURDAY A WEAK  
AREA OF LOW PRESSURE WILL MOVE SOUTHWARD THROUGH THE BEAUFORT SEA  
TOWARD THE COAST. THIS WILL COMBINE WITH THE LOW PRESSURE OVER THE  
MAINLAND ON MONDAY.  
 
-BEAUFORT SEA-  
-CHUKCHI SEA-  
PKZ235-POINT FRANKLIN TO CAPE HALKETT-  
PKZ240-CAPE HALKETT TO FLAXMAN ISLAND-  
PKZ500-WESTERN U.S. ARCTIC OFFSHORE-  
PKZ505-CENTRAL U.S. ARCTIC OFFSHORE-  
PKZ510-EASTERN U.S. ARCTIC OFFSHORE-  
 
ICE COVERED.  
 
-CHUKCHI SEA-  
-BEAUFORT SEA-  
PKZ215-KOTZEBUE SOUND-  
PKZ220-WALES TO CAPE THOMPSON-  
PKZ225-CAPE THOMPSON TO CAPE BEAUFORT-  
PKZ230-CAPE BEAUFORT TO POINT FRANKLIN-  
 
THE MAIN SEA ICE EDGE GOES FROM NEAR POINT BARROW TO 70.1N 160.1W TO  
71.5N 166.1W TO 72.9N 166.1 W TO 72.5N 168.3W TO 69.8N 168.9W TO  
70.2N 172.9W TO 71.8N 175.74W TO 69.2N 176.4 W AND CONTINUES  
SOUTHEAST TO THE RUSSIAN COAST. A SMALL AREA OF ICE REMAINS NEAR ICY  
CAPE.  
 
FORECAST FOR THE CHUKCHI SEA (DAYS 1 THROUGH 5)...EXPECT EASTERLY  
WINDS THROUGH SATURDAY, SWITCHING TO NORTHERLY FOR A BRIEF PERIOD  
ON SUNDAY BUT RETURNING TO EASTERLY AGAIN BY MONDAY. THE ICE EDGE  
WILL RETREAT AND MELT WESTWARD 25 TO 40 NM THROUGH WEDNESDAY.  
 
-BEAUFORT SEA-  
PKZ245-FLAXMAN ISLAND TO DEMARCATION POINT-  
 
FORECAST FOR THE BEAUFORT SEA (DAYS 1 THROUGH 5)...A BIT COOLER OF  
AN AIR MASS AND LIGHT NORTHERLY WINDS WILL REMAIN THROUGH SUNDAY  
NIGHT. STRONGER EASTERLY WINDS WILL RETURN ON MONDAY NIGHT AND LAST  
THROUGH WEDNESDAY. EXPECT CONTINUED THINNING OF THE PACK ICE BETWEEN  
UTQIAGVIK AND PRUDHOE BAY WHILE THE MAIN PACK MOVES SOUTHWARD 5-15  
NM.  
 

 
 
FODE  
 
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