Morfa Mawr surfForecast / Wales – South East / UK

information circle12 Day Weather and Surf, issued 11 am Tuesday 16 Dec 2025 GMT
Forecast update in hr  min  s Forecast update imminent
Morfa Mawr surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Morfa Mawr sea temperature is
10.0° C
(Which is 1.0°C colder than average for this time of year)


Best Forecast Surf Conditions for Morfa Mawr this week:

The surf forecast for Morfa Mawr over the next 12 days: The first swell (rated 1 star or higher) is forecast to arrive on Tuesday (Dec 16) at 3PM. The primary swell is predicted to be 1.2m and 14s period. The wind is predicted to be cross-offshore as the swell arrives.

The most powerful waves expected at Morfa Mawr in the next 12 days are 2.5m 17s and forecast to arrive on Friday (Dec 19) at 3AM. 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+) 3PM (Tue 16th Dec)4ft (1.2m) 14s
Best Surf 3PM (Tue 16th Dec)4ft (1.2m) 14s
Most Powerful 3AM (Fri 19th Dec)8ft (2.5m) 17s

Table - best surf conditions forecast for Morfa Mawr over the next 12 days.

Updates in  hr  min  s Forecast update imminent

Short Range Forecast Heavy rain (total 49mm), heaviest during Thu afternoon. Very mild (max 12°C on Thu morning, min 7°C on Tue night). Winds increasing (calm on Tue night, near gales from the S by Thu afternoon).

Days 3-6 Weather Summary Heavy rain (total 27mm), heaviest during Sat afternoon. Very mild (max 10°C on Fri morning, min 5°C on Sun morning). Mainly fresh winds.

Tuesday
16
Wednesday
17
Thursday
18
Friday
19
Saturday
20
Sunday
21
Monday
22
AMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNight
Rating
(10 max)
2
2
1
0
0
2
3
0
0
0
0
0
0
0
1
3
2
2
2
0
0
Swell
Height Map
Wave Height (m) & direction (?)
1.2
WSW
1.2
WSW
1.1
WSW
0.9
WSW
2
WSW
2.2
WSW
2
WSW
2
WSW
2.5
WSW
2.4
WSW
2.2
W
1.7
WSW
1.6
SW
1.7
WSW
1.5
WSW
1.7
WSW
1.5
WSW
1.3
WSW
1
WSW
0.7
WSW
0.7
WSW
Period(s) (?)141414139112019181616158101216161513911
Wave
Graph
(?)Metric surfscale
Energy kJ (?)55754243325763711553145280536633016251012753385555851341110772633170103
Wind
(km/h)
15
NNW
10
NNW
10
SSW
25
S
40
S
5
NW
15
ESE
55
S
35
WSW
30
WSW
25
SW
20
S
35
S
30
S
5
SW
15
E
20
E
15
ENE
15
NE
20
SE
10
SSW
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
off
cross-
off
cross-
on
cross-
on
cross-
on
crosscross-
off
cross-
on
cross-
on
ononcross-
on
cross-
on
cross-
on
oncross-
off
cross-
off
cross-
off
offcrosscross-
on
High Tide
/ height (m)
3:57PM
6.86
4:21AM
7.03
4:42PM
7.13
5:03AM
7.35
5:22PM
7.41
5:41AM
7.64
6:00PM
7.64
6:18AM
7.88
6:37PM
7.81
6:55AM
8.05
7:13PM
7.89
7:31AM
8.13
7:49PM
7.89
Low Tide
/ height (m)
9:41AM
2.35
10:04PM
2.17
10:28AM
2.08
10:47PM
1.93
11:09AM
1.81
11:26PM
1.70
11:48AM
1.56
12:04AM
1.49
12:25PM
1.38
12:40AM
1.35
1:02PM
1.27
1:15AM
1.27
1:37PM
1.24
1:49AM
1.26
Tuesday
16
Wednesday
17
Thursday
18
Friday
19
Saturday
20
Sunday
21
Monday
22
Sunrise8:14--8:15--8:15--8:17--8:17--8:18--8:18--
Sunset-4:05--4:06--4:06--4:06--4:07--4:07--4:07-
cloud
clear
part cloud
light rain
mod rain
mod rain
mod rain
heavy rain
rain showers
clear
rain showers
part cloud
light rain
heavy rain
rain showers
cloud
cloud
mod rain
rain showers
part cloud
cloud
Rain (mm)
---21089191-1-1117--78--
Temp. °C9979111112119109910977881099
Feels °C (?)566233501332234234446
  • 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 Morfa Mawr Surf forecast

The above surf forecast table for Morfa Mawr provides essential information for determining whether the surfing conditions will be good over the next 12 days. A general guide to surfing at Morfa Mawr can be found by selecting the local surf guide option on the grey menu. Our Morfa Mawr 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 (Morfa Mawr) 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 Morfa Mawr 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.

Morfa Mawr is 7 km (4 miles) from Briton Ferry. If you plan a holiday in Wales - South East, look for hotels and other accommodation in Briton Ferry. Briton Ferry has rooms for a wide range of budgets as well as car hire and transport links.

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