905
FZAK80 PAFC 232304
ICEAFC
SEA ICE FORECAST FOR WESTERN AND ARCTIC ALASKAN COASTAL WATERS
NATIONAL WEATHER SERVICE - ALASKA SEA ICE PROGRAM
304 PM AKDT WEDNESDAY 23 JULY 2025
FORECAST VALID...MONDAY 28 JULY 2025
ANALYSIS CONFIDENCE...HIGH
SYNOPSIS...BROAD HIGH PRESSURE WILL SLOWLY DRIFT EAST ACROSS THE
CHUKCHI AND BEAUFORT SEAS THROUGH MONDAY. A LOW WILL MOVE NORTHEAST
TO THE CHUKCHI SEA SUNDAY AND MONDAY.
-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. OFF THE NORTH COAST OF ALASKA, WINDS WILL BE
EASTERLY THURSDAY, BECOMING NORTHERLY FRIDAY. WINDS WILL RETURN TO
EASTERLY LATE SATURDAY, PERSISTING THROUGH MONDAY. SEA ICE WILL
CONTINUE TO GRADUALLY MELT, AND THE SEA ICE WITHIN THE MARGINAL ICE
ZONE NEAR THE COAST WILL GENERALLY MOVE WEST THURSDAY, SOUTH FRIDAY
AND SATURDAY, AND WEST SUNDAY AND MONDAY.
-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 71 1’N 165 57’W TO
69 41’N 168 8’W TO 69 56’N 172 9’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 175 NM WEST OF UTQIAGVIK TO 60 NM NORTHWEST OF
CAPE LISBURNE TO 135 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. NORTHEASTERLY TO EASTERLY WINDS WILL PERSIST
THROUGH SATURDAY, THEN WINDS WILL BECOME SOUTHERLY SUNDAY THROUGH
MONDAY AS THE LOW APPROACHES FROM THE SOUTHWEST. EXPECT THE ICE EDGE
TO CONTINUE TO SLOWLY RETREAT AS SEA ICE MELTS ALONG THE ICE EDGE
AND FOR THE PACK ICE TO CONTINUE BREAKING UP AND MELTING.
SCHRECK
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