Surf Forecasts:
Porpoise Bay surf forecast from 17 Aug 2026:
- Best quality surf: Thursday 20 Aug, 6PM (local time) - 7ft (2.2m), 15s period, SSW swell with cross-offshore winds.
- Most powerful swell: Monday 24 Aug, 3AM (local time) - 16ft (5.0m), 17s period, SSW swell with 14,218 kJ wave energy.
- Next surfable swell (1★+): Thursday 20 Aug, 6PM (local time) - 7ft (2.2m), 15s period with SSW swell.
Best Forecast Surf Conditions for Porpoise Bay this week:
The surf forecast for Porpoise Bay over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Thursday (Aug 20) at 6PM. The primary swell is predicted to be 2.2m and 15s period with a secondary swell of 0.2m and 9s. The wind is predicted to be cross-offshore as the swell arrives.
The most powerful waves expected at Porpoise Bay in the next 16 days are 5.0m 17s and forecast to arrive on Monday (Aug 24) at 3AM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 2.5m 7s period and expected on Sunday (Aug 23) at 9PM.
| Wave Type | Time (NZST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 6PM (Thu 20th Aug) | 7ft (2.2m) 15s |
| Best Surf | 6PM (Thu 20th Aug) | 7ft (2.2m) 15s |
| Most Powerful | 3AM (Mon 24th Aug) | 16ft (5.0m) 17s |
Table - best surf conditions forecast for Porpoise Bay over the next 16 days.
Short Range ForecastLight rain (total 7mm), mostly falling on Mon night. Very mild (max 10°C on Mon night, min 8°C on Mon morning). Mainly fresh winds. | Days 4-6 Weather SummaryModerate rain (total 14mm), heaviest on Sat night. Very mild (max 13°C on Fri afternoon, min 6°C on Thu night). Winds increasing (light winds from the NW on Thu night, strong winds from the W by Sat night). | ||||||||||||||||||||
Monday 17 | Tuesday 18 | Wednesday 19 | Thursday 20 | Friday 21 | Saturday 22 | Sunday 23 | |||||||||||||||
AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | |
Swell Height Map |  |  |  |  |  |  |  | ||||||||||||||
Wave Height (m) Direction Period (s) | SSW 14 | SSW 13 | SSW 8 | SSW 11 | SSW 16 | SSW 15 | SSW 14 | SSW 14 | SSW 12 | SSW 16 | SSW 16 | SSW 14 | SSW 14 | SW 14 | SW 13 | SW 12 | SW 12 | SW 15 | SW 15 | SSW 17 | SSW 17 |
Wave Graph  | |||||||||||||||||||||
 kJ | 1826 | 1110 | 875 | 2558 | 5502 | 4415 | 2831 | 2140 | 1354 | 2164 | 2028 | 1582 | 774 | 322 | 418 | 324 | 278 | 1941 | 9465 | 10087 | 12441 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | cross-on | cross-on | cross-on | cross-on | cross | cross | cross | cross | cross | cross-off | off | cross-off | cross-off | cross-off | cross-off | cross-off | cross | cross-off | cross-off | cross-off |
High Tide | 5:38PM2.08m | 6:03AM2.04m | 6:27PM1.95m | 6:56AM1.92m | 7:21PM1.84m | 7:56AM1.82m | 8:21PM1.76m | 9:01AM1.78m | 9:27PM1.73m | 10:07AM1.79m | 10:29PM1.75m | 11:03AM1.84m | 11:21PM1.81m | ||||||||
Low Tide | 11:29AM0.26m | 11:53PM0.34m | 12:20PM0.42m | 00:45AM0.46m | 1:15PM0.56m | 1:42AM0.57m | 2:14PM0.66m | 2:41AM0.64m | 3:15PM0.71m | 3:40AM0.65m | 4:13PM0.70m | 4:34AM0.62m | 5:05PM0.65m | ||||||||
 |  |  |  | |  | | |  | | | | | | | | | | | |  | |
 | 7:41 | — | — | 7:39 | — | — | 7:37 | — | — | 7:35 | — | — | 7:35 | — | — | 7:33 | — | — | 7:31 | — | — |
 | — | 5:53 | — | — | 5:54 | — | — | 5:57 | — | — | 5:58 | — | — | 5:59 | — | — | 6:00 | — | — | 6:01 | — |
mm | — | 3 | 4 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 14 | 2 | 2 | 2 |
Temp °C | 9 | 9 | 10 | 9 | 9 | 9 | 9 | 9 | 8 | 9 | 10 | 9 | 12 | 13 | 9 | 13 | 12 | 9 | 9 | 10 | 11 |
Feels °C | 4 | 3 | 4 | 2 | 4 | 5 | 4 | 4 | 3 | 4 | 6 | 6 | 6 | 7 | 3 | 8 | 5 | 1 | -2 | 0 | 2 |
