Surf Forecasts:
How big are the waves at Kohala Lighthouse today (20 Aug):
- Morning surf: Morning surf (20 Aug, local time) - 3ft (0.9m), 7s period with ENE swell.
- Afternoon surf: Afternoon surf (20 Aug, local time) - 3.5ft (1.0m), 7s period with NE swell.
- Evening surf: Evening surf (20 Aug, local time) - 3ft (0.9m), 7s period with NE swell.
The current surf forecast for Kohala Lighthouse at 4AM is: 0.9m 8s primary swell from a East direction and 0.7m 7s secondary swell from a North-northeast direction (forecast issued at 07:00pm August 19). The wind direction is predicted to be cross-shore.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (20 Aug) | 3ft (0.9m) | 7s |
| Afternoon (20 Aug) | 3.5ft (1.0m) | 7s |
| Evening (20 Aug) | 3ft (0.9m) | 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 25°C on Wed night). Winds increasing (light winds from the ENE on Thu morning, strong winds from the ENE by Sat afternoon). | |||||||||||||||||||
Wed 19 | Thursday 20 | Friday 21 | |||||||||||||||||
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 7 | E 8 | E 7 | ENE 7 | NE 7 | NE 7 | NE 7 | NE 7 | NE 7 | NE 7 | NE 7 | NE 7 | ENE 7 | ENE 6 | ENE 6 | ENE 6 | ENE 6 |
Wave Graph  | |||||||||||||||||||
 kJ | 207 | 161 | 157 | 90 | 88 | 89 | 119 | 93 | 93 | 77 | 67 | 67 | 55 | 77 | 140 | 186 | 206 | 192 | 179 |
Wind (km/h) | |||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | cross | cross | cross | cross | cross-on | cross-on | cross-on | cross-on | cross | cross | cross | cross-off | cross | cross | cross | cross | cross | cross |
High Tide | 10:57AM0.66m | 12:05PM0.70m | |||||||||||||||||
Low Tide | 1:22AM0.20m | 2:39AM0.22m | |||||||||||||||||
 |  |  | | |  | | | | | | | | | | | | | | |
 | — | — | — | — | 6:03 | — | — | — | — | — | — | — | 6:03 | — | — | — | — | — | — |
 | 6:49 | — | — | — | — | — | — | — | 6:47 | — | — | — | — | — | — | — | 6:47 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 25 | 25 | 25 | 25 | 25 | 25 | 26 | 26 | 26 | 26 | 26 | 25 | 26 | 26 | 27 | 27 | 27 | 26 | 27 |
Feels °C | 25 | 25 | 26 | 27 | 28 | 28 | 29 | 28 | 27 | 27 | 28 | 28 | 29 | 28 | 26 | 25 | 25 | 26 | 27 |
Swell 1 Height (m) Direction Period (s) | W 12 | W 12 | ENE 7 | E 8 | E 7 | ENE 7 | NE 7 | NE 7 | NE 7 | NE 7 | NE 7 | NE 7 | NE 7 | NE 7 | W 10 | W 11 | W 11 | WNW 11 | WNW 10 |
| kJ | 25 | 25 | 157 | 90 | 88 | 89 | 119 | 93 | 93 | 77 | 67 | 67 | 55 | 77 | 32 | 36 | 37 | 37 | 33 |
Swell 2 Height (m) Direction Period (s) | W 7 | W 7 | W 12 | NNE 6 | NNE 7 | NNE 6 | W 11 | E 8 | E 8 | E 8 | E 8 | E 8 | E 4 | E 8 | SSW 16 | SSW 16 | SSW 16 | SSW 16 | SW 16 |
| kJ | 4 | 4 | 11 | 34 | 40 | 31 | 9 | 40 | 29 | 28 | 35 | 47 | 8 | 21 | 26 | 26 | 25 | 24 | 39 |
Swell 3 Height (m) Direction Period (s) | SW 16 | SW 16 | W 7 | W 11 | W 11 | W 11 | SSW 18 | W 11 | W 11 | W 11 | W 11 | W 11 | E 8 | W 10 | SW 9 | SW 11 | SW 9 | SW 9 | SW 9 |
| kJ | 10 | 10 | 4 | 10 | 9 | 9 | 30 | 9 | 9 | 21 | 21 | 20 | 22 | 32 | 3 | 5 | 3 | 3 | 3 |
Wind waves Height (m) Direction Period (s) | ENE 8 | ENE 8 | — | — | — | — | — | — | — | — | ENE 3 | E 3 | — | E 4 | ENE 7 | ENE 6 | ENE 6 | ENE 6 | ENE 6 |
| kJ | 207 | 161 | — | — | — | — | — | — | — | — | 1 | 6 | — | 12 | 140 | 186 | 206 | 192 | 179 |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 73 | 25 | 25 | 25 | 13 | 5 | 25 | 25 | 25 | 25 | 25 | 5 | 5 | 5 | 25 | 25 | 25 | 25 | 25 |
Best forecast wave conditions in Big Island | |||||||||||||||||||
Best forecast wave conditions in United States | |||||||||||||||||||
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