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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 7 am Friday 29 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 slightly warmer than usual)How big are the waves at Kahalu'u Beach Park today (29 May):
- Morning surf: Morning surf (29 May, local time) - 3ft (0.9m), 20s period with SSW swell.
- Afternoon surf: Afternoon surf (29 May, local time) - 3.5ft (1.0m), 19s period with S swell.
- Evening surf: Evening surf (29 May, local time) - 3.5ft (1.0m), 18s period with S swell.
The current surf forecast for Kahalu'u Beach Park at 10AM is: 0.9m 20s primary swell from a South-southwest direction and 0.4m 11s secondary swell from a South direction (forecast issued at 07:00am May 29). The wind direction is predicted to be cross-onshore.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (29 May) | 3ft (0.9m) | 20s |
| Afternoon (29 May) | 3.5ft (1.0m) | 19s |
| Evening (29 May) | 3.5ft (1.0m) | 18s |
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 Sun afternoon, min 24°C on Fri night). Wind will be generally light. | ||||||||||||||||||||||||
Friday 29 | Saturday 30 | Sunday 31 | Mon 1 | |||||||||||||||||||||
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 | 2 AM | |
Swell Height Map |    |    |    |    | ||||||||||||||||||||
S 20 | SSW 20 | S 20 | S 19 | S 19 | S 18 | S 18 | S 18 | S 17 | S 17 | S 17 | SSW 16 | SSW 16 | SSW 16 | SSW 16 | SSW 16 | SSW 15 | SSW 15 | SSW 15 | SSW 15 | SSW 14 | SSW 14 | S 19 | S 19 | |
515 | 640 | 775 | 752 | 721 | 668 | 646 | 632 | 617 | 596 | 562 | 443 | 432 | 421 | 416 | 406 | 390 | 375 | 360 | 284 | 280 | 346 | 369 | 365 | |
Wind (km/h) | ||||||||||||||||||||||||
glassy | cross | cross-on | on | on | on | glassy | glassy | glassy | cross-on | on | on | on | on | glassy | glassy | glassy | glassy | on | cross-on | cross-on | cross | cross | cross-off | |
High Tide | 2:07AM0.37m | 3:11PM0.81m | 2:46AM0.35m | 3:45PM0.82m | 3:23AM0.33m | 4:20PM0.82m | ||||||||||||||||||
Low Tide | 7:49AM0.07m | 10:18PM0.19m | 8:19AM0.06m | 10:57PM0.18m | 8:51AM0.06m | 11:36PM0.18m | ||||||||||||||||||
 |  | | | |  | | | | | | |  | | | | | | | | | | | | |
 | 5:45 | — | — | — | — | — | — | — | 5:43 | — | — | — | — | — | — | — | 5:43 | — | — | — | — | — | — | 5:43 |
 | — | — | — | — | 6:57 | — | — | — | — | — | — | — | 6:58 | — | — | — | — | — | — | — | 6:58 | — | — | 6:58 |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 24 | 25 | 25 | 25 | 25 | 25 | 24 | 24 | 24 | 24 | 25 | 25 | 25 | 25 | 24 | 24 | 24 | 24 | 25 | 26 | 25 | 25 | 25 | 24 |
26 | 27 | 26 | 27 | 27 | 28 | 27 | 27 | 27 | 26 | 26 | 26 | 27 | 28 | 27 | 27 | 27 | 27 | 27 | 28 | 27 | 27 | 27 | 26 | |
Swell 1 Height (m) Direction Period (s) | S 20 | SSW 20 | S 20 | S 19 | S 19 | S 18 | S 18 | S 18 | S 17 | S 17 | S 17 | SSW 16 | SSW 16 | SSW 16 | SSW 16 | SSW 16 | SSW 15 | SSW 15 | SSW 15 | SSW 15 | SSW 14 | SSW 14 | SSW 14 | SSW 14 |
 kJ | 515 | 640 | 775 | 752 | 721 | 668 | 646 | 632 | 617 | 596 | 562 | 443 | 432 | 421 | 416 | 406 | 390 | 375 | 360 | 284 | 280 | 346 | 346 | 276 |
Swell 2 Height (m) Direction Period (s) | S 11 | S 11 | S 11 | S 11 | S 11 | S 11 | S 11 | S 12 | S 12 | S 12 | S 12 | S 12 | SSW 12 | SSW 11 | S 11 | S 11 | S 11 | S 11 | S 11 | SSW 21 | SSW 20 | S 20 | S 19 | S 19 |
| kJ | 61 | 61 | 37 | 39 | 37 | 37 | 61 | 65 | 43 | 43 | 43 | 42 | 45 | 43 | 39 | 21 | 21 | 20 | 20 | 86 | 131 | 276 | 369 | 365 |
Swell 3 Height (m) Direction Period (s) | NW 11 | NW 11 | S 14 | S 14 | S 13 | S 13 | NW 11 | SSW 12 | SW 12 | SSW 16 | SW 16 | SSW 16 | NW 10 | SW 11 | WSW 11 | WSW 11 | SW 12 | S 21 | S 21 | S 11 | S 11 | NW 9 | NNW 9 | NNW 9 |
| kJ | 20 | 19 | 35 | 33 | 31 | 31 | 4 | 14 | 6 | 25 | 41 | 25 | 4 | 5 | 12 | 12 | 5 | 36 | 36 | 20 | 20 | 3 | 8 | 8 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | NW 11 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | 31 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 0 | 99 | 99 | 99 | 99 | 13 | 0 | 0 | 0 | 99 | 99 | 99 | 99 | 94 | 0 | 0 | 0 | 0 | 75 | 76 | 75 | 13 | 1 | 0 |
Best forecast wave conditions in Big Island | ||||||||||||||||||||||||
Best forecast wave conditions in United States | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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