For More Weather Information:

Kailua HI

[NOTICE]

High and low forecast temperature values represent air temperature.

Last Update: 6:02 pm HST Apr 18, 2026
Forecast Valid: 3am HST Apr 19, 2026-6pm HST Apr 25, 2026

Sunday

E wind 7 to 11 kt. Mostly cloudy. ENE swell 0 ft at 0 seconds. Waves around 3 ft.

Sunday Night

E wind 5 to 7 kt. A chance of showers, with thunderstorms also possible after midnight. ENE swell 0 ft at 0 seconds. Waves around 3 ft.

Monday

E wind 5 to 9 kt. A chance of showers. ENE swell 0 ft at 0 seconds. Waves around 3 ft.

Monday Night

E wind 5 to 7 kt becoming variable and less than 5 kt in the evening. A slight chance of showers. N swell 0 ft. Waves 3 to 4 ft.

Tuesday

Variable winds 5 kt or less. A slight chance of showers after noon. N swell 0 to 1 ft. Waves 3 to 4 ft.

Tuesday Night

Variable winds 5 kt or less. A slight chance of showers. NNE swell 1 ft. Waves 3 to 4 ft.

Wednesday

Variable winds less than 5 kt becoming NE 5 to 7 kt in the afternoon. Isolated showers. NNE swell 1 ft. Waves 4 to 5 ft.

Wednesday Night

NE wind around 7 kt. Isolated showers. NNE swell 1 ft. Waves 4 to 5 ft.

Thursday

NE wind 6 to 10 kt. Isolated showers. NNE swell 1 ft. Waves around 4 ft.

Winds and seas higher in and near tstms.

*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.