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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 am Saturday 25 Apr 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
25.8° C
(Which is 1.1°C warmer than normal for this time of year)How big are the waves at Kahalu'u Beach Park today?
The current surf forecast for Kahalu'u Beach Park at 9AM is: 0.6m 12s primary swell from a West-northwest direction and 0.4m 16s secondary swell from a Southwest direction (forecast issued at 01:00am April 25). The wind direction is predicted to be cross-onshore.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (25 Apr) | 2ft (0.6m) | 12s |
| Afternoon (25 Apr) | 1.5ft (0.5m) | 16s |
| Evening (25 Apr) | 1.5ft (0.5m) | 16s |
Table - waves today at Kahalu'u Beach Park. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastLight rain (total 4mm), mostly falling on Sat night. Warm (max 26°C on Sun morning, min 24°C on Sat morning). Wind will be generally light. | ||||||||||||||||||||||||
Saturday 25 | Sunday 26 | Monday 27 | ||||||||||||||||||||||
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 | 11 AM | 2 PM | 5 PM | 8 PM | 11 PM | |
Swell Height Map |    |    |    | |||||||||||||||||||||
WNW 12 | WNW 12 | WNW 12 | SW 16 | SW 16 | SW 16 | SW 16 | SW 15 | SW 15 | SW 15 | SW 15 | SSW 14 | SSW 14 | SW 14 | SW 14 | SW 14 | SW 14 | SW 14 | SW 13 | SW 13 | SW 13 | SW 13 | SW 13 | SW 13 | |
117 | 115 | 111 | 118 | 121 | 121 | 121 | 116 | 107 | 104 | 104 | 140 | 140 | 102 | 100 | 97 | 93 | 89 | 88 | 85 | 85 | 84 | 84 | 84 | |
Wind (km/h) | ||||||||||||||||||||||||
glassy | cross-on | cross-on | on | on | cross-on | cross | glassy | cross | cross | glassy | cross-on | cross-on | cross-on | glassy | cross-on | cross-on | cross | glassy | cross-on | cross-on | on | on | glassy | |
High Tide | 11:08PM0.67m | 12:38PM0.42m | 00:03AM0.64m | 1:22PM0.52m | 00:49AM0.61m | 1:57PM0.60m | ||||||||||||||||||
Low Tide | 6:33AM0.13m | 5:33PM0.26m | 7:01AM0.11m | 6:50PM0.25m | 7:26AM0.09m | 7:50PM0.23m | ||||||||||||||||||
 |  |  | | | |  | | | | | | | | | | | | | | | | |  | |
 | — | 5:58 | — | — | — | — | — | — | — | 5:58 | — | — | — | — | — | — | — | 5:56 | — | — | — | — | — | — |
 | — | — | — | — | — | 6:44 | — | — | — | — | — | — | — | 6:45 | — | — | — | — | — | — | — | 6:45 | — | — |
— | 1 | — | — | — | — | — | 1 | 1 | — | — | — | — | — | — | — | — | 1 | — | — | — | — | — | 1 | |
Temp °C | 24 | 23 | 24 | 25 | 25 | 25 | 24 | 24 | 24 | 24 | 25 | 26 | 26 | 25 | 25 | 24 | 24 | 24 | 25 | 25 | 25 | 25 | 25 | 24 |
27 | 25 | 26 | 26 | 27 | 27 | 26 | 27 | 25 | 25 | 27 | 28 | 27 | 26 | 28 | 26 | 26 | 26 | 28 | 26 | 27 | 27 | 28 | 27 | |
Swell 1 Height (m) Direction Period (s) | WNW 12 | WNW 12 | WNW 12 | WNW 12 | WNW 11 | SW 16 | SW 16 | SW 15 | SW 15 | SW 15 | SW 15 | SSW 14 | SSW 14 | SW 14 | SW 14 | SW 14 | SW 14 | SW 14 | SW 13 | SW 13 | SW 13 | SW 13 | SW 13 | SW 13 |
 kJ | 117 | 115 | 111 | 107 | 102 | 121 | 121 | 116 | 107 | 104 | 104 | 140 | 140 | 102 | 100 | 97 | 93 | 89 | 88 | 85 | 85 | 84 | 84 | 84 |
Swell 2 Height (m) Direction Period (s) | SW 16 | SW 16 | SW 16 | SW 16 | SW 16 | WNW 11 | WNW 11 | WNW 11 | WNW 11 | WNW 11 | WNW 11 | WNW 10 | WNW 10 | WNW 10 | WNW 10 | WNW 10 | WNW 10 | WNW 9 | WNW 9 | WNW 9 | NNW 11 | NNW 11 | NNW 11 | NW 11 |
| kJ | 90 | 63 | 85 | 118 | 121 | 71 | 68 | 38 | 45 | 44 | 37 | 34 | 19 | 19 | 18 | 18 | 18 | 17 | 8 | 8 | 12 | 12 | 12 | 5 |
Swell 3 Height (m) Direction Period (s) | S 12 | SSW 12 | SSW 12 | SSW 12 | S 12 | S 12 | S 12 | S 11 | S 11 | S 11 | S 11 | S 11 | S 11 | NNW 12 | S 11 | S 11 | NNW 11 | NNW 11 | NNW 11 | NNW 11 | W 9 | W 9 | W 9 | W 9 |
| kJ | 12 | 29 | 29 | 29 | 11 | 11 | 11 | 23 | 9 | 9 | 9 | 9 | 9 | 14 | 9 | 9 | 13 | 13 | 12 | 13 | 6 | 6 | 6 | 6 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 0 | 6 | 14 | 55 | 52 | 26 | 1 | 0 | 6 | 5 | 0 | 52 | 52 | 52 | 0 | 94 | 6 | 2 | 0 | 99 | 99 | 99 | 25 | 0 |
Best forecast wave conditions in Big Island | ||||||||||||||||||||||||
Best forecast wave conditions in United States | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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