Surf Forecasts:
How big are the waves at Kohala Lighthouse today (18 Sep):
- Morning surf: Morning surf (18 Sep, local time) - 7ft (2.1m), 8s period with ENE swell.
- Afternoon surf: Afternoon surf (18 Sep, local time) - 8ft (2.4m), 7s period with ENE swell.
- Evening surf: Evening surf (18 Sep, local time) - 7.5ft (2.3m), 7s period with ENE swell.
The current surf forecast for Kohala Lighthouse at 12AM is: 2.1m 8s primary swell from a East-northeast direction (forecast issued at 07:00pm September 17). An open ocean swell of 0.3m 16s is not directed at the surf break, a second open ocean swell of 0.1m 16s is not directed at the surf break. The wind direction is predicted to be cross-shore.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (18 Sep) | 7ft (2.1m) | 8s |
| Afternoon (18 Sep) | 8ft (2.4m) | 7s |
| Evening (18 Sep) | 7.5ft (2.3m) | 7s |
Table - waves today at Kohala Lighthouse. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Warm (max 27°C on Fri morning, min 26°C on Thu night). Mainly strong winds. | |||||||||||||||||||
Thu 17 | Friday 18 | Saturday 19 | |||||||||||||||||
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 8 | ENE 8 | ENE 8 | ENE 8 | ENE 7 | ENE 7 | ENE 7 | E 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 7 | ENE 8 | ENE 8 |
Wave Graph  | |||||||||||||||||||
 kJ | 740 | 669 | 561 | 497 | 533 | 485 | 585 | 558 | 588 | 475 | 573 | 509 | 522 | 522 | 629 | 709 | 527 | 614 | 560 |
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 | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross |
High Tide | 9:51AM0.65m | 11:15AM0.68m | |||||||||||||||||
Low Tide | 11:52PM0.21m | 1:03AM0.25m | 8:26PM0.29m | ||||||||||||||||
 |  | | | | | | |  |  | | | | | | | | | | |
 | — | — | — | — | 6:11 | — | — | — | — | — | — | — | 6:11 | — | — | — | — | — | — |
 | 6:23 | — | — | — | — | — | — | — | 6:22 | — | — | — | — | — | — | — | 6:22 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 27 | 26 | 26 | 26 | 26 | 26 | 27 | 27 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 |
Feels °C | 26 | 24 | 24 | 24 | 23 | 23 | 24 | 25 | 23 | 24 | 24 | 24 | 23 | 23 | 23 | 23 | 24 | 24 | 24 |
Swell 1 Height (m) Direction Period (s) | SW 16 | SW 16 | SW 16 | SW 17 | SW 18 | SW 18 | SW 18 | SW 17 | SW 17 | SW 17 | SW 16 | SW 16 | SW 16 | SW 16 | SW 16 | SW 16 | SW 16 | SW 16 | SW 16 |
| kJ | 40 | 40 | 40 | 46 | 48 | 48 | 48 | 47 | 46 | 45 | 43 | 41 | 40 | 40 | 40 | 39 | 39 | 39 | 39 |
Swell 2 Height (m) Direction Period (s) | SW 19 | SW 20 | W 16 | SW 10 | W 8 | W 9 | W 9 | W 9 | W 9 | W 9 | W 9 | W 9 | W 9 | W 9 | W 9 | W 9 | W 9 | W 9 | W 9 |
| kJ | 15 | 15 | 5 | 4 | 1 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 1 | 1 |
Swell 3 Height (m) Direction Period (s) | W 10 | W 10 | W 10 | — | S 10 | — | — | — | N 11 | N 11 | N 10 | W 16 | W 16 | N 10 | — | — | — | — | N 13 |
| kJ | 2 | 2 | 2 | — | 2 | — | — | — | 3 | 2 | 2 | 5 | 5 | 2 | — | — | — | — | 3 |
Wind waves Height (m) Direction Period (s) | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 7 | ENE 7 | ENE 7 | E 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 7 | ENE 8 | ENE 8 |
| kJ | 740 | 669 | 561 | 497 | 533 | 485 | 585 | 558 | 588 | 475 | 573 | 509 | 522 | 522 | 629 | 709 | 527 | 614 | 560 |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 25 | 25 | 25 | 25 | 28 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 57 | 28 | 73 | 25 | 25 | 57 | 57 |
Best forecast wave conditions in Big Island | |||||||||||||||||||
Best forecast wave conditions in United States | |||||||||||||||||||
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