Surf Forecasts:
Porpoise Bay surf forecast from 18 Sep 2026:
- Best quality surf: Sunday 20 Sep, 3AM (local time) - 20ft (6.0m), 16s period, SW swell with cross-shore winds.
- Most powerful swell: Sunday 20 Sep, 9AM (local time) - 25ft (7.5m), 18s period, SSW swell with 35,956 kJ wave energy.
- Next surfable swell (1★+): Sunday 20 Sep, 3AM (local time) - 20ft (6.0m), 16s period with SW 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 Sunday (Sep 20) at 3AM. The primary swell is predicted to be 6.0m and 16s period with a secondary swell of 0.3m and 11s. The wind is predicted to be cross-shore as the swell arrives.
The most powerful waves expected at Porpoise Bay in the next 16 days are 7.5m 18s and forecast to arrive on Sunday (Sep 20) at 9AM. Winds are predicted to be cross-onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 2.1m 6s period and expected on Saturday (Sep 19) at 3PM.
| Wave Type | Time (NZST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 3AM (Sun 20th Sep) | 20ft (6.0m) 16s |
| Best Surf | 3AM (Sun 20th Sep) | 20ft (6.0m) 16s |
| Most Powerful | 9AM (Sun 20th Sep) | 25ft (7.5m) 18s |
Table - best surf conditions forecast for Porpoise Bay over the next 16 days.
Short Range ForecastHeavy rain (total 25mm), heaviest during Fri night. Very mild (max 12°C on Fri night, min 6°C on Sat night). Winds decreasing (near gales from the W on Sat night, light winds from the NNW by Sun night). | Days 4-6 Weather SummaryModerate rain (total 16mm), heaviest on Mon afternoon. Very mild (max 16°C on Mon morning, min 5°C on Tue night). Winds decreasing (strong winds from the W on Mon afternoon, light winds from the W by Wed night). | ||||||||||||||||||||
Friday 18 | Saturday 19 | Sunday 20 | Monday 21 | Tuesday 22 | Wednesday 23 | Thursday 24 | |||||||||||||||
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) | SW 15 | SSW 15 | SSW 15 | SSW 15 | SSW 16 | SW 15 | SSW 18 | SSW 17 | SSW 16 | SW 14 | SW 14 | SSW 16 | SSW 16 | SSW 16 | SW 15 | SSW 16 | SSW 15 | SSW 15 | SSW 15 | SSW 15 | SSW 14 |
Wave Graph  | |||||||||||||||||||||
 kJ | 7429 | 7946 | 4578 | 2881 | 3684 | 10336 | 35956 | 26219 | 7445 | 1426 | 1031 | 4410 | 5531 | 4611 | 7867 | 6308 | 4970 | 3670 | 3262 | 2625 | 5395 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | cross | cross-off | cross-off | cross-off | cross | cross-on | cross | cross-off | cross-off | cross-off | cross | cross-off | cross | cross | cross-on | cross-on | cross-off | cross-off | cross | on |
High Tide | 7:41PM1.72m | 8:22AM1.76m | 8:48PM1.69m | 9:28AM1.76m | 9:51PM1.72m | 10:26AM1.81m | 10:44PM1.78m | 11:13AM1.88m | 11:28PM1.86m | 11:54AM1.96m | 00:07AM1.95m | 12:31PM2.04m | 00:44AM2.05m | ||||||||
Low Tide | 1:39PM0.72m | 2:04AM0.68m | 2:41PM0.75m | 3:05AM0.68m | 3:40PM0.72m | 4:01AM0.63m | 4:31PM0.65m | 4:49AM0.55m | 5:16PM0.56m | 5:32AM0.45m | 5:56PM0.46m | 6:12AM0.34m | 6:34PM0.37m | ||||||||
 | |  | | |  | |  |  |  | | |  | | | | |  |  | | | |
 | 6:41 | — | — | 6:39 | — | — | 6:37 | — | — | 6:35 | — | — | 6:33 | — | — | 6:31 | — | — | 6:28 | — | — |
 | — | 6:35 | — | — | 6:36 | — | — | 6:37 | — | — | 6:37 | — | — | 6:39 | — | — | 6:40 | — | — | 6:42 | — |
mm | 3 | 1 | 5 | 4 | 4 | 6 | 2 | — | — | — | 2 | 2 | 1 | 3 | 5 | 2 | 1 | — | — | 1 | 4 |
Temp °C | 10 | 11 | 12 | 11 | 11 | 7 | 8 | 9 | 9 | 16 | 16 | 9 | 10 | 8 | 6 | 8 | 8 | 7 | 10 | 10 | 9 |
Feels °C | 3 | 5 | 5 | 3 | 1 | -5 | -2 | 0 | 1 | 7 | 8 | 0 | 1 | -2 | -3 | 1 | 1 | 2 | 1 | 1 | 2 |
Swell 1 Height (m) Direction Period (s) | ESE 13 | SSW 15 | SSW 15 | SSW 15 | SSW 16 | ESE 11 | — | SSW 17 | SSW 16 | SW 14 | SW 14 | SSW 16 | SSW 16 | SSW 16 | ESE 12 | ESE 11 | ESE 11 | SSW 15 | SSW 15 | SSW 15 | ESE 10 |
| kJ | 93 | 7946 | 4578 | 2881 | 3684 | 25 | — | 20595 | 7445 | 1426 | 1031 | 4410 | 5531 | 4611 | 13 | 12 | 12 | 3670 | 3262 | 2625 | 11 |
Swell 2 Height (m) Direction Period (s) | ESE 9 | ESE 12 | ESE 13 | S 18 | ESE 12 | — | — | — | ESE 11 | S 12 | S 11 | ESE 13 | ESE 13 | ESE 12 | — | — | — | ESE 11 | ESE 11 | ESE 11 | E 16 |
| kJ | 8 | 98 | 111 | 639 | 54 | — | — | — | 12 | 674 | 227 | 17 | 16 | 14 | — | — | — | 11 | 11 | 11 | 5 |
Swell 3 Height (m) Direction Period (s) | — | — | — | ESE 12 | — | — | — | — | — | ESE 11 | ENE 5 | S 12 | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | 82 | — | — | — | — | — | 11 | 2 | 12 | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | SW 15 | — | NW 4 | WNW 6 | W 6 | SW 15 | SSW 18 | SSW 17 | WNW 5 | NNW 4 | NW 4 | WSW 7 | W 5 | W 6 | SW 15 | SSW 16 | SSW 15 | — | WNW 5 | W 6 | SSW 14 |
| kJ | 7429 | — | 34 | 271 | 333 | 10336 | 35956 | 26219 | 47 | 25 | 49 | 530 | 54 | 294 | 7867 | 6308 | 4970 | — | 108 | 284 | 5395 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 109 | 34 | 112 | 55 | 109 | 426 | 454 | 808 | 34 | 112 | 45 | 454 | 55 | 112 | 34 | 63 | 64 | 34 | 34 | 109 | 34 |
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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