Surf Forecasts:
How big are the waves at Kohala Lighthouse today (20 Sep):
- Morning surf: Morning surf (20 Sep, local time) - 6.5ft (2.0m), 8s period with ENE swell.
- Afternoon surf: Afternoon surf (20 Sep, local time) - 7ft (2.1m), 8s period with ENE swell.
- Evening surf: Evening surf (20 Sep, local time) - 6ft (1.9m), 9s period with ENE swell.
The current surf forecast for Kohala Lighthouse at 5PM is: 2.0m 8s primary swell from a East-northeast direction and 0.1m 11s secondary swell from a North direction (forecast issued at 01:00pm September 20). An open ocean swell of 0.2m 15s is not directed at the surf break. The wind direction is predicted to be cross-shore.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (20 Sep) | 6.5ft (2.0m) | 8s |
| Afternoon (20 Sep) | 7ft (2.1m) | 8s |
| Evening (20 Sep) | 6ft (1.9m) | 9s |
Table - waves today at Kohala Lighthouse. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Warm (max 26°C on Sun afternoon, min 25°C on Sun afternoon). Mainly strong winds. | |||||||||||||||||||||
Sun 20 | Monday 21 | Tuesday 22 | |||||||||||||||||||
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) | ENE 8 | ENE 8 | ENE 8 | ENE 9 | ENE 9 | ENE 9 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 9 | E 9 | E 10 |
Wave Graph  | |||||||||||||||||||||
 kJ | 547 | 603 | 562 | 506 | 506 | 455 | 445 | 445 | 510 | 460 | 450 | 434 | 424 | 424 | 424 | 424 | 483 | 737 | 808 | 866 | 922 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | cross | cross | cross | cross | cross | cross | cross | cross-on | cross-on | cross-on | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross |
High Tide | 12:03PM0.72m | 00:06AM0.36m | 12:37PM0.75m | 00:40AM0.42m | 1:05PM0.78m | ||||||||||||||||
Low Tide | 7:48PM0.28m | 5:04AM0.23m | 7:46PM0.25m | 5:59AM0.20m | 7:54PM0.22m | ||||||||||||||||
 | |  |  | | | | | | | | | | |  | | | | | | | |
 | — | — | — | — | — | — | 6:11 | — | — | — | — | — | — | — | 6:11 | — | — | — | — | — | — |
 | — | — | 6:21 | — | — | — | — | — | — | — | 6:20 | — | — | — | — | — | — | — | 6:19 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 26 | 26 | 25 | 25 | 25 | 25 | 25 | 26 | 26 | 26 | 26 | 25 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 |
Feels °C | 23 | 23 | 22 | 22 | 22 | 22 | 23 | 24 | 24 | 25 | 25 | 23 | 25 | 25 | 25 | 25 | 24 | 25 | 25 | 24 | 25 |
Swell 1 Height (m) Direction Period (s) | SSW 15 | SSW 15 | SSW 15 | SSW 15 | SSW 14 | SSW 14 | SSW 14 | SW 14 | SW 14 | SW 14 | SW 14 | SW 14 | W 11 | N 15 | N 14 | NNW 13 | N 13 | N 12 | N 12 | N 12 | N 11 |
| kJ | 21 | 21 | 21 | 21 | 21 | 21 | 20 | 8 | 8 | 8 | 7 | 7 | 10 | 17 | 36 | 59 | 87 | 110 | 104 | 101 | 91 |
Swell 2 Height (m) Direction Period (s) | N 12 | N 11 | N 11 | N 11 | N 11 | N 11 | N 11 | NW 10 | NW 10 | NW 10 | NW 10 | W 11 | NW 10 | W 11 | W 11 | N 9 | W 13 | W 13 | W 12 | W 12 | W 12 |
| kJ | 3 | 2 | 2 | 2 | 2 | 2 | 2 | 4 | 4 | 4 | 4 | 10 | 4 | 10 | 10 | 2 | 13 | 13 | 12 | 11 | 11 |
Swell 3 Height (m) Direction Period (s) | W 8 | W 13 | W 13 | W 13 | W 13 | W 12 | W 12 | W 12 | W 12 | W 12 | W 11 | NW 10 | SW 14 | NW 9 | SW 14 | SW 13 | SW 13 | SW 13 | SW 13 | SW 17 | SW 17 |
| kJ | 1 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 2 | 4 | 7 | 3 | 7 | 7 | 7 | 7 | 7 | 11 | 11 |
Wind waves Height (m) Direction Period (s) | ENE 8 | ENE 8 | ENE 8 | ENE 9 | ENE 9 | ENE 9 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 9 | E 9 | E 10 |
| kJ | 547 | 603 | 562 | 506 | 506 | 455 | 445 | 445 | 510 | 460 | 450 | 434 | 424 | 424 | 424 | 424 | 483 | 737 | 808 | 866 | 922 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 73 | 73 | 57 | 54 | 69 | 69 | 69 | 57 | 71 | 73 | 69 | 57 | 57 | 57 | 57 | 69 | 73 | 81 | 76 | 73 | 73 |
Best forecast wave conditions in Big Island | |||||||||||||||||||||
Best forecast wave conditions in United States | |||||||||||||||||||||
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