Surf Forecasts:
How big are the waves at Kohala Lighthouse today (18 Sep):
- Morning surf: Morning surf (18 Sep, local time) - 7ft (2.2m), 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) - 6.5ft (2.0m), 8s period with E swell.
The current surf forecast for Kohala Lighthouse at 3PM is: 2.4m 7s primary swell from a East-northeast direction and 0.1m 9s secondary swell from a West direction (forecast issued at 07:00am September 18). An open ocean swell of 0.3m 17s 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 (2.2m) | 8s |
| Afternoon (18 Sep) | 8ft (2.4m) | 7s |
| Evening (18 Sep) | 6.5ft (2.0m) | 8s |
Table - waves today at Kohala Lighthouse. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Warm (max 27°C on Fri morning, min 25°C on Sat night). Mainly strong winds. | |||||||||||||||||||||||
Friday 18 | Saturday 19 | Sunday 20 | |||||||||||||||||||||
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 | 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 | E 8 | ENE 8 | ENE 7 | ENE 7 | E 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 7 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 9 | ENE 9 | ENE 9 | ENE 9 | ENE 9 | ENE 9 | ENE 9 |
Wave Graph  | |||||||||||||||||||||||
 kJ | 484 | 522 | 576 | 605 | 532 | 559 | 497 | 412 | 470 | 522 | 686 | 555 | 669 | 614 | 574 | 534 | 506 | 518 | 560 | 576 | 522 | 455 | 455 |
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 | cross | cross | cross | cross |
High Tide | 9:51AM0.65m | 11:15AM0.68m | 11:03PM0.30m | 12:03PM0.72m | |||||||||||||||||||
Low Tide | 1:03AM0.25m | 8:26PM0.29m | 3:36AM0.26m | 7:48PM0.28m | |||||||||||||||||||
 |  | |  | | |  | | | | | |  |  | | | | | | | | | | |
 | 6:11 | — | — | — | — | — | — | — | 6:11 | — | — | — | — | — | — | — | 6:11 | — | — | — | — | — | — |
 | — | — | — | — | 6:22 | — | — | — | — | — | — | — | 6:22 | — | — | — | — | — | — | — | 6:21 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 26 | 26 | 27 | 27 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 25 | 25 | 26 | 26 | 26 | 25 | 26 | 26 |
Feels °C | 23 | 23 | 24 | 25 | 23 | 24 | 24 | 24 | 23 | 23 | 23 | 23 | 24 | 24 | 24 | 22 | 23 | 24 | 23 | 23 | 22 | 23 | 24 |
Swell 1 Height (m) Direction Period (s) | 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 | SSW 15 | SSW 15 | SSW 15 | SSW 15 | SSW 15 | SSW 15 | SSW 15 | SSW 15 |
| kJ | 48 | 48 | 48 | 47 | 46 | 45 | 43 | 41 | 40 | 40 | 40 | 39 | 39 | 39 | 39 | 23 | 22 | 21 | 21 | 21 | 21 | 21 | 21 |
Swell 2 Height (m) Direction Period (s) | 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 | W 8 | W 8 | N 12 | N 12 | N 11 | N 11 | N 11 | N 11 |
| kJ | 1 | 1 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 1 | 1 | 1 | 1 | 3 | 3 | 2 | 2 | 2 | 2 |
Swell 3 Height (m) Direction Period (s) | S 10 | — | — | — | — | N 11 | N 10 | — | N 10 | — | — | — | — | — | N 13 | N 12 | N 12 | W 8 | W 8 | W 8 | W 13 | W 13 | W 13 |
| kJ | 2 | — | — | — | — | 2 | 2 | — | 2 | — | — | — | — | — | 3 | 3 | 3 | 1 | 1 | 1 | 3 | 3 | 3 |
Wind waves Height (m) Direction Period (s) | ENE 8 | E 8 | ENE 8 | ENE 7 | ENE 7 | E 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 7 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 9 | ENE 9 | ENE 9 | ENE 9 | ENE 9 | ENE 9 | ENE 9 |
| kJ | 484 | 522 | 576 | 605 | 532 | 559 | 497 | 412 | 470 | 522 | 686 | 555 | 669 | 614 | 574 | 534 | 506 | 518 | 560 | 576 | 522 | 455 | 455 |
Nearest Offshore or Glassy | |||||||||||||||||||||||
Distance (km) | 28 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 28 | 28 | 73 | 25 | 25 | 57 | 73 | 57 | 57 | 69 | 73 | 73 | 69 | 57 | 69 |
Best forecast wave conditions in Big Island | |||||||||||||||||||||||
Best forecast wave conditions in United States | |||||||||||||||||||||||
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