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Honolulu, HI Local Forecast Office

8NM SW Waikapu HI

Marine Point Forecast

[NOTICE]

Wednesday
High: 79 °F
SW 8kt
2ft
Wednesday Night
Low: 75 °F
SW 7kt
2ft
Thursday
High: 77 °F
SW 8kt⇓
2ft
Thursday Night
Low: 73 °F
Light Wind
2ft
Friday
High: 78 °F
Light Wind
2ft
Friday Night
Low: 74 °F
⇑S 8kt
2ft
Saturday
High: 79 °F
SSW 10kt
1-2ft
Saturday Night
Low: 75 °F
S 10kt
1-2ft
Sunday
High: 79 °F
S 9kt
1-2ft

High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 11:24 pm HST Dec 9, 2025
Forecast Valid: 1am HST Dec 10, 2025-6pm HST Dec 16, 2025

View Nearby Observations

Detailed Forecast

Wednesday

S wind 5 to 8 kt becoming WSW in the morning. Mostly sunny. WNW swell 1 ft at 13 seconds. Waves around 2 ft.

Wednesday Night

SW wind around 7 kt. Isolated showers after midnight. NW swell 1 ft at 15 seconds becoming mixed swell... NW 1 ft at 15 seconds and N 0 to 2 ft at 0 seconds building to at 8 seconds . Waves around 2 ft.

Thursday

SW wind 5 to 8 kt becoming variable and less than 5 kt in the afternoon. Scattered showers, mainly after noon. Mixed swell...N 1 ft at 8 seconds and SSW 2 ft at 15 seconds. Waves around 2 ft.

Thursday Night

Variable winds 5 kt or less. Isolated showers before midnight. Mixed swell...WNW 1 ft and SSW 1 to 2 ft. Waves around 2 ft.

Friday

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

Friday Night

Variable winds less than 5 kt becoming S 5 to 8 kt in the evening. Mostly clear. Mixed swell...N 1 ft and SSW 1 ft. Waves around 2 ft.

Saturday

SSW wind 7 to 10 kt. Isolated showers. Mixed swell...N 1 ft and SSW 1 ft. Waves 1 to 2 ft.

Saturday Night

S wind 7 to 10 kt. Scattered showers. N swell 0 ft. Waves 1 to 2 ft.

Sunday

S wind 6 to 9 kt. Scattered showers. N 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.