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Porpoise Bay Surf Forecast
/ Catlins (9 surf breaks) /
Surf Forecasts:
Porpoise Bay surfForecast / Catlins / New Zealand
48hr Weather and Surf, issued 5 am Monday 08 Sep 2025 NZST
How big are the waves at Porpoise Bay today?
The current surf forecast for Porpoise Bay at 9AM is: 2.2m 12s primary swell from a South-southwest direction and 0.2m 12s secondary swell from a East-southeast direction (forecast issued at 05:00am September 08). An open ocean swell of 0.5m 3s is not directed at the surf break. The wind direction is predicted to be offshore and the swell rating is 4.
| Time (NZST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (08 Sep) | 7ft (2.2m) | 12s |
| Afternoon (08 Sep) | 4.5ft (1.3m) | 12s |
| Evening (08 Sep) | 4.5ft (1.3m) | 12s |
Table - waves today at Porpoise Bay. (Swell directed towards the surf break)
Monday 08 | Tuesday 09 | Wednesday 10 | Thu 11 | |||||||||||||||||||||
| 3 AM | 6 AM | 9 AM | 12 PM | 3 PM | 6 PM | 9 PM | 0 AM | 3 AM | 6 AM | 9 AM | 12 PM | 3 PM | 6 PM | 9 PM | 0 AM | 3 AM | 6 AM | 9 AM | 12 PM | 3 PM | 6 PM | 9 PM | 0 AM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 13 | 12 | 12 | 12 | 12 | 12 | 12 | 11 | 11 | 11 | 23 | 22 | 21 | 21 | 19 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 15 | 15 |
Wave (?)Graph  | ||||||||||||||||||||||||
| Energy (?) | 2273 | 1663 | 1382 | 912 | 822 | 885 | 601 | 482 | 271 | 224 | 233 | 247 | 252 | 290 | 356 | 508 | 642 | 578 | 570 | 578 | 699 | 736 | 977 | 1281 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- off | cross- off | off | off | glass | cross- off | off | off | off | off | cross- off | off | off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross | cross | cross | cross | cross |
High Tide / height (m) | 1:58AM 2.27 | 2:25PM 2.31 | 2:41AM 2.34 | 3:08PM 2.33 | 3:27AM 2.36 | 3:53PM 2.31 | ||||||||||||||||||
Low Tide / height (m) | 8:09AM 0.02 | 8:32PM 0.10 | 8:54AM -0.01 | 9:16PM 0.07 | 9:41AM 0.02 | 10:04PM 0.09 | ||||||||||||||||||
Monday 08 | Tuesday 09 | Wednesday 10 | Thu 11 | |||||||||||||||||||||
| Sunrise | - | - | 7:01 | - | - | - | - | - | - | - | 6:58 | - | - | - | - | - | - | - | 6:56 | - | - | - | - | - |
| Sunset | - | - | - | - | - | 6:22 | - | - | - | - | - | - | - | 6:22 | - | - | - | - | - | - | - | 6:23 | - | - |
 |  |  | | | | | |  | |  | | |  | |  | | |  | | | | | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | 2 | - | - | 1 | 1 | 2 | 1 | 1 | 1 |
| Temp. °C | 6 | 4 | 5 | 9 | 11 | 11 | 7 | 6 | 5 | 6 | 7 | 11 | 13 | 13 | 10 | 8 | 7 | 6 | 6 | 7 | 7 | 6 | 5 | 5 |
| Feels °C (?) | 1 | -1 | 1 | 6 | 8 | 8 | 3 | 2 | 0 | 1 | 2 | 7 | 9 | 9 | 4 | 2 | 3 | 1 | 0 | 1 | 0 | -1 | -2 | -3 |
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Live Wave Height (m)
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Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
Recent Eyeball Surf Reports for Catlins
Continuing clean conditions at Porpoise Bay (calm at Georgetown wx 59 km from Porpoise Bay). 2.1m 10s swell from the S with a 0.5m 12s groundswell from the SSW. 2 swells combining to make bigger set waves.
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