Surf Forecasts:
How big are the waves at Waimanu Bay today (15 Aug):
- Morning surf: Morning surf (15 Aug, local time) - 13ft (4.0m), 11s period with E swell.
- Afternoon surf: Afternoon surf (15 Aug, local time) - 16ft (5.0m), 10s period with E swell.
- Evening surf: Evening surf (15 Aug, local time) - 13ft (4.0m), 9s period with E swell.
The current surf forecast for Waimanu Bay at 9PM is: 4.0m 9s primary swell from a East direction and 0.2m 8s secondary swell from a North-northwest direction (forecast issued at 01:00pm August 15). An open ocean swell of 0.2m 12s is not directed at the surf break. The wind direction is predicted to be cross-shore.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (15 Aug) | 13ft (4.0m) | 11s |
| Afternoon (15 Aug) | 16ft (5.0m) | 10s |
| Evening (15 Aug) | 13ft (4.0m) | 9s |
Table - waves today at Waimanu Bay. (Swell directed towards the surf break)
Short Range ForecastModerate rain (total 19mm), heaviest on Sat afternoon. Warm (max 28°C on Sun morning, min 25°C on Sat night). Winds decreasing (gales from the E on Sat afternoon, light winds from the E by Tue morning). | |||||||||||||||||||||
Sat 15 | Sunday 16 | Monday 17 | |||||||||||||||||||
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) | E 10 | E 10 | E 10 | E 9 | ESE 9 | E 9 | 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 |
Wave Graph | |||||||||||||||||||||
3848 | 5320 | 4828 | 3344 | 2176 | 1243 | 919 | 759 | 804 | 832 | 674 | 558 | 471 | 385 | 308 | 273 | 273 | 240 | 240 | 210 | 215 | |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross | cross | cross | cross | cross | cross | cross | cross | cross-on | cross-on | cross-on | cross-on | cross | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross |
High Tide | 4:38PM0.81m | 5:20AM0.67m | 4:59PM0.72m | 6:13AM0.67m | 5:15PM0.64m | ||||||||||||||||
Low Tide | 10:18AM0.22m | 11:09PM0.18m | 11:01AM0.32m | 11:37PM0.19m | 11:50AM0.41m | ||||||||||||||||
— | — | — | — | — | — | 6:01 | — | — | — | — | — | — | — | 6:01 | — | — | — | — | — | — | |
— | — | 6:51 | — | — | — | — | — | — | — | 6:50 | — | — | — | — | — | — | — | 6:50 | — | — | |
mm | 3 | 8 | 5 | 1 | 2 | — | — | — | — | — | 1 | 1 | 1 | — | — | — | — | — | — | — | — |
Temp °C | 26 | 27 | 27 | 26 | 25 | 26 | 27 | 27 | 28 | 28 | 27 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 25 | 25 |
Feels °C | 20 | 20 | 21 | 22 | 21 | 26 | 28 | 29 | 29 | 29 | 29 | 28 | 28 | 28 | 28 | 28 | 27 | 27 | 27 | 26 | 26 |
Swell 1 Height (m) Direction Period (s) | W 11 | W 11 | W 11 | W 11 | W 13 | W 13 | W 13 | W 13 | W 13 | W 12 | W 12 | W 12 | W 12 | W 12 | W 11 | W 11 | W 11 | W 11 | W 11 | W 11 | W 11 |
9 | 9 | 10 | 10 | 13 | 13 | 14 | 13 | 13 | 12 | 26 | 26 | 11 | 11 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | |
Swell 2 Height (m) Direction Period (s) | W 14 | W 14 | W 14 | NNW 9 | NW 9 | NW 8 | NNW 9 | N 9 | N 9 | N 9 | N 9 | N 8 | N 8 | N 8 | N 8 | N 8 | N 8 | N 8 | N 8 | N 8 | N 8 |
4 | 4 | 4 | 7 | 3 | 3 | 8 | 2 | 2 | 2 | 1 | 1 | 5 | 5 | 5 | 5 | 1 | 1 | 5 | 1 | 1 | |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | S 16 | — | — | NNW 8 | W 6 | W 6 | W 5 | SE 11 | SE 11 | SE 11 | SE 11 | E 11 | — |
— | — | — | — | — | — | — | — | 5 | — | — | 7 | 1 | 1 | 1 | 5 | 5 | 5 | 5 | 2 | — | |
Wind waves Height (m) Direction Period (s) | E 10 | E 10 | E 10 | E 9 | ESE 9 | E 9 | 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 |
3848 | 5320 | 4828 | 3344 | 2176 | 1243 | 919 | 759 | 804 | 832 | 674 | 558 | 471 | 385 | 308 | 273 | 273 | 240 | 240 | 210 | 215 | |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 58 | 58 | 462 | 71 | 24 | 66 | 25 | 12 | 98 | 68 | 98 | 74 | 68 | 68 | 58 | 68 | 58 | 77 | 58 | 58 | 58 |
Best forecast wave conditions in Big Island | |||||||||||||||||||||
Best forecast wave conditions in United States | |||||||||||||||||||||
Header Global | |||||||||||||||||||||
- Map Icons:
Break
Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)
Wind Speed (km/h)












