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Hazardous Weather Conditions

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Honolulu, HI Local Forecast Office

8NM SW Waikapu HI

Marine Point Forecast

[NOTICE]

    • This Afternoon

      This Afternoon:SSE wind around 12 kt becoming NNE. Partly sunny. SSW swell 1 ft at 17 seconds. Waves 2 to 3 ft.

      High: 81 °F

      NNE 12kt
      2-3ft

      Small Craft Advisory
      Small Craft Advisory

    • Tonight

      Tonight:NE wind 12 to 17 kt increasing to 18 to 23 kt in the evening. Winds could gust as high as 30 kt. Partly cloudy. SSW swell 1 ft at 16 seconds. Waves around 2 ft.

      Low: 76 °F

      ⇑NE 23kt
      2ft

      Small Craft Advisory
      Small Craft Advisory

    • Sunday

      Sunday:NE wind 13 to 22 kt, with gusts as high as 28 kt. Sunny. SSW swell 1 ft at 16 seconds. Waves around 2 ft.

      High: 82 °F

      NE 22kt
      2ft

      Small Craft Advisory
      Small Craft Advisory

    • Sunday Night

      Sunday Night:NE wind 10 to 16 kt. Partly cloudy. SSW swell 1 ft. Waves around 2 ft.

      Low: 76 °F

      NE 16kt
      2ft

      Small Craft Advisory
      Small Craft Advisory

    • Monday

      Monday:ENE wind 9 to 13 kt. Partly sunny. SSW swell 0 to 1 ft. Waves around 2 ft.

      High: 81 °F

      ENE 13kt
      2ft

    • Monday Night

      Monday Night:NE wind 13 to 18 kt. Mostly cloudy. SSW swell 1 ft. Waves around 2 ft.

      Low: 75 °F

      NE 18kt
      2ft

    • Tuesday

      Tuesday:ENE wind around 16 kt. Partly sunny. SSW swell 1 ft. Waves 1 to 2 ft.

      High: 81 °F

      ENE 16kt
      1-2ft

    • Tuesday Night

      Tuesday Night:ENE wind 14 to 16 kt. Mostly cloudy. SSW swell 1 ft. Waves around 1 ft.

      Low: 76 °F

      ENE 16kt
      1ft

    • Wednesday

      Wednesday:ENE wind 11 to 15 kt. Partly sunny. SSW swell 1 ft. Waves 1 to 2 ft.

      High: 82 °F

      ENE 15kt
      1-2ft


High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 8:46 am HST Jul 5, 2025
Forecast Valid: 2pm HST Jul 5, 2025-6pm HST Jul 11, 2025

View Nearby Observations

Detailed Forecast

...SMALL CRAFT ADVISORY IN EFFECT THROUGH EARLY MONDAY MORNING...

This Afternoon
SSE wind around 12 kt becoming NNE. Partly sunny. SSW swell 1 ft at 17 seconds. Waves 2 to 3 ft.
Tonight
NE wind 12 to 17 kt increasing to 18 to 23 kt in the evening. Winds could gust as high as 30 kt. Partly cloudy. SSW swell 1 ft at 16 seconds. Waves around 2 ft.
Sunday
NE wind 13 to 22 kt, with gusts as high as 28 kt. Sunny. SSW swell 1 ft at 16 seconds. Waves around 2 ft.
Sunday Night
NE wind 10 to 16 kt. Partly cloudy. SSW swell 1 ft. Waves around 2 ft.
Monday
ENE wind 9 to 13 kt. Partly sunny. SSW swell 0 to 1 ft. Waves around 2 ft.
Monday Night
NE wind 13 to 18 kt. Mostly cloudy. SSW swell 1 ft. Waves around 2 ft.
Tuesday
ENE wind around 16 kt. Partly sunny. SSW swell 1 ft. Waves 1 to 2 ft.
Tuesday Night
ENE wind 14 to 16 kt. Mostly cloudy. SSW swell 1 ft. Waves around 1 ft.
Wednesday
ENE wind 11 to 15 kt. Partly sunny. SSW swell 1 ft. Waves 1 to 2 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: 20.76°N 156.64°W
Last Update: 8:46 am HST Jul 5, 2025
Forecast Valid: 2pm HST Jul 5, 2025-6pm HST Jul 11, 2025
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