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3NM SSW Waimanalo Beach HI

[NOTICE]

High and low forecast temperature values represent air temperature.

Last Update: 6:02 am HST May 18, 2026
Forecast Valid: 8am HST May 18, 2026-6pm HST May 24, 2026

Today

ENE wind 17 to 19 kt, with gusts as high as 27 kt. Scattered showers, mainly before noon. N swell 0 ft at 0 seconds. Waves 1 ft or less.

Tonight

ENE wind 14 to 18 kt, with gusts as high as 25 kt. Scattered showers, mainly after midnight. N swell 0 ft at 0 seconds. Waves 1 ft or less.

Tuesday

ENE wind 15 to 19 kt, with gusts as high as 27 kt. Isolated showers before noon. N swell 0 ft at 0 seconds. Waves 1 ft or less.

Tuesday Night

ENE wind around 18 kt, with gusts as high as 25 kt. Isolated showers. N swell 0 ft. Waves 1 ft or less.

Wednesday

ENE wind 18 to 21 kt, with gusts as high as 30 kt. Isolated showers. N swell 0 ft. Waves 1 ft or less.

Wednesday Night

ENE wind 21 to 23 kt, with gusts as high as 33 kt. Mostly clear. N swell 0 ft. Waves 1 ft or less.

Thursday

ENE wind around 24 kt, with gusts as high as 35 kt. Sunny. N swell 0 ft. Waves 1 ft or less.

Thursday Night

ENE wind 21 to 24 kt, with gusts as high as 35 kt. Mostly clear. N swell 0 ft. Waves 1 ft or less.

Friday

ENE wind around 22 kt, with gusts as high as 31 kt. Sunny. N swell 0 ft. Waves 1 ft or less.

*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.