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Surf Forecasts:
Porpoise Bay surfForecast / Catlins / New Zealand
48hr Weather and Surf, issued 12 am Tuesday 16 Dec 2025 NZDTForecast update in hr min s Forecast update imminent
Porpoise Bay surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Porpoise Bay sea temperature is
14.5° C
(Which is 3.2°C warmer than normal for this time of year)How big are the waves at Porpoise Bay today?
The current surf forecast for Porpoise Bay at 3AM is: 0.8m 18s primary swell from a Southwest direction (forecast issued at 12:00am December 16). An open ocean swell of 0.7m 8s is not directed at the surf break. The wind direction is predicted to be offshore and the swell rating is 2.
| Time (NZDT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (16 Dec) | 3ft (0.9m) | 17s |
| Afternoon (16 Dec) | 4.5ft (1.3m) | 16s |
| Evening (16 Dec) | 3.5ft (1.0m) | 16s |
Table - waves today at Porpoise Bay. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Tuesday 16 | Wednesday 17 | Thursday 18 | ||||||||||||||||||||||
| 10 PM | 1 AM | 4 AM | 7 AM | 10 AM | 1 PM | 4 PM | 7 PM | 10 PM | 1 AM | 4 AM | 7 AM | 10 AM | 1 PM | 4 PM | 7 PM | 10 PM | 1 AM | 4 AM | 7 AM | 10 AM | 1 PM | 4 PM | 7 PM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |  |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 13 | 14 | 18 | 17 | 17 | 16 | 16 | 16 | 15 | 16 | 15 | 15 | 14 | 14 | 14 | 13 | 13 | 13 | 12 | 12 | 12 | 12 | 11 | 12 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 84 | 96 | 370 | 354 | 553 | 746 | 943 | 573 | 465 | 964 | 1417 | 1343 | 1307 | 1271 | 1083 | 933 | 755 | 659 | 479 | 367 | 309 | 293 | 326 | 403 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | glass | cross- off | cross- off | cross- off | cross- off | cross- on | cross- on | cross- off | cross- on | cross- on | cross | cross | cross- off | cross | cross | cross | cross- off | cross- off | cross- off | cross- off | cross- off | cross | cross- off | cross- off |
High Tide / height (m) | 12:28AM 1.90 | 12:47PM 1.89 | 1:13AM 1.94 | 1:29PM 1.91 | 1:55AM 1.99 | 2:10PM 1.95 | ||||||||||||||||||
Low Tide / height (m) | 6:29AM 0.52 | 6:49PM 0.48 | 7:13AM 0.52 | 7:30PM 0.45 | 7:56AM 0.51 | |||||||||||||||||||
Tuesday 16 | Wednesday 17 | Thursday 18 | ||||||||||||||||||||||
| Sunrise | - | - | - | 5:43 | - | - | - | - | - | - | - | 5:43 | - | - | - | - | - | - | - | 5:43 | - | - | - | - |
| Sunset | - | - | - | - | - | - | - | 9:32 | - | - | - | - | - | - | - | 9:34 | - | - | - | - | - | - | - | 9:35 |
 | |  |  |  | |  | |  |  |  |  | | | | | | | | | | | | | |
Rain (mm) | - | - | 1 | - | - | - | 1 | 4 | 1 | - | - | - | - | - | - | - | 1 | - | - | - | - | - | - | 2 |
| Temp. °C | 11 | 11 | 11 | 10 | 12 | 14 | 12 | 11 | 11 | 9 | 9 | 9 | 11 | 13 | 13 | 13 | 10 | 10 | 10 | 10 | 12 | 17 | 15 | 13 |
| Feels °C (?) | 10 | 9 | 9 | 7 | 9 | 10 | 10 | 8 | 6 | 5 | 5 | 5 | 7 | 9 | 8 | 9 | 7 | 7 | 6 | 6 | 9 | 15 | 11 | 6 |
- Map Icons:
Break
Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
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