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Honolulu, HI Local Forecast Office

Poipu HI

Marine Point Forecast

[NOTICE]

Late Afternoon
High: 82 °F
SSE 15kt
5ft

Small Craft Advisory
Tonight
Low: 71 °F
S 18kt
5-6ft

Small Craft Advisory
Wednesday
High: 81 °F
SSW 18kt
5-6ft

Small Craft Advisory
Wednesday Night
Low: 70 °F
SW 11kt
3-5ft
Thursday
High: 80 °F
SSW 11kt
3ft
Thursday Night
Low: 69 °F
SSW 19kt
3-5ft
Friday
High: 79 °F
SW 20kt
5-7ft
Friday Night
Low: 69 °F
WSW 19kt
7-8ft
Saturday
High: 81 °F
WSW 18kt
8ft

High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 4:01 pm HST Mar 10, 2026
Forecast Valid: 4pm HST Mar 10, 2026-6pm HST Mar 17, 2026

View Nearby Observations

Detailed Forecast

...SMALL CRAFT ADVISORY IN EFFECT THROUGH WEDNESDAY AFTERNOON...

Late Afternoon

SSE wind around 15 kt. Showers likely and possibly a thunderstorm. Some of the storms could produce heavy rainfall. Widespread haze. N swell 0 ft at 0 seconds. Waves around 5 ft.

Tonight

S wind 15 to 18 kt. Showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall. N swell 0 ft at 0 seconds. Waves 5 to 6 ft.

Wednesday

SSW wind 11 to 18 kt. Showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall. N swell 0 ft at 0 seconds. Waves 5 to 6 ft.

Wednesday Night

SW wind 9 to 11 kt. Showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall. N swell 0 ft. Waves 3 to 5 ft.

Thursday

SSW wind 9 to 11 kt. Showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall. N swell 0 ft. Waves around 3 ft.

Thursday Night

SSW wind 11 to 19 kt. Showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall. N swell 0 ft. Waves 3 to 5 ft.

Friday

SW wind around 20 kt, with gusts as high as 26 kt. Showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall. N swell 0 ft. Waves 5 to 7 ft.

Friday Night

WSW wind 17 to 19 kt. Showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall. N swell 0 ft. Waves 7 to 8 ft.

Saturday

WSW wind around 18 kt. Showers likely and possibly a thunderstorm. Some of the storms could produce heavy rainfall. N swell 0 ft. Waves around 8 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.