Surf Forecasts:
How big are the waves at Kahalu'u Beach Park today (09 Aug):
- Morning surf: Morning surf (09 Aug, local time) - 1.5ft (0.4m), 18s period with SSW swell.
- Afternoon surf: Afternoon surf (09 Aug, local time) - 1.5ft (0.5m), 17s period with S swell.
- Evening surf: Evening surf (09 Aug, local time) - 2ft (0.6m), 16s period with SSW swell.
The current surf forecast for Kahalu'u Beach Park at 11AM is: 0.4m 18s primary swell from a South-southwest direction and 0.5m 13s secondary swell from a South-southwest direction (forecast issued at 07:00am August 09). The wind direction is predicted to be onshore.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (09 Aug) | 1.5ft (0.4m) | 18s |
| Afternoon (09 Aug) | 1.5ft (0.5m) | 17s |
| Evening (09 Aug) | 2ft (0.6m) | 16s |
Table - waves today at Kahalu'u Beach Park. (Swell directed towards the surf break)
Short Range ForecastModerate rain (total 12mm), heaviest on Mon afternoon. Warm (max 28°C on Sun morning, min 25°C on Tue night). Wind will be generally light. | |||||||||||||||||||||||
Sunday 9 | Monday 10 | Tuesday 11 | |||||||||||||||||||||
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 |  |  |  |  |  |  |  |  |  | ||||||||||||||
Wave Height (m) Direction Period (s) | SSW 18 | SSW 18 | SSW 18 | S 17 | S 16 | SSW 16 | SSW 16 | S 16 | S 16 | S 15 | SSW 15 | SSW 15 | SSW 15 | SSW 16 | SSW 16 | SSW 15 | SSW 15 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 14 |
Wave Graph  | |||||||||||||||||||||||
 kJ | 102 | 103 | 102 | 151 | 135 | 198 | 198 | 186 | 181 | 168 | 314 | 322 | 240 | 191 | 188 | 231 | 169 | 280 | 276 | 269 | 265 | 258 | 308 |
Wind (km/h) | |||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | glassy | glassy | on | cross-on | glassy | cross | glassy | cross-on | cross-on | glassy | cross-on | cross-on | on | glassy | glassy | glassy | glassy | glassy | cross-on | cross-on | cross | cross-off | cross |
High Tide | 1:55PM0.86m | 1:49AM0.32m | 2:40PM0.90m | 2:41AM0.37m | 3:21PM0.90m | ||||||||||||||||||
Low Tide | 6:11AM0.06m | 9:17PM0.15m | 7:14AM0.03m | 9:48PM0.11m | 8:09AM0.02m | 10:17PM0.09m | |||||||||||||||||
 |  | |  | | |  | | | | | |  | |  | | | | | | | | | |
 | 6:01 | — | — | — | — | — | — | — | 6:01 | — | — | — | — | — | — | — | 6:03 | — | — | — | — | — | — |
 | — | — | — | — | 6:55 | — | — | — | — | — | — | — | 6:54 | — | — | — | — | — | — | — | 6:53 | — | — |
mm | — | — | — | 1 | 1 | — | 1 | 1 | — | — | — | — | 2 | 2 | — | 1 | — | — | — | — | 1 | — | — |
Temp °C | 26 | 27 | 28 | 27 | 27 | 27 | 27 | 26 | 26 | 27 | 28 | 28 | 27 | 27 | 27 | 26 | 26 | 27 | 28 | 27 | 27 | 26 | 26 |
Feels °C | 30 | 31 | 31 | 30 | 32 | 31 | 32 | 29 | 29 | 31 | 31 | 32 | 31 | 31 | 32 | 30 | 30 | 31 | 30 | 30 | 30 | 29 | 29 |
Swell 1 Height (m) Direction Period (s) | SSW 13 | SSW 13 | SSW 13 | SSW 12 | S 16 | SSW 16 | SSW 16 | S 16 | S 16 | S 15 | SSW 15 | SSW 15 | SSW 15 | SSW 16 | SSW 16 | SSW 15 | SSW 15 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 14 |
| kJ | 98 | 98 | 96 | 87 | 135 | 198 | 198 | 186 | 181 | 168 | 314 | 322 | 240 | 191 | 188 | 231 | 169 | 280 | 276 | 269 | 265 | 258 | 308 |
Swell 2 Height (m) Direction Period (s) | SW 17 | SW 16 | SSW 18 | S 17 | SSW 12 | SSW 12 | SSW 12 | SSW 12 | SSW 12 | SSW 12 | WNW 11 | W 11 | SSW 11 | SSW 11 | S 11 | S 11 | S 11 | W 10 | W 10 | W 10 | SSW 20 | S 20 | S 20 |
| kJ | 75 | 69 | 102 | 151 | 85 | 57 | 83 | 82 | 82 | 85 | 39 | 36 | 42 | 70 | 63 | 63 | 65 | 18 | 17 | 18 | 132 | 194 | 276 |
Swell 3 Height (m) Direction Period (s) | SSW 18 | SSW 18 | SW 16 | W 12 | W 12 | W 12 | W 12 | WNW 12 | W 11 | WNW 11 | SW 16 | SSE 9 | WNW 11 | WNW 11 | WNW 10 | WNW 10 | W 10 | S 9 | S 21 | SSW 21 | WNW 12 | WNW 14 | WNW 12 |
| kJ | 102 | 103 | 67 | 26 | 25 | 24 | 23 | 45 | 41 | 40 | 10 | 8 | 38 | 37 | 36 | 35 | 18 | 6 | 79 | 85 | 14 | 21 | 53 |
Wind waves Height (m) Direction Period (s) | — | — | — | NW 2 | — | S 10 | S 10 | — | NW 2 | — | S 9 | SW 3 | SSW 9 | — | — | — | — | — | — | S 9 | W 10 | W 12 | W 14 |
| kJ | — | — | — | 2 | — | 17 | 17 | — | 1 | — | 15 | 2 | 27 | — | — | — | — | — | — | 6 | 17 | 66 | 102 |
Nearest Offshore or Glassy | |||||||||||||||||||||||
Distance (km) | 0 | 0 | 125 | 125 | 0 | 1 | 0 | 6 | 6 | 0 | 125 | 138 | 128 | 0 | 0 | 0 | 0 | 0 | 99 | 138 | 1 | 0 | 1 |
Best forecast wave conditions in Big Island | |||||||||||||||||||||||
Best forecast wave conditions in United States | |||||||||||||||||||||||
Header Global | |||||||||||||||||||||||
- Map Icons:
Break
Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
Latest Updates
FREE! Surf-Forecast.com widget for your website
The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our Kahalu'u Beach Park surf forecast. Simply grab the html code snippet that we provide and paste it into your own site. You can choose your preferred language and metric/imperial units for the surf forecast feed to suit users of your site. Click here to get the code.
Nearest