Swell 1 Height (m) Direction Period (s) | SSW 14 | SSW 13 | ENE 9 | SSW 18 | SSW 16 | SSW 15 | SSW 14 | SSW 14 | SSW 12 | SSW 16 | SSW 16 | SSW 14 | SSW 14 | SW 14 | SW 13 | SW 12 | SW 12 | SW 15 | ESE 13 | SSW 17 | SSW 17 |
| kJ | 1826 | 1110 | 17 | 182 | 5502 | 4415 | 2831 | 2140 | 1354 | 2164 | 2028 | 1582 | 774 | 322 | 418 | 324 | 278 | 1941 | 31 | 10087 | 12441 |
Swell 2 Height (m) Direction Period (s) | ENE 10 | ENE 9 | ESE 14 | ENE 11 | ENE 11 | E 10 | E 10 | E 10 | E 10 | E 9 | E 9 | E 9 | E 9 | S 10 | S 9 | SSW 19 | SSW 16 | ESE 14 | — | ESE 13 | — |
| kJ | 18 | 17 | 20 | 22 | 22 | 19 | 8 | 8 | 17 | 7 | 6 | 6 | 1 | 46 | 28 | 140 | 240 | 37 | — | 35 | — |
Swell 3 Height (m) Direction Period (s) | ESE 16 | ESE 15 | ESE 14 | ESE 13 | ESE 13 | ENE 10 | ESE 12 | ESE 12 | ESE 12 | ESE 11 | SE 13 | SE 12 | SE 12 | SE 11 | E 11 | S 9 | S 9 | — | — | — | — |
| kJ | 24 | 22 | 20 | 17 | 17 | 21 | 15 | 15 | 14 | 13 | 7 | 6 | 6 | 5 | 9 | 27 | 14 | — | — | — | — |
Wind waves Height (m) Direction Period (s) | — | SW 5 | SSW 8 | SSW 11 | SW 13 | W 3 | — | — | — | NW 3 | WNW 4 | NW 4 | NNW 4 | WNW 4 | W 6 | WNW 5 | NW 4 | WSW 7 | SW 15 | WNW 6 | WNW 7 |
| kJ | — | 51 | 875 | 2558 | 2106 | 5 | — | — | — | 3 | 11 | 11 | 20 | 50 | 273 | 42 | 18 | 625 | 9465 | 360 | 627 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 34 | 34 | 64 | 301 | 548 | 34 | 34 | 34 | 34 | 34 | 34 | 0 | 34 | 34 | 45 | 34 | 45 | 125 | 301 | 112 | 112 |
Best forecast wave conditions in Catlins | |||||||||||||||||||||
Best forecast wave conditions in New Zealand | |||||||||||||||||||||
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The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our Porpoise Bay surf forecast. Simply grab the html code snippet that we provide and paste it into your own site. You can choose your preferred language and metric/imperial units for the surf forecast feed to suit users of your site. Click here to get the code.
Information about the Porpoise Bay Surf forecast
The above surf forecast table for Porpoise Bay provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Porpoise Bay can be found by selecting the local surf guide option on the grey menu. Our Porpoise Bay surf forecast is unique since it includes wave energy (power) that defines the real feel of the surf rather than just the height or the period. If you surf the same spot (Porpoise Bay) regularly then make a mental note of the wave energy from the surf forecast table each time you go. Very soon you may start to choose your surf days based on the wave energy alone combined with our forecast of favourable offshore wind conditions. Our star ratings will help here and of course you will also find the usual wave height and period predictions on our surf forecasts as well as a full break down of the swell components under our advanced users option (to reveal that, click the little Einstein character under the tide times).
Further information to help with frequently asked questions about our surf forecast for Porpoise Bay may be found under the help tab on the top menu and also by moving your mouse over the question marks on the surf forecast table itself. Please always bear in mind that the forecast is for near-shore open water and local factors at each surf break influence the actual breaking wave height, such as the beach / reef profile, water depths offshore and shelter.
Poro Point is 4 km (2 miles) from San Fernando. If you plan a holiday in West Luzon, look for hotels and other accommodation in San Fernando. San Fernando has rooms for a wide range of budgets as well as car hire and transport links.
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