For More Weather Information:

Poipu HI

[NOTICE]

High and low forecast temperature values represent air temperature.

Last Update: 6:59 am HST Apr 20, 2026
Forecast Valid: 1pm HST Apr 20, 2026-6pm HST Apr 26, 2026

This Afternoon

E wind around 8 kt. Mostly sunny. N swell 0 ft at 0 seconds. Waves around 2 ft.

Tonight

E wind 5 to 7 kt becoming variable and less than 5 kt. Mostly cloudy. N swell 0 ft at 0 seconds. Waves 1 to 2 ft.

Tuesday

NNE wind around 6 kt becoming SE in the afternoon. Mostly cloudy. N swell 0 ft at 0 seconds. Waves around 1 ft.

Tuesday Night

Variable winds less than 5 kt becoming ENE 5 to 7 kt in the evening. Mostly cloudy. N swell 0 ft. Waves around 1 ft.

Wednesday

ENE wind around 8 kt. Isolated showers. N swell 0 ft. Waves around 1 ft.

Wednesday Night

NE wind around 10 kt. Partly cloudy. N swell 0 ft. Waves around 1 ft.

Thursday

NE wind 11 to 14 kt. Mostly sunny. N swell 0 ft. Waves around 1 ft.

Thursday Night

NE wind around 14 kt. Mostly clear. N swell 0 ft. Waves around 1 ft.

Friday

ENE wind around 14 kt. Sunny. N swell 0 ft. Waves 1 to 3 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.