Surf Forecasts:
How big are the waves at James Kealoha Beach Park today (20 Aug):
- Afternoon surf: Afternoon surf (20 Aug, local time) - 3ft (0.9m), 7s period with NNE swell.
- Evening surf: Evening surf (20 Aug, local time) - 3ft (0.9m), 7s period with NE swell.
The current surf forecast for James Kealoha Beach Park at 11PM is: 0.9m 7s primary swell from a Northeast direction and 0.5m 8s secondary swell from a East direction (forecast issued at 07:00pm August 20). The wind direction is predicted to be offshore.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (20 Aug) | - | - |
| Afternoon (20 Aug) | 3ft (0.9m) | 7s |
| Evening (20 Aug) | 3ft (0.9m) | 7s |
Table - waves today at James Kealoha Beach Park. (Swell directed towards the surf break)
Short Range ForecastHeavy rain (total 29mm), heaviest during Sun afternoon. Warm (max 28°C on Fri afternoon, min 25°C on Sat night). Wind will be generally light. | |||||||||||||||||||
Thu 20 | Friday 21 | Saturday 22 | |||||||||||||||||
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) | NNE 7 | NNE 7 | NE 7 | NE 7 | NE 7 | NE 6 | NE 7 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | ESE 9 | E 9 | E 9 | E 9 |
Wave Graph  | |||||||||||||||||||
 kJ | 83 | 59 | 65 | 44 | 45 | 61 | 64 | 115 | 109 | 119 | 137 | 163 | 223 | 250 | 300 | 349 | 493 | 492 | 548 |
Wind (km/h) | |||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | off | off | off | off | off | cross-off | cross-off | cross-off | cross | glassy | cross | cross | cross | cross | cross | cross-on | cross-on | cross |
High Tide | 11:57AM0.68m | 9:40PM0.31m | 12:45PM0.72m | ||||||||||||||||
Low Tide | 3:11AM0.13m | 8:36PM0.31m | 4:38AM0.12m | 8:07PM0.28m | |||||||||||||||
 |  |  | | |  | | | |  | | |  | |  | |  |  | | |
 | — | — | — | — | 6:01 | — | — | — | — | — | — | — | 6:01 | — | — | — | — | — | — |
 | 6:45 | — | — | — | — | — | — | — | 6:44 | — | — | — | — | — | — | — | 6:43 | — | — |
mm | — | 1 | — | — | — | — | — | — | — | — | — | — | — | — | 1 | 1 | 2 | 4 | 3 |
Temp °C | 26 | 26 | 26 | 26 | 26 | 27 | 27 | 27 | 28 | 27 | 27 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 |
Feels °C | 30 | 30 | 29 | 29 | 29 | 30 | 28 | 28 | 30 | 30 | 31 | 29 | 29 | 29 | 28 | 28 | 28 | 28 | 30 |
Swell 1 Height (m) Direction Period (s) | NNE 7 | NNE 7 | NE 7 | NE 7 | NE 7 | NE 6 | NE 7 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | ESE 9 | E 9 | E 9 | E 9 |
| kJ | 83 | 59 | 65 | 44 | 44 | 61 | 55 | 115 | 109 | 119 | 137 | 163 | 223 | 250 | 300 | 349 | 493 | 492 | 548 |
Swell 2 Height (m) Direction Period (s) | E 7 | E 7 | E 8 | E 8 | E 8 | ESE 8 | SE 9 | NE 7 | NE 6 | NE 6 | NE 7 | NE 7 | NE 6 | NE 7 | NE 7 | NE 6 | S 15 | S 14 | S 14 |
| kJ | 35 | 37 | 31 | 31 | 45 | 23 | 19 | 33 | 26 | 34 | 46 | 63 | 51 | 73 | 73 | 47 | 4 | 16 | 16 |
Swell 3 Height (m) Direction Period (s) | SE 9 | SE 8 | SE 9 | SE 9 | SE 9 | SE 9 | S 16 | N 7 | NNE 7 | NNE 7 | NNE 6 | NNE 7 | S 15 | SSE 15 | S 15 | S 15 | S 12 | S 18 | S 18 |
| kJ | 20 | 18 | 21 | 28 | 27 | 27 | 5 | 24 | 16 | 15 | 14 | 9 | 17 | 21 | 17 | 17 | 3 | 6 | 6 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | E 8 | — | — | — | — | NE 7 | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | 64 | — | — | — | — | 97 | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 2 | 0 | 0 | 0 | 0 | 0 | 92 | 92 | 0 | 6 | 0 | 2 | 2 | 2 | 2 | 89 | 89 | 89 | 5 |
Best forecast wave conditions in Big Island | |||||||||||||||||||
Best forecast wave conditions in United States | |||||||||||||||||||
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