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Honolulu, HI Local Forecast Office

8NM SW Waikapu HI

Marine Point Forecast

[NOTICE]

Today
High: 81 °F
⇑WSW 9kt
1ft
Tonight
Low: 76 °F
NW 6kt⇓
1ft
Saturday
High: 80 °F
⇑NNE 10kt
1-2ft
Saturday Night
Low: 75 °F
NNE 10kt
2ft
Sunday
High: 79 °F
NNE 12kt
2ft
Sunday Night
Low: 75 °F
NNE 12kt
2ft
Monday
High: 79 °F
NE 12kt
2ft
Monday Night
Low: 75 °F
NE 12kt
2ft
Veterans Day
High: 79 °F
NNE 13kt
2-3ft

High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 6:02 am HST Nov 7, 2025
Forecast Valid: 6am HST Nov 7, 2025-6pm HST Nov 13, 2025

View Nearby Observations

Detailed Forecast

Today

Variable winds less than 5 kt becoming WSW 5 to 9 kt in the afternoon. Mostly sunny. NNW swell 0 ft at 0 seconds. Waves around 1 ft.

Tonight

NW wind around 6 kt becoming variable and less than 5 kt in the evening. Mostly clear. NNW swell 0 ft at 0 seconds. Waves around 1 ft.

Saturday

Variable winds less than 5 kt becoming NNE 5 to 10 kt in the afternoon. Isolated showers after noon. N swell 0 ft at 0 seconds becoming mixed swell... NNW 1 ft at 12 seconds and SSW 1 ft at 13 seconds. Waves 1 to 2 ft.

Saturday Night

NNE wind around 10 kt. Scattered showers. Mixed swell...NNW 1 ft and SSW 1 ft. Waves around 2 ft.

Sunday

NNE wind 9 to 12 kt. Scattered showers, mainly before noon. Mixed swell...NNW 1 ft and SSW 1 ft. Waves around 2 ft.

Sunday Night

NNE wind 10 to 12 kt. Isolated showers before midnight. Mixed swell...NNW 1 ft and SSW 1 ft. Waves around 2 ft.

Monday

NE wind 10 to 12 kt. Sunny. Mixed swell...NNW 1 ft and SSW 1 ft. Waves around 2 ft.

Monday Night

NE wind 7 to 12 kt. Mostly clear. Mixed swell...NNW 1 ft and SSW 1 ft. Waves around 2 ft.

Veterans Day

NNE wind 7 to 13 kt. Sunny. Mixed swell...NNW 1 ft and SSW 1 ft. Waves 2 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.