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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 pm Sunday 17 May 2026 NZSTForecast 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
12.9° C
(Which is 2.4°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 12AM is: 0.9m 14s primary swell from a South-southwest direction (forecast issued at 05:00pm May 17). An open ocean swell of 0.2m 11s is not directed at the surf break. The wind direction is predicted to be offshore and the swell rating is 2.
| Time (NZST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (18 May) | 3ft (0.9m) | 17s |
| Afternoon (18 May) | 2.5ft (0.8m) | 16s |
| Evening (18 May) | 2.5ft (0.8m) | 15s |
Table - waves today at Porpoise Bay. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastMostly dry. Very mild (max 12°C on Wed morning, min 7°C on Sun night). Wind will be generally light. | ||||||||||||||||||||||||
Sun 17 | Monday 18 | Tuesday 19 | Wed 20 | |||||||||||||||||||||
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 | 12 AM | 3 AM | 6 AM | 9 AM | 12 PM | |
Swell Height Map |    |    |    |    | ||||||||||||||||||||
SW 14 | SSW 14 | SSW 14 | SSW 14 | SW 13 | SW 13 | SW 17 | SW 16 | SW 16 | SW 15 | SW 15 | SW 15 | SW 16 | SW 15 | SW 14 | SW 14 | SW 13 | SW 13 | SW 14 | SW 14 | SW 14 | SW 13 | SW 13 | SSW 18 | |
469 | 352 | 347 | 318 | 253 | 172 | 424 | 367 | 291 | 191 | 262 | 269 | 291 | 258 | 251 | 198 | 144 | 111 | 119 | 127 | 116 | 87 | 61 | 67 | |
Wind (km/h) | ||||||||||||||||||||||||
cross | glassy | glassy | off | off | cross-off | cross-off | glassy | glassy | glassy | cross-off | off | off | cross-off | off | glassy | glassy | off | off | off | off | off | off | off | |
High Tide | 2:47AM2.32m | 3:20PM2.45m | 3:41AM2.31m | 4:16PM2.41m | 4:38AM2.27m | |||||||||||||||||||
Low Tide | 8:38PM0.10m | 8:59AM0.01m | 9:33PM0.14m | 9:56AM0.03m | 10:32PM0.19m | 10:56AM0.08m | ||||||||||||||||||
 |  | | | | | | | | |  | | | |  |  | |  | | | | | | | |
 | — | — | — | — | — | 8:02 | — | — | — | — | — | — | — | 8:03 | — | — | — | — | — | — | — | 8:03 | — | — |
 | 5:17 | — | — | — | — | — | — | — | 5:16 | — | — | — | — | — | — | — | 5:15 | — | — | — | — | — | — | 5:15 |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 9 | 8 | 8 | 8 | 8 | 7 | 7 | 8 | 8 | 8 | 8 | 8 | 7 | 7 | 8 | 8 | 9 | 9 | 10 | 11 | 11 | 10 | 10 | 12 |
7 | 7 | 7 | 6 | 6 | 5 | 5 | 7 | 6 | 7 | 6 | 6 | 4 | 4 | 5 | 6 | 7 | 6 | 7 | 7 | 8 | 6 | 6 | 9 | |
Swell 1 Height (m) Direction Period (s) | SW 14 | SSW 14 | SSW 14 | SSW 14 | SW 13 | SW 13 | SW 17 | SW 16 | SW 16 | SW 15 | SW 15 | SW 15 | SW 16 | SW 15 | SW 14 | SW 14 | SW 13 | SW 13 | SW 14 | SW 14 | SW 14 | SW 13 | SW 13 | SW 12 |
 kJ | 469 | 352 | 347 | 318 | 253 | 172 | 424 | 367 | 291 | 191 | 262 | 269 | 291 | 258 | 251 | 198 | 144 | 111 | 119 | 127 | 116 | 87 | 61 | 55 |
Swell 2 Height (m) Direction Period (s) | E 11 | ENE 11 | ENE 11 | ENE 11 | ENE 11 | SSW 17 | E 10 | S 9 | SW 7 | SSW 16 | S 8 | E 10 | E 10 | E 10 | E 9 | E 9 | E 9 | ENE 9 | SSW 20 | SSW 20 | SSW 20 | SSW 21 | S 21 | SSW 18 |
| kJ | 10 | 12 | 12 | 12 | 11 | 117 | 9 | 6 | 13 | 84 | 5 | 8 | 8 | 7 | 7 | 7 | 7 | 8 | 37 | 37 | 39 | 43 | 35 | 67 |
Swell 3 Height (m) Direction Period (s) | NE 4 | NE 4 | S 10 | S 10 | S 20 | ENE 11 | ENE 10 | E 10 | S 9 | S 9 | E 10 | S 8 | S 8 | SE 12 | S 21 | SE 11 | — | S 20 | E 9 | E 9 | E 9 | E 11 | E 10 | E 10 |
| kJ | 1 | 1 | 2 | 2 | 30 | 11 | 11 | 8 | 13 | 6 | 8 | 5 | 1 | 5 | 9 | 4 | — | 8 | 7 | 2 | 2 | 9 | 2 | 2 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | WNW 2 | — | — | — | NNW 2 | NW 3 | NW 3 | NNW 3 | NNW 3 |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | — | — | — | 1 | 2 | 2 | 3 | 4 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 34 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
Best forecast wave conditions in Catlins | ||||||||||||||||||||||||
Best forecast wave conditions in New Zealand | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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