Surf Forecasts:
Trecco Bay surf forecast from 11 Sep 2026:
- Most powerful swell: Wednesday 16 Sep, 1PM (local time) - 4ft (1.2m), 9s period, W swell with 244 kJ wave energy.
Best Forecast Surf Conditions for Trecco Bay this week:
The most powerful waves expected at Trecco Bay in the next 16 days are 1.2m 9s and forecast to arrive on Wednesday (Sep 16) at 1PM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.6m 4s period and expected on Tuesday (Sep 15) at 10PM.
| Wave Type | Time (BST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | - | - |
| Best Surf | - | - |
| Most Powerful | 1PM (Wed 16th Sep) | 4ft (1.2m) 9s |
Table - best surf conditions forecast for Trecco Bay over the next 16 days.
Short Range ForecastHeavy rain (total 20mm), heaviest during Sat night. Very mild (max 18°C on Thu night, min 14°C on Fri night). Winds increasing (light winds from the W on Fri night, fresh winds from the WSW by Sat night). | Days 4-6 Weather SummaryLight rain (total 2mm), mostly falling on Mon night. Warm (max 20°C on Mon afternoon, min 14°C on Tue night). Winds increasing (light winds from the WNW on Mon afternoon, fresh winds from the W by Tue afternoon). | ||||||||||||||||||||
Friday 11 | Saturday 12 | Sunday 13 | Monday 14 | Tuesday 15 | Wednesday 16 | Thursday 17 | |||||||||||||||
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) | WSW 9 | WSW 9 | WSW 8 | WSW 8 | WSW 7 | W 7 | WSW 7 | WSW 10 | WSW 9 | WSW 9 | W 9 | WSW 8 | WSW 6 | W 6 | W 8 | WSW 9 | W 10 | W 10 | WSW 10 | WSW 5 | WSW 6 |
Wave Graph  | |||||||||||||||||||||
 kJ | 181 | 113 | 72 | 125 | 166 | 212 | 108 | 163 | 86 | 82 | 76 | 73 | 50 | 121 | 163 | 202 | 183 | 48 | 19 | 49 | 45 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | cross | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross | cross-on | cross | cross-off | cross-off | cross-off | cross | cross | cross | cross |
High Tide | 7:10AM8.88m | 7:28PM9.32m | 7:48AM9.13m | 8:06PM9.42m | 8:24AM9.15m | 8:41PM9.27m | 8:59AM8.95m | 9:16PM8.90m | 9:32AM8.57m | 9:49PM8.36m | 10:05AM8.05m | 10:23PM7.72m | 10:39AM7.43m | 10:59PM7.03m | |||||||
Low Tide | 1:17PM0.31m | 1:40AM0.07m | 1:53PM0.11m | 2:13AM0.04m | 2:26PM0.13m | 2:45AM0.22m | 2:58PM0.36m | 3:16AM0.58m | 3:30PM0.76m | 3:47AM1.08m | 4:03PM1.29m | 4:19AM1.68m | 4:39PM1.92m | ||||||||
 | |  |  |  |  | |  | | | |  | |  |  | | |  | | | | |
 | 6:41 | — | — | 6:43 | — | — | 6:45 | — | — | 6:47 | — | — | 6:48 | — | — | 6:50 | — | — | 6:50 | — | — |
 | — | 7:38 | — | — | 7:37 | — | — | 7:35 | — | — | 7:31 | — | — | 7:30 | — | — | 7:28 | — | — | 7:24 | — |
mm | — | — | — | — | 1 | 18 | — | — | — | — | — | 1 | — | 1 | — | — | — | — | — | — | — |
Temp °C | 17 | 17 | 14 | 18 | 18 | 17 | 17 | 17 | 18 | 19 | 20 | 19 | 18 | 18 | 16 | 15 | 15 | 15 | 16 | 17 | 16 |
Feels °C | 15 | 15 | 13 | 13 | 14 | 14 | 16 | 15 | 18 | 18 | 20 | 20 | 15 | 12 | 12 | 9 | 9 | 10 | 11 | 12 | 11 |
Swell 1 Height (m) Direction Period (s) | WSW 9 | WSW 9 | WSW 8 | W 8 | — | W 7 | WSW 7 | WSW 10 | WSW 9 | WSW 9 | W 9 | WSW 8 | W 11 | — | W 8 | WSW 9 | — | W 10 | WSW 10 | W 10 | WSW 6 |
| kJ | 181 | 113 | 72 | 48 | — | 212 | 108 | 163 | 86 | 82 | 76 | 73 | 2 | — | 163 | 202 | — | 48 | 18 | 17 | 45 |
Swell 2 Height (m) Direction Period (s) | — | — | — | — | — | — | WSW 10 | — | — | — | — | — | W 11 | — | — | — | — | — | W 10 | — | WSW 9 |
| kJ | — | — | — | — | — | — | 34 | — | — | — | — | — | 9 | — | — | — | — | — | 17 | — | 8 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | W 16 |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 5 |
Wind waves Height (m) Direction Period (s) | — | — | — | WSW 8 | WSW 7 | WSW 7 | — | — | — | — | — | — | WSW 6 | W 6 | — | NNW 4 | W 10 | W 6 | W 6 | WSW 5 | — |
| kJ | — | — | — | 125 | 166 | 188 | — | — | — | — | — | — | 50 | 121 | — | 10 | 183 | 21 | 19 | 49 | — |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 24 | 25 | 52 | 139 | 296 | 297 | 43 | 87 | 116 | 116 | 116 | 1 | 785 | 419 | 141 | 890 | 355 | 132 | 381 | 296 | 188 |
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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