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Honolulu, HI Local Forecast Office

Poipu HI

Marine Point Forecast

[NOTICE]

This Afternoon
High: 85 °F
ENE 19kt
3ft
Tonight
Low: 75 °F
NE 17kt
2-3ft
Saturday
High: 85 °F
ENE 15kt
2ft
Saturday Night
Low: 75 °F
ENE 14kt
2ft
Sunday
High: 85 °F
ENE 14kt
2-3ft
Sunday Night
Low: 76 °F
E 20kt
3-5ft
Labor Day
High: 84 °F
ESE 26kt
9ft
Monday Night
Low: 77 °F
S 20kt
7-9ft
Tuesday
High: 86 °F
SW 10kt
7ft

High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 6:02 am HST Sep 4, 2026
Forecast Valid: 12pm HST Sep 4, 2026-6pm HST Sep 10, 2026

View Nearby Observations

Detailed Forecast

...SMALL CRAFT ADVISORY IN EFFECT THROUGH EARLY SATURDAY

This Afternoon

ENE wind 17 to 19 kt. Isolated showers. N swell 0 ft at 0 seconds. Waves around 3 ft.

Tonight

NE wind 14 to 17 kt. Isolated showers. N swell 0 ft at 0 seconds. Waves 2 to 3 ft.

Saturday

ENE wind around 15 kt. Scattered showers. N swell 0 ft at 0 seconds. Waves around 2 ft.

Saturday Night

ENE wind 12 to 14 kt. Scattered showers. N swell 0 ft. Waves around 2 ft.

Sunday

ENE wind 12 to 14 kt. Scattered showers. N swell 0 ft. Waves 2 to 3 ft.

Sunday Night

E wind 12 to 20 kt, with gusts as high as 26 kt. Showers. The rain could be heavy at times. N swell 0 ft. Waves 3 to 5 ft.

Labor Day

E wind 20 to 26 kt becoming S in the afternoon. Winds could gust as high as 34 kt. Showers. The rain could be heavy at times. N swell 0 ft. Waves 5 ft building to 9 ft.

Monday Night

S wind 10 to 20 kt becoming SW after midnight. Winds could gust as high as 26 kt. Showers. The rain could be heavy at times. N swell 0 ft. Waves 7 to 9 ft.

Tuesday

SW wind 6 to 10 kt. Showers. The rain could be heavy at times. N swell 0 ft. Waves 7 ft subsiding to 2 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.