Surf Forecasts:
How big are the waves at Onekaka today (21 Sep):
- Morning surf: Morning surf (21 Sep, local time) - 0.5ft (0.2m), 3s period with ENE swell.
The current surf forecast for Onekaka at 8AM is: 0.2m 3s primary swell from a East-northeast direction (forecast issued at 05:00am September 21). An open ocean swell of 0.5m 16s is not directed at the surf break, a second open ocean swell of 0.4m 6s is not directed at the surf break. The wind direction is predicted to be offshore.
| Time (NZST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (21 Sep) | 0.5ft (0.2m) | 3s |
| Afternoon (21 Sep) | - | - |
| Evening (21 Sep) | - | - |
Table - waves today at Onekaka. (Swell directed towards the surf break)
Short Range ForecastLight rain (total 6mm), mostly falling on Wed afternoon. Very mild (max 17°C on Mon afternoon, min 5°C on Wed night). Wind will be generally light. | |||||||||||||||||||||||
Monday 21 | Tuesday 22 | Wednesday 23 | |||||||||||||||||||||
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 | 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) | ENE 4 | ENE 4 | ENE 3 | NW 16 | NW 4 | NW 15 | NW 6 | WNW 15 | NW 5 | NW 5 | NW 6 | SE 2 | NNE 3 | NW 6 | E 4 | E 4 | NW 11 | NW 11 | NW 16 | NW 17 | NE 2 | NE 3 | E 4 |
Wave Graph  | |||||||||||||||||||||||
 kJ | 5 | 2 | 1 | 0 | 0 | 0 | 0 | 0 | 17 | 28 | 0 | 2 | 3 | 0 | 6 | 1 | 0 | 0 | 0 | 0 | 1 | 4 | 12 |
Wind (km/h) | |||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | off | off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | off | glassy | off | cross-off | cross-off | cross-off | cross-off | off | cross-off | cross-on | cross-on | cross-off | glassy |
High Tide | 4:31AM2.98m | 5:09PM2.99m | 5:50AM3.10m | 6:40PM3.21m | 6:51AM3.32m | 7:30PM3.55m | |||||||||||||||||
Low Tide | 10:26AM1.58m | 11:40PM1.58m | 11:58AM1.43m | 00:44AM1.37m | 1:05PM1.12m | ||||||||||||||||||
 |  |  |  | | | | | |  | | | | | | | | | |  |  | | | |
 | — | 6:20 | — | — | — | — | — | — | — | 6:18 | — | — | — | — | — | — | — | 6:16 | — | — | — | — | — |
 | — | — | — | — | — | 6:23 | — | — | — | — | — | — | — | 6:24 | — | — | — | — | — | — | — | 6:25 | — |
mm | — | — | — | — | — | — | — | — | — | 1 | — | — | — | — | — | — | — | — | — | — | 1 | 2 | 1 |
Temp °C | 7 | 6 | 11 | 16 | 17 | 13 | 9 | 9 | 10 | 12 | 13 | 14 | 14 | 11 | 11 | 10 | 10 | 7 | 10 | 10 | 8 | 6 | 6 |
Feels °C | 4 | 3 | 8 | 12 | 13 | 9 | 5 | 5 | 8 | 11 | 11 | 12 | 8 | 6 | 8 | 7 | 7 | 4 | 7 | 7 | 5 | 4 | 4 |
Swell 1 Height (m) Direction Period (s) | WNW 16 | NW 16 | WNW 16 | — | NNW 5 | NW 15 | WNW 15 | WNW 15 | WNW 14 | WNW 14 | NW 6 | NNW 6 | NNW 6 | ESE 5 | E 4 | NW 11 | NW 5 | NW 11 | NW 16 | NW 17 | NW 17 | NW 17 | NW 16 |
| kJ | 181 | 129 | 99 | — | 19 | 109 | 21 | 84 | 21 | 20 | 33 | 25 | 14 | 7 | 6 | 18 | 4 | 30 | 125 | 142 | 143 | 138 | 133 |
Swell 2 Height (m) Direction Period (s) | ENE 4 | ENE 4 | ENE 3 | NNW 16 | NNW 15 | NW 15 | NW 15 | NW 15 | W 8 | NW 15 | WNW 14 | NW 14 | WNW 11 | WNW 11 | WNW 11 | WNW 15 | NW 11 | WNW 15 | NNW 6 | SSE 3 | NW 6 | NW 6 | ENE 4 |
| kJ | 5 | 2 | 1 | 24 | 23 | 9 | 9 | 9 | 1 | 8 | 20 | 8 | 11 | 12 | 12 | 23 | 18 | 22 | 4 | 1 | 1 | 1 | 5 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | N 6 | — | — | NW 11 | E 3 | NNE 3 | NW 6 | E 4 | WNW 15 | — | — | — | — | — | NW 6 |
| kJ | — | — | — | — | — | — | — | — | 1 | — | — | 4 | 1 | 1 | 6 | 1 | 22 | — | — | — | — | — | 1 |
Wind waves Height (m) Direction Period (s) | — | — | NW 6 | NW 16 | NW 4 | NW 4 | NW 6 | WNW 6 | NW 5 | NW 5 | — | SE 2 | NNE 3 | NW 6 | WNW 3 | NW 5 | — | — | — | — | NE 2 | NE 3 | E 4 |
| kJ | — | — | 9 | 349 | 35 | 26 | 33 | 41 | 17 | 28 | — | 2 | 3 | 14 | 1 | 6 | — | — | — | — | 1 | 4 | 12 |
Nearest Offshore or Glassy | |||||||||||||||||||||||
Distance (km) | 134 | 91 | 91 | 134 | 134 | 91 | 91 | 91 | 91 | 201 | 186 | 79 | 173 | 134 | 134 | 186 | 186 | 144 | 79 | 27 | 27 | 27 | 91 |
Best forecast wave conditions in Nelson - Tasman Bay | |||||||||||||||||||||||
Best forecast wave conditions in New Zealand | |||||||||||||||||||||||
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