Ice Forecast
Issued by NWS Anchorage, AK

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000
FZAK80 PAFC 262259
ICEAFC

SEA ICE ADVISORY FOR WESTERN AND ARCTIC ALASKAN COASTAL WATERS
NATIONAL WEATHER SERVICE ANCHORAGE ALASKA
255 PM AKDT WEDNESDAY 26 AUGUST 2015

FORECAST VALID...MONDAY 31 AUGUST 2015

ANALYSIS CONFIDENCE...MODERATE

SYNOPSIS...A LOW WILL SLOWLY MOVE EASTWARD OVER THE CHUKCHI SEA
THROUGH THURSDAY...THEN REMAIN NEARLY STATIONARY THROUGH FRIDAY. THE
LOW WILL THEN MOVE OFF TO THE SOUTHWEST AND WEAKEN DURING THE
WEEKEND. HIGH PRESSURE WILL THEN BUILD OVER THE NORTHERN CHUKCHI AND
BEAUFORT SEAS.

-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 42 NM NORTH OF POINT
BARROW TO 74.1N 170.7W TO 73.7N 172.6W AND CONTINUES IN RUSSIAN
WATERS. THE ICE EDGE IS MAINLY OPEN WATER.

FORECAST THROUGH MONDAY FOR THE CHUKCHI SEA...SOUTHERLY FLOW WILL
BECOME MODERATE TO STRONG WESTERLY FLOW OVER THE CHUKCHI SEA THROUGH
FRIDAY. FLOW WILL THEN BECOME MODERATE NORTHWESTERLY TO NORTHERLY
THROUGH SATURDAY...THEN LIGHT EASTERLY SUNDAY AND MONDAY. THE
OVERALL ICE EDGE IS EXPECTED TO SPREAD TO THE EAST SOUTHEAST UP TO
25 TO 40 NM THROUGH MONDAY.

-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 70.1N 144.4W. THE ICE EDGE IS MAINLY OPEN
WATER.

FORECAST THROUGH MONDAY FOR THE BEAUFORT SEA...LIGHT FLOW WILL
BECOME MODERATE TO STRONG WESTERLY FLOW THURSDAY THROUGH FRIDAY.
FLOW WILL THEN BECOME MODERATE EASTERLY LATE SATURDAY INTO
SUNDAY...THEN BECOME LIGHT NORTHERLY THROUGH MONDAY. THE OVERALL ICE
EDGE IS EXPECTED TO SPREAD APART TO THE EAST 25 TO 40 NM THROUGH
MONDAY.

$$



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