Surf Forecasts:
How big are the waves at Shark Alley today (16 Sep):
- Afternoon surf: Afternoon surf (16 Sep, local time) - 1ft (0.3m), 11s period with NE swell.
- Evening surf: Evening surf (16 Sep, local time) - 0.5ft (0.2m), 12s period with ENE swell.
The current surf forecast for Shark Alley at 10PM is: 0.2m 12s primary swell from a East-northeast direction and 0.1m 10s secondary swell from a Northeast direction (forecast issued at 05:00pm September 16). The wind direction is predicted to be cross-onshore.
| Time (NZST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (16 Sep) | - | - |
| Afternoon (16 Sep) | 1ft (0.3m) | 11s |
| Evening (16 Sep) | 0.5ft (0.2m) | 12s |
Table - waves today at Shark Alley. (Swell directed towards the surf break)
Short Range ForecastLight rain (total 9mm), mostly falling on Thu night. Very mild (max 16°C on Thu morning, min 13°C on Wed afternoon). Mainly near gales. | |||||||||||||||||||
Wed 16 | Thursday 17 | Friday 18 | |||||||||||||||||
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) | NE 11 | NE 12 | ENE 12 | NE 12 | ENE 12 | ESE 13 | NNW 4 | NNW 5 | N 5 | N 6 | N 6 | N 6 | N 7 | N 8 | N 8 | N 8 | NNE 8 | NE 9 | NE 9 |
Wave Graph  | |||||||||||||||||||
 kJ | 18 | 23 | 15 | 23 | 14 | 17 | 21 | 56 | 71 | 94 | 139 | 219 | 388 | 604 | 781 | 893 | 497 | 193 | 118 |
Wind (km/h) | |||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross-off | cross | cross-on | cross | cross | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross | cross | cross-on | cross-off | off | off |
High Tide | 10:57PM2.15m | 11:26AM2.13m | 11:39PM2.06m | 12:08PM2.04m | |||||||||||||||
Low Tide | 4:35PM0.59m | 4:56AM0.57m | 5:20PM0.68m | 5:38AM0.65m | 6:09PM0.76m | ||||||||||||||
 |  |  | | | | | | | |  | | | |  | | |  |  | |
 | — | — | — | — | — | 6:15 | — | — | — | — | — | — | — | 6:13 | — | — | — | — | — |
 | — | 6:08 | — | — | — | — | — | — | — | 6:09 | — | — | — | — | — | — | — | 6:09 | — |
mm | — | — | — | — | — | — | — | — | — | — | 1 | 1 | 2 | 3 | — | — | — | 1 | 1 |
Temp °C | 13 | 15 | 14 | 15 | 15 | 15 | 15 | 16 | 16 | 15 | 16 | 15 | 14 | 14 | 13 | 13 | 13 | 13 | 13 |
Feels °C | 9 | 11 | 11 | 12 | 12 | 11 | 10 | 11 | 11 | 8 | 10 | 8 | 6 | 10 | 8 | 9 | 10 | 5 | 2 |
Swell 1 Height (m) Direction Period (s) | NE 11 | NE 12 | ENE 12 | NE 12 | ENE 12 | ENE 12 | ENE 12 | NE 12 | NE 12 | NE 12 | ESE 10 | ENE 11 | NE 11 | ESE 12 | ESE 12 | N 8 | NNE 8 | NE 9 | NE 9 |
| kJ | 18 | 23 | 15 | 23 | 14 | 14 | 14 | 22 | 22 | 22 | 10 | 13 | 5 | 14 | 14 | 719 | 497 | 193 | 118 |
Swell 2 Height (m) Direction Period (s) | ENE 13 | SE 10 | NE 10 | SE 10 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | ESE 11 | ESE 10 | NE 12 | ESE 10 | ESE 10 | SE 9 | SE 15 | ESE 13 | ESE 13 | NNW 8 | NNW 8 |
| kJ | 16 | 4 | 4 | 4 | 9 | 9 | 9 | 9 | 12 | 11 | 21 | 9 | 9 | 3 | 8 | 17 | 34 | 138 | 73 |
Swell 3 Height (m) Direction Period (s) | SE 10 | N 11 | SE 10 | NE 10 | NE 10 | ESE 13 | ESE 13 | ESE 13 | E 13 | E 13 | ESE 12 | E 12 | ESE 12 | SE 15 | SE 9 | SE 9 | SE 9 | ESE 12 | ESE 12 |
| kJ | 4 | 2 | 4 | 4 | 4 | 17 | 16 | 17 | 3 | 3 | 14 | 3 | 14 | 9 | 3 | 3 | 3 | 30 | 29 |
Wind waves Height (m) Direction Period (s) | WSW 2 | WSW 2 | — | NNW 2 | NNW 3 | NNW 4 | NNW 4 | NNW 5 | N 5 | N 6 | N 6 | N 6 | N 7 | N 8 | N 8 | N 8 | — | SW 4 | SW 6 |
| kJ | 1 | 1 | — | 1 | 1 | 6 | 21 | 56 | 71 | 94 | 139 | 219 | 388 | 604 | 781 | 893 | — | 18 | 216 |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 313 | 238 | 99 | 115 | 117 | 115 | 313 | 313 | 117 | 117 | 115 | 115 | 113 | 36 | 36 | 49 | 0 | 51 | 163 |
Best forecast wave conditions in Great Barrier Island | |||||||||||||||||||
Best forecast wave conditions in New Zealand | |||||||||||||||||||
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