Surf Forecasts:
How big are the waves at Waimanu Bay today (17 Sep):
- Morning surf: Morning surf (17 Sep, local time) - 6.5ft (2.0m), 9s period with ENE swell.
- Afternoon surf: Afternoon surf (17 Sep, local time) - 7.5ft (2.3m), 9s period with ENE swell.
- Evening surf: Evening surf (17 Sep, local time) - 6.5ft (2.0m), 8s period with E swell.
The current surf forecast for Waimanu Bay at 12PM is: 2.2m 9s primary swell from a East-northeast direction (forecast issued at 07:00am September 17). An open ocean swell of 0.1m 8s is not directed at the surf break, a second open ocean swell of 0.1m 10s 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 Sep) | 6.5ft (2.0m) | 9s |
| Afternoon (17 Sep) | 7.5ft (2.3m) | 9s |
| Evening (17 Sep) | 6.5ft (2.0m) | 8s |
Table - waves today at Waimanu Bay. (Swell directed towards the surf break)
Short Range ForecastLight rain (total 6mm), mostly falling on Thu afternoon. Warm (max 28°C on Thu morning, min 25°C on Sat night). Wind will be generally light. | |||||||||||||||||||||||
Thursday 17 | Friday 18 | Saturday 19 | |||||||||||||||||||||
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 10 | ENE 9 | ENE 9 | ENE 9 | ENE 9 | E 8 | ENE 8 | ENE 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | ENE 8 | E 8 |
Wave Graph  | |||||||||||||||||||||||
 kJ | 502 | 528 | 778 | 790 | 676 | 562 | 497 | 448 | 439 | 439 | 476 | 526 | 526 | 488 | 450 | 461 | 405 | 472 | 566 | 623 | 576 | 522 | 472 |
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 | cross | cross | cross | cross-on | cross-on | cross-on | cross-on | cross-on | cross | cross | cross | cross | cross-on | cross-on | cross-on | cross-on | cross |
High Tide | 7:40AM0.70m | 9:21AM0.69m | 10:50AM0.71m | 9:14PM0.38m | |||||||||||||||||||
Low Tide | 00:12AM0.24m | 1:37AM0.27m | 7:48PM0.37m | ||||||||||||||||||||
 |  |  | | |  |  | | | | | |  | | | | | | | | | | | |
 | 6:09 | — | — | — | — | — | — | — | 6:09 | — | — | — | — | — | — | — | 6:09 | — | — | — | — | — | — |
 | — | — | — | — | 6:22 | — | — | — | — | — | — | — | 6:22 | — | — | — | — | — | — | — | 6:21 | — | — |
mm | — | — | 1 | 2 | 2 | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 27 | 27 | 28 | 28 | 28 | 27 | 27 | 26 | 26 | 27 | 28 | 28 | 27 | 26 | 26 | 26 | 26 | 27 | 28 | 28 | 27 | 26 | 26 |
Feels °C | 30 | 29 | 30 | 29 | 29 | 28 | 28 | 27 | 26 | 27 | 27 | 27 | 27 | 26 | 26 | 26 | 25 | 27 | 28 | 27 | 26 | 26 | 26 |
Swell 1 Height (m) Direction Period (s) | ENE 10 | NNE 8 | W 8 | W 8 | W 8 | W 8 | W 8 | W 10 | W 10 | W 10 | W 10 | W 9 | W 9 | W 9 | W 9 | W 9 | NNE 7 | N 8 | W 9 | W 9 | W 9 | W 9 | W 9 |
| kJ | 502 | 107 | 1 | 1 | 1 | 1 | 1 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 15 | 1 | 2 | 2 | 2 | 1 | 1 |
Swell 2 Height (m) Direction Period (s) | NNE 8 | W 10 | W 10 | W 10 | W 10 | W 10 | W 16 | SW 16 | SW 18 | SW 18 | — | N 12 | N 11 | W 17 | W 17 | W 16 | W 9 | W 9 | — | N 11 | — | N 11 | N 11 |
| kJ | 99 | 2 | 2 | 2 | 2 | 2 | 5 | 10 | 12 | 12 | — | 3 | 3 | 6 | 6 | 5 | 2 | 2 | — | 2 | — | 2 | 2 |
Swell 3 Height (m) Direction Period (s) | W 10 | W 9 | SW 16 | — | — | W 16 | W 10 | — | — | — | — | — | W 17 | N 11 | N 10 | — | W 16 | N 10 | — | — | — | — | — |
| kJ | 2 | 1 | 10 | — | — | 5 | 2 | — | — | — | — | — | 6 | 2 | 2 | — | 5 | 2 | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | — | ENE 9 | ENE 9 | ENE 9 | ENE 9 | E 8 | ENE 8 | ENE 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | ENE 8 | E 8 |
| kJ | — | 528 | 778 | 790 | 676 | 562 | 497 | 448 | 439 | 439 | 476 | 526 | 526 | 488 | 450 | 461 | 405 | 472 | 566 | 623 | 576 | 522 | 472 |
Nearest Offshore or Glassy | |||||||||||||||||||||||
Distance (km) | 24 | 58 | 74 | 74 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 58 | 58 | 98 | 24 | 24 | 58 | 69 |
Best forecast wave conditions in Big Island | |||||||||||||||||||||||
Best forecast wave conditions in United States | |||||||||||||||||||||||
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