Surf Forecasts:
Trecco Bay surf forecast from 9 Oct 2026:
- Best quality surf: Friday 16 Oct, 7PM (local time) - 3ft (0.9m), 11s period, WSW swell with cross-offshore winds.
- Most powerful swell: Tuesday 13 Oct, 7AM (local time) - 8ft (2.5m), 9s period, WSW swell with 1,060 kJ wave energy.
- Next surfable swell (1★+): Friday 16 Oct, 7PM (local time) - 3ft (0.9m), 11s period with WSW swell.
Best Forecast Surf Conditions for Trecco Bay this week:
The surf forecast for Trecco Bay over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Friday (Oct 16) at 7PM. The primary swell is predicted to be 0.9m and 11s period. The wind is predicted to be cross-offshore as the swell arrives.
The most powerful waves expected at Trecco Bay in the next 16 days are 2.5m 9s and forecast to arrive on Tuesday (Oct 13) at 7AM. Winds are predicted to be cross-onshore at the time the swell arrives.
| Wave Type | Time (BST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 7PM (Fri 16th Oct) | 3ft (0.9m) 11s |
| Best Surf | 7PM (Fri 16th Oct) | 3ft (0.9m) 11s |
| Most Powerful | 7AM (Tue 13th Oct) | 8ft (2.5m) 9s |
Table - best surf conditions forecast for Trecco Bay over the next 16 days.
Short Range ForecastLight rain (total 5mm), mostly falling on Sun afternoon. Very mild (max 17°C on Mon morning, min 12°C on Fri night). Winds decreasing (strong winds from the WNW on Fri afternoon, light winds from the SW by Sat night). | Days 5-7 Weather SummaryLight rain (total 5mm), mostly falling on Thu morning. Very mild (max 18°C on Mon afternoon, min 13°C on Tue night). Winds increasing (light winds from the S on Mon afternoon, strong winds from the SSW by Thu morning). | |||||||||||||||||||
Fri 9 | Saturday 10 | Sunday 11 | Monday 12 | Tuesday 13 | Wednesday 14 | Thursday 15 | ||||||||||||||
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) | W 9 | W 8 | W 8 | W 7 | WSW 6 | WSW 7 | WSW 7 | SW 7 | WSW 11 | WSW 12 | WSW 11 | WSW 10 | WSW 10 | WSW 9 | WSW 10 | WSW 7 | WSW 8 | WSW 13 | W 12 | WSW 12 |
Wave Graph  | ||||||||||||||||||||
 kJ | 694 | 401 | 320 | 211 | 53 | 36 | 42 | 109 | 504 | 595 | 645 | 887 | 741 | 329 | 339 | 250 | 903 | 534 | 784 | 522 |
Wind (km/h) | ||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | cross | cross | cross | cross | on | cross-on | cross-on | on | cross-on | on | cross-on | cross-on | cross-on | on | cross-on | on | on | cross-off | cross-off |
High Tide | 6:26PM8.74m | 6:46AM8.72m | 7:04PM9.01m | 7:22AM8.94m | 7:39PM9.07m | 7:56AM8.96m | 8:13PM8.93m | 8:29AM8.80m | 8:46PM8.62m | 9:01AM8.48m | 9:19PM8.17m | 9:34AM8.02m | 9:52PM7.62m | |||||||
Low Tide | 00:39AM0.52m | 12:53PM0.50m | 1:11AM0.33m | 1:25PM0.34m | 1:42AM0.32m | 1:57PM0.36m | 2:12AM0.48m | 2:28PM0.55m | 2:42AM0.78m | 2:59PM0.90m | 3:13AM1.21m | 3:32PM1.37m | 3:46AM1.72m | |||||||
 |  |  | | | |  |  | | | | | |  |  | | | | | | |
 | — | — | 7:28 | — | — | 7:30 | — | — | 7:31 | — | — | 7:33 | — | — | 7:35 | — | — | 7:37 | — | — |
 | 6:35 | — | — | 6:32 | — | — | 6:30 | — | — | 6:29 | — | — | 6:27 | — | — | 6:23 | — | — | 6:22 | — |
mm | — | — | — | — | — | — | 3 | 2 | — | 1 | 1 | — | — | — | — | — | — | 3 | — | — |
Temp °C | 15 | 13 | 13 | 13 | 13 | 14 | 13 | 16 | 17 | 18 | 18 | 16 | 15 | 15 | 16 | 17 | 15 | 16 | 13 | 12 |
Feels °C | 6 | 4 | 5 | 6 | 8 | 10 | 9 | 12 | 17 | 17 | 16 | 10 | 9 | 11 | 11 | 12 | 10 | 8 | 7 | 6 |
Swell 1 Height (m) Direction Period (s) | — | — | W 10 | W 10 | WSW 6 | WSW 7 | WSW 7 | SW 7 | WSW 11 | WSW 12 | WSW 11 | — | — | W 17 | W 10 | W 10 | — | WSW 8 | W 12 | WSW 12 |
| kJ | — | — | 102 | 54 | 53 | 36 | 42 | 109 | 504 | 595 | 452 | — | — | 6 | 296 | 104 | — | 207 | 784 | 522 |
Swell 2 Height (m) Direction Period (s) | — | — | — | — | W 8 | WSW 10 | WSW 10 | W 14 | — | — | — | — | — | W 17 | W 16 | — | — | WSW 13 | — | — |
| kJ | — | — | — | — | 37 | 10 | 10 | 4 | — | — | — | — | — | 6 | 20 | — | — | 534 | — | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | W 9 | W 8 | W 8 | W 7 | — | — | — | S 3 | — | — | WSW 11 | WSW 10 | WSW 10 | WSW 9 | WSW 10 | WSW 7 | WSW 8 | — | WSW 12 | — |
| kJ | 694 | 401 | 320 | 211 | — | — | — | 3 | — | — | 645 | 887 | 741 | 329 | 339 | 250 | 903 | — | 666 | — |
Nearest Offshore or Glassy | ||||||||||||||||||||
Distance (km) | 411 | 355 | 355 | 296 | 24 | 45 | 339 | 130 | 28 | 28 | 337 | 96 | 96 | 99 | 153 | 232 | 309 | 590 | 364 | 73 |
Best forecast wave conditions in Wales - South East | ||||||||||||||||||||
Best forecast wave conditions in United Kingdom | ||||||||||||||||||||
Header Global | ||||||||||||||||||||
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FREE! Surf-Forecast.com widget for your website
The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our Trecco 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 Trecco Bay Surf forecast
The above surf forecast table for Trecco Bay provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Trecco Bay can be found by selecting the local surf guide option on the grey menu. Our Trecco 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 (Trecco 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 Trecco 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.
Trecco Bay is 2 km (1 miles) from Porthcawl. If you plan a holiday in Wales - South East, look for hotels and other accommodation in Porthcawl. Porthcawl has rooms for a wide range of budgets as well as car hire and transport links.
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