Surf Forecasts:
How big are the waves at Onemana today (18 Sep):
- Morning surf: Morning surf (18 Sep, local time) - 6ft (1.9m), 7s period with N swell.
- Afternoon surf: Afternoon surf (18 Sep, local time) - 5.5ft (1.7m), 8s period with NNE swell.
- Evening surf: Evening surf (18 Sep, local time) - 5ft (1.5m), 8s period with NNE swell.
The current surf forecast for Onemana at 4AM is: 1.2m 6s primary swell from a North direction and 0.2m 11s secondary swell from a East-northeast direction, 0.1m 9s secondary swell from a East direction (forecast issued at 11:00pm September 17). The wind direction is predicted to be cross-onshore.
| Time (NZST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (18 Sep) | 6ft (1.9m) | 7s |
| Afternoon (18 Sep) | 5.5ft (1.7m) | 8s |
| Evening (18 Sep) | 5ft (1.5m) | 8s |
Table - waves today at Onemana. (Swell directed towards the surf break)
Short Range ForecastModerate rain (total 12mm), heaviest on Thu night. Very mild (max 17°C on Sat morning, min 11°C on Fri night). Winds increasing (calm on Fri afternoon, strong winds from the WSW by Sun morning). | |||||||||||||||||
Friday 18 | Saturday 19 | ||||||||||||||||
9 PM | 12 AM | 3 AM | 6 AM | 9 AM | 12 PM | 3 PM | 6 PM | 9 PM | 12 AM | 3 AM | 6 AM | 9 AM | 12 PM | 3 PM | 6 PM | 9 PM | |
Swell Height Map |  |  |  |  |  |  |  | ||||||||||
Wave Height (m) Direction Period (s) | N 5 | N 6 | N 6 | NNE 6 | N 7 | NNE 8 | NNE 8 | NNE 8 | NNE 8 | NNE 8 | NNE 8 | NNE 8 | NE 8 | NNE 8 | NE 8 | NE 8 | NNE 8 |
Wave Graph  | |||||||||||||||||
 kJ | 34 | 49 | 64 | 165 | 381 | 398 | 422 | 331 | 274 | 209 | 183 | 187 | 143 | 113 | 118 | 73 | 28 |
Wind (km/h) | |||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | cross | cross-on | cross-on | cross-off | cross | cross | glassy | off | off | cross-off | cross-off | cross-off | cross-off | cross-off | off | off |
High Tide | 11:12PM1.63m | 11:43AM1.63m | 11:57PM1.56m | 12:32PM1.57m | |||||||||||||
Low Tide | 5:28AM0.31m | 5:54PM0.44m | 6:13AM0.38m | 6:43PM0.50m | |||||||||||||
 | |  |  |  |  | |  |  | |  | | | | |  | | |
 | — | — | — | 6:11 | — | — | — | — | — | — | — | 6:11 | — | — | — | — | — |
 | — | — | — | — | — | — | — | 6:08 | — | — | — | — | — | — | — | 6:09 | — |
mm | — | — | 1 | 7 | 4 | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 14 | 14 | 14 | 14 | 14 | 15 | 15 | 14 | 11 | 11 | 11 | 11 | 13 | 17 | 16 | 14 | 14 |
Feels °C | 12 | 11 | 11 | 12 | 12 | 12 | 13 | 14 | 9 | 8 | 6 | 7 | 9 | 11 | 11 | 9 | 9 |
Swell 1 Height (m) Direction Period (s) | ENE 11 | ENE 11 | ENE 11 | ENE 11 | NNE 7 | NNE 8 | NNE 8 | NNE 8 | NNE 8 | NNE 8 | NNE 8 | NNE 8 | NE 8 | NNE 8 | NE 8 | NE 8 | NNE 8 |
| kJ | 13 | 12 | 12 | 12 | 278 | 398 | 422 | 331 | 274 | 209 | 183 | 187 | 143 | 113 | 118 | 73 | 28 |
Swell 2 Height (m) Direction Period (s) | E 10 | E 9 | E 9 | E 12 | ENE 11 | E 13 | E 13 | E 12 | E 12 | E 13 | E 13 | E 13 | E 12 | E 7 | E 12 | ENE 10 | ENE 7 |
| kJ | 2 | 2 | 2 | 3 | 12 | 13 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 22 | 3 | 19 | 21 |
Swell 3 Height (m) Direction Period (s) | E 12 | E 12 | E 12 | E 9 | E 12 | — | E 8 | — | — | — | — | — | ESE 12 | E 12 | E 9 | S 3 | ENE 10 |
| kJ | 3 | 3 | 3 | 2 | 3 | — | 1 | — | — | — | — | — | 14 | 3 | 6 | 1 | 18 |
Wind waves Height (m) Direction Period (s) | N 5 | N 6 | N 6 | NNE 6 | N 7 | — | — | — | — | — | SW 2 | SW 3 | — | — | WSW 3 | W 3 | W 3 |
| kJ | 34 | 49 | 64 | 165 | 381 | — | — | — | — | — | 1 | 2 | — | — | 3 | 4 | 5 |
Nearest Offshore or Glassy | |||||||||||||||||
Distance (km) | 107 | 107 | 107 | 40 | 0 | 36 | 40 | 0 | 0 | 0 | 5 | 5 | 5 | 228 | 137 | 219 | 219 |
Best forecast wave conditions in The Coromandel | |||||||||||||||||
Best forecast wave conditions in New Zealand | |||||||||||||||||
Header Global | |||||||||||||||||
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