For More Weather Information:

Wainaku HI

[NOTICE]

High and low forecast temperature values represent air temperature.

Last Update: 8:19 pm HST Apr 20, 2026
Forecast Valid: 3am HST Apr 21, 2026-6pm HST Apr 27, 2026

Tuesday

Variable winds less than 5 kt becoming E 5 to 8 kt in the morning. Increasing clouds. N swell 0 ft at 0 seconds. Waves 1 ft or less.

Tuesday Night

Variable winds 5 kt or less. Mostly cloudy. N swell 0 ft at 0 seconds. Waves 1 ft or less.

Wednesday

Variable winds less than 5 kt becoming NE 5 to 8 kt in the afternoon. Isolated showers before noon. N swell 0 ft at 0 seconds. Waves 1 ft or less.

Wednesday Night

Variable winds 5 kt or less. Isolated showers. N swell 0 ft. Waves 1 ft or less.

Thursday

NE wind 7 to 9 kt. Isolated showers before noon. N swell 0 ft. Waves 1 ft or less.

Thursday Night

N wind around 7 kt. Isolated showers. N swell 0 ft. Waves 1 ft or less.

Friday

NNE wind around 10 kt. Isolated showers before noon. N swell 0 ft. Waves 1 ft or less building to 4 ft.

Friday Night

N wind 8 to 10 kt. Scattered showers. N swell 0 ft. Waves around 4 ft.

Saturday

NE wind around 9 kt. Scattered showers. N swell 0 ft. Waves 4 to 5 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.