Surf Forecasts:
How big are the waves at James Kealoha Beach Park today (21 Aug):
- Morning surf: Morning surf (21 Aug, local time) - 3ft (0.9m), 7s period with NE swell.
- Afternoon surf: Afternoon surf (21 Aug, local time) - 3ft (0.9m), 8s period with ESE swell.
- Evening surf: Evening surf (21 Aug, local time) - 3.5ft (1.0m), 8s period with ESE swell.
The current surf forecast for James Kealoha Beach Park at 1PM is: 0.9m 8s primary swell from a East-southeast direction and 0.6m 7s secondary swell from a Northeast direction (forecast issued at 07:00am August 21). An open ocean swell of 0.8m 6s is not directed at the surf break. The wind direction is predicted to be cross-offshore.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (21 Aug) | 3ft (0.9m) | 7s |
| Afternoon (21 Aug) | 3ft (0.9m) | 8s |
| Evening (21 Aug) | 3.5ft (1.0m) | 8s |
Table - waves today at James Kealoha Beach Park. (Swell directed towards the surf break)
Short Range ForecastHeavy rain (total 41mm), heaviest during Sat night. Warm (max 28°C on Fri afternoon, min 25°C on Sat night). Wind will be generally light. | |||||||||||||||||||||||
Friday 21 | Saturday 22 | Sunday 23 | |||||||||||||||||||||
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) | NE 7 | NE 7 | NE 7 | ESE 8 | E 8 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | E 9 | E 9 | E 9 | ESE 9 | ESE 10 | ESE 9 | E 9 | E 9 | E 9 | E 8 | E 8 | E 8 |
Wave Graph | |||||||||||||||||||||||
45 | 73 | 55 | 115 | 131 | 137 | 163 | 163 | 223 | 277 | 341 | 481 | 516 | 665 | 605 | 618 | 579 | 642 | 562 | 482 | 460 | 367 | 347 | |
Wind (km/h) | |||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | off | off | cross-off | cross-off | cross | cross | glassy | glassy | glassy | cross | cross | cross | cross-on | cross | cross | cross | cross-off | glassy | cross | cross-off | cross-off | cross-off | cross-off |
High Tide | 11:57AM0.68m | 9:40PM0.31m | 12:45PM0.72m | 11:41PM0.34m | 1:21PM0.77m | ||||||||||||||||||
Low Tide | 3:11AM0.13m | 8:36PM0.31m | 4:38AM0.12m | 8:07PM0.28m | 5:43AM0.08m | 8:15PM0.25m | |||||||||||||||||
6:01 | — | — | — | — | — | — | — | 6:01 | — | — | — | — | — | — | — | 6:01 | — | — | — | — | — | — | |
— | — | — | — | 6:44 | — | — | — | — | — | — | — | 6:43 | — | — | — | — | — | — | — | 6:42 | — | — | |
mm | 1 | — | — | — | — | — | — | — | — | 1 | 1 | 1 | 2 | 4 | 5 | 2 | 3 | — | — | 2 | 4 | 5 | 4 |
Temp °C | 26 | 27 | 27 | 27 | 28 | 28 | 27 | 27 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 25 | 25 | 26 | 26 | 26 | 26 | 26 |
Feels °C | 29 | 31 | 28 | 28 | 30 | 31 | 31 | 31 | 29 | 29 | 28 | 28 | 28 | 29 | 29 | 29 | 27 | 28 | 29 | 28 | 28 | 29 | 29 |
Swell 1 Height (m) Direction Period (s) | NE 7 | NE 7 | NE 7 | ESE 8 | E 8 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | E 9 | E 9 | E 9 | ESE 9 | ESE 10 | ESE 9 | E 9 | E 9 | E 9 | E 8 | E 8 | E 8 |
44 | 73 | 55 | 115 | 131 | 137 | 163 | 163 | 223 | 277 | 341 | 481 | 516 | 665 | 605 | 618 | 579 | 642 | 562 | 482 | 460 | 367 | 347 | |
Swell 2 Height (m) Direction Period (s) | E 8 | ESE 8 | E 6 | NE 7 | NE 7 | NE 7 | NE 7 | NE 6 | NE 7 | NE 7 | NE 6 | S 15 | S 15 | S 14 | NE 7 | NE 7 | NE 7 | S 14 | SSE 13 | SSE 13 | SSE 13 | NNE 6 | SSE 13 |
45 | 23 | 26 | 29 | 46 | 46 | 54 | 61 | 54 | 73 | 68 | 4 | 4 | 16 | 67 | 65 | 65 | 14 | 17 | 17 | 17 | 21 | 17 | |
Swell 3 Height (m) Direction Period (s) | SE 9 | SE 9 | SE 9 | NNE 7 | S 13 | NNE 7 | NNE 7 | NNE 7 | S 15 | S 15 | S 15 | S 12 | S 12 | S 18 | S 14 | S 14 | S 14 | SSW 16 | SSW 16 | SSW 16 | S 13 | SSE 13 | S 10 |
27 | 27 | 26 | 27 | 3 | 15 | 15 | 9 | 17 | 17 | 17 | 3 | 3 | 6 | 16 | 15 | 15 | 50 | 50 | 50 | 89 | 17 | 2 | |
Wind waves Height (m) Direction Period (s) | — | E 6 | — | — | — | — | — | NE 7 | NE 6 | — | — | — | — | NNE 7 | — | — | — | — | — | — | — | — | — |
— | 31 | — | — | — | — | — | 97 | 79 | — | — | — | — | 78 | — | — | — | — | — | — | — | — | — | |
Nearest Offshore or Glassy | |||||||||||||||||||||||
Distance (km) | 0 | 0 | 0 | 92 | 89 | 2 | 0 | 0 | 0 | 2 | 2 | 89 | 89 | 2 | 2 | 2 | 0 | 0 | 5 | 0 | 0 | 0 | 0 |
Best forecast wave conditions in Big Island | |||||||||||||||||||||||
Best forecast wave conditions in United States | |||||||||||||||||||||||
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