Surf Forecasts:
How big are the waves at Kohala Lighthouse today (21 Aug):
- Morning surf: Morning surf (21 Aug, local time) - 3ft (0.9m), 6s period with NE swell.
- Afternoon surf: Afternoon surf (21 Aug, local time) - 6ft (1.8m), 6s period with ENE swell.
- Evening surf: Evening surf (21 Aug, local time) - 6ft (1.8m), 6s period with ENE swell.
The current surf forecast for Kohala Lighthouse at 10AM is: 1.4m 6s primary swell from a East-northeast direction and 0.4m 10s secondary swell from a West direction (forecast issued at 07:00am August 21). An open ocean swell of 0.2m 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 (21 Aug) | 3ft (0.9m) | 6s |
| Afternoon (21 Aug) | 6ft (1.8m) | 6s |
| Evening (21 Aug) | 6ft (1.8m) | 6s |
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 21 | Saturday 22 | Sunday 23 | |||||||||||||||||||||
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) | NE 7 | NE 6 | ENE 6 | ENE 6 | ENE 6 | ENE 6 | ENE 6 | ENE 7 | ENE 7 | E 7 | E 6 | ENE 7 | ENE 7 | E 6 | E 7 | E 8 | E 8 | E 8 | ENE 8 | ENE 6 | ENE 6 | ENE 6 | E 8 |
Wave Graph  | |||||||||||||||||||||||
 kJ | 88 | 61 | 146 | 229 | 245 | 245 | 218 | 186 | 232 | 255 | 367 | 539 | 444 | 334 | 355 | 407 | 428 | 412 | 497 | 363 | 363 | 266 | 341 |
Wind (km/h) | |||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross |
High Tide | 12:05PM0.70m | 12:49PM0.75m | 11:54PM0.34m | 1:23PM0.79m | |||||||||||||||||||
Low Tide | 2:39AM0.22m | 4:19AM0.21m | 8:46PM0.30m | 5:31AM0.17m | 8:43PM0.28m | ||||||||||||||||||
 |  | |  | |  | | | | | | | | | | | | | | | | | | |
 | 6:03 | — | — | — | — | — | — | — | 6:03 | — | — | — | — | — | — | — | 6:05 | — | — | — | — | — | — |
 | — | — | — | — | 6:47 | — | — | — | — | — | — | — | 6:46 | — | — | — | — | — | — | — | 6:45 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 26 | 27 | 27 | 27 | 27 | 27 | 27 | 26 | 26 | 26 | 26 | 26 | 26 | 25 | 25 | 25 | 25 | 26 | 26 | 26 | 26 | 26 | 26 |
Feels °C | 28 | 28 | 27 | 26 | 26 | 27 | 26 | 25 | 25 | 24 | 24 | 24 | 24 | 22 | 22 | 22 | 22 | 23 | 23 | 23 | 24 | 24 | 24 |
Swell 1 Height (m) Direction Period (s) | E 8 | NE 6 | W 10 | W 11 | W 11 | WNW 11 | WNW 10 | WNW 10 | WNW 10 | WNW 10 | WNW 10 | WNW 10 | WNW 11 | WNW 10 | WNW 10 | WNW 10 | WNW 10 | WNW 10 | WNW 10 | WNW 10 | WNW 10 | SW 14 | WNW 10 |
| kJ | 21 | 61 | 32 | 36 | 37 | 37 | 33 | 33 | 33 | 19 | 19 | 20 | 22 | 35 | 35 | 20 | 33 | 19 | 19 | 9 | 9 | 8 | 9 |
Swell 2 Height (m) Direction Period (s) | W 10 | E 8 | SSW 16 | SSW 16 | SSW 16 | SSW 16 | SW 16 | NNE 7 | SW 16 | SSW 16 | SSW 16 | SSW 16 | SSW 16 | SSW 16 | SSW 15 | SSW 15 | SW 15 | SW 15 | SW 15 | SW 15 | SW 15 | W 9 | SW 14 |
| kJ | 32 | 21 | 26 | 26 | 25 | 24 | 39 | 9 | 39 | 24 | 24 | 24 | 24 | 24 | 23 | 23 | 9 | 9 | 9 | 8 | 8 | 6 | 8 |
Swell 3 Height (m) Direction Period (s) | SW 16 | W 10 | SW 9 | SW 11 | SW 9 | SW 9 | SW 9 | SW 16 | W 9 | WSW 10 | WSW 10 | WSW 10 | WSW 10 | WSW 10 | WSW 10 | WSW 10 | WSW 9 | WNW 12 | SW 9 | WNW 11 | SW 9 | NW 11 | W 9 |
| kJ | 43 | 32 | 3 | 5 | 3 | 3 | 3 | 39 | 2 | 10 | 10 | 10 | 10 | 9 | 9 | 9 | 8 | 14 | 3 | 12 | 3 | 4 | 2 |
Wind waves Height (m) Direction Period (s) | NE 7 | E 5 | ENE 6 | ENE 6 | ENE 6 | ENE 6 | ENE 6 | ENE 7 | ENE 7 | E 7 | E 6 | ENE 7 | ENE 7 | E 6 | E 7 | E 8 | E 8 | E 8 | ENE 8 | ENE 6 | ENE 6 | ENE 6 | E 8 |
| kJ | 88 | 29 | 146 | 229 | 245 | 245 | 218 | 186 | 232 | 255 | 367 | 539 | 444 | 334 | 355 | 407 | 428 | 412 | 497 | 363 | 363 | 266 | 341 |
Nearest Offshore or Glassy | |||||||||||||||||||||||
Distance (km) | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 77 | 57 | 57 |
Best forecast wave conditions in Big Island | |||||||||||||||||||||||
Best forecast wave conditions in United States | |||||||||||||||||||||||
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