Surf Forecasts:
How big are the waves at Kohala Lighthouse today (21 Sep):
- Morning surf: Morning surf (21 Sep, local time) - 6ft (1.9m), 8s period with ENE swell.
- Afternoon surf: Afternoon surf (21 Sep, local time) - 6ft (1.8m), 8s period with ENE swell.
- Evening surf: Evening surf (21 Sep, local time) - 5.5ft (1.7m), 8s period with ENE swell.
The current surf forecast for Kohala Lighthouse at 10AM is: 1.9m 8s primary swell from a East-northeast direction and 0.1m 10s secondary swell from a Northwest direction (forecast issued at 01:00am September 21). An open ocean swell of 0.1m 14s is not directed at the surf break. The wind direction is predicted to be cross-shore.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (21 Sep) | 6ft (1.9m) | 8s |
| Afternoon (21 Sep) | 6ft (1.8m) | 8s |
| Evening (21 Sep) | 5.5ft (1.7m) | 8s |
Table - waves today at Kohala Lighthouse. (Swell directed towards the surf break)
Short Range ForecastLight rain (total 2mm), mostly falling on Mon afternoon. Warm (max 27°C on Tue morning, min 25°C on Wed night). Mainly strong winds. | ||||||||||||||||||||||||
Monday 21 | Tuesday 22 | Wednesday 23 | ||||||||||||||||||||||
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 | 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 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 9 | ENE 9 | ENE 10 | E 10 | E 10 | E 10 | E 10 | E 10 | E 9 | ENE 9 | E 9 | E 9 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 494 | 445 | 445 | 510 | 479 | 450 | 389 | 424 | 380 | 380 | 422 | 547 | 790 | 900 | 1064 | 1005 | 942 | 843 | 752 | 736 | 705 | 612 | 588 | 529 |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | cross | cross | cross | cross-on | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross |
High Tide | 00:06AM0.36m | 12:37PM0.75m | 00:40AM0.42m | 1:05PM0.78m | 1:12AM0.49m | 1:30PM0.79m | ||||||||||||||||||
Low Tide | 5:04AM0.23m | 7:46PM0.25m | 5:59AM0.20m | 7:54PM0.22m | 6:44AM0.18m | 8:06PM0.19m | ||||||||||||||||||
 |  |  |  |  | | | | | | | | | | | | | | | | |  | | | |
 | — | 6:11 | — | — | — | — | — | — | — | 6:11 | — | — | — | — | — | — | — | 6:11 | — | — | — | — | — | — |
 | — | — | — | — | — | 6:20 | — | — | — | — | — | — | — | 6:19 | — | — | — | — | — | — | — | 6:17 | — | — |
mm | — | — | — | — | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | — | — |
Temp °C | 25 | 25 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 27 | 27 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 25 |
Feels °C | 23 | 23 | 24 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 26 | 26 | 25 | 25 | 25 | 25 | 25 | 24 | 23 | 24 | 24 | 24 | 23 |
Swell 1 Height (m) Direction Period (s) | 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 | NNW 11 | NNW 11 | N 11 | N 10 | N 10 | N 10 | N 10 | N 10 |
| kJ | 21 | 20 | 8 | 8 | 8 | 7 | 7 | 10 | 17 | 36 | 59 | 87 | 110 | 104 | 101 | 91 | 95 | 93 | 86 | 78 | 53 | 54 | 54 | 52 |
Swell 2 Height (m) Direction Period (s) | N 11 | N 11 | NW 10 | NW 10 | NW 10 | NW 10 | W 11 | NW 10 | W 11 | W 11 | SW 13 | W 13 | W 13 | W 12 | W 12 | W 12 | W 12 | W 12 | W 12 | SW 17 | SSW 17 | SSW 16 | SSW 16 | SSW 16 |
| kJ | 2 | 2 | 4 | 4 | 4 | 4 | 10 | 4 | 10 | 10 | 7 | 13 | 13 | 12 | 11 | 11 | 11 | 11 | 11 | 12 | 27 | 25 | 24 | 24 |
Swell 3 Height (m) Direction Period (s) | W 12 | W 12 | W 12 | W 12 | W 12 | W 11 | NW 10 | SW 14 | NW 9 | SW 14 | N 9 | SW 13 | SW 13 | SW 13 | SW 17 | SW 17 | SW 17 | SW 17 | SW 17 | W 11 | W 11 | W 11 | W 11 | W 11 |
| kJ | 3 | 3 | 3 | 3 | 3 | 2 | 4 | 7 | 3 | 7 | 2 | 7 | 7 | 7 | 11 | 11 | 12 | 12 | 12 | 9 | 9 | 9 | 9 | 9 |
Wind waves Height (m) Direction Period (s) | 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 | ENE 9 | ENE 10 | E 10 | E 10 | E 10 | E 10 | E 10 | E 9 | ENE 9 | E 9 | E 9 |
| kJ | 494 | 445 | 445 | 510 | 479 | 450 | 389 | 424 | 380 | 380 | 422 | 547 | 790 | 900 | 1064 | 1005 | 942 | 843 | 752 | 736 | 705 | 612 | 588 | 529 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 69 | 69 | 57 | 73 | 73 | 57 | 57 | 57 | 57 | 57 | 69 | 73 | 81 | 57 | 69 | 69 | 69 | 69 | 69 | 57 | 54 | 57 | 57 | 54 |
Best forecast wave conditions in Big Island | ||||||||||||||||||||||||
Best forecast wave conditions in United States | ||||||||||||||||||||||||
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