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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 Friday 15 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
26.0° 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 7PM is: 0.3m 18s primary swell from a South-southwest direction and 0.3m 12s secondary swell from a Northwest direction, 0.4m 16s secondary swell from a Southwest direction, 0.3m 4s secondary swell from a South-southwest direction (forecast issued at 01:00pm May 15). The wind direction is predicted to be glassy.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (15 May) | 1.5ft (0.4m) | 16s |
| Afternoon (15 May) | 1.5ft (0.4m) | 16s |
| Evening (15 May) | 1.5ft (0.4m) | 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 3mm), mostly falling on Sat afternoon. Warm (max 27°C on Sat morning, min 25°C on Fri afternoon). Wind will be generally light. | ||||||||||||||||||||||||
Fri 15 | Saturday 16 | Sunday 17 | Mon 18 | |||||||||||||||||||||
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 |    |    |    |    | ||||||||||||||||||||
SW 16 | SW 16 | SSW 16 | SW 16 | SW 16 | SW 16 | SW 14 | SW 15 | SW 15 | SSW 16 | SSW 17 | SSW 17 | SSW 17 | SSW 17 | SSW 16 | SSW 16 | SSW 15 | SSW 16 | SSW 15 | SSW 15 | SSW 15 | SSW 14 | SSW 14 | SSW 14 | |
65 | 64 | 99 | 65 | 64 | 64 | 65 | 77 | 77 | 91 | 92 | 96 | 99 | 96 | 144 | 137 | 135 | 137 | 196 | 191 | 188 | 183 | 183 | 180 | |
Wind (km/h) | ||||||||||||||||||||||||
on | cross-on | cross-on | glassy | cross | glassy | cross-on | cross-on | cross-on | cross-on | cross-on | cross | cross | cross | glassy | glassy | on | on | on | on | on | cross-on | cross-on | glassy | |
High Tide | 3:17PM0.89m | 2:54AM0.40m | 4:01PM0.93m | 3:40AM0.35m | 4:47PM0.94m | 4:28AM0.32m | ||||||||||||||||||
Low Tide | 8:04AM-0.01m | 10:11PM0.16m | 8:40AM-0.03m | 11:06PM0.14m | 9:18AM-0.03m | 00:03AM0.14m | ||||||||||||||||||
 | |  |  | | | | | |  | | | | | | | | | |  |  | | | | |
 | — | — | — | — | — | — | 5:48 | — | — | — | — | — | — | — | 5:47 | — | — | — | — | — | — | — | 5:47 | — |
 | — | — | 6:52 | — | — | — | — | — | — | — | 6:52 | — | — | — | — | — | — | — | 6:52 | — | — | — | — | 6:52 |
— | — | — | — | — | — | — | — | — | 1 | — | — | — | — | — | — | — | — | — | — | 1 | 1 | — | — | |
Temp °C | 26 | 26 | 25 | 25 | 25 | 25 | 25 | 26 | 27 | 27 | 26 | 26 | 25 | 25 | 25 | 26 | 27 | 26 | 26 | 25 | 25 | 25 | 25 | 25 |
27 | 27 | 26 | 28 | 27 | 28 | 27 | 29 | 29 | 28 | 29 | 27 | 28 | 28 | 29 | 29 | 29 | 28 | 28 | 28 | 29 | 29 | 29 | 29 | |
Swell 1 Height (m) Direction Period (s) | SW 16 | SW 16 | SSW 16 | NW 12 | NW 12 | SW 16 | SW 14 | SW 15 | SW 15 | SW 14 | SW 14 | SW 14 | SSW 17 | SSW 17 | SSW 16 | SSW 16 | SSW 15 | SSW 16 | SSW 15 | SSW 15 | SSW 15 | SSW 14 | SSW 14 | SSW 14 |
 kJ | 65 | 64 | 99 | 23 | 23 | 64 | 49 | 77 | 77 | 54 | 54 | 53 | 99 | 96 | 144 | 137 | 135 | 137 | 196 | 191 | 188 | 183 | 183 | 180 |
Swell 2 Height (m) Direction Period (s) | NW 13 | NW 13 | NW 12 | SW 16 | SW 16 | NW 12 | NW 12 | SSW 19 | S 12 | SSW 16 | SSW 17 | SSW 17 | SW 14 | SW 14 | SW 14 | SW 14 | SW 14 | SW 14 | SW 21 | SW 21 | S 10 | SSW 18 | SSW 18 | SSW 17 |
| kJ | 44 | 59 | 54 | 64 | 64 | 22 | 22 | 69 | 25 | 91 | 92 | 96 | 53 | 53 | 53 | 53 | 52 | 54 | 117 | 72 | 18 | 61 | 63 | 101 |
Swell 3 Height (m) Direction Period (s) | S 11 | S 11 | S 11 | SSW 18 | SSW 18 | SSW 18 | SSW 18 | NW 12 | NW 11 | S 12 | SSE 5 | S 5 | S 5 | S 6 | S 6 | S 11 | SSE 11 | S 6 | S 10 | S 6 | SSW 18 | S 6 | S 6 | SW 19 |
| kJ | 9 | 9 | 9 | 65 | 62 | 62 | 65 | 21 | 19 | 25 | 5 | 5 | 9 | 6 | 6 | 37 | 38 | 7 | 35 | 6 | 62 | 6 | 6 | 59 |
Wind waves Height (m) Direction Period (s) | — | NW 3 | SSW 4 | — | S 4 | — | — | — | — | NW 2 | NW 3 | NW 3 | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | 2 | 3 | — | 1 | — | — | — | — | 2 | 2 | 2 | — | — | — | — | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 99 | 94 | 94 | 0 | 1 | 0 | 6 | 1 | 123 | 123 | 13 | 94 | 6 | 1 | 0 | 0 | 99 | 99 | 52 | 52 | 94 | 2 | 6 | 0 |
Best forecast wave conditions in Big Island | ||||||||||||||||||||||||
Best forecast wave conditions in United States | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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