Surf Forecasts:
How big are the waves at James Kealoha Beach Park today (18 Aug):
- Morning surf: Morning surf (18 Aug, local time) - 4.5ft (1.3m), 8s period with ENE swell.
- Afternoon surf: Afternoon surf (18 Aug, local time) - 4ft (1.2m), 8s period with ENE swell.
- Evening surf: Evening surf (18 Aug, local time) - 3.5ft (1.1m), 8s period with E swell.
The current surf forecast for James Kealoha Beach Park at 6PM is: 1.2m 8s primary swell from a East-northeast direction and 0.3m 10s secondary swell from a Southeast direction (forecast issued at 01:00pm August 18). The wind direction is predicted to be cross-onshore.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (18 Aug) | 4.5ft (1.3m) | 8s |
| Afternoon (18 Aug) | 4ft (1.2m) | 8s |
| Evening (18 Aug) | 3.5ft (1.1m) | 8s |
Table - waves today at James Kealoha Beach Park. (Swell directed towards the surf break)
Short Range ForecastModerate rain (total 10mm), heaviest on Tue night. Warm (max 26°C on Tue afternoon, min 25°C on Tue night). Wind will be generally light. | |||||||||||||||||||||
Tue 18 | Wednesday 19 | Thursday 20 | |||||||||||||||||||
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) | E 8 | ENE 8 | ENE 8 | E 8 | E 8 | E 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | E 8 | E 8 | ENE 7 | ENE 7 | ENE 7 | E 7 | E 7 | NE 7 | NNE 7 | NNE 7 |
Wave Graph  | |||||||||||||||||||||
 kJ | 135 | 171 | 202 | 161 | 163 | 161 | 197 | 192 | 192 | 187 | 183 | 172 | 115 | 134 | 134 | 89 | 68 | 52 | 52 | 61 | 59 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross-on | cross-on | on | on | cross-on | glassy | glassy | cross-on | cross-on | cross-on | on | on | on | glassy | glassy | cross-on | cross-on | cross-on | glassy | glassy |
High Tide | 5:52PM0.50m | 9:03AM0.61m | 5:11PM0.43m | 10:44AM0.63m | |||||||||||||||||
Low Tide | 1:21PM0.39m | 1:03AM0.10m | 4:14PM0.43m | 1:53AM0.12m | |||||||||||||||||
 | |  |  |  | | |  | | |  |  | | | | | | | |  | | |
 | — | — | — | — | — | — | 6:01 | — | — | — | — | — | — | — | 6:01 | — | — | — | — | — | — |
 | — | — | 6:45 | — | — | — | — | — | — | — | 6:45 | — | — | — | — | — | — | — | 6:45 | — | — |
mm | — | — | — | — | 1 | 1 | 1 | 1 | 1 | — | 1 | 1 | 1 | 1 | 1 | — | — | — | — | — | — |
Temp °C | 26 | 26 | 26 | 26 | 25 | 25 | 25 | 25 | 26 | 26 | 26 | 26 | 25 | 25 | 25 | 26 | 26 | 25 | 26 | 26 | 26 |
Feels °C | 28 | 28 | 28 | 29 | 28 | 28 | 29 | 29 | 29 | 29 | 28 | 29 | 28 | 29 | 29 | 31 | 30 | 28 | 30 | 31 | 30 |
Swell 1 Height (m) Direction Period (s) | E 8 | ENE 8 | ENE 8 | E 8 | E 8 | E 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | E 8 | E 8 | ENE 7 | ENE 7 | ENE 7 | E 7 | E 7 | NE 7 | NNE 7 | NNE 7 |
| kJ | 135 | 171 | 202 | 161 | 163 | 161 | 197 | 192 | 192 | 187 | 183 | 172 | 115 | 134 | 134 | 89 | 68 | 52 | 49 | 61 | 59 |
Swell 2 Height (m) Direction Period (s) | NE 7 | SE 10 | SE 10 | NNE 6 | NE 7 | NE 6 | SE 10 | SE 9 | SE 9 | NNE 6 | NNE 6 | S 13 | SE 9 | SE 9 | SE 9 | NNE 6 | NNE 6 | NNE 6 | E 7 | E 7 | E 7 |
| kJ | 43 | 15 | 15 | 22 | 53 | 25 | 14 | 13 | 13 | 8 | 8 | 3 | 13 | 13 | 13 | 30 | 30 | 37 | 52 | 36 | 36 |
Swell 3 Height (m) Direction Period (s) | SE 10 | NNE 8 | NNE 8 | SE 10 | SE 10 | SE 10 | N 7 | N 7 | N 7 | SE 9 | SE 9 | S 12 | S 10 | S 16 | S 16 | SE 9 | SE 9 | SE 9 | SE 9 | SE 8 | SE 9 |
| kJ | 16 | 6 | 6 | 15 | 15 | 15 | 1 | 4 | 8 | 14 | 13 | 45 | 2 | 5 | 5 | 13 | 21 | 13 | 20 | 18 | 12 |
Wind waves Height (m) Direction Period (s) | — | — | — | NE 7 | NE 6 | — | — | — | — | — | — | N 6 | NNE 6 | NNE 6 | — | — | — | — | — | — | — |
| kJ | — | — | — | 53 | 31 | — | — | — | — | — | — | 20 | 21 | 26 | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 177 | 2 | 2 | 89 | 56 | 56 | 0 | 0 | 2 | 2 | 113 | 89 | 89 | 91 | 0 | 0 | 92 | 92 | 19 | 0 | 0 |
Best forecast wave conditions in Big Island | |||||||||||||||||||||
Best forecast wave conditions in United States | |||||||||||||||||||||
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