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Honolulu, HI Local Forecast Office

Poipu HI

Marine Point Forecast

[NOTICE]

Today
High: 81 °F
⇑SE 12kt
2-3ft
Tonight
Low: 69 °F
ESE 15kt
6ft

Small Craft Advisory
Thursday
High: 80 °F
SSE 23kt
6-8ft
Thursday Night
Low: 69 °F
SSE 18kt
6-7ft
Friday
High: 81 °F
S 14kt
6ft
Friday Night
Low: 69 °F
WSW 10kt
2ft
Saturday
High: 82 °F
WSW 11kt
2ft
Saturday Night
Low: 68 °F
W 7kt
1-2ft
Sunday
High: 80 °F
WSW 7kt⇓
1-3ft

High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 6:02 am HST Apr 8, 2026
Forecast Valid: 7am HST Apr 8, 2026-6pm HST Apr 14, 2026

View Nearby Observations

Detailed Forecast

...SMALL CRAFT ADVISORY IN EFFECT FROM THIS EVENING THROUGH EARLY

Today

Variable winds less than 5 kt becoming SE 7 to 12 kt in the morning. Scattered showers, then showers likely and possibly a thunderstorm after noon. Some of the storms could produce heavy rainfall. N swell 0 ft at 0 seconds. Waves 2 to 3 ft.

Tonight

ESE wind 11 to 15 kt. Showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall. N swell 0 ft at 0 seconds. Waves 3 ft building to 6 ft.

Thursday

SE wind 14 to 23 kt becoming S in the afternoon. Winds could gust as high as 30 kt. Showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall. N swell 0 ft at 0 seconds. Waves 6 to 8 ft.

Thursday Night

SSE wind 14 to 18 kt. Showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall. N swell 0 ft. Waves 6 to 7 ft.

Friday

S wind 9 to 14 kt becoming WSW in the morning. Frequent showers and possibly a thunderstorm before 2pm, then scattered showers and thunderstorms after 2pm. Some of the storms could produce heavy rainfall. N swell 0 ft. Waves 6 ft subsiding to 2 ft.

Friday Night

WSW wind around 10 kt. Scattered showers and thunderstorms before 8pm. Some of the storms could produce heavy rainfall. N swell 0 ft. Waves around 2 ft.

Saturday

WSW wind 7 to 11 kt. Isolated showers after 8am. N swell 0 ft. Waves around 2 ft.

Saturday Night

W wind around 7 kt. Showers likely. N swell 0 ft. Waves 1 to 2 ft.

Sunday

WSW wind 5 to 7 kt becoming variable and less than 5 kt in the afternoon. Scattered showers and thunderstorms. Some of the storms could produce heavy rainfall. 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.