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Honolulu, HI Local Forecast Office

4NM E Wainaku HI

Marine Point Forecast

[NOTICE]

This Afternoon
High: 87 °F
NNW 10kt⇓
4ft
Tonight
Low: 76 °F
⇑SE 8kt
3-4ft
Wednesday
High: 83 °F
Light Wind
3ft
Wednesday Night
Low: 74 °F
Light Wind
3ft
Thursday
High: 81 °F
⇑ENE 7kt
2-3ft
Thursday Night
Low: 73 °F
Light Wind
2ft
Friday
High: 81 °F
ENE 6kt⇓
2ft
Friday Night
Low: 73 °F
Light Wind
1-2ft
Saturday
High: 82 °F
ENE 6kt⇓
5ft

High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 11:33 am HST Sep 8, 2026
Forecast Valid: 2pm HST Sep 8, 2026-6pm HST Sep 14, 2026

View Nearby Observations

Detailed Forecast

...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE THIS AFTERNOON...

This Afternoon

NNW wind 5 to 10 kt becoming variable and less than 5 kt. Scattered showers. The rain could be heavy at times. SE swell 0 ft at 15 seconds. Waves around 4 ft.

Tonight

Variable winds less than 5 kt becoming SE 5 to 8 kt. Occasional showers, mainly after midnight. SE swell 0 ft at 15 seconds. Waves 3 to 4 ft.

Wednesday

Variable winds 5 kt or less. Occasional showers. SE swell 0 ft at 14 seconds. Waves around 3 ft.

Wednesday Night

Variable winds 5 kt or less. Showers likely. SE swell 0 ft. Waves around 3 ft.

Thursday

Variable winds less than 5 kt becoming ENE 5 to 7 kt. Showers likely, mainly before noon. SE swell 0 ft. Waves 2 to 3 ft.

Thursday Night

Variable winds 5 kt or less. Scattered showers. SE swell 0 ft. Waves around 2 ft.

Friday

ENE wind around 6 kt becoming variable and less than 5 kt in the afternoon. Scattered showers. SE swell 0 ft. Waves around 2 ft.

Friday Night

Variable winds 5 kt or less. Scattered showers. SE swell 0 ft. Waves 1 to 2 ft.

Saturday

ENE wind around 6 kt becoming variable and less than 5 kt in the afternoon. Scattered showers. SE swell 0 ft. Waves 1 ft building to 5 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.