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Kahalu'u Beach Park Surf Forecast
/ HAW – Big Island (60 breaks) / Hawaii (267 breaks) /
Surf Forecasts:
Kahalu'u Beach Park surfForecast / HAW – Big Island / USA
48hr Weather and Surf, issued 7 am Saturday 21 Mar 2026 HSTForecast update in hr min s Forecast update imminent
Kahalu'u Beach Park surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Kahalu'u Beach Park sea temperature is
25.1° C
(Which is slightly warmer than usual)How big are the waves at Kahalu'u Beach Park today?
The current surf forecast for Kahalu'u Beach Park at 1PM is: 0.4m 18s primary swell from a South-southwest direction and 0.5m 12s secondary swell from a West-northwest direction, 0.5m 12s secondary swell from a South direction, 0.5m 4s secondary swell from a South direction (forecast issued at 07:00am March 21). The wind direction is predicted to be cross-shore.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (21 Mar) | 1.5ft (0.4m) | 18s |
| Afternoon (21 Mar) | 1.5ft (0.4m) | 18s |
| Evening (21 Mar) | 1.5ft (0.5m) | 18s |
Table - waves today at Kahalu'u Beach Park. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Saturday 21 | Sunday 22 | Monday 23 | Tue 24 | |||||||||||||||||||||
| 5 AM | 8 AM | 11 AM | 2 PM | 5 PM | 8 PM | 11 PM | 2 AM | 5 AM | 8 AM | 11 AM | 2 PM | 5 PM | 8 PM | 11 PM | 2 AM | 5 AM | 8 AM | 11 AM | 2 PM | 5 PM | 8 PM | 11 PM | 2 AM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 18 | 19 | 18 | 18 | 18 | 18 | 17 | 17 | 17 | 16 | 16 | 16 | 14 | 14 | 14 | 14 | 14 | 13 | 13 | 13 | 13 | 13 | 14 | 14 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 84 | 115 | 108 | 107 | 152 | 152 | 166 | 148 | 153 | 153 | 147 | 142 | 140 | 138 | 180 | 158 | 137 | 120 | 116 | 116 | 114 | 83 | 64 | 66 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- off | cross | cross | cross | cross | cross | cross- off | cross | cross- off | glass | on | cross- on | cross- off | glass | glass | glass | glass | glass | cross | cross- on | cross- on | glass | glass | on |
High Tide / height (m) | 4:56AM 0.52 | 5:59PM 0.77 | 5:28AM 0.45 | 6:51PM 0.77 | 6:01AM 0.37 | 7:54PM 0.74 | ||||||||||||||||||
Low Tide / height (m) | 11:01AM 0.03 | 12:33AM 0.22 | 11:31AM 0.04 | 1:49AM 0.26 | 12:05PM 0.07 | |||||||||||||||||||
Saturday 21 | Sunday 22 | Monday 23 | Tue 24 | |||||||||||||||||||||
| Sunrise | - | 6:26 | - | - | - | - | - | - | - | 6:26 | - | - | - | - | - | - | - | 6:24 | - | - | - | - | - | - |
| Sunset | - | - | - | - | 6:35 | - | - | - | - | - | - | - | 6:35 | - | - | - | - | - | - | - | 6:35 | - | - | - |
 |  | |  | |  | | |  | | |  | |  | | | |  | | | | | |  | |
Rain (mm) | - | 1 | 1 | - | 1 | 1 | 1 | 1 | 4 | 1 | 2 | 4 | 5 | - | 1 | 1 | 1 | - | 1 | 2 | 3 | 2 | - | - |
| Temp. °C | 25 | 25 | 26 | 26 | 26 | 25 | 25 | 25 | 24 | 25 | 25 | 22 | 25 | 24 | 24 | 24 | 23 | 23 | 23 | 24 | 23 | 23 | 23 | 22 |
| Feels °C (?) | 25 | 26 | 26 | 26 | 28 | 27 | 27 | 27 | 26 | 28 | 27 | 24 | 27 | 27 | 27 | 27 | 26 | 26 | 25 | 25 | 24 | 26 | 25 | 24 |
- Map Icons:
Break
Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
FREE! Surf-Forecast.com widget for your website
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