National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

For More Weather Information:

Honolulu, HI Local Forecast Office

Wainaku HI

Marine Point Forecast

[NOTICE]

    • Today

      Today:NNE wind 5 to 9 kt. Scattered showers, mainly before noon. N swell 0 ft at 0 seconds. Waves 1 ft or less.

      High: 82 °F

      NNE 9kt
      < 1ft

    • Tonight

      Tonight:N wind 5 to 9 kt. Scattered showers. N swell 0 ft at 0 seconds. Waves 1 ft or less.

      Low: 71 °F

      N 9kt
      < 1ft

    • Friday

      Friday:N wind 6 to 12 kt. Scattered showers, then showers likely and possibly a thunderstorm after noon. Some of the storms could produce heavy rainfall. N swell 0 ft at 0 seconds. Waves 1 ft or less.

      High: 82 °F

      N 12kt
      < 1ft

    • Friday Night

      Friday Night:Tropical storm conditions possible, with hurricane conditions also possible. Showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall. N swell 0 ft. Waves 1 ft or less.

      Low: 72 °F

      Tropical Storm Conditions Possible With Hurricane Conditions Also Possible

    • Saturday

      Saturday:Tropical storm conditions possible. Showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall.

      High: 81 °F

      Tropical Storm Conditions Possible

    • Saturday Night

      Saturday Night:Variable winds less than 5 kt becoming ESE 12 to 17 kt in the evening. Showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall. N swell 0 ft. Waves 1 ft or less.

      Low: 71 °F

      ⇑ESE 17kt
      < 1ft

    • Sunday

      Sunday:SE wind 7 to 12 kt. Showers likely and possibly a thunderstorm before noon, then scattered showers and thunderstorms after noon. Some of the storms could produce heavy rainfall. N swell 0 ft. Waves 1 ft or less.

      High: 82 °F

      SE 12kt
      < 1ft

    • Sunday Night

      Sunday Night:SSE wind 5 to 7 kt becoming variable and less than 5 kt in the evening. Showers likely. The rain could be heavy at times. N swell 0 ft. Waves 1 ft or less.

      Low: 71 °F

      SSE 7kt⇓
      < 1ft

    • Monday

      Monday:Variable winds less than 5 kt becoming E around 6 kt in the afternoon. Showers likely. N swell 0 ft. Waves 1 ft or less building to 5 ft.

      High: 81 °F

      ⇑E 6kt
      Waves Building5ft


High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 6:01 am HST Aug 13, 2026
Forecast Valid: 7am HST Aug 13, 2026-6pm HST Aug 19, 2026

View Nearby Observations

Detailed Forecast

...HURRICANE WATCH IN EFFECT...

Today
NNE wind 5 to 9 kt. Scattered showers, mainly before noon. N swell 0 ft at 0 seconds. Waves 1 ft or less.
Tonight
N wind 5 to 9 kt. Scattered showers. N swell 0 ft at 0 seconds. Waves 1 ft or less.
Friday
N wind 6 to 12 kt. Scattered showers, then showers likely and possibly a thunderstorm after noon. Some of the storms could produce heavy rainfall. N swell 0 ft at 0 seconds. Waves 1 ft or less.
Friday Night
Tropical storm conditions possible, with hurricane conditions also possible. Showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall. N swell 0 ft. Waves 1 ft or less.
Saturday
Tropical storm conditions possible. Showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall.
Saturday Night
Variable winds less than 5 kt becoming ESE 12 to 17 kt in the evening. Showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall. N swell 0 ft. Waves 1 ft or less.
Sunday
SE wind 7 to 12 kt. Showers likely and possibly a thunderstorm before noon, then scattered showers and thunderstorms after noon. Some of the storms could produce heavy rainfall. N swell 0 ft. Waves 1 ft or less.
Sunday Night
SSE wind 5 to 7 kt becoming variable and less than 5 kt in the evening. Showers likely. The rain could be heavy at times. N swell 0 ft. Waves 1 ft or less.
Monday
Variable winds less than 5 kt becoming E around 6 kt in the afternoon. Showers likely. N swell 0 ft. Waves 1 ft or less building to 5 ft.

*Notices:

  1. 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.
  2. 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.
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ABOUT THIS FORECAST

Point Forecast: 19.75°N 155.09°W
Last Update: 6:01 am HST Aug 13, 2026
Forecast Valid: 7am HST Aug 13, 2026-6pm HST Aug 19, 2026
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