For More Weather Information:

Waimanalo Beach HI

[NOTICE]

High and low forecast temperature values represent air temperature.

Last Update: 6:02 pm HST Apr 20, 2026
Forecast Valid: 7pm HST Apr 20, 2026-6pm HST Apr 27, 2026

Tonight

Variable winds 5 kt or less. Isolated showers before midnight. N swell 0 ft at 0 seconds. Waves 1 ft or less.

Tuesday

Variable winds less than 5 kt becoming ENE around 6 kt in the morning. Partly sunny. N swell 0 ft at 0 seconds. Waves 1 ft or less.

Tuesday Night

NE wind around 7 kt. Mostly cloudy. N swell 0 ft at 0 seconds. Waves 1 ft or less.

Wednesday

NE wind around 10 kt. Mostly sunny. N swell 0 ft. Waves 1 ft or less.

Wednesday Night

NE wind 10 to 12 kt. Partly cloudy. N swell 0 ft. Waves 1 ft or less.

Thursday

NE wind 12 to 14 kt. Mostly sunny. N swell 0 ft. Waves 1 ft or less.

Thursday Night

ENE wind around 16 kt, with gusts as high as 22 kt. Partly cloudy. N swell 0 ft. Waves 1 ft or less.

Friday

NE wind 15 to 17 kt, with gusts as high as 24 kt. Mostly sunny. N swell 0 ft. Waves 1 ft or less building to 4 ft.

Friday Night

NE wind around 17 kt, with gusts as high as 24 kt. Partly cloudy. 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.