157
FZHW61 PHFO 181503
OFFN10

NAVTEX MARINE FORECAST FOR HAWAIIAN WATERS
NATIONAL WEATHER SERVICE HONOLULU HI
503 AM HST FRI APR 18 2025

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

.Synopsis...High pressure will build far northeast of the area
through the weekend as a broad trough over the western waters
shifts away and weakens. The surface ridge will weaken early next
week as deep low pressure develops to the northwest.

$$

Hawaiian waters within 40 nautical miles including the channels-

.TODAY AND TONIGHT...East to southeast winds 5 to 15 knots
becoming east at 10 to 20 knots tonight. Seas 6 to 9 feet
subsiding to 5 to 7 feet tonight. Wave Detail: East southeast 1
to 3 feet at 5 seconds. Northwest 5 to 7 feet at 13 seconds
subsiding to 4 feet at 11 seconds tonight. Scattered heavy
showers with isolated thunderstorms.
.SATURDAY THROUGH MONDAY...East winds 10 to 20 knots becoming
southeast at 5 to 15 knots late Monday. Seas 4 to 6 feet. Wave
Detail: East southeast 2 to 4 feet at 5 seconds. Northwest 3 to
4 feet at 11 seconds. Scattered showers.
.TUESDAY...South to southeast winds 5 to 15 knots. Seas 4 to
6 feet. Scattered to numerous showers with isolated
thunderstorms.    Winds and seas higher in and near tstms.

$$

Hawaiian Offshore Waters-

.TODAY...E to SE winds 10 to 20 kt. Seas 6 to 9 ft. Isolated
thunderstorms.
.TONIGHT THROUGH SUNDAY...E winds 10 to 20 kt. Seas 6 to 8 ft.
Isolated thunderstorms.
.MONDAY AND TUESDAY...NW waters, variable winds up to 10 kt. SE
waters, E to SE winds 10 to 20 kt. Seas 4 to 6 ft. Isolated
thunderstorms Tuesday.

$$