391
FZAK80 PAFC 212204
ICEAFC
SEA ICE FORECAST FOR WESTERN AND ARCTIC ALASKAN COASTAL WATERS
NATIONAL WEATHER SERVICE - ALASKA SEA ICE PROGRAM
204 PM AKDT MONDAY 21 JULY 2025
FORECAST VALID...SATURDAY 26 JULY 2025
ANALYSIS CONFIDENCE...HIGH
SYNOPSIS...HIGH PRESSURE LINGERS OVER THE HIGH ARCTIC, BEAUFORT SEA,
AND BERING SEA THROUGH SATURDAY. LOW PRESSURE OVER THE CHUKCHI SEA
IS REPLACED BY HIGH PRESSURE BY WEDNESDAY.
-BEAUFORT SEA-
PKZ505-CENTRAL US ARCTIC OFFSHORE-
PKZ510-EASTERN US ARCTIC OFFSHORE-
ICE COVERED.
PKZ813-POINT FRANKLIN TO CAPE HALKETT OUT TO 15 NM-
PKZ814-CAPE HALKETT TO FLAXMAN ISLAND OUT TO 15 NM-
PKZ815-FLAXMAN ISLAND TO DEMARCATION POINT OUT TO 15 NM-
PKZ859-POINT FRANKLIN TO CAPE HALKETT FROM 15 TO 75 NM-
PKZ860-CAPE HALKETT TO FLAXMAN ISLAND FROM 15 TO 80 NM-
PKZ861-FLAXMAN ISLAND TO DEMARCATION POINT FROM 15 TO 75 NM-
FORECAST FOR THE BEAUFORT SEA (DAYS 1 THROUGH 5)...FORECAST
CONFIDENCE IS HIGH. LIGHT AND VARIABLE WINDS NEAR THE NORTHERN
ALASKA COAST WILL PERSIST THROUGH WEDNESDAY AND THEN BECOME
GENERALLY NORTHEASTERLY FROM THURSDAY THROUGH SATURDAY. WINDS OVER
THE MAIN ICE PACK WILL REMAIN EASTERLY THROUGH WEDNESDAY, SHIFT
NORTHERLY ON THURSDAY AND FRIDAY, AND THEN SHIFT EASTERLY ON
SATURDAY. MARGINAL ICE WILL CONTINUE TO MELT AS AREAS OF OPEN WATER
EXPAND.
-CHUKCHI SEA-
PKZ500-WESTERN US ARCTIC OFFSHORE-
PKZ505-CENTRAL US ARCTIC OFFSHORE-
PKZ813-POINT FRANKLIN TO CAPE HALKETT OUT TO 15 NM-
PKZ859-POINT FRANKLIN TO CAPE HALKETT FROM 15 TO 75 NM-
ICE COVERED.
PKZ812-CAPE BEAUFORT TO POINT FRANKLIN OUT TO 15 NM-
PKZ857-CAPE THOMPSON TO CAPE BEAUFORT FROM 15 TO 85 NM-
PKZ858-CAPE BEAUFORT TO POINT FRANKLIN FROM 15 TO 85 NM-
THE MAIN ICE EDGE EXTENDS FROM NEAR UTQIAGVIK TO 70 58’N 160 37’W TO
69 56’N 169 21’W TO 71 2’N 173 41’W AND CONTINUES INTO RUSSIAN
WATERS. THE ICE EDGE IS OPEN WATER.
FROM LAND-BASED POINTS IN ALASKA, THE MAIN ICE EDGE EXTENDS FROM
NEAR UTQIAGVIK TO 20 NM NORTHWEST OF WAINWRIGHT TO 90 NM NORTHWEST
OF CAPE LISBURNE TO 195 NM NORTHWEST OF CAPE LISBURNE AND CONTINUES
INTO RUSSIAN WATERS. THE ICE EDGE IS OPEN WATER.
FORECAST FOR THE CHUKCHI SEA (DAYS 1 THROUGH 5)...FORECAST
CONFIDENCE IS HIGH. LIGHT AND VARIABLE WINDS PERSIST THROUGH TUESDAY
AND THEN BECOME GENERALLY NORTHEASTERLY FROM WEDNESDAY THROUGH
SATURDAY. EXPECT THE ICE EDGE TO CONTINUE TO RETREAT AND FOR THE
PACK ICE TO CONTINUE BREAKING UP AND MELTING.
FENRICH
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