Surf Forecasts:
How big are the waves at Porpoise Bay today (17 Aug):
- Morning surf: Morning surf (17 Aug, local time) - 7ft (2.2m), 14s period with SSW swell.
- Afternoon surf: Afternoon surf (17 Aug, local time) - 6ft (1.8m), 13s period with SSW swell.
- Evening surf: Evening surf (17 Aug, local time) - 4ft (1.2m), 13s period with SW swell.
The current surf forecast for Porpoise Bay at 6PM is: 1.4m 13s primary swell from a Southwest direction and 1.8m 6s secondary swell from a Southwest direction (forecast issued at 11:00am August 17). An open ocean swell of 0.3m 9s is not directed at the surf break. The wind direction is predicted to be cross-shore.
| Time (NZST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (17 Aug) | 7ft (2.2m) | 14s |
| Afternoon (17 Aug) | 6ft (1.8m) | 13s |
| Evening (17 Aug) | 4ft (1.2m) | 13s |
Table - waves today at Porpoise Bay. (Swell directed towards the surf break)
Short Range ForecastLight rain (total 7mm), mostly falling on Mon night. Very mild (max 10°C on Mon night, min 8°C on Mon morning). Mainly fresh winds. | |||||||||||||||||||||
Mon 17 | Tuesday 18 | Wednesday 19 | |||||||||||||||||||
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) | SSW 14 | SSW 14 | SSW 13 | SW 13 | SW 13 | SSW 8 | SSW 12 | SSW 12 | SSW 11 | SSW 12 | SSW 16 | SSW 15 | SSW 15 | SSW 15 | SSW 15 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 13 | SSW 12 |
Wave Graph  | |||||||||||||||||||||
 kJ | 1826 | 1590 | 1110 | 632 | 494 | 875 | 1989 | 2590 | 2558 | 2441 | 5502 | 5938 | 5246 | 4415 | 3854 | 3339 | 2831 | 2378 | 2140 | 1778 | 1523 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | cross | cross-on | cross | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross | cross | cross-on | cross-on | cross | cross | cross | cross-on | cross |
High Tide | 5:38PM2.08m | 6:03AM2.04m | 6:27PM1.95m | 6:56AM1.92m | 7:21PM1.84m | ||||||||||||||||
Low Tide | 11:29AM0.26m | 11:53PM0.34m | 12:20PM0.42m | 00:45AM0.46m | 1:15PM0.56m | ||||||||||||||||
 |  |  |  |  | |  | | | | | | |  | | | | | | | | |
 | 7:41 | — | — | — | — | — | — | 7:39 | — | — | — | — | — | — | — | 7:37 | — | — | — | — | — |
 | — | — | 5:53 | — | — | — | — | — | — | — | 5:54 | — | — | — | — | — | — | — | 5:57 | — | — |
mm | — | — | 1 | 2 | 3 | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 8 | 9 | 9 | 9 | 10 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 8 | 9 | 9 | 9 | 8 | 9 | 9 | 9 | 8 |
Feels °C | 3 | 4 | 3 | 3 | 4 | 3 | 2 | 1 | 2 | 3 | 4 | 4 | 3 | 5 | 5 | 5 | 3 | 4 | 4 | 4 | 3 |
Swell 1 Height (m) Direction Period (s) | SSW 14 | SSW 14 | SSW 13 | SW 13 | SW 13 | ENE 9 | ENE 10 | ENE 10 | SSW 18 | SSW 17 | SSW 16 | SSW 15 | SSW 15 | SSW 15 | SSW 15 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 13 | SSW 12 |
| kJ | 1826 | 1590 | 1110 | 632 | 494 | 17 | 19 | 20 | 182 | 702 | 5502 | 5938 | 5246 | 4415 | 3854 | 3339 | 2831 | 2378 | 2140 | 1778 | 1523 |
Swell 2 Height (m) Direction Period (s) | ENE 10 | ENE 9 | ENE 9 | ENE 9 | ENE 9 | ESE 14 | ESE 14 | ESE 14 | ENE 11 | ENE 11 | ENE 11 | ENE 10 | E 10 | E 10 | E 10 | E 10 | E 10 | E 10 | E 10 | E 10 | E 10 |
| kJ | 18 | 17 | 17 | 16 | 16 | 20 | 19 | 18 | 22 | 22 | 22 | 20 | 18 | 19 | 19 | 8 | 8 | 8 | 8 | 18 | 17 |
Swell 3 Height (m) Direction Period (s) | ESE 16 | SE 15 | ESE 15 | ESE 15 | ESE 14 | ESE 14 | — | — | ESE 13 | ESE 13 | ESE 13 | ESE 13 | ESE 12 | ENE 10 | ESE 12 | ESE 12 | ESE 12 | ESE 13 | ESE 12 | ESE 13 | ESE 12 |
| kJ | 24 | 37 | 22 | 21 | 20 | 20 | — | — | 17 | 17 | 17 | 17 | 15 | 21 | 15 | 14 | 15 | 16 | 15 | 16 | 15 |
Wind waves Height (m) Direction Period (s) | — | — | SW 5 | SW 6 | SW 7 | SSW 8 | SSW 12 | SSW 12 | SSW 11 | SSW 12 | SW 13 | — | — | W 3 | — | — | — | — | — | — | — |
| kJ | — | — | 51 | 239 | 465 | 875 | 1989 | 2590 | 2558 | 2441 | 2106 | — | — | 5 | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 34 | 34 | 34 | 64 | 64 | 64 | 159 | 301 | 301 | 301 | 548 | 63 | 34 | 34 | 34 | 34 | 34 | 34 | 34 | 63 | 63 |
Best forecast wave conditions in Catlins | |||||||||||||||||||||
Best forecast wave conditions in New Zealand | |||||||||||||||||||||
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