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Honolulu, HI Local Forecast Office

Poipu HI

Marine Point Forecast

[NOTICE]

Wednesday
High: 81 °F
SE 8kt
1ft
Wednesday Night
Low: 70 °F
SSE 9kt⇓
1ft
Thursday
High: 81 °F
⇑SSW 6kt
1ft
Thursday Night
Low: 71 °F
Light Wind
1ft
Friday
High: 83 °F
SW 7kt
1ft
Friday Night
Low: 71 °F
SW 9kt
1ft
Saturday
High: 82 °F
WSW 13kt
1ft
Saturday Night
Low: 70 °F
WSW 10kt⇓
1ft
Sunday
High: 82 °F
⇑NNE 6kt
4ft

High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 3:44 am HST Mar 18, 2026
Forecast Valid: 3am HST Mar 18, 2026-6pm HST Mar 24, 2026

View Nearby Observations

Detailed Forecast

Wednesday

NNE wind 6 to 8 kt becoming SE in the afternoon. Isolated showers before noon. N swell 0 ft at 0 seconds. Waves around 1 ft.

Wednesday Night

SSE wind 5 to 9 kt becoming variable and less than 5 kt after midnight. Showers likely, mainly after midnight. N swell 0 ft at 0 seconds. Waves around 1 ft.

Thursday

Variable winds less than 5 kt becoming SSW around 6 kt. Showers likely. N swell 0 ft at 0 seconds. Waves around 1 ft.

Thursday Night

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

Friday

SW wind 5 to 7 kt. Scattered showers. N swell 0 ft. Waves around 1 ft.

Friday Night

SW wind 7 to 9 kt. Scattered showers. N swell 0 ft. Waves around 1 ft.

Saturday

WSW wind 9 to 13 kt. Scattered showers. N swell 0 ft. Waves around 1 ft.

Saturday Night

WSW wind 5 to 10 kt becoming variable and less than 5 kt after midnight. Scattered showers. N swell 0 ft. Waves around 1 ft.

Sunday

Variable winds less than 5 kt becoming NNE around 6 kt in the afternoon. Scattered showers. N swell 0 ft. Waves 1 ft or less building to 4 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.