Surf Forecasts:
How big are the waves at Porpoise Bay today (21 Sep):
- Afternoon surf: Afternoon surf (21 Sep, local time) - 5.5ft (1.7m), 15s period with SW swell.
- Evening surf: Evening surf (21 Sep, local time) - 7ft (2.1m), 16s period with SSW swell.
The current surf forecast for Porpoise Bay at 9PM is: 2.1m 16s primary swell from a South-southwest direction and 0.2m 10s secondary swell from a East direction, 1.9m 6s secondary swell from a Southwest direction (forecast issued at 05:00pm September 21). The wind direction is predicted to be cross-shore.
| Time (NZST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (21 Sep) | - | - |
| Afternoon (21 Sep) | 5.5ft (1.7m) | 15s |
| Evening (21 Sep) | 7ft (2.1m) | 16s |
Table - waves today at Porpoise Bay. (Swell directed towards the surf break)
Short Range ForecastHeavy rain (total 27mm), heaviest during Mon afternoon. Very mild (max 16°C on Mon afternoon, min 5°C on Tue night). Winds decreasing (strong winds from the W on Tue afternoon, moderate winds from the WSW by Wed morning). | |||||||||||||||||||
Mon 21 | Tuesday 22 | Wednesday 23 | |||||||||||||||||
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) | SW 15 | SW 16 | SSW 16 | SSW 16 | SW 16 | SW 16 | SSW 16 | SSW 16 | SW 16 | SW 15 | SW 15 | SSW 15 | SW 15 | SW 16 | SSW 16 | SSW 16 | SSW 16 | SSW 16 | SW 16 |
Wave Graph  | |||||||||||||||||||
 kJ | 1289 | 3401 | 2123 | 2834 | 5022 | 4704 | 4161 | 3684 | 8008 | 8975 | 7867 | 7330 | 8705 | 11381 | 5894 | 5672 | 4944 | 2986 | 3528 |
Wind (km/h) | |||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross | cross | cross | cross | cross-off | cross-off | cross-off | cross | cross | cross-on | cross-on | cross-on | cross-on | cross | cross | cross | cross | cross |
High Tide | 10:44PM1.78m | 11:13AM1.88m | 11:28PM1.86m | 11:54AM1.96m | |||||||||||||||
Low Tide | 4:31PM0.65m | 4:49AM0.55m | 5:16PM0.56m | 5:32AM0.45m | 5:56PM0.46m | ||||||||||||||
 |  |  | |  | |  |  |  | |  | | | | | | | |  | |
 | — | — | — | — | — | 6:33 | — | — | — | — | — | — | — | 6:31 | — | — | — | — | — |
 | — | 6:37 | — | — | — | — | — | — | — | 6:39 | — | — | — | — | — | — | — | 6:40 | — |
mm | — | 6 | 3 | 1 | — | — | — | 1 | 2 | 3 | 2 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | — |
Temp °C | 16 | 8 | 7 | 7 | 7 | 6 | 7 | 8 | 7 | 6 | 6 | 5 | 5 | 5 | 6 | 8 | 8 | 8 | 7 |
Feels °C | 10 | 0 | 0 | -1 | -1 | -2 | -1 | -1 | -3 | -3 | -3 | -3 | -2 | -2 | -1 | 1 | 1 | 1 | 1 |
Swell 1 Height (m) Direction Period (s) | SW 15 | ESE 10 | SSW 16 | SSW 16 | ESE 13 | SW 16 | SSW 16 | SSW 16 | ESE 12 | ESE 12 | ESE 12 | ESE 12 | SSW 16 | SSW 16 | SSW 16 | SSW 16 | SSW 16 | SSW 16 | SW 16 |
| kJ | 1289 | 20 | 2123 | 2834 | 17 | 4704 | 4161 | 3684 | 14 | 14 | 14 | 14 | 6831 | 6598 | 5894 | 5672 | 4944 | 2986 | 3528 |
Swell 2 Height (m) Direction Period (s) | S 10 | SE 14 | E 10 | E 10 | — | ESE 13 | ESE 13 | ESE 12 | — | — | — | — | ESE 12 | E 11 | E 11 | E 10 | E 10 | E 10 | S 8 |
| kJ | 125 | 8 | 8 | 8 | — | 17 | 16 | 15 | — | — | — | — | 14 | 9 | 9 | 8 | 8 | 8 | 187 |
Swell 3 Height (m) Direction Period (s) | ESE 10 | — | SE 13 | SE 13 | — | — | — | — | — | — | — | — | — | SE 12 | — | — | SE 11 | SE 11 | E 10 |
| kJ | 10 | — | 7 | 7 | — | — | — | — | — | — | — | — | — | 5 | — | — | 5 | 5 | 7 |
Wind waves Height (m) Direction Period (s) | NW 5 | SW 16 | SW 6 | SW 6 | SW 16 | WNW 5 | WNW 5 | WNW 6 | SW 16 | SW 15 | SW 15 | SSW 15 | SW 15 | SW 16 | — | — | — | SW 8 | — |
| kJ | 49 | 3401 | 287 | 247 | 5022 | 48 | 149 | 208 | 8008 | 8975 | 7867 | 7330 | 8705 | 11381 | — | — | — | 368 | — |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 45 | 120 | 34 | 34 | 64 | 109 | 55 | 112 | 217 | 426 | 512 | 63 | 63 | 34 | 34 | 34 | 34 | 34 | 34 |
Best forecast wave conditions in Catlins | |||||||||||||||||||
Best forecast wave conditions in New Zealand | |||||||||||||||||||
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