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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 Sunday 31 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 (31 May):
- Morning surf: Morning surf (31 May, local time) - 3ft (0.9m), 15s period with SSW swell.
- Afternoon surf: Afternoon surf (31 May, local time) - 2.5ft (0.8m), 14s period with SSW swell.
- Evening surf: Evening surf (31 May, local time) - 3ft (0.9m), 14s period with SSW swell.
The current surf forecast for Kahalu'u Beach Park at 5PM is: 0.8m 14s primary swell from a South-southwest direction and 0.4m 20s secondary swell from a South-southwest direction (forecast issued at 01:00pm May 31). The wind direction is predicted to be cross-onshore.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (31 May) | 3ft (0.9m) | 15s |
| Afternoon (31 May) | 2.5ft (0.8m) | 14s |
| Evening (31 May) | 3ft (0.9m) | 14s |
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 5mm), mostly falling on Mon afternoon. Warm (max 27°C on Tue morning, min 24°C on Sun night). Wind will be generally light. | ||||||||||||||||||||||||
Sun 31 | Monday 1 | Tuesday 2 | Wed 3 | |||||||||||||||||||||
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 |    |    |    |    | ||||||||||||||||||||
SSW 15 | SSW 15 | SSW 14 | SSW 14 | S 19 | S 19 | S 19 | SSW 18 | S 18 | S 18 | S 18 | S 17 | SSW 16 | S 20 | S 19 | SSW 16 | S 19 | SSW 19 | S 18 | SSW 18 | SSW 15 | SSW 17 | SSW 17 | SSW 16 | |
360 | 284 | 280 | 346 | 369 | 365 | 343 | 528 | 639 | 759 | 625 | 582 | 568 | 775 | 767 | 768 | 767 | 1670 | 794 | 940 | 684 | 1431 | 1382 | 1240 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-on | on | cross-on | cross | cross | glassy | glassy | cross-on | on | on | cross-on | cross-on | on | cross-on | cross-on | glassy | cross-on | on | on | cross-on | glassy | glassy | glassy | glassy | |
High Tide | 4:20PM0.82m | 3:58AM0.31m | 4:56PM0.81m | 4:34AM0.30m | 5:33PM0.79m | 5:15AM0.29m | ||||||||||||||||||
Low Tide | 8:51AM0.06m | 11:36PM0.18m | 9:24AM0.06m | 00:17AM0.18m | 9:57AM0.07m | 00:59AM0.18m | ||||||||||||||||||
 |  | |  | | | | | | |  |  |  | | | | | |  | | | | | | |
 | — | — | — | — | — | — | 5:43 | — | — | — | — | — | — | — | 5:43 | — | — | — | — | — | — | — | 5:43 | — |
 | — | — | 6:58 | — | — | — | — | — | — | — | 6:58 | — | — | — | — | — | — | — | 6:59 | — | — | — | — | 6:59 |
— | — | — | — | — | — | — | — | — | — | 1 | — | 1 | — | — | — | — | 1 | 1 | 1 | — | — | — | — | |
Temp °C | 26 | 26 | 26 | 26 | 25 | 25 | 24 | 25 | 26 | 26 | 26 | 26 | 25 | 25 | 25 | 25 | 27 | 27 | 26 | 26 | 25 | 25 | 25 | 25 |
28 | 28 | 28 | 28 | 27 | 28 | 27 | 28 | 28 | 28 | 28 | 29 | 28 | 28 | 29 | 28 | 30 | 29 | 28 | 29 | 28 | 29 | 29 | 28 | |
Swell 1 Height (m) Direction Period (s) | SSW 15 | SSW 15 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 18 | S 18 | S 18 | S 18 | S 17 | SSW 16 | S 20 | SSW 16 | SSW 16 | SSW 16 | SSW 19 | SSW 15 | SSW 18 | SSW 15 | SSW 17 | SSW 17 | SSW 16 |
 kJ | 360 | 284 | 280 | 346 | 346 | 276 | 273 | 528 | 639 | 759 | 625 | 582 | 568 | 775 | 653 | 768 | 644 | 1670 | 581 | 940 | 684 | 1431 | 1382 | 1240 |
Swell 2 Height (m) Direction Period (s) | S 11 | SSW 21 | SSW 20 | S 20 | S 19 | S 19 | S 19 | SSW 14 | SSW 14 | SSW 13 | SSW 13 | S 21 | S 21 | SSW 14 | S 19 | S 19 | S 19 | — | S 18 | S 15 | S 18 | — | NNW 11 | NNW 11 |
| kJ | 20 | 86 | 131 | 276 | 369 | 365 | 343 | 207 | 189 | 135 | 135 | 445 | 428 | 195 | 767 | 767 | 767 | — | 794 | 435 | 639 | — | 12 | 11 |
Swell 3 Height (m) Direction Period (s) | S 21 | S 11 | S 11 | NW 9 | NW 9 | S 10 | S 10 | S 10 | — | S 22 | S 21 | SSW 13 | SSW 13 | SSW 16 | — | — | — | — | — | — | — | — | — | — |
| kJ | 36 | 20 | 20 | 3 | 3 | 8 | 8 | 8 | — | 84 | 233 | 135 | 135 | 266 | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 75 | 75 | 11 | 1 | 1 | 0 | 0 | 6 | 75 | 99 | 99 | 94 | 1 | 94 | 2 | 0 | 94 | 138 | 49 | 94 | 0 | 0 | 0 | 0 |
Best forecast wave conditions in Big Island | ||||||||||||||||||||||||
Best forecast wave conditions in United States | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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