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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 1 pm Monday 25 May 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
26.3° 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 6PM is: 0.6m 13s primary swell from a South direction and 0.2m 11s secondary swell from a North-northwest direction, 0.2m 4s secondary swell from a South-southwest direction (forecast issued at 01:00pm May 25). The wind direction is predicted to be glassy.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (25 May) | 2ft (0.6m) | 13s |
| Afternoon (25 May) | 2ft (0.6m) | 13s |
| Evening (25 May) | 2ft (0.6m) | 13s |
Table - waves today at Kahalu'u Beach Park. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastMostly dry. Warm (max 26°C on Thu morning, min 24°C on Mon night). Wind will be generally light. | ||||||||||||||||||||||||
Mon 25 | Tuesday 26 | Wednesday 27 | Thu 28 | |||||||||||||||||||||
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 | 5 AM | 8 AM | |
Swell Height Map |    |    |    |    | ||||||||||||||||||||
S 14 | S 13 | S 13 | S 13 | S 13 | S 13 | S 13 | S 13 | S 16 | S 16 | S 15 | S 15 | S 15 | S 14 | S 14 | S 14 | S 14 | S 13 | S 13 | S 13 | S 13 | S 13 | S 12 | S 12 | |
91 | 84 | 125 | 121 | 121 | 83 | 82 | 78 | 179 | 174 | 163 | 153 | 150 | 203 | 146 | 142 | 134 | 130 | 173 | 126 | 123 | 117 | 110 | 108 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-on | cross-on | cross-on | glassy | cross-off | cross-off | cross-off | cross-on | cross-on | cross-on | cross-on | glassy | glassy | cross-off | cross-off | cross-on | on | on | cross | cross-off | glassy | cross-on | cross | glassy | |
High Tide | 12:56PM0.59m | 11:53PM0.49m | 1:33PM0.67m | 00:41AM0.44m | 2:07PM0.73m | 1:25AM0.40m | ||||||||||||||||||
Low Tide | 6:51PM0.32m | 6:24AM0.09m | 7:59PM0.28m | 6:52AM0.08m | 8:52PM0.25m | 7:20AM0.07m | ||||||||||||||||||
 |  | |  | |  | | | | | | | | | | | | |  | | | | | | |
 | — | — | — | — | — | — | 5:45 | — | — | — | — | — | — | — | 5:45 | — | — | — | — | — | — | — | 5:45 | — |
 | — | — | 6:55 | — | — | — | — | — | — | — | 6:55 | — | — | — | — | — | — | — | 6:55 | — | — | — | — | 6:57 |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 26 | 25 | 25 | 25 | 24 | 24 | 24 | 24 | 25 | 25 | 25 | 24 | 24 | 24 | 24 | 24 | 25 | 24 | 24 | 24 | 24 | 24 | 24 | 25 |
27 | 27 | 27 | 27 | 26 | 25 | 25 | 26 | 25 | 25 | 27 | 26 | 26 | 26 | 26 | 26 | 25 | 25 | 26 | 25 | 26 | 25 | 25 | 26 | |
Swell 1 Height (m) Direction Period (s) | S 14 | S 13 | S 13 | S 13 | S 13 | S 13 | S 13 | S 13 | S 16 | S 16 | S 15 | S 15 | S 15 | S 14 | S 14 | S 14 | S 14 | S 13 | S 13 | S 13 | S 13 | S 13 | S 12 | S 12 |
 kJ | 91 | 84 | 125 | 121 | 121 | 83 | 82 | 78 | 179 | 174 | 163 | 153 | 150 | 203 | 146 | 142 | 134 | 130 | 173 | 126 | 123 | 117 | 110 | 108 |
Swell 2 Height (m) Direction Period (s) | S 12 | S 4 | NNW 11 | S 4 | S 4 | WNW 3 | S 16 | S 16 | NW 11 | S 4 | S 4 | WNW 18 | NW 18 | NW 17 | NW 16 | NW 16 | NW 15 | NW 15 | NW 15 | NW 14 | NW 14 | NW 13 | NW 13 | NW 13 |
| kJ | 11 | 1 | 12 | 1 | 1 | 1 | 46 | 46 | 4 | 1 | 1 | 32 | 49 | 47 | 67 | 66 | 112 | 106 | 104 | 100 | 95 | 88 | 85 | 84 |
Swell 3 Height (m) Direction Period (s) | NNW 11 | NNW 11 | NNW 11 | NW 11 | NW 11 | S 17 | W 3 | NW 11 | SW 18 | NW 10 | NW 20 | SW 18 | SW 18 | NW 10 | NW 10 | NW 10 | NW 10 | SW 16 | SW 16 | SW 16 | SW 16 | SSW 16 | SSW 16 | S 24 |
| kJ | 13 | 12 | 12 | 5 | 5 | 22 | 1 | 4 | 12 | 4 | 15 | 12 | 12 | 4 | 4 | 4 | 4 | 11 | 11 | 10 | 10 | 25 | 25 | 43 |
Wind waves Height (m) Direction Period (s) | SSW 4 | — | SSW 4 | NW 2 | NW 3 | NNW 3 | S 4 | SSW 3 | SE 4 | WNW 2 | WNW 3 | W 3 | WSW 3 | — | — | — | — | SW 3 | NW 9 | — | — | NNW 9 | NNW 9 | — |
| kJ | 1 | — | 2 | 2 | 2 | 5 | 2 | 1 | 4 | 1 | 3 | 3 | 3 | — | — | — | — | 2 | 13 | — | — | 8 | 8 | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 14 | 25 | 5 | 0 | 0 | 0 | 0 | 6 | 99 | 99 | 11 | 0 | 0 | 0 | 0 | 5 | 99 | 99 | 1 | 0 | 0 | 6 | 2 | 0 |
Best forecast wave conditions in Big Island | ||||||||||||||||||||||||
Best forecast wave conditions in United States | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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Ocean Swells (m)- Wind Speed (km/h)
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