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Honolulu, HI Local Forecast Office

8NM SW Waikapu HI

Marine Point Forecast

[NOTICE]

Tonight
Low: 75 °F
⇑ENE 15kt
2-3ft

Small Craft Advisory
Sunday
High: 79 °F
NE 22kt⇓
2-4ft

Small Craft Advisory
Sunday Night
Low: 75 °F
NE 11kt
2ft

Small Craft Advisory
Monday
High: 80 °F
NE 11kt
2ft

Small Craft Advisory
Monday Night
Low: 75 °F
NE 11kt
2ft
Veterans Day
High: 80 °F
NE 13kt
2ft
Tuesday Night
Low: 75 °F
NE 13kt
2ft
Wednesday
High: 80 °F
NE 14kt
2ft
Wednesday Night
Low: 76 °F
NNE 14kt
2ft

High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 6:02 pm HST Nov 8, 2025
Forecast Valid: 7pm HST Nov 8, 2025-6pm HST Nov 15, 2025

View Nearby Observations

Detailed Forecast

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

Tonight

Variable winds less than 5 kt becoming ENE 10 to 15 kt in the evening. Scattered showers. Mixed swell...NNW 1 ft at 12 seconds and SSW 1 ft at 12 seconds. Waves 2 to 3 ft.

Sunday

NE wind 17 to 22 kt decreasing to 11 to 16 kt in the afternoon. Winds could gust as high as 28 kt. Isolated showers before noon. Mixed swell...NNW 1 ft at 11 seconds and SSW 1 ft at 12 seconds building to at 15 seconds . Waves 2 to 4 ft.

Sunday Night

NE wind around 11 kt. Partly cloudy. Mixed swell...NNW 1 ft at 13 seconds and SSW 1 ft at 14 seconds. Waves around 2 ft.

Monday

NE wind around 11 kt. Sunny. Mixed swell...NNW 1 ft and SSW 1 ft. Waves around 2 ft.

Monday Night

NE wind 8 to 11 kt. Mostly clear. Mixed swell...NNW 1 ft and SSW 1 ft. Waves around 2 ft.

Veterans Day

NE wind 8 to 13 kt. Sunny. Mixed swell...NNW 1 ft and SSW 1 ft. Waves around 2 ft.

Tuesday Night

NE wind 7 to 13 kt. Partly cloudy. Mixed swell...NNW 1 ft and SSW 1 ft. Waves around 2 ft.

Wednesday

NE wind 12 to 14 kt. Mostly sunny. Mixed swell...NNW 1 ft and SSW 1 ft. Waves around 2 ft.

Wednesday Night

NNE wind around 14 kt. Partly cloudy. Mixed swell...NNW 1 ft and SSW 1 ft. Waves around 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.