Ice Forecast
Issued by NWS Anchorage, AK

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000
FZAK80 PAFC 272340
ICEAFC

SEA ICE ADVISORY FOR WESTERN AND ARCTIC ALASKAN COASTAL WATERS
NATIONAL WEATHER SERVICE ANCHORAGE ALASKA
330 PM AKDT MONDAY 27 APRIL 2015

FORECAST VALID...SATURDAY 02 MAY 2015

ANALYSIS CONFIDENCE...MODERATE TO HIGH

SYNOPSIS...A LOW OVER THE WESTERN BERING SEA WILL SLOWLY MAKE ITS
WAY TO THE EASTERN BERING SEA TUESDAY AFTERNOON AND THEN SWING INTO
THE GULF OF ALASKA WEDNESDAY AFTERNOON. A WEAKER LOW WILL REMAIN IN
THE CENTRAL BERING SEA WEDNESDAY AND SHIFT TO SOUTHWEST ALASKA
THURSDAY. HIGH PRESSURE WILL BUILD OVER THE BERING SEA THURSDAY AND
FRIDAY AS ANOTHER LOW ENTERS THE FAR WESTERN BERING SEA FRIDAY
AFTERNOON. THE LOW WILL PUSH INTO THE WESTERN BERING SEA SATURDAY.

-ARCTIC OCEAN-
-BEAUFORT SEA-
-CHUKCHI SEA-

PKZ500-WESTERN US ARCTIC OFFSHORE-
PKZ505-CENTRAL US ARCTIC OFFSHORE-
PKZ510-EASTERN US ARCTIC OFFSHORE-
PKZ220-WALES TO CAPE THOMPSON-
PKZ225-CAPE THOMPSON TO CAPE BEAUFORT-
PKZ230-CAPE BEAUFORT TO POINT FRANKLIN-
PKZ235-POINT FRANKLIN TO CAPE HALKETT-
PKZ240-CAPE HALKETT TO FLAXMAN ISLAND-
PKZ245-FLAXMAN ISLAND TO DEMARCATION POINT-

ICE COVERED.

-BERING SEA-

PKZ215-KOTZEBUE SOUND-
PKZ200-NORTON SOUND-
PKZ210-DALL POINT TO WALES-
PKZ180-KUSKOKWIM DELTA AND ETOLIN STRAIT-
PKZ181-NORTH AND WEST OF NUNIVAK ISLAND-
PKZ185-SAINT MATTHEW ISLAND WATERS-

THE MAIN ICE EDGE LIES FROM A POINT NEAR KUSKOKWIM BAY TO 59.7N
162.2W TO 59.8N 162.6W TO 59.3N 163.9W TO 60N 165W TO 59.5N 165W TO
59.1N 165.5W TO 59N 166.1W TO 59.3N 165.9W TO 59.4N 166.2W TO 59.2N
166.7W TO 58N 168.7 TO 57.5N 170.8W TO 57.6N 172.3W TO 58.6N 173.8W
TO 58.9N 175.2W TO 59.6N 177.4W TO 60.5N 178.9W TO 61N 178.7E TO 62N
178.8E AND CONTINUES ALONG THE RUSSIAN COAST. THE ICE EDGE IS OPEN
WATER.

FORECAST THROUGH SATURDAY FOR THE BERING SEA...EAST TO SOUTHEAST
WIND WILL BE PRESENT ALONG THE ICE EDGE THROUGH TUESDAY. WINDS
BECOME NORTHEAST FROM 180 WEST TO RUSSIA ON WEDNESDAY WITH WEAK
NORTHWEST FLOW TO THE EAST. THESE WIND CONDITIONS WILL LAST THROUGH
FRIDAY BEFORE TURNING TO THE SOUTHEAST WITH INCREASING WIND SPEEDS
THROUGH SATURDAY. THE ICE EDGE IS EXPECTED TO COMPACT EAST OF 175W
THROUGH WEDNESDAY. THE ICE EDGE WILL THEN SPREAD APART THROUGH
SATURDAY EAST OF 170W. FROM 170W AND WEST TO 175W...THE FLOW WILL
OVERALL RETREAT NORTH ABOUT 10 NM AND COMPACT. FURTHER WEST...THE
ICE EDGE WILL PUSH AND SPREAD APART TO THE WEST 15 TO 25 NM.

$$


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