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Honolulu, HI Local Forecast Office

8NM SW Waikapu HI

Marine Point Forecast

[NOTICE]

Today
High: 81 °F
NE 13kt⇓
1-2ft
Tonight
Low: 77 °F
⇑NE 13kt
1-2ft
Tuesday
High: 81 °F
NE 13kt⇓
1ft
Tuesday Night
Low: 76 °F
NE 7kt⇓
1-2ft
Wednesday
High: 81 °F
Light Wind
1ft
Wednesday Night
Low: 76 °F
Light Wind
1-2ft
Thursday
High: 80 °F
Light Wind
2ft
Thursday Night
Low: 76 °F
Light Wind
1-2ft
Friday
High: 80 °F
Light Wind
1-2ft

High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 6:02 am HST Nov 3, 2025
Forecast Valid: 6am HST Nov 3, 2025-6pm HST Nov 9, 2025

View Nearby Observations

Detailed Forecast

Today

NE wind 8 to 13 kt becoming variable and less than 5 kt in the afternoon. Widespread haze. NNW swell 1 ft at 11 seconds. Waves 1 to 2 ft.

Tonight

Variable winds less than 5 kt becoming NE 8 to 13 kt after midnight. Widespread haze. NNW swell 1 ft at 11 seconds. Waves 1 to 2 ft.

Tuesday

NE wind 8 to 13 kt becoming variable and less than 5 kt. Widespread haze. NNW swell 1 ft at 12 seconds. Waves around 1 ft.

Tuesday Night

NE wind 5 to 7 kt becoming variable and less than 5 kt after midnight. Widespread haze. NNW swell 1 ft becoming mixed swell... NNW 1 ft and N 0 to 1 ft. Waves 1 to 2 ft.

Wednesday

Variable winds 5 kt or less. Mostly sunny. NNW swell 1 ft. Waves around 1 ft.

Wednesday Night

Variable winds 5 kt or less. Partly cloudy. Mixed swell...NNW 1 ft and SSW 1 ft. Waves 1 to 2 ft.

Thursday

Variable winds 5 kt or less. Mostly sunny. Mixed swell...NNW 1 ft and SSW 1 ft. Waves around 2 ft.

Thursday Night

Variable winds 5 kt or less. Partly cloudy. Mixed swell...NNW 1 ft and SSW 1 ft...becoming N 0 ft. Waves 1 to 2 ft.

Friday

Variable winds 5 kt or less. Mostly sunny. NNW swell 0 ft. Waves 1 to 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.