Surf Forecasts:
How big are the waves at Waimanu Bay today (13 Aug):
- Morning surf: Morning surf (13 Aug, local time) - 4.5ft (1.4m), 7s period with ENE swell.
- Afternoon surf: Afternoon surf (13 Aug, local time) - 5.5ft (1.7m), 8s period with ENE swell.
- Evening surf: Evening surf (13 Aug, local time) - 5.5ft (1.7m), 8s period with ENE swell.
The current surf forecast for Waimanu Bay at 12PM is: 1.6m 8s primary swell from a East-northeast direction and 0.1m 7s secondary swell from a Northwest direction (forecast issued at 07:00am August 13). An open ocean swell of 0.2m 12s is not directed at the surf break. The wind direction is predicted to be cross-onshore.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (13 Aug) | 4.5ft (1.4m) | 7s |
| Afternoon (13 Aug) | 5.5ft (1.7m) | 8s |
| Evening (13 Aug) | 5.5ft (1.7m) | 8s |
Table - waves today at Waimanu Bay. (Swell directed towards the surf break)
Short Range ForecastHeavy rain (total 22mm), heaviest during Fri night. Warm (max 27°C on Thu morning, min 25°C on Thu night). Mainly strong winds. | |||||||||||||||||||||||
Thursday 13 | Friday 14 | Saturday 15 | |||||||||||||||||||||
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 7 | ENE 7 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 9 | ENE 9 | E 11 | E 10 | E 11 | E 11 | E 11 | E 11 | E 11 | E 10 | E 10 | E 10 | E 10 | E 9 | E 9 |
Wave Graph  | |||||||||||||||||||||||
 kJ | 186 | 199 | 240 | 287 | 344 | 392 | 402 | 470 | 493 | 612 | 573 | 1156 | 1412 | 1830 | 2276 | 2379 | 2335 | 2471 | 2354 | 2140 | 1943 | 1476 | 1279 |
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 | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross | cross | cross | cross | cross |
High Tide | 3:00AM0.61m | 3:46PM0.96m | 3:46AM0.64m | 4:14PM0.89m | 4:32AM0.66m | 4:38PM0.81m | |||||||||||||||||
Low Tide | 8:54AM0.06m | 10:15PM0.20m | 9:36AM0.13m | 10:43PM0.19m | 10:18AM0.22m | ||||||||||||||||||
 |  |  | | |  | | | | | |  | |  |  | |  |  | | | | | | |
 | 6:01 | — | — | — | — | — | — | — | 6:01 | — | — | — | — | — | — | — | 6:01 | — | — | — | — | — | — |
 | — | — | — | — | 6:52 | — | — | — | — | — | — | — | 6:52 | — | — | — | — | — | — | — | 6:51 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | 1 | 1 | 2 | 3 | 2 | 6 | 5 | 2 | — | — | — | — |
Temp °C | 26 | 26 | 27 | 27 | 27 | 26 | 25 | 25 | 25 | 26 | 27 | 27 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 27 | 27 | 26 | 27 |
Feels °C | 27 | 26 | 26 | 26 | 26 | 25 | 23 | 24 | 24 | 25 | 26 | 25 | 25 | 25 | 24 | 25 | 25 | 25 | 24 | 25 | 25 | 23 | 25 |
Swell 1 Height (m) Direction Period (s) | ENE 7 | ENE 7 | W 12 | W 12 | W 12 | W 12 | W 12 | W 12 | W 12 | W 11 | E 11 | W 11 | W 12 | W 12 | W 12 | W 12 | W 11 | W 11 | W 11 | NNW 9 | W 11 | W 11 | W 13 |
| kJ | 186 | 199 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 10 | 573 | 10 | 11 | 11 | 11 | 11 | 10 | 10 | 9 | 7 | 10 | 10 | 13 |
Swell 2 Height (m) Direction Period (s) | W 12 | W 12 | NW 7 | N 7 | NW 9 | NNW 9 | NNW 8 | NNW 8 | NNW 8 | NW 8 | W 11 | NW 7 | NW 7 | — | — | NW 8 | NW 8 | NNW 8 | NNW 8 | W 11 | NNW 9 | NNW 8 | NNW 8 |
| kJ | 11 | 11 | 2 | 1 | 3 | 7 | 6 | 6 | 6 | 2 | 10 | 2 | 2 | — | — | 3 | 3 | 6 | 7 | 9 | 7 | 7 | 7 |
Swell 3 Height (m) Direction Period (s) | N 7 | N 7 | S 15 | N 9 | NNW 9 | — | W 12 | W 12 | W 12 | W 12 | NW 7 | W 11 | W 12 | — | — | — | — | — | — | W 14 | W 14 | — | — |
| kJ | 1 | 1 | 5 | 2 | 8 | — | 11 | 11 | 11 | 11 | 2 | 10 | 11 | — | — | — | — | — | — | 4 | 4 | — | — |
Wind waves Height (m) Direction Period (s) | — | — | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 9 | ENE 9 | NE 7 | E 10 | E 11 | E 11 | E 11 | E 11 | E 11 | E 10 | E 10 | E 10 | E 10 | E 9 | E 9 |
| kJ | — | — | 240 | 287 | 344 | 392 | 402 | 470 | 493 | 612 | 200 | 1156 | 1412 | 1830 | 2276 | 2379 | 2335 | 2471 | 2354 | 2140 | 1943 | 1476 | 1279 |
Nearest Offshore or Glassy | |||||||||||||||||||||||
Distance (km) | 60 | 66 | 66 | 98 | 68 | 66 | 58 | 58 | 58 | 68 | 98 | 69 | 66 | 58 | 58 | 58 | 58 | 66 | 66 | 107 | 72 | 69 | 68 |
Best forecast wave conditions in Big Island | |||||||||||||||||||||||
Best forecast wave conditions in United States | |||||||||||||||||||||||
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