Ice Forecast
Issued by NWS Anchorage, AK

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000
FZAK80 PAFC 292246
ICEAFC

SEA ICE ADVISORY FOR WESTERN AND ARCTIC ALASKAN COASTAL WATERS
NATIONAL WEATHER SERVICE ANCHORAGE ALASKA
245 PM AKDT MONDAY 29 MAY 2017

FORECAST VALID...SATURDAY 03 JUN 2017

ANALYSIS CONFIDENCE...HIGH

SYNOPSIS...WEAK LOW PRESSURE WILL BUILD ACROSS THE CHUKCHI SEA
THROUGH WEDNESDAY BEFORE HIGH PRESSURE BECOMES MORE DOMINANT.
WEAK HIGH PRESSURE WILL RESIDE ACROSS THE REGION THROUGH SATURDAY.

-ARCTIC OCEAN-
-BEAUFORT SEA-
PKZ510-EASTERN U.S. ARCTIC OFFSHORE-
PKZ505-CENTRAL U.S. ARCTIC OFFSHORE-
PKZ500-WESTERN U.S. ARCTIC OFFSHORE-
PKZ245-FLAXMAN ISLAND TO DEMARCATION POINT-
PKZ240-CAPE HALKETT TO FLAXMAN ISLAND-
PKZ235-POINT FRANKLIN TO CAPE HALKETT-

ICE COVERED.

-CHUKCHI SEA-
PKZ215-KOTZEBUE SOUND-
PKZ220-WALES TO CAPE THOMPSON-
PKZ225-CAPE THOMPSON TO CAPE BEAUFORT-
PKZ230-CAPE BEAUFORT TO POINT FRANKLIN-

THE MAIN ICE EDGE IN THE CHUKCHI SEA EXTENDS FROM NEAR WALES TO
66.1N 167.8W TO 67.3N 165.6W TO 68.4N 170.3W TO 70.6N 164.5W TO
71.4N 158.7W TO 70.0N 167.8W TO 69.1N 173.7W TO 67.0N 168.4W TO
66.2N 169.8W. THE ICE EDGE IS MAINLY OPEN WATER.

FORECAST THROUGH SATURDAY FOR THE CHUKCHI SEA...WEAK NORTHERLY FLOW
WILL SHIFT TO THE WEST ON WEDNESDAY BEFORE BECOMING VARIABLE ON
FRIDAY. THE ICE EDGE IS EXPECTED TO RETREAT FURTHER NORTH INTO THE
CHUKCHI SEA BY ABOUT 10 TO 15 NM THROUGH SATURDAY...WITH PIECES OF
THE MAIN ICE PACK CONTINUING TO BREAK OFF AND MELT THROUGH THE
FORECAST PERIOD AS THEY MOVE INTO WARMER WATER.

-BERING SEA-
PKZ200-NORTON SOUND-
PKZ210-DALL POINT TO WALES-

SEA ICE REMAINS IN AND NEAR NORTON SOUND AS WELL AS ON THE NORTHEAST
SIDE OF SAINT LAWRENCE ISLAND.

FORECAST THROUGH SATURDAY FOR THE BERING SEA...SOUTHEASTERLY WINDS
WILL GRADUALLY INCREASE IN MAGNITUDE THROUGH WEDNESDAY BEFORE
SHIFTING TO THE NORTHEAST ON THURSDAY. WINDS WILL PERSIST FROM THE
NORTHEAST THROUGH SATURDAY. SEA ICE WITHIN THE BERING SEA WILL
CONTINUE TO MELT THROUGH SATURDAY.

$$


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