Ice Forecast
Issued by NWS Anchorage, AK

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000
FZAK80 PAFC 252241
ICEAFC

SEA ICE ADVISORY FOR WESTERN AND ARCTIC ALASKAN COASTAL WATERS
NATIONAL WEATHER SERVICE ANCHORAGE ALASKA
235 PM AKDT MONDAY 25 SEPTEMBER 2017

FORECAST VALID THROUGH...SATURDAY 30 SEPTEMBER 2017

ANALYSIS CONFIDENCE...HIGH

SYNOPSIS...A FRONT ASSOCIATED WITH A LOW OVER THE HIGH ARCTIC WILL
CONTINUE TO MOVE THROUGH THE BEAUFORT THROUGH TUESDAY. ANOTHER LOW
WILL THEN MOVE INTO THE CHUKCHI SEA TUESDAY...STRENGTHEN THEN LINGER
THROUGH THURSDAY. THE LOW DROPS INTO THE SOUTHERN CHUKCHI THROUGH
SATURDAY. WEAK LOW PRESSURE WILL FORM IN THE BEAUFORT ON FRIDAY.

-ARCTIC OCEAN-
ICE COVERED.

-BEAUFORT SEA-
PKZ235-POINT FRANKLIN TO CAPE HALKETT-
PKZ240-CAPE HALKETT TO FLAXMAN ISLAND-
PKZ245-FLAXMAN ISLAND TO DEMARCATION POINT-
PKZ510-EASTERN U.S. ARCTIC OFFSHORE-

THE MAIN ICE EDGE IN THE BEAUFORT SEA EXTENDS FROM APPROXIMATELY 380
NM NORTH OF POINT BARROW TO 77.0N 139.9W TO 75.7N 135.9W TO 74.1N
139.1W  TO 73.8N 135.3W TO 72.7N 142.9W TO 71.1N 139.4W TO 71.9N
135.3W AND CONTINUES IN CANADIAN WATERS. THE ICE EDGE IS MAINLY OPEN
WATER.

FORECAST THROUGH SATURDAY FOR THE BEAUFORT SEA...WINDS REMAIN
WESTERLY THROUGH LATE TUESDAY. ON WEDNESDAY LIGHT SOUTHERLY TO
EASTERLY WINDS WILL DEVELOP THROUGH LATE THURSDAY  WHEN A LOW
PRESSURE DEVELOPS IN THE VICINITY AND TURNS THE WINDS EASTERLY ALONG
THE ICE EDGE. THE ICE EDGE WITHIN THE BEAUFORT SEA IS EXPECTED TO
DRIFT UP TO 10 NM TO THE SOUTHEAST THROUGH WEDNESDAY THEN EXPAND
BACK TO THE SOUTHWEST UP TO 5 NM THROUGH SATURDAY. NEW ICE IS
EXPECTED TO FORM ALONG THE EDGE AND WITHIN THE PACK THROUGH SATURDAY.



$$



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