Trecco Bay surf break

Trecco Bay surfForecast / Wales – South East / UK

information circle12 Day Weather and Surf, issued 11 am Tuesday 09 Dec 2025 GMT
Forecast update in hr  min  s Forecast update imminent
Trecco Bay surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Trecco Bay sea temperature is
10.1° C
(Which is 1.3°C colder than average for this time of year)


Best Forecast Surf Conditions for Trecco Bay this week:

The surf forecast for Trecco Bay over the next 12 days: The first swell (rated 1 star or higher) is forecast to arrive on Friday (Dec 12) at 9AM. The primary swell is predicted to be 1.9m and 14s period. The wind is predicted to be cross-offshore as the swell arrives.

The most powerful waves expected at Trecco Bay in the next 12 days are 3.0m 14s and forecast to arrive on Tuesday (Dec 09) at 9PM. Winds are predicted to be cross-onshore at the time the swell arrives.

Wave TypeTime (GMT) & Date Wave Height & Period
Next good surf (1 star+) 9AM (Fri 12th Dec)6ft (1.9m) 14s
Best Surf 9AM (Fri 12th Dec)6ft (1.9m) 14s
Most Powerful 9PM (Tue 9th Dec)10ft (3.0m) 14s

Table - best surf conditions forecast for Trecco Bay over the next 12 days.

Updates in  hr  min  s Forecast update imminent

Short Range Forecast Light rain (total 8mm), mostly falling on Thu night. Very mild (max 15°C on Tue morning, min 9°C on Wed night). Winds decreasing (near gales from the SSW on Tue morning, light winds from the S by Wed night).

Days 3-6 Weather Summary Mostly dry. Very mild (max 11°C on Sun afternoon, min 8°C on Fri morning). Winds increasing (light winds from the WNW on Fri morning, fresh winds from the SW by Sat afternoon).

Tuesday
09
Wednesday
10
Thursday
11
Friday
12
Saturday
13
Sunday
14
Monday
15
AMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNight
Rating
(10 max)
0
0
0
0
0
0
0
0
0
4
2
0
0
0
0
0
0
0
0
0
3
Swell
Height Map
Wave Height (m) & direction (?)
2.5
SW
3.5
SW
3
WSW
2.2
WSW
2
WSW
1.6
WSW
1.7
WSW
1.9
WSW
2.3
WSW
1.9
WSW
1.9
WSW
1.9
WSW
1.6
W
1.6
WSW
1.4
WSW
1.1
WSW
1.3
WSW
2
WSW
1.7
WSW
1.6
WSW
1.6
WSW
Period(s) (?)1314141212111312141418171614814141414149
Wave
Graph
(?)Metric surfscale
Energy kJ (?)201742073267153210776039439392002141521682024124899627043968715341189982450
Wind
(km/h)
50
S
55
SW
35
SW
35
WSW
30
WSW
20
SSW
20
S
20
SSE
25
SSE
15
NW
15
W
20
WSW
25
SW
30
SW
25
SW
15
S
20
S
25
SE
25
S
25
S
10
NW
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
onononcross-
on
cross-
on
oncross-
on
cross-
on
cross-
on
cross-
off
cross-
on
cross-
on
cross-
on
cross-
on
ononcross-
on
cross-
on
cross-
on
oncross-
off
High Tide
/ height (m)
9:11AM
8.52
9:38PM
7.86
10:01AM
7.99
10:30PM
7.31
10:55AM
7.44
11:27PM
6.83
11:54AM
6.97
12:30AM
6.50
1:00PM
6.67
1:38AM
6.40
2:07PM
6.58
2:42AM
6.51
3:07PM
6.68
Low Tide
/ height (m)
3:23PM
1.08
3:41AM
1.46
4:17PM
1.57
4:35AM
1.93
5:16PM
2.01
5:36AM
2.33
6:19PM
2.34
6:42AM
2.59
7:23PM
2.51
7:48AM
2.67
8:24PM
2.51
8:49AM
2.57
9:18PM
2.39
Tuesday
09
Wednesday
10
Thursday
11
Friday
12
Saturday
13
Sunday
14
Monday
15
Sunrise8:07--8:07--8:08--8:10--8:11--8:11--8:12--
Sunset-4:06--4:05--4:05--4:05--4:05--4:05--4:05-
light rain
rain showers
rain showers
rain showers
part cloud
clear
clear
part cloud
light rain
part cloud
cloud
clear
clear
part cloud
cloud
part cloud
part cloud
clear
cloud
mod rain
cloud
Rain (mm)
2121----2----------6-
Temp. °C15141111111011121291010910991111131210
Feels °C (?)533455567665343576877
  • Map Icons:
  • Break
  • Live Wave Height (m)
  • Live Wind Speed (km/h)
  • Surf Rating (10 Max)
  • Ocean Swells (m)
  • Wind Speed (km/h)
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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 12 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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