For More Weather Information:

4NM E Wainaku HI

[NOTICE]

High and low forecast temperature values represent air temperature.

Last Update: 8:04 pm HST May 20, 2026
Forecast Valid: 8pm HST May 20, 2026-6pm HST May 27, 2026

...SMALL CRAFT ADVISORY IN EFFECT THROUGH EARLY FRIDAY MORNING...

Tonight

ENE wind 9 to 11 kt. Occasional showers. N swell 1 ft at 10 seconds. Waves around 8 ft.

Thursday

ENE wind 7 to 12 kt. Scattered showers. N swell 1 ft at 9 seconds. Waves 8 to 9 ft.

Thursday Night

NE wind 7 to 12 kt. Showers likely, mainly before midnight. N swell 1 ft at 9 seconds. Waves around 9 ft.

Friday

NNE wind 9 to 12 kt. Scattered showers. N swell 1 ft. Waves 8 to 9 ft.

Friday Night

NNE wind 6 to 9 kt. Showers likely, mainly after midnight. N swell 1 ft. Waves around 8 ft.

Saturday

NE wind 7 to 11 kt. Showers likely, mainly before noon. N swell 1 ft. Waves around 8 ft.

Saturday Night

ENE wind 5 to 8 kt. Scattered showers. N swell 1 ft. Waves around 8 ft.

Sunday

ENE wind 5 to 8 kt becoming variable and less than 5 kt in the afternoon. Showers likely. N swell 1 ft. Waves 6 to 8 ft.

Sunday Night

Variable winds 5 kt or less. Scattered showers. N swell 1 ft. Waves 6 to 7 ft.

*Notices:

This forecast is for a single location. For safety concerns, mariners should be aware of the weather over a larger area. Forecast information for a larger area can be found within the zone forecast and the NDFD graphics.
The forecast conditions at a particular point may not exceed the criteria of a Small Craft Advisory, Gale, Storm etc. These watches/warnings/advisories are issued for the entire zone in which the point resides and mariners should act accordingly.