Surf Forecasts:
How big are the waves at Hakalau today (20 Sep):
- Morning surf: Morning surf (20 Sep, local time) - 6ft (1.8m), 9s period with E swell.
- Afternoon surf: Afternoon surf (20 Sep, local time) - 6ft (1.8m), 9s period with ENE swell.
- Evening surf: Evening surf (20 Sep, local time) - 6ft (1.8m), 9s period with ENE swell.
The current surf forecast for Hakalau at 12AM is: 1.9m 9s primary swell from a East direction (forecast issued at 07:00pm September 19). An open ocean swell of 0.1m 17s is not directed at the surf break. The wind direction is predicted to be cross-onshore.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (20 Sep) | 6ft (1.8m) | 9s |
| Afternoon (20 Sep) | 6ft (1.8m) | 9s |
| Evening (20 Sep) | 6ft (1.8m) | 9s |
Table - waves today at Hakalau. (Swell directed towards the surf break)
Short Range ForecastHeavy rain (total 21mm), heaviest during Mon night. Warm (max 27°C on Mon morning, min 25°C on Sat night). Wind will be generally light. | |||||||||||||||||||
Sat 19 | Sunday 20 | Monday 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) | E 8 | E 8 | E 8 | E 9 | E 9 | E 9 | E 9 | E 9 | ENE 9 | ENE 9 | ENE 9 | ENE 9 | ENE 9 | ENE 9 | ENE 9 | ENE 8 | ENE 8 | ENE 8 | ENE 8 |
Wave Graph  | |||||||||||||||||||
 kJ | 566 | 566 | 524 | 549 | 549 | 494 | 439 | 494 | 505 | 505 | 505 | 505 | 505 | 493 | 547 | 547 | 483 | 483 | 471 |
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 | on | on | on | on | on | on | glassy | glassy | on | on | on | on | on | cross-on |
High Tide | 9:50PM0.38m | 11:56AM0.80m | 11:44PM0.44m | 12:30PM0.84m | |||||||||||||||
Low Tide | 8:43PM0.38m | 3:34AM0.31m | 7:30PM0.36m | 5:03AM0.27m | 7:29PM0.32m | ||||||||||||||
 |  | | |  | | | | | | | | | |  | | |  |  | |
 | — | — | — | — | 6:07 | — | — | — | — | — | — | — | 6:09 | — | — | — | — | — | — |
 | 6:19 | — | — | — | — | — | — | — | 6:17 | — | — | — | — | — | — | — | 6:16 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | 1 | 2 | 3 | 2 |
Temp °C | 26 | 26 | 26 | 26 | 25 | 26 | 26 | 26 | 26 | 26 | 25 | 25 | 26 | 27 | 27 | 26 | 26 | 26 | 26 |
Feels °C | 27 | 27 | 27 | 28 | 26 | 28 | 27 | 27 | 27 | 28 | 27 | 28 | 30 | 30 | 30 | 28 | 29 | 30 | 28 |
Swell 1 Height (m) Direction Period (s) | E 8 | E 8 | E 8 | E 9 | E 9 | E 9 | E 9 | E 9 | ENE 9 | ENE 9 | ENE 9 | ENE 9 | ENE 9 | ENE 9 | ENE 9 | ENE 8 | ENE 8 | ENE 8 | ENE 8 |
| kJ | 566 | 566 | 524 | 549 | 549 | 494 | 439 | 494 | 505 | 505 | 505 | 505 | 505 | 493 | 547 | 547 | 483 | 483 | 471 |
Swell 2 Height (m) Direction Period (s) | S 18 | S 18 | S 16 | S 17 | S 17 | S 17 | NNE 7 | S 16 | S 16 | NW 11 | NW 11 | NW 11 | NW 11 | NNW 10 | NNW 10 | NNW 10 | NNW 10 | NNW 10 | NNW 10 |
| kJ | 6 | 6 | 5 | 5 | 6 | 6 | 40 | 5 | 5 | 5 | 5 | 5 | 5 | 11 | 10 | 10 | 10 | 10 | 9 |
Swell 3 Height (m) Direction Period (s) | S 13 | S 13 | S 13 | SE 8 | S 12 | N 12 | S 16 | NW 12 | NW 11 | S 16 | S 15 | S 15 | S 15 | S 14 | S 14 | S 14 | S 14 | S 13 | N 16 |
| kJ | 4 | 3 | 3 | 3 | 3 | 3 | 5 | 5 | 5 | 5 | 4 | 4 | 17 | 16 | 16 | 4 | 14 | 14 | 5 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | N 6 | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | 30 | — | — | — | — | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 74 | 95 | 95 | 16 | 95 | 20 | 158 | 96 | 95 | 95 | 14 | 0 | 0 | 14 | 122 | 122 | 95 | 95 | 20 |
Best forecast wave conditions in Big Island | |||||||||||||||||||
Best forecast wave conditions in United States | |||||||||||||||||||
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