Mewslade Bay surf break

Mewslade Bay surfForecast / Wales – Gower / UK

information circle12 Day Weather and Surf, issued 11 am Saturday 06 Dec 2025 GMT
Forecast update in hr  min  s Forecast update imminent
Mewslade Bay surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Mewslade Bay sea temperature is
11.0° C
(Which is normal for this time of year)


Best Forecast Surf Conditions for Mewslade Bay this week:

The surf forecast for Mewslade Bay over the next 12 days: The first swell (rated 1 star or higher) is forecast to arrive on Saturday (Dec 13) at 12AM. The primary swell is predicted to be 3.0m and 8s period with a secondary swell of 1.3m and 17s. Another secondary swell of 0.4m and 10s is also forecast. The wind is predicted to be cross-onshore as the swell arrives.

The most powerful waves expected at Mewslade Bay in the next 12 days are 4.5m 16s and forecast to arrive on Saturday (Dec 06) at 6PM. 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+)12AM (Sat 13th Dec)10ft (3.0m) 8s
Best Surf12AM (Sat 13th Dec)10ft (3.0m) 8s
Most Powerful 6PM (Sat 6th Dec)15ft (4.5m) 16s

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

Updates in  hr  min  s Forecast update imminent

Short Range Forecast Heavy rain (total 35mm), heaviest during Mon night. Very mild (max 14°C on Mon night, min 11°C on Sat afternoon). Winds increasing (moderate winds from the SW on Sat night, near gales from the S by Mon night).

Days 3-6 Weather Summary Light rain (total 6mm), mostly falling on Tue morning. Very mild (max 14°C on Tue morning, min 9°C on Wed night). Winds decreasing (gales from the SSW on Tue morning, moderate winds from the WSW by Tue night).

Saturday
06
Sunday
07
Monday
08
Tuesday
09
Wednesday
10
Thursday
11
Friday
12
AMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNight
Rating
(10 max)
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
!
Swell
Height Map
Wave Height (m) & direction (?)
6
WSW
5
WSW
3.5
WSW
2.4
WSW
3.5
WSW
2.5
WSW
2.5
WSW
3
WSW
3
WSW
5
SW
4
WSW
3
WSW
2.1
WSW
2.2
WSW
1.3
W
1.3
WSW
1.6
SW
1.7
WSW
1.8
WSW
2.5
WSW
3
WSW
Period(s) (?)1416151310111112171314131311111381112188
Wave
Graph
(?)Metric surfscale
Energy kJ (?)135721352348752029221617331549211344118441508926541365125243351430672490540411094
Wind
(km/h)
55
WSW
45
WSW
20
SW
30
SSW
40
WSW
40
SSW
25
SW
35
SSW
50
S
65
SSW
30
SW
30
SW
30
WSW
35
WSW
30
SW
30
S
30
S
30
SSE
30
SSE
35
S
15
WSW
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
on
cross-
on
ononcross-
on
oncross-
on
oncross-
on
oncross-
on
cross-
on
cross-
on
cross-
on
cross-
on
cross-
on
cross-
on
cross-
on
cross-
on
oncross-
on
High Tide
/ height (m)
7:04PM
8.51
7:26AM
8.65
7:52PM
8.27
8:14AM
8.41
8:40PM
7.87
9:03AM
8.02
9:30PM
7.38
9:53AM
7.53
10:22PM
6.87
10:47AM
7.03
11:19PM
6.44
11:47AM
6.60
12:23AM
6.14
Low Tide
/ height (m)
12:48PM
0.10
1:09AM
0.30
1:37PM
0.25
1:56AM
0.55
2:26PM
0.57
2:44AM
0.92
3:17PM
1.00
3:35AM
1.37
4:11PM
1.48
4:30AM
1.82
5:10PM
1.91
5:30AM
2.22
6:13PM
2.23
Saturday
06
Sunday
07
Monday
08
Tuesday
09
Wednesday
10
Thursday
11
Friday
12
Sunrise8:06--8:07--8:07--8:10--8:11--8:11--8:12--
Sunset-4:08--4:07--4:07--4:07--4:07--4:07--4:07-
thunderstorm
rain showers
rain showers
light rain
clear
rain showers
light rain
rain showers
heavy rain
mod rain
cloud
part cloud
clear
clear
clear
clear
clear
part cloud
cloud
part cloud
rain showers
Rain (mm)
4215-211196----------2
Temp. °C121111131313121214141212111111111110121311
Feels °C (?)214854754266545554668
  • 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 Mewslade Bay Surf forecast

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

Mewslade Bay is 25 km (16 miles) from Swansea. If you plan a holiday in Wales - Gower, look for hotels and other accommodation in Swansea. Swansea has rooms for a wide range of budgets as well as car hire and transport links.

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