Surf Forecasts:
How big are the waves at Hakalau today (17 Aug):
- Morning surf: Morning surf (17 Aug, local time) - 5ft (1.5m), 8s period with E swell.
- Afternoon surf: Afternoon surf (17 Aug, local time) - 4.5ft (1.4m), 8s period with ENE swell.
- Evening surf: Evening surf (17 Aug, local time) - 4.5ft (1.3m), 8s period with ENE swell.
The current surf forecast for Hakalau at 2AM is: 1.7m 8s primary swell from a East direction and 0.4m 11s secondary swell from a Southeast direction (forecast issued at 07:00pm August 16). An open ocean swell of 0.2m 15s is not directed at the surf break. The wind direction is predicted to be cross-onshore.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (17 Aug) | 5ft (1.5m) | 8s |
| Afternoon (17 Aug) | 4.5ft (1.4m) | 8s |
| Evening (17 Aug) | 4.5ft (1.3m) | 8s |
Table - waves today at Hakalau. (Swell directed towards the surf break)
Short Range ForecastLight rain (total 8mm), mostly falling on Sun night. Warm (max 26°C on Sun night, min 24°C on Mon night). Wind will be generally light. | |||||||||||||||||||
Sun 16 | Monday 17 | Tuesday 18 | |||||||||||||||||
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) | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | E 8 | E 8 | E 8 |
Wave Graph  | |||||||||||||||||||
 kJ | 527 | 432 | 381 | 332 | 300 | 265 | 265 | 226 | 226 | 202 | 202 | 212 | 207 | 207 | 202 | 207 | 160 | 163 | 132 |
Wind (km/h) | |||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | on | on | on | on | on | cross-on | on | cross-on | on | on | on | glassy | glassy |
High Tide | 6:12AM0.74m | 5:17PM0.70m | 7:10AM0.72m | 5:22PM0.62m | |||||||||||||||
Low Tide | 11:36PM0.17m | 11:50AM0.42m | 00:03AM0.19m | 12:47PM0.51m | |||||||||||||||
 |  | |  | |  |  | |  |  | |  | | | | | | | | |
 | — | — | — | — | 6:01 | — | — | — | — | — | — | — | 6:01 | — | — | — | — | — | — |
 | 6:47 | — | — | — | — | — | — | — | 6:46 | — | — | — | — | — | — | — | 6:46 | — | — |
mm | 1 | 2 | 1 | 1 | 1 | 1 | 1 | 1 | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 27 | 26 | 26 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 24 | 25 | 25 | 26 | 25 | 25 | 25 | 25 |
Feels °C | 28 | 29 | 28 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 26 | 27 | 27 | 27 | 26 | 27 | 28 | 28 |
Swell 1 Height (m) Direction Period (s) | SE 11 | SE 11 | SE 11 | SE 11 | SE 11 | SE 11 | SE 11 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | E 8 | E 8 | E 8 |
| kJ | 31 | 31 | 30 | 30 | 29 | 40 | 29 | 226 | 226 | 202 | 202 | 212 | 207 | 207 | 202 | 207 | 160 | 163 | 132 |
Swell 2 Height (m) Direction Period (s) | S 16 | S 16 | S 15 | S 15 | S 14 | S 14 | S 14 | SE 11 | SE 11 | SE 11 | SE 9 | SE 10 | SE 10 | SE 10 | SE 10 | SE 10 | NNE 6 | NE 7 | NE 7 |
| kJ | 20 | 19 | 17 | 17 | 16 | 16 | 16 | 29 | 29 | 29 | 22 | 25 | 24 | 24 | 24 | 24 | 23 | 42 | 37 |
Swell 3 Height (m) Direction Period (s) | S 10 | S 10 | S 10 | S 10 | N 8 | N 8 | N 8 | S 14 | S 13 | S 13 | S 13 | S 13 | S 13 | S 13 | NE 8 | NE 8 | SE 10 | SE 10 | SE 10 |
| kJ | 7 | 7 | 8 | 8 | 1 | 1 | 1 | 15 | 14 | 14 | 14 | 14 | 13 | 13 | 2 | 2 | 24 | 24 | 24 |
Wind waves Height (m) Direction Period (s) | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | — | — | — | — | E 8 | — | — | — | — | — | — | — |
| kJ | 527 | 432 | 381 | 332 | 300 | 265 | 265 | — | — | — | — | 181 | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 175 | 18 | 18 | 18 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 14 | 156 | 20 | 158 | 0 | 0 |
Best forecast wave conditions in Big Island | |||||||||||||||||||
Best forecast wave conditions in United States | |||||||||||||||||||
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