Offshore Forecast
Issued by NWS

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061
FZHW61 PHFO 312142
OFFN10

NAVTEX MARINE FORECAST FOR HAWAIIAN WATERS
NATIONAL WEATHER SERVICE HONOLULU HI
1142 AM HST THU JUL 31 2025

...Please refer to Coastal Waters Forecasts available through
NOAA Weather Radio and other means for detailed coastal
forecasts...

.Synopsis...High pressure will remain to the far N and NE of the
area through this weekend. Tropical Storm Iona will continue to
pass SW of the state today. Additional tropical cyclone
development is possible far SE of Hawaii in the next day or two.

$$

Hawaiian waters within 40 nautical miles including the channels-

.TODAY...East winds 25 to 30 knots. Seas 7 to 10 feet. Wave
Detail: East 6 feet at 7 seconds, south 4 feet at 17 seconds and
southeast 3 feet at 9 seconds. Isolated showers.
.TONIGHT...East winds 20 to 25 knots. Seas 7 to 10 feet. Wave
Detail: East 6 feet at 7 seconds and south southwest 4 feet at
16 seconds. Isolated showers.
.FRIDAY...East winds 20 to 25 knots. Seas 7 to 10 feet. Wave
Detail: East 6 feet at 7 seconds and south 4 feet at 15 seconds.
Isolated showers.
.FRIDAY NIGHT...East northeast winds 25 to 30 knots Alenuihaha
Channel...east northeast to 20 knots elsewhere. Seas 7 to
10 feet. Wave Detail: East 6 feet at 7 seconds and south 4 feet
at 14 seconds. Isolated showers.
.SATURDAY...East northeast winds 20 to 25 knots. Seas 7 to
9 feet. Isolated showers.
.SATURDAY NIGHT...East northeast winds 20 to 25 knots. Seas 7 to
9 feet. Isolated showers.
.SUNDAY...East northeast winds 20 to 25 knots. Seas 7 to 9 feet.
Isolated showers.
.MONDAY...East northeast winds 15 to 20 knots, rising to 20 to
25 knots. Seas 6 to 9 feet, subsiding to 6 to 7 feet. Isolated
showers.

$$

Hawaiian Offshore Waters-

.THIS AFTERNOON...E winds 10 to 15 kt N of 24N, E 15 to 25 kt
elsewhere. Seas 6 to 10 ft.
.TONIGHT THROUGH FRIDAY...E winds 10 to 15 kt N of 24N, E 15 to
25 kt elsewhere. Seas 7 to 11 ft.
.FRIDAY NIGHT THROUGH SATURDAY...E winds 15 to 25 kt. Seas 7 to
10 ft.
.SUNDAY...E winds 15 to 25 kt. Seas 7 to 9 ft.
.MONDAY...E winds 10 to 20 kt. Seas 7 to 9 ft.

$$