Surf Forecasts:
How big are the waves at Waimanu Bay today (21 Aug):
- Morning surf: Morning surf (21 Aug, local time) - 2.5ft (0.8m), 7s period with NE swell.
- Afternoon surf: Afternoon surf (21 Aug, local time) - 5.5ft (1.7m), 6s period with ENE swell.
- Evening surf: Evening surf (21 Aug, local time) - 5ft (1.5m), 7s period with E swell.
The current surf forecast for Waimanu Bay at 11AM is: 1.5m 5s primary swell from a East direction (forecast issued at 07:00am August 21). An open ocean swell of 0.4m 10s is not directed at the surf break, a second open ocean swell of 0.1m 9s is not directed at the surf break. The wind direction is predicted to be cross-onshore.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (21 Aug) | 2.5ft (0.8m) | 7s |
| Afternoon (21 Aug) | 5.5ft (1.7m) | 6s |
| Evening (21 Aug) | 5ft (1.5m) | 7s |
Table - waves today at Waimanu Bay. (Swell directed towards the surf break)
Short Range ForecastSome drizzle, heaviest during Sun afternoon. Warm (max 28°C on Fri morning, min 25°C on Sun night). Mainly fresh winds. | |||||||||||||||||||||||
Friday 21 | Saturday 22 | Sunday 23 | |||||||||||||||||||||
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 8 | NE 7 | E 5 | ENE 6 | E 6 | E 7 | E 7 | E 7 | E 7 | E 8 | E 8 | E 8 | E 8 | E 8 | E 9 | E 9 | E 9 | E 9 | E 9 | E 8 | E 8 | E 8 | E 8 |
Wave Graph  | |||||||||||||||||||||||
 kJ | 133 | 55 | 117 | 194 | 175 | 193 | 184 | 200 | 239 | 283 | 368 | 503 | 493 | 460 | 537 | 537 | 493 | 493 | 482 | 460 | 450 | 392 | 339 |
Wind (km/h) | |||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | cross | cross-on | cross-on | cross-on | cross | cross | cross | cross | cross | cross-on | cross-on | cross-on | cross-on | cross | cross | cross | cross | cross-on | cross-on | cross-on | cross-on | cross-on |
High Tide | 11:52AM0.74m | 12:36PM0.79m | 11:16PM0.41m | 1:09PM0.83m | |||||||||||||||||||
Low Tide | 2:58AM0.24m | 4:24AM0.22m | 8:02PM0.38m | 5:27AM0.18m | 8:07PM0.35m | ||||||||||||||||||
 |  | |  | |  | | | | | | | | | | | | | | |  | | | |
 | 6:03 | — | — | — | — | — | — | — | 6:03 | — | — | — | — | — | — | — | 6:03 | — | — | — | — | — | — |
 | — | — | — | — | 6:46 | — | — | — | — | — | — | — | 6:45 | — | — | — | — | — | — | — | 6:45 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | — | — |
Temp °C | 26 | 27 | 28 | 28 | 28 | 27 | 27 | 26 | 26 | 27 | 28 | 28 | 27 | 26 | 26 | 26 | 26 | 27 | 28 | 28 | 27 | 26 | 26 |
Feels °C | 28 | 28 | 29 | 29 | 29 | 28 | 28 | 26 | 26 | 27 | 28 | 28 | 26 | 26 | 25 | 25 | 25 | 26 | 27 | 28 | 28 | 26 | 27 |
Swell 1 Height (m) Direction Period (s) | NE 7 | NE 7 | W 10 | W 10 | W 11 | NNE 7 | W 10 | W 10 | W 10 | W 10 | WNW 10 | WNW 10 | WNW 10 | WNW 10 | WNW 10 | WNW 10 | WNW 10 | WNW 10 | WNW 10 | W 9 | WNW 10 | WNW 11 | WNW 12 |
| kJ | 46 | 55 | 31 | 35 | 37 | 15 | 32 | 31 | 17 | 17 | 19 | 19 | 21 | 21 | 20 | 20 | 20 | 19 | 9 | 7 | 9 | 12 | 14 |
Swell 2 Height (m) Direction Period (s) | W 10 | W 10 | W 9 | W 9 | W 9 | W 11 | NNE 7 | NNE 7 | W 9 | W 11 | W 10 | W 10 | W 10 | W 10 | W 10 | W 10 | NW 13 | NW 12 | WNW 12 | WNW 11 | WNW 11 | W 9 | W 9 |
| kJ | 18 | 18 | 1 | 2 | 2 | 36 | 15 | 9 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 7 | 6 | 14 | 13 | 12 | 2 | 6 |
Swell 3 Height (m) Direction Period (s) | W 10 | N 8 | N 8 | N 8 | N 8 | W 9 | W 9 | W 9 | N 8 | N 8 | N 8 | N 8 | N 8 | N 8 | W 14 | NW 14 | W 9 | W 9 | W 9 | W 9 | W 9 | — | W 9 |
| kJ | 2 | 1 | 1 | 1 | 1 | 2 | 1 | 2 | 1 | 1 | 1 | 1 | 1 | 1 | 4 | 7 | 2 | 2 | 2 | 2 | 2 | — | 2 |
Wind waves Height (m) Direction Period (s) | E 8 | E 4 | E 5 | ENE 6 | E 6 | E 7 | E 7 | E 7 | E 7 | E 8 | E 8 | E 8 | E 8 | E 8 | E 9 | E 9 | E 9 | E 9 | E 9 | E 8 | E 8 | E 8 | E 8 |
| kJ | 133 | 50 | 117 | 194 | 175 | 193 | 184 | 200 | 239 | 283 | 368 | 503 | 493 | 460 | 537 | 537 | 493 | 493 | 482 | 460 | 450 | 392 | 339 |
Nearest Offshore or Glassy | |||||||||||||||||||||||
Distance (km) | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 71 | 58 | 58 |
Best forecast wave conditions in Big Island | |||||||||||||||||||||||
Best forecast wave conditions in United States | |||||||||||||||||||||||
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