Surf Forecasts:
How big are the waves at Kahalu'u Beach Park today (11 Aug):
- Morning surf: Morning surf (11 Aug, local time) - 2.5ft (0.8m), 14s period with SSW swell.
- Afternoon surf: Afternoon surf (11 Aug, local time) - 2.5ft (0.8m), 14s period with SSW swell.
- Evening surf: Evening surf (11 Aug, local time) - 3ft (0.9m), 14s period with SSW swell.
The current surf forecast for Kahalu'u Beach Park at 11AM is: 0.8m 14s primary swell from a South-southwest direction and 0.3m 21s secondary swell from a South direction, 0.4m 10s secondary swell from a West direction (forecast issued at 07:00am August 11). The wind direction is predicted to be onshore.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (11 Aug) | 2.5ft (0.8m) | 14s |
| Afternoon (11 Aug) | 2.5ft (0.8m) | 14s |
| Evening (11 Aug) | 3ft (0.9m) | 14s |
Table - waves today at Kahalu'u Beach Park. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Warm (max 28°C on Wed morning, min 25°C on Wed night). Wind will be generally light. | |||||||||||||||||||||||
Tuesday 11 | Wednesday 12 | Thursday 13 | |||||||||||||||||||||
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 15 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | S 19 | S 18 | S 18 | S 18 | S 18 | S 17 | S 16 | S 16 | SSW 16 | S 16 | S 16 | S 16 | SSW 15 | SSW 15 | SSW 15 | S 15 |
Wave Graph  | |||||||||||||||||||||||
 kJ | 169 | 280 | 273 | 269 | 265 | 258 | 308 | 361 | 413 | 509 | 620 | 498 | 579 | 526 | 628 | 905 | 612 | 612 | 589 | 796 | 666 | 657 | 627 |
Wind (km/h) | |||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross-on | on | on | cross | cross-off | cross-off | glassy | cross-on | glassy | on | on | cross-on | glassy | cross-on | cross-on | glassy | glassy | on | cross-on | glassy | glassy | glassy |
High Tide | 2:41AM0.37m | 3:21PM0.90m | 3:28AM0.42m | 3:58PM0.88m | 4:13AM0.48m | 4:32PM0.83m | |||||||||||||||||
Low Tide | 8:09AM0.02m | 10:17PM0.09m | 9:00AM0.02m | 10:45PM0.08m | 9:48AM0.06m | ||||||||||||||||||
 |  |  | | |  |  | | | | | | | | | | | | | | | | | |
 | 6:03 | — | — | — | — | — | — | — | 6:03 | — | — | — | — | — | — | — | 6:03 | — | — | — | — | — | — |
 | — | — | — | — | 6:53 | — | — | — | — | — | — | — | 6:53 | — | — | — | — | — | — | — | 6:52 | — | — |
mm | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 26 | 26 | 27 | 27 | 27 | 26 | 26 | 26 | 26 | 27 | 28 | 28 | 27 | 27 | 26 | 26 | 25 | 26 | 28 | 28 | 27 | 26 | 26 |
Feels °C | 30 | 29 | 30 | 30 | 31 | 29 | 29 | 30 | 29 | 30 | 30 | 30 | 29 | 30 | 29 | 29 | 29 | 29 | 31 | 31 | 31 | 30 | 30 |
Swell 1 Height (m) Direction Period (s) | SSW 15 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 13 | SSW 13 | S 18 | S 18 | S 18 | S 17 | S 16 | S 16 | SSW 16 | S 16 | S 16 | S 16 | SSW 15 | SSW 15 | SSW 15 | S 15 |
| kJ | 169 | 280 | 273 | 269 | 265 | 258 | 308 | 290 | 225 | 509 | 620 | 498 | 579 | 526 | 628 | 905 | 612 | 612 | 589 | 796 | 666 | 657 | 627 |
Swell 2 Height (m) Direction Period (s) | S 11 | W 10 | S 21 | SSW 21 | SSW 20 | S 20 | S 20 | S 19 | S 18 | SSW 13 | SSW 13 | SSW 13 | SSW 13 | SSW 13 | SSW 13 | WNW 12 | SSW 12 | SSW 12 | SSW 12 | WNW 12 | WNW 12 | WNW 12 | WNW 12 |
| kJ | 65 | 18 | 79 | 86 | 132 | 194 | 276 | 361 | 413 | 222 | 238 | 238 | 238 | 222 | 222 | 48 | 109 | 109 | 111 | 28 | 27 | 27 | 28 |
Swell 3 Height (m) Direction Period (s) | W 10 | WNW 12 | WNW 12 | S 9 | S 9 | WNW 14 | W 12 | W 11 | WNW 13 | WNW 13 | W 11 | WNW 13 | WNW 13 | WNW 12 | WNW 12 | WNW 12 | WNW 12 | WNW 12 | WNW 12 | SE 10 | SW 19 | SW 19 | SW 18 |
| kJ | 18 | 15 | 15 | 6 | 6 | 21 | 42 | 40 | 57 | 57 | 21 | 57 | 56 | 51 | 28 | 56 | 28 | 28 | 28 | 4 | 14 | 14 | 13 |
Wind waves Height (m) Direction Period (s) | — | — | W 10 | W 10 | W 12 | W 12 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | 31 | 31 | 44 | 69 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||||||
Distance (km) | 4 | 125 | 99 | 99 | 13 | 0 | 0 | 0 | 6 | 0 | 11 | 11 | 11 | 0 | 13 | 25 | 0 | 0 | 11 | 11 | 0 | 0 | 0 |
Best forecast wave conditions in Big Island | |||||||||||||||||||||||
Best forecast wave conditions in United States | |||||||||||||||||||||||
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