Surf Forecasts:
How big are the waves at Waimanu Bay today (18 Jul):
- Morning surf: Morning surf (18 Jul, local time) - 6ft (1.9m), 8s period with E swell.
- Afternoon surf: Afternoon surf (18 Jul, local time) - 6ft (1.8m), 8s period with ENE swell.
- Evening surf: Evening surf (18 Jul, local time) - 5.5ft (1.7m), 8s period with E swell.
The current surf forecast for Waimanu Bay at 8AM is: 1.9m 8s primary swell from a East direction and 0.3m 7s secondary swell from a North-northeast direction (forecast issued at 01:00am July 18). An open ocean swell of 0.4m 13s is not directed at the surf break. The wind direction is predicted to be cross-shore.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (18 Jul) | 6ft (1.9m) | 8s |
| Afternoon (18 Jul) | 6ft (1.8m) | 8s |
| Evening (18 Jul) | 5.5ft (1.7m) | 8s |
Table - waves today at Waimanu Bay. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Warm (max 27°C on Sat morning, min 24°C on Sat night). Wind will be generally light. | ||||||||||||||||||||||||
Saturday 18 | Sunday 19 | Monday 20 | ||||||||||||||||||||||
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 | 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 7 | E 7 | E 8 | ENE 8 | ENE 8 | ENE 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | ENE 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 7 | ENE 7 | ENE 7 | E 7 | E 7 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 262 | 349 | 453 | 473 | 448 | 448 | 393 | 349 | 343 | 260 | 260 | 253 | 310 | 219 | 213 | 173 | 169 | 168 | 135 | 134 | 164 | 177 | 100 | 96 |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | cross | cross | cross-on | cross-on | cross-on | cross-on | cross-on | cross | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross | cross-on | cross | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on |
High Tide | 5:44AM0.55m | 5:53PM0.81m | 6:53AM0.56m | 6:16PM0.72m | 8:20AM0.59m | 6:34PM0.63m | ||||||||||||||||||
Low Tide | 00:14AM0.23m | 11:10AM0.26m | 00:49AM0.22m | 12:00PM0.38m | 1:26AM0.22m | 1:10PM0.48m | ||||||||||||||||||
 | |  |  | | | |  | | | | | | | | | | | | | | | | | |
 | — | 5:52 | — | — | — | — | — | — | — | 5:52 | — | — | — | — | — | — | — | 5:52 | — | — | — | — | — | — |
 | — | — | — | — | — | 7:04 | — | — | — | — | — | — | — | 7:04 | — | — | — | — | — | — | — | 7:04 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 25 | 24 | 25 | 27 | 27 | 26 | 25 | 25 | 24 | 24 | 25 | 26 | 26 | 26 | 25 | 24 | 24 | 24 | 25 | 27 | 26 | 26 | 25 | 25 |
Feels °C | 25 | 23 | 24 | 26 | 27 | 26 | 25 | 26 | 24 | 23 | 25 | 26 | 26 | 27 | 26 | 24 | 25 | 25 | 26 | 28 | 27 | 27 | 26 | 26 |
Swell 1 Height (m) Direction Period (s) | N 8 | WNW 14 | WNW 13 | WNW 13 | WNW 13 | W 13 | W 13 | W 13 | N 7 | NNE 7 | NNE 7 | NNE 6 | W 12 | NNE 6 | NNE 8 | NNE 8 | NNE 8 | NNE 8 | NNE 8 | NNE 8 | NNE 7 | E 13 | NE 7 | NE 7 |
| kJ | 32 | 61 | 59 | 58 | 57 | 30 | 30 | 30 | 27 | 34 | 42 | 32 | 11 | 32 | 51 | 51 | 56 | 47 | 50 | 50 | 28 | 13 | 54 | 53 |
Swell 2 Height (m) Direction Period (s) | WNW 14 | NNE 8 | NNE 7 | — | WNW 13 | W 13 | N 8 | NNE 8 | W 13 | W 13 | W 13 | W 12 | NNE 6 | W 12 | W 12 | W 12 | W 12 | W 12 | W 12 | W 12 | W 12 | W 11 | E 12 | E 12 |
| kJ | 63 | 19 | 10 | — | 34 | 30 | 6 | 12 | 30 | 30 | 29 | 27 | 33 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 10 | 10 | 12 | 26 |
Swell 3 Height (m) Direction Period (s) | WNW 14 | NNE 8 | — | — | — | — | NNE 8 | — | W 13 | W 13 | W 13 | S 19 | W 12 | S 18 | S 18 | E 14 | E 14 | E 14 | E 14 | E 13 | E 13 | NE 7 | W 12 | W 12 |
| kJ | 63 | 19 | — | — | — | — | 7 | — | 30 | 30 | 29 | 7 | 11 | 6 | 6 | 4 | 4 | 4 | 4 | 3 | 13 | 2 | 10 | 11 |
Wind waves Height (m) Direction Period (s) | E 7 | E 7 | E 8 | ENE 8 | ENE 8 | ENE 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | ENE 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 7 | ENE 7 | ENE 7 | E 7 | E 7 |
| kJ | 262 | 349 | 453 | 473 | 448 | 448 | 393 | 349 | 343 | 260 | 260 | 253 | 310 | 219 | 213 | 173 | 169 | 168 | 135 | 134 | 164 | 177 | 100 | 96 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 98 | 24 | 32 | 58 | 98 | 107 | 98 | 98 | 60 | 60 | 60 | 70 | 77 | 77 | 77 | 67 | 69 |
Best forecast wave conditions in Big Island | ||||||||||||||||||||||||
Best forecast wave conditions in United States | ||||||||||||||||||||||||
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