447
FZAK67 PAJK 201210
OFFAJK
OFFSHORE WATERS FORECAST
NATIONAL WEATHER SERVICE JUNEAU AK
410 AM AKDT WED MAY 20 2026
OFFSHORE WATERS FORECAST FOR GULF OF ALASKA EAST OF 144W
WIND FORECASTS REFLECT THE PREDOMINANT SPEED AND DIRECTION
EXPECTED. SEA FORECASTS REPRESENT THE AVERAGE OF THE HIGHEST
ONE-THIRD OF THE COMBINED WINDWAVE AND SWELL HEIGHT.
PKZ398-210615-
410 AM AKDT WED MAY 20 2026
SYNOPSIS FOR THE EASTERN GULF OF ALASKA
A DEVELOPING GALE FORCE LOW IS EXPECTED TO RAPIDLY MOVE
NORTHEAST, WITH THE LOW CENTER REACHING FIFTY EIGHT NORTH ONE
FORTY SEVEN WEST BY THIS MORNING. EXPECT GALE FORCE
SOUTHEASTERLY WINDS ALONG MUCH OF OUR COAST AND SEAS OF 12 TO
15 FT TODAY. HIGHEST SEAS AND WINDS FROM CAPE EDGECUMBE TO CAPE
SAINT ELIAS. WIND AND SEAS BEGIN TO MODERATE THURSDAY AFTERNOON.
PKZ311-210615-
GULF OF ALASKA NORTH OF 57 DEGREES NORTH AND EAST OF 144 W-
410 AM AKDT WED MAY 20 2026
TODAY
SE WIND 30 KT BECOMING SW 20 KT IN THE AFTERNOON. SEAS
9 FT BUILDING TO 12 FT. RAIN EARLY IN THE MORNING.
TONIGHT
W WIND 20 KT. SEAS 10 FT.
THU
W WIND 15 KT. SEAS 8 FT.
THU NIGHT
S WIND 20 KT. SEAS 7 FT.
FRI
SW WIND 15 KT. SEAS 9 FT.
SAT
WIND VARIABLE LESS THAN 15 KT. SEAS 8 FT.
SUN
NW WIND 15 KT. SEAS 7 FT.
PKZ312-210615-
GULF OF ALASKA SOUTH OF 57 DEGREES NORTH AND EAST OF 144 W-
410 AM AKDT WED MAY 20 2026
..GALE WARNING TODAY
TODAY
S WIND 35 KT. SEAS 9 FT BUILDING TO 13 FT. RAIN EARLY IN
THE MORNING.
TONIGHT
W WIND 20 KT. SEAS 9 FT.
THU
W WIND 15 KT. SEAS 8 FT.
THU NIGHT
SW WIND 20 KT. SEAS 7 FT.
FRI
W WIND 20 KT. SEAS 9 FT.
SAT
SE WIND 15 KT. SEAS 8 FT.
SUN
NW WIND 20 KT. SEAS 7 FT.
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