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

Hazardous Weather Conditions

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Honolulu, HI Local Forecast Office

Waimanalo Beach HI

Marine Point Forecast

[NOTICE]

    • This Afternoon

      This Afternoon:S wind 14 to 16 kt, with gusts as high as 22 kt. Showers and possibly a thunderstorm. N swell 0 ft at 0 seconds. Waves 1 ft or less.

      High: 78 °F

      S 16kt
      < 1ft

    • Tonight

      Tonight:S wind 10 to 14 kt. Showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall. N swell 0 ft at 0 seconds. Waves 1 ft or less.

      Low: 73 °F

      S 14kt
      < 1ft

    • Saturday

      Saturday:S wind 10 to 14 kt becoming WSW in the afternoon. Showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall. N swell 0 ft at 0 seconds. Waves 1 ft or less.

      High: 77 °F

      WSW 14kt
      < 1ft

    • Saturday Night

      Saturday Night:SSW wind around 11 kt. 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

      SSW 11kt
      < 1ft

    • Sunday

      Sunday:SSW wind 8 to 10 kt becoming W in the afternoon. Showers and possibly a thunderstorm before 8am, then scattered showers and thunderstorms after 8am. Some of the storms could produce heavy rainfall. N swell 0 ft. Waves 1 ft or less.

      High: 77 °F

      SSW 10kt
      < 1ft

    • Sunday Night

      Sunday Night:W wind 8 to 12 kt becoming N after midnight. Scattered showers. N swell 0 ft. Waves 1 ft or less.

      Low: 70 °F

      N 12kt
      < 1ft

    • Monday

      Monday:NNE wind 12 to 17 kt, with gusts as high as 24 kt. Scattered showers, mainly before 8am. N swell 0 ft. Waves 1 ft or less.

      High: 76 °F

      NNE 17kt
      < 1ft

    • Monday Night

      Monday Night:NE wind around 17 kt, with gusts as high as 24 kt. Isolated showers. N swell 0 ft. Waves 1 ft or less.

      Low: 70 °F

      NE 17kt
      < 1ft

    • Tuesday

      Tuesday:NE wind 16 to 19 kt, with gusts as high as 27 kt. Mostly sunny. N swell 0 ft. Waves 1 ft or less building to 6 ft.

      High: 76 °F

      NE 19kt
      Waves Building6ft


High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 6:01 am HST Mar 20, 2026
Forecast Valid: 12pm HST Mar 20, 2026-6pm HST Mar 26, 2026

View Nearby Observations

Detailed Forecast


This Afternoon
S wind 14 to 16 kt, with gusts as high as 22 kt. Showers and possibly a thunderstorm. N swell 0 ft at 0 seconds. Waves 1 ft or less.
Tonight
S wind 10 to 14 kt. Showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall. N swell 0 ft at 0 seconds. Waves 1 ft or less.
Saturday
S wind 10 to 14 kt becoming WSW in the afternoon. Showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall. N swell 0 ft at 0 seconds. Waves 1 ft or less.
Saturday Night
SSW wind around 11 kt. Showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall. N swell 0 ft. Waves 1 ft or less.
Sunday
SSW wind 8 to 10 kt becoming W in the afternoon. Showers and possibly a thunderstorm before 8am, then scattered showers and thunderstorms after 8am. Some of the storms could produce heavy rainfall. N swell 0 ft. Waves 1 ft or less.
Sunday Night
W wind 8 to 12 kt becoming N after midnight. Scattered showers. N swell 0 ft. Waves 1 ft or less.
Monday
NNE wind 12 to 17 kt, with gusts as high as 24 kt. Scattered showers, mainly before 8am. N swell 0 ft. Waves 1 ft or less.
Monday Night
NE wind around 17 kt, with gusts as high as 24 kt. Isolated showers. N swell 0 ft. Waves 1 ft or less.
Tuesday
NE wind 16 to 19 kt, with gusts as high as 27 kt. Mostly sunny. N swell 0 ft. Waves 1 ft or less building to 6 ft.

Winds and seas higher in and near tstms.

*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: 21.34°N 157.7°W
Last Update: 6:01 am HST Mar 20, 2026
Forecast Valid: 12pm HST Mar 20, 2026-6pm HST Mar 26, 2026
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