For More Weather Information:

Honolulu, HI Local Forecast Office

Wainaku HI

Marine Point Forecast

[NOTICE]

Sunday
High: 80 °F
⇑ENE 6kt
< 1ft
Sunday Night
Low: 69 °F
E 6kt⇓
< 1ft
Monday
High: 80 °F
⇑ESE 9kt
< 1ft
Monday Night
Low: 69 °F
ESE 7kt⇓
< 1ft
Tuesday
High: 81 °F
⇑ESE 7kt
< 1ft
Tuesday Night
Low: 69 °F
Light Wind
< 1ft
Wednesday
High: 82 °F
⇑E 7kt
6ft
Wednesday Night
Low: 69 °F
Light Wind
5-6ft
Thursday
High: 80 °F
⇑ENE 6kt
5ft

High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 6:02 pm HST Apr 18, 2026
Forecast Valid: 2am HST Apr 19, 2026-6pm HST Apr 25, 2026

View Nearby Observations

Detailed Forecast

Sunday

Variable winds less than 5 kt becoming ENE around 6 kt in the afternoon. A chance of showers. N swell 0 ft at 0 seconds. Waves 1 ft or less.

Sunday Night

E wind around 6 kt becoming variable and less than 5 kt in the evening. A chance of showers. N swell 0 ft at 0 seconds. Waves 1 ft or less.

Monday

Variable winds less than 5 kt becoming ESE 5 to 9 kt in the morning. A chance of showers, mainly before noon. N swell 0 ft at 0 seconds. Waves 1 ft or less.

Monday Night

ESE wind 5 to 7 kt becoming variable and less than 5 kt after midnight. A slight chance of showers. N swell 0 ft. Waves 1 ft or less.

Tuesday

Variable winds less than 5 kt becoming ESE 5 to 7 kt in the afternoon. A slight chance of showers before noon. N swell 0 ft. Waves 1 ft or less.

Tuesday Night

Variable winds 5 kt or less. Partly cloudy. N swell 0 ft. Waves 1 ft or less.

Wednesday

Variable winds less than 5 kt becoming E 5 to 7 kt. Sunny. N swell 0 ft. Waves 1 ft or less building to 6 ft.

Wednesday Night

Variable winds 5 kt or less. Scattered showers. N swell 0 ft. Waves 5 to 6 ft.

Thursday

Variable winds less than 5 kt becoming ENE around 6 kt. Scattered showers. N swell 0 ft. Waves around 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.