Trecco Bay surf break

Trecco Bay surfForecast / Wales – South East / UK

information circle12 Day Weather and Surf, issued 11 pm Saturday 20 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 slightly cooler than normal)


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 Monday (Dec 22) at 6PM. The primary swell is predicted to be 0.7m and 12s 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 1.8m 15s and forecast to arrive on Sunday (Dec 21) at 9AM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.8m 4s period and expected on Wednesday (Dec 24) at 9PM.

Wave TypeTime (GMT) & Date Wave Height & Period
Next good surf (1 star+) 6PM (Mon 22nd Dec)2.5ft (0.7m) 12s
Best Surf 6PM (Mon 22nd Dec)2.5ft (0.7m) 12s
Most Powerful 9AM (Sun 21st Dec)6ft (1.8m) 15s

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 7mm), mostly falling on Sat night. Very mild (max 10°C on Sat night, min 7°C on Tue afternoon). Winds decreasing (strong winds from the ESE on Sat night, calm by Tue morning).

Days 3-6 Weather Summary Mostly dry. Icy conditions (max 6°C on Tue night, min 0°C on Wed night). Winds increasing (light winds from the NE on Tue night, fresh winds from the ENE by Wed afternoon).

Sunday
21
Monday
22
Tuesday
23
Wednesday
24
Thursday
25
Friday
26
Sat
27
NightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPM
Rating
(10 max)
0
3
1
0
0
0
1
1
1
0
0
0
0
0
0
0
0
0
0
0
0
Swell
Height Map
Wave Height (m) & direction (?)
1.4
WSW
1.8
WSW
1.5
WSW
1.1
WSW
0.8
WSW
0.7
WSW
0.6
WSW
0.5
WSW
0.5
WSW
0.4
WSW
0.4
WSW
0.3
WSW
0.3
WSW
0.3
WSW
0.2
WSW
0.2
WSW
0.3
WSW
0.4
WSW
0.4
WSW
0.4
WSW
0.4
WSW
Period(s) (?)111515141312121111101214121112121212121111
Wave
Graph
(?)Metric surfscale
Energy kJ (?)48314889964721951291066864305136302414142749454040
Wind
(km/h)
30
SE
20
ENE
30
E
30
ENE
20
E
15
E
10
ENE
0
ENE
5
NNE
10
NE
30
ENE
35
ENE
35
ENE
25
ENE
25
NE
30
NE
20
NE
10
NNE
25
NE
40
ENE
35
ENE
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
on
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
glassglassoffcross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
offcross-
off
cross-
off
cross-
off
High Tide
/ height (m)
6:56AM
8.11
7:15PM
7.95
7:32AM
8.19
7:51PM
7.95
8:09AM
8.19
8:28PM
7.87
8:47AM
8.11
9:07PM
7.73
9:26AM
7.96
9:48PM
7.54
10:10AM
7.76
10:35PM
7.33
10:59AM
7.52
Low Tide
/ height (m)
12:41AM
1.35
1:03PM
1.27
1:16AM
1.27
1:39PM
1.24
1:51AM
1.26
2:14PM
1.27
2:26AM
1.32
2:51PM
1.36
3:03AM
1.44
3:30PM
1.48
3:44AM
1.61
4:15PM
1.63
4:31AM
1.81
5:06PM
1.80
Sunday
21
Monday
22
Tuesday
23
Wednesday
24
Thursday
25
Friday
26
Sat
27
Sunrise-8:17--8:17--8:18--8:18--8:18--8:18--8:18-
Sunset--4:07--4:07--4:07--4:08--4:08--4:09--4:10
rain showers
cloud
light rain
rain showers
part cloud
part cloud
part cloud
part cloud
clear
part cloud
part cloud
part cloud
part cloud
clear
clear
clear
clear
clear
clear
part cloud
cloud
Rain (mm)
3-13-----------------
Temp. °C1099101010989655324334356
Feels °C (?)4434665773-3-3-6-6-3-5-30-5-4-2
  • 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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