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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 Tuesday 12 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
26.1° 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 5AM is: 0.5m 16s primary swell from a South direction and 0.3m 11s secondary swell from a Northwest direction (forecast issued at 01:00am May 12). The wind direction is predicted to be glassy.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (12 May) | 1.5ft (0.4m) | 16s |
| Afternoon (12 May) | 1.5ft (0.4m) | 15s |
| Evening (12 May) | 1ft (0.3m) | 15s |
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 2mm), mostly falling on Thu afternoon. Warm (max 26°C on Tue morning, min 24°C on Tue morning). Wind will be generally light. | ||||||||||||||||||||||||
Tuesday 12 | Wednesday 13 | Thursday 14 | ||||||||||||||||||||||
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 |    |    |    | |||||||||||||||||||||
SSW 16 | S 16 | S 16 | SSW 16 | S 16 | S 16 | SSW 15 | SSW 15 | SSW 14 | S 14 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SW 15 | SSW 13 | S 13 | S 13 | SSW 13 | SSW 18 | S 12 | NW 15 | SW 17 | SW 17 | |
87 | 129 | 127 | 83 | 126 | 42 | 42 | 71 | 70 | 107 | 69 | 66 | 61 | 36 | 35 | 57 | 54 | 52 | 34 | 31 | 25 | 34 | 47 | 45 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-off | glassy | glassy | cross-on | cross-on | cross | cross | cross-on | glassy | glassy | cross | on | cross-on | glassy | cross-off | cross-on | cross-on | glassy | glassy | on | cross-on | cross | cross | cross-on | |
High Tide | 11:48PM0.58m | 1:19PM0.61m | 00:36AM0.54m | 1:57PM0.72m | 1:23AM0.49m | 2:36PM0.82m | ||||||||||||||||||
Low Tide | 6:33AM0.08m | 7:14PM0.27m | 7:01AM0.05m | 8:17PM0.23m | 7:31AM0.02m | 9:15PM0.19m | ||||||||||||||||||
 |  |  | |  | | | | | | | | | | | | | | | |  |  | | | |
 | — | 5:48 | — | — | — | — | — | — | — | 5:48 | — | — | — | — | — | — | — | 5:48 | — | — | — | — | — | — |
 | — | — | — | — | — | 6:50 | — | — | — | — | — | — | — | 6:51 | — | — | — | — | — | — | — | 6:51 | — | — |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | 1 | — | — | |
Temp °C | 24 | 24 | 24 | 26 | 25 | 25 | 24 | 24 | 24 | 24 | 25 | 26 | 25 | 25 | 25 | 24 | 24 | 24 | 25 | 25 | 25 | 26 | 25 | 25 |
26 | 26 | 26 | 28 | 27 | 27 | 25 | 26 | 27 | 26 | 27 | 27 | 26 | 28 | 27 | 26 | 26 | 27 | 28 | 26 | 27 | 28 | 25 | 28 | |
Swell 1 Height (m) Direction Period (s) | SSW 16 | S 16 | S 16 | SSW 16 | S 16 | SSW 15 | SSW 15 | SSW 15 | SSW 14 | S 14 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | S 13 | SSW 13 | S 13 | S 13 | SSW 13 | S 12 | S 12 | NW 15 | S 12 | S 12 |
 kJ | 87 | 129 | 127 | 83 | 126 | 42 | 42 | 71 | 70 | 107 | 69 | 66 | 61 | 36 | 31 | 57 | 54 | 52 | 34 | 25 | 25 | 34 | 25 | 45 |
Swell 2 Height (m) Direction Period (s) | S 12 | NW 11 | NW 11 | NW 11 | NW 11 | S 16 | SSW 11 | S 15 | S 15 | WNW 3 | WNW 10 | SSW 15 | SW 15 | S 13 | SSW 13 | SW 15 | S 3 | S 4 | SSW 14 | SSW 14 | NNW 16 | S 12 | NW 15 | SW 17 |
| kJ | 11 | 19 | 30 | 30 | 30 | 42 | 25 | 38 | 38 | 1 | 10 | 22 | 34 | 31 | 35 | 33 | 2 | 3 | 20 | 20 | 24 | 11 | 34 | 45 |
Swell 3 Height (m) Direction Period (s) | NW 11 | S 16 | S 16 | S 16 | S 11 | S 11 | S 15 | S 11 | S 11 | NW 10 | SSW 16 | S 13 | S 13 | SSW 15 | SW 15 | S 10 | SSW 14 | SSW 14 | S 12 | SSW 18 | SSW 13 | SSW 12 | SW 17 | NW 14 |
| kJ | 18 | 21 | 46 | 45 | 9 | 21 | 39 | 21 | 10 | 16 | 24 | 14 | 14 | 21 | 34 | 2 | 21 | 21 | 12 | 31 | 16 | 15 | 47 | 33 |
Wind waves Height (m) Direction Period (s) | — | — | — | NNW 4 | — | — | — | NW 10 | NW 3 | — | SSW 4 | SW 3 | WSW 3 | W 3 | S 2 | SSW 3 | — | NNW 2 | NNW 3 | — | — | — | — | NW 3 |
| kJ | — | — | — | 2 | — | — | — | 16 | 2 | — | 1 | 2 | 2 | 1 | 1 | 3 | — | 1 | 1 | — | — | — | — | 2 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 0 | 0 | 0 | 14 | 99 | 1 | 99 | 13 | 0 | 0 | 94 | 125 | 128 | 0 | 0 | 25 | 96 | 0 | 0 | 94 | 160 | 1 | 1 | 5 |
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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