Sea Ice Advisory


FZAK80 PAFC 282259
ICEAFC

SEA ICE ADVISORY FOR WESTERN AND ARCTIC ALASKAN COASTAL WATERS 
NATIONAL WEATHER SERVICE ANCHORAGE ALASKA 
255 PM AKDT FRIDAY 28 AUGUST 2015 

FORECAST VALID...WEDNESDAY 2 SEPTEMBER 2015

ANALYSIS CONFIDENCE...MODERATE TO HIGH
                      
SYNOPSIS...A LOW OVER THE CHUKCHI AND BEAUFORT SEAS WILL MOVE 
SOUTHWARD AND WEAKEN THROUGH SATURDAY. HIGH PRESSURE WILL BUILD IN 
OVER THE CHUKCHI AND BEAUFORT SEAS MONDAY THROUGH WEDNESDAY. 
 
-ARCTIC OCEAN-
-BEAUFORT SEA-
-CHUKCHI SEA-
PKZ510-EASTERN US ARCTIC OFFSHORE-
PKZ505-CENTRAL US ARCTIC OFFSHORE- 
PKZ240-CAPE HALKETT TO FLAXMAN ISLAND-

ICE COVERED.

-CHUKCHI SEA-
PKZ500-WESTERN US ARCTIC OFFSHORE-
PKZ230-CAPE BEAUFORT TO POINT FRANKLIN-
PKZ235-POINT FRANKLIN TO CAPE HALKETT-

THE MAIN ICE EDGE LIES FROM A POINT ROUGHLY 75 NM NORTH OF POINT 
BARROW TO 74N 164.8W TO 73.7N 166.1W TO 73.6N 175W AND CONTINUES IN 
RUSSIAN WATERS. THE ICE EDGE IS MAINLY OPEN WATER.

FORECAST THROUGH WEDNESDAY FOR THE CHUKCHI SEA...WESTERLY FLOW WILL 
BECOME MODERATE NORTHERLY LATE FRIDAY NIGHT OVER THE CHUKCHI SEA. 
FLOW WILL THEN BECOME LIGHT SUNDAY THROUGH WEDNESDAY. THE OVERALL 
ICE EDGE IS EXPECTED TO SPREAD TO THE SOUTH SOUTHEAST 15 TO 25 NM 
THROUGH WEDNESDAY. 

-BEAUFORT SEA-
PKZ245-FLAXMAN ISLAND TO DEMARCATION POINT-

THE MAIN ICE EDGE LIES FROM NEAR THE SOUTHWEST CORNER OF BANKS 
ISLAND TO THE COAST NEAR 70N 144.4W. THE ICE EDGE IS MAINLY OPEN 
WATER.

FORECAST THROUGH WEDNESDAY FOR THE BEAUFORT SEA...SOUTHWEST WINDS 
WILL BECOME SOUTHERLY...THEN EASTERLY THROUGH SUNDAY. WINDS WILL 
THEN BECOME NORTHWESTERLY MONDAY THROUGH WEDNESDAY. THE OVERALL ICE 
EDGE IS EXPECTED TO HAVE A NET MOVEMENT OF NORTHEAST UP TO 15 NM  
THROUGH WEDNESDAY. 
 
$$