Surf Forecasts:
How big are the waves at Porpoise Bay today (20 Aug):
- Morning surf: Morning surf (20 Aug, local time) - 7ft (2.2m), 16s period with SSW swell.
- Afternoon surf: Afternoon surf (20 Aug, local time) - 7ft (2.1m), 16s period with SSW swell.
- Evening surf: Evening surf (20 Aug, local time) - 7ft (2.1m), 15s period with SSW swell.
The current surf forecast for Porpoise Bay at 8PM is: 2.1m 15s primary swell from a South-southwest direction and 0.2m 9s secondary swell from a East direction (forecast issued at 11:00am August 20). The wind direction is predicted to be cross-offshore and the swell rating is 4.
| Time (NZST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (20 Aug) | 7ft (2.2m) | 16s |
| Afternoon (20 Aug) | 7ft (2.1m) | 16s |
| Evening (20 Aug) | 7ft (2.1m) | 15s |
Table - waves today at Porpoise Bay. (Swell directed towards the surf break)
Short Range ForecastModerate rain (total 13mm), heaviest on Sat night. Very mild (max 13°C on Sat morning, min 6°C on Thu night). Mainly strong winds. | |||||||||||||||||||||
Thu 20 | Friday 21 | Saturday 22 | |||||||||||||||||||
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 16 | SSW 16 | SSW 16 | SSW 15 | SSW 15 | SSW 15 | SSW 14 | SSW 14 | SW 14 | SW 14 | SW 14 | SW 14 | SW 13 | SW 13 | SW 13 | SSW 18 | SSW 18 | SW 16 | SSW 16 | SSW 17 | SSW 18 |
Wave Graph  | |||||||||||||||||||||
 kJ | 2354 | 2257 | 2028 | 2126 | 1885 | 1546 | 1301 | 982 | 514 | 440 | 285 | 221 | 205 | 205 | 136 | 124 | 184 | 125 | 237 | 377 | 352 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | cross-off | cross | cross | cross-off | cross-off | cross-off | off | off | cross-off | cross-off | cross-off | cross-off | off | cross-off | cross-off | off | off | cross-off | cross-off | off |
High Tide | 7:56AM1.82m | 8:21PM1.76m | 9:01AM1.78m | 9:27PM1.73m | 10:07AM1.79m | ||||||||||||||||
Low Tide | 2:14PM0.66m | 2:41AM0.64m | 3:15PM0.71m | 3:40AM0.65m | 4:13PM0.70m | ||||||||||||||||
 | | |  |  |  | | | | | | | | | | | | | |  | | |
 | 7:35 | — | — | — | — | — | — | 7:35 | — | — | — | — | — | — | — | 7:33 | — | — | — | — | — |
 | — | — | 5:58 | — | — | — | — | — | — | — | 5:59 | — | — | — | — | — | — | — | — | 6:00 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | — |
Temp °C | 9 | 9 | 10 | 9 | 8 | 8 | 7 | 6 | 6 | 9 | 12 | 12 | 12 | 12 | 11 | 11 | 10 | 13 | 13 | 11 | 10 |
Feels °C | 5 | 4 | 5 | 4 | 4 | 4 | 3 | 2 | 2 | 4 | 6 | 5 | 5 | 4 | 4 | 6 | 6 | 9 | 9 | 8 | 7 |
Swell 1 Height (m) Direction Period (s) | SSW 16 | SSW 16 | SSW 16 | SSW 15 | SSW 15 | SSW 15 | SSW 14 | SSW 14 | SW 14 | SW 14 | SW 14 | SW 14 | SW 13 | SW 13 | SW 13 | SW 13 | SSW 18 | SW 16 | SSW 16 | SSW 17 | SSW 18 |
| kJ | 2354 | 2257 | 2028 | 2126 | 1885 | 1546 | 1301 | 982 | 514 | 440 | 285 | 221 | 205 | 205 | 136 | 82 | 184 | 125 | 237 | 377 | 352 |
Swell 2 Height (m) Direction Period (s) | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | SSW 10 | S 10 | S 10 | S 10 | S 10 | S 10 | S 10 | S 10 | S 10 | S 9 | S 9 | S 9 | SW 15 |
| kJ | 7 | 7 | 6 | 6 | 6 | 6 | 6 | 6 | 170 | 125 | 122 | 125 | 96 | 71 | 48 | 47 | 44 | 27 | 26 | 26 | 134 |
Swell 3 Height (m) Direction Period (s) | ESE 11 | SE 11 | SE 13 | SE 13 | SE 12 | SE 12 | SE 12 | SE 12 | E 9 | E 9 | E 10 | E 10 | E 11 | WNW 4 | SSW 16 | SSW 18 | SW 13 | SW 7 | SW 7 | SW 7 | ENE 6 |
| kJ | 13 | 5 | 7 | 7 | 6 | 6 | 6 | 6 | 6 | 6 | 2 | 8 | 9 | 3 | 53 | 124 | 41 | 13 | 12 | 8 | 7 |
Wind waves Height (m) Direction Period (s) | — | — | W 4 | — | — | WNW 4 | WNW 4 | NW 4 | NNW 4 | NNW 4 | NW 4 | NW 4 | NW 4 | N 4 | NNW 4 | NW 4 | NW 4 | — | — | W 4 | W 4 |
| kJ | — | — | 21 | — | — | 11 | 13 | 10 | 8 | 12 | 12 | 12 | 14 | 16 | 28 | 32 | 10 | — | — | 13 | 33 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 34 | 34 | 34 | 34 | 0 | 0 | 0 | 0 | 0 | 34 | 34 | 34 | 34 | 42 | 45 | 45 | 0 | 0 | 34 | 0 | 0 |
Best forecast wave conditions in Catlins | |||||||||||||||||||||
Best forecast wave conditions in New Zealand | |||||||||||||||||||||
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