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Honolulu, HI Local Forecast Office

4NM E Wainaku HI

Marine Point Forecast

[NOTICE]

This Afternoon
High: 79 °F
E 8kt
< 1ft
Tonight
Low: 70 °F
ESE 8kt⇓
< 1ft
Sunday
High: 80 °F
⇑E 9kt
< 1ft
Sunday Night
Low: 70 °F
Light Wind
1ft
Monday
High: 81 °F
⇑ESE 9kt
< 1ft
Monday Night
Low: 70 °F
SSE 6kt⇓
3ft
Tuesday
High: 81 °F
⇑ESE 8kt
3-5ft
Tuesday Night
Low: 70 °F
Light Wind
5ft
Wednesday
High: 81 °F
E 8kt⇓
5-6ft

High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 8:44 am HST Apr 18, 2026
Forecast Valid: 2pm HST Apr 18, 2026-6pm HST Apr 24, 2026

View Nearby Observations

Detailed Forecast

This Afternoon

E wind around 8 kt. Cloudy. N swell 0 ft at 12 seconds. Waves 1 ft or less.

Tonight

ESE wind 5 to 8 kt becoming variable and less than 5 kt in the evening. A slight chance of showers after midnight. N swell 0 ft at 12 seconds. Waves 1 ft or less.

Sunday

Variable winds less than 5 kt becoming E 5 to 9 kt in the afternoon. A slight chance of showers. N swell 0 to 1 ft at 13 seconds. Waves 1 ft or less.

Sunday Night

Variable winds 5 kt or less. Mostly cloudy. N swell 1 ft. Waves around 1 ft.

Monday

Variable winds less than 5 kt becoming ESE 5 to 9 kt in the afternoon. Isolated showers after noon. N swell 1 ft. Waves 1 ft or less.

Monday Night

SSE wind around 6 kt becoming variable and less than 5 kt in the evening. Isolated showers. N swell 0 ft. Waves 1 ft or less building to 3 ft.

Tuesday

Variable winds less than 5 kt becoming ESE 5 to 8 kt in the afternoon. Partly sunny. N swell 1 ft. Waves 3 to 5 ft.

Tuesday Night

Variable winds 5 kt or less. Mostly cloudy. N swell 1 ft. Waves around 5 ft.

Wednesday

E wind 5 to 8 kt becoming variable and less than 5 kt in the afternoon. Sunny. N swell 1 ft. Waves 5 to 6 ft.

Winds and seas higher in and near tstms.

*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.