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Honolulu, HI Local Forecast Office

Poipu HI

Marine Point Forecast

[NOTICE]

Today
High: 81 °F
S 13kt
< 1ft

Small Craft Advisory
Tonight
Low: 69 °F
SSW 13kt
< 1ft

Small Craft Advisory
Sunday
High: 82 °F
W 7kt
< 1ft
Sunday Night
Low: 68 °F
NNE 10kt
< 1ft
Monday
High: 80 °F
NE 14kt
< 1ft
Monday Night
Low: 68 °F
NE 14kt
< 1ft
Tuesday
High: 80 °F
ENE 15kt
< 1ft
Tuesday Night
Low: 68 °F
ENE 15kt
< 1ft
Wednesday
High: 80 °F
ENE 13kt
< 1ft

High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 6:02 am HST Mar 21, 2026
Forecast Valid: 8am HST Mar 21, 2026-6pm HST Mar 27, 2026

View Nearby Observations

Detailed Forecast

...SMALL CRAFT ADVISORY IN EFFECT THROUGH EARLY SUNDAY MORNING...

Today

S wind 8 to 13 kt. Showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall. N swell 0 ft at 0 seconds. Waves 1 ft or less.

Tonight

SSW wind 7 to 13 kt becoming W after midnight. Showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall. N swell 0 ft at 0 seconds. Waves 1 ft or less.

Sunday

W wind 5 to 7 kt becoming N in the afternoon. Showers and possibly a thunderstorm before 8am, then isolated showers and thunderstorms after 8am. Some of the storms could produce heavy rainfall. N swell 0 ft at 0 seconds. Waves 1 ft or less.

Sunday Night

NNE wind 5 to 10 kt. Mostly cloudy. N swell 0 ft. Waves 1 ft or less.

Monday

NE wind 10 to 14 kt. Mostly sunny. N swell 0 ft. Waves 1 ft or less.

Monday Night

NE wind around 14 kt. Partly cloudy. N swell 0 ft. Waves 1 ft or less.

Tuesday

ENE wind 13 to 15 kt. Mostly sunny. N swell 0 ft. Waves 1 ft or less.

Tuesday Night

ENE wind 13 to 15 kt. Partly cloudy. N swell 0 ft. Waves 1 ft or less.

Wednesday

ENE wind around 13 kt. Mostly sunny. N swell 0 ft. Waves 1 ft or less.

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.