Surf Forecasts:
How big are the waves at Porpoise Bay today (28 Aug):
- Morning surf: Morning surf (28 Aug, local time) - 3.5ft (1.1m), 12s period with SW swell.
- Afternoon surf: Afternoon surf (28 Aug, local time) - 3.5ft (1.0m), 10s period with S swell.
- Evening surf: Evening surf (28 Aug, local time) - 6ft (1.9m), 6s period with WSW swell.
The current surf forecast for Porpoise Bay at 2AM is: 1.1m 12s primary swell from a Southwest direction and 1.2m 11s secondary swell from a South direction (forecast issued at 11:00pm August 27). An open ocean swell of 1.6m 8s is not directed at the surf break, a second open ocean swell of 2.0m 8s is not directed at the surf break. The wind direction is predicted to be glassy.
| Time (NZST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (28 Aug) | 3.5ft (1.1m) | 12s |
| Afternoon (28 Aug) | 3.5ft (1.0m) | 10s |
| Evening (28 Aug) | 6ft (1.9m) | 6s |
Table - waves today at Porpoise Bay. (Swell directed towards the surf break)
Short Range ForecastHeavy rain (total 32mm), heaviest during Sat night. Very mild (max 10°C on Fri morning, min 6°C on Sun afternoon). Winds increasing (light winds from the W on Thu night, near gales from the WNW by Sat night). | |||||||||||||||||
Friday 28 | Saturday 29 | ||||||||||||||||
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 13 | SSW 12 | SW 12 | SSW 12 | SW 12 | S 10 | S 10 | SW 11 | WSW 6 | SW 7 | SW 13 | WSW 7 | WSW 7 | WSW 6 | SW 12 | SW 12 | SW 12 |
Wave Graph  | |||||||||||||||||
 kJ | 1104 | 876 | 347 | 384 | 319 | 250 | 200 | 176 | 232 | 109 | 253 | 694 | 771 | 701 | 1102 | 1022 | 1100 |
Wind (km/h) | |||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross | cross | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off |
High Tide | 1:56AM2.09m | 2:20PM2.14m | 2:32AM2.13m | 2:55PM2.16m | |||||||||||||
Low Tide | 7:47PM0.34m | 8:04AM0.22m | 8:24PM0.29m | 8:42AM0.19m | |||||||||||||
 | | | |  | |  | | | |  |  | | |  | | | |
 | — | — | — | 7:22 | — | — | — | — | — | — | — | 7:20 | — | — | — | — | — |
 | — | — | — | — | — | — | — | 6:07 | — | — | — | — | — | — | — | 6:08 | — |
mm | — | — | — | — | — | — | 1 | 1 | — | — | 1 | 1 | 1 | 1 | 1 | — | 1 |
Temp °C | 8 | 8 | 9 | 8 | 8 | 10 | 9 | 9 | 9 | 8 | 8 | 8 | 9 | 8 | 10 | 10 | 9 |
Feels °C | 1 | 5 | 7 | 4 | 5 | 6 | 4 | 2 | 0 | 1 | -1 | -1 | 0 | -2 | 0 | 2 | 2 |
Swell 1 Height (m) Direction Period (s) | SSW 13 | ENE 8 | E 8 | E 8 | S 10 | S 10 | S 10 | ENE 10 | SSE 10 | SW 7 | SW 13 | SSW 20 | SSW 19 | SSW 19 | SW 12 | SW 12 | SW 12 |
| kJ | 1104 | 483 | 283 | 200 | 260 | 250 | 200 | 180 | 160 | 109 | 253 | 298 | 424 | 501 | 1102 | 1022 | 1100 |
Swell 2 Height (m) Direction Period (s) | S 24 | SSW 12 | S 11 | SSW 12 | E 8 | E 9 | E 9 | SSE 10 | SW 11 | SSE 10 | SSE 10 | SW 13 | ENE 9 | SSE 9 | SSW 18 | SSW 18 | SSW 17 |
| kJ | 11 | 876 | 338 | 384 | 161 | 157 | 176 | 163 | 179 | 102 | 74 | 140 | 28 | 17 | 464 | 589 | 717 |
Swell 3 Height (m) Direction Period (s) | — | S 24 | SW 12 | S 11 | SW 12 | SW 12 | SW 11 | SW 11 | ENE 10 | ENE 10 | ENE 10 | S 10 | SSE 9 | ENE 9 | SSE 9 | ENE 8 | ENE 9 |
| kJ | — | 11 | 347 | 275 | 319 | 199 | 176 | 176 | 141 | 82 | 86 | 46 | 17 | 15 | 8 | 7 | 8 |
Wind waves Height (m) Direction Period (s) | ENE 8 | — | — | — | — | — | WNW 2 | W 4 | WSW 6 | WNW 6 | W 6 | WSW 7 | WSW 7 | WSW 6 | W 6 | WNW 6 | WNW 6 |
| kJ | 785 | — | — | — | — | — | 2 | 43 | 232 | 214 | 318 | 694 | 771 | 701 | 368 | 290 | 222 |
Nearest Offshore or Glassy | |||||||||||||||||
Distance (km) | 709 | 107 | 107 | 0 | 0 | 34 | 34 | 34 | 55 | 63 | 64 | 45 | 55 | 109 | 109 | 109 | 109 |
Best forecast wave conditions in Catlins | |||||||||||||||||
Best forecast wave conditions in New Zealand | |||||||||||||||||
Header Global | |||||||||||||||||
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