Surf Forecasts:
How big are the waves at James Kealoha Beach Park today (15 Aug):
- Morning surf: Morning surf (15 Aug, local time) - 16ft (5.0m), 11s period with E swell.
- Afternoon surf: Afternoon surf (15 Aug, local time) - 18ft (5.5m), 11s period with E swell.
- Evening surf: Evening surf (15 Aug, local time) - 15ft (4.5m), 10s period with ESE swell.
The current surf forecast for James Kealoha Beach Park at 2AM is: 5.0m 12s primary swell from a East direction and 4.5m 12s secondary swell from a East direction (forecast issued at 07:00pm August 14). The wind direction is predicted to be cross-onshore.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (15 Aug) | 16ft (5.0m) | 11s |
| Afternoon (15 Aug) | 18ft (5.5m) | 11s |
| Evening (15 Aug) | 15ft (4.5m) | 10s |
Table - waves today at James Kealoha Beach Park. (Swell directed towards the surf break)
Short Range ForecastHeavy rain (total 292mm), heaviest during Sat afternoon. Warm (max 28°C on Sun morning, min 25°C on Fri night). Winds decreasing (severe gales from the E on Sat afternoon, light winds from the ESE by Sun night). | |||||||||||||||||||
Fri 14 | Saturday 15 | Sunday 16 | |||||||||||||||||
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) | E 11 | E 12 | E 12 | E 12 | E 12 | E 11 | E 11 | E 11 | ESE 11 | ESE 10 | E 9 | E 8 | ESE 8 | ESE 8 | E 8 | E 8 | E 8 | E 8 | E 8 |
Wave Graph  | |||||||||||||||||||
 kJ | 2496 | 3503 | 6505 | 7222 | 5459 | 5346 | 5593 | 6336 | 8843 | 4412 | 1684 | 1133 | 998 | 850 | 692 | 609 | 464 | 465 | 367 |
Wind (km/h) | |||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | on | on | cross-on | cross-on | cross-on | cross-on | cross-on | cross | cross-off | cross-off | cross-off | cross-off | off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off |
High Tide | 4:31PM0.84m | 4:50AM0.62m | 4:58PM0.76m | 5:39AM0.62m | 5:21PM0.67m | ||||||||||||||
Low Tide | 10:58PM0.06m | 10:39AM0.09m | 11:27PM0.05m | 11:22AM0.20m | |||||||||||||||
 |  |  | | |  |  | | | | | |  | |  | |  |  | | |
 | — | — | — | — | 6:00 | — | — | — | — | — | — | — | 6:00 | — | — | — | — | — | — |
 | 6:49 | — | — | — | — | — | — | — | 6:47 | — | — | — | — | — | — | — | 6:46 | — | — |
mm | 4 | 8 | 27 | 19 | 15 | 8 | 22 | 31 | 67 | 57 | 21 | 6 | 2 | 1 | — | — | — | — | — |
Temp °C | 26 | 26 | 25 | 25 | 26 | 25 | 25 | 25 | 25 | 25 | 25 | 26 | 26 | 26 | 28 | 27 | 27 | 26 | 26 |
Feels °C | 27 | 26 | 26 | 25 | 25 | 24 | 24 | 19 | 15 | 18 | 23 | 24 | 25 | 25 | 27 | 26 | 28 | 28 | 29 |
Swell 1 Height (m) Direction Period (s) | E 11 | E 12 | E 12 | E 12 | S 13 | S 13 | S 13 | S 13 | — | S 18 | S 18 | S 17 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 |
| kJ | 2496 | 3503 | 4679 | 5387 | 229 | 176 | 130 | 87 | — | 6 | 6 | 6 | 798 | 655 | 587 | 526 | 464 | 355 | 308 |
Swell 2 Height (m) Direction Period (s) | S 14 | S 14 | SW 17 | — | — | S 20 | S 19 | — | — | — | S 18 | N 9 | SE 12 | SE 11 | SE 12 | SE 12 | SE 11 | SE 11 | SE 11 |
| kJ | 4 | 261 | 12 | — | — | 30 | 29 | — | — | — | 99 | 2 | 21 | 20 | 21 | 21 | 18 | 19 | 18 |
Swell 3 Height (m) Direction Period (s) | SW 18 | SW 17 | — | — | — | S 20 | — | — | — | — | N 9 | S 18 | S 16 | S 16 | S 16 | S 16 | S 16 | S 15 | S 15 |
| kJ | 12 | 12 | — | — | — | 30 | — | — | — | — | 2 | 96 | 5 | 5 | 5 | 5 | 5 | 4 | 4 |
Wind waves Height (m) Direction Period (s) | — | — | E 12 | E 12 | E 12 | E 11 | E 11 | E 11 | ESE 11 | ESE 10 | E 9 | E 8 | ESE 8 | ESE 8 | E 8 | E 8 | — | E 8 | E 8 |
| kJ | — | — | 6505 | 7222 | 5459 | 5346 | 5593 | 6336 | 8843 | 4412 | 1684 | 1133 | 998 | 850 | 692 | 609 | — | 465 | 367 |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 106 | 99 | 99 | 99 | 99 | 99 | 99 | 99 | 100 | 539 | 539 | 89 | 57 | 5 | 56 | 100 | 101 | 2 | 0 |
Best forecast wave conditions in Big Island | |||||||||||||||||||
Best forecast wave conditions in United States | |||||||||||||||||||
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