Mewslade Bay surf break

Mewslade Bay surfForecast / Wales – Gower / UK

information circle12 Day Weather and Surf, issued 11 am Tuesday 25 Nov 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
12.1° 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 Tuesday (Nov 25) at 6PM. The primary swell is predicted to be 0.9m and 11s period with a secondary swell of 0.7m and 6s. The wind is predicted to be offshore as the swell arrives.

The most powerful waves expected at Mewslade Bay in the next 12 days are 4.0m 13s and forecast to arrive on Tuesday (Dec 02) at 12PM. Winds are predicted to be cross-onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.4m 5s period and expected on Saturday (Nov 29) at 3PM.

Wave TypeTime (GMT) & Date Wave Height & Period
Next good surf (1 star+) 6PM (Tue 25th Nov)3ft (0.9m) 11s
Best Surf 6PM (Tue 25th Nov)3ft (0.9m) 11s
Most Powerful12PM (Tue 2nd Dec)13ft (4.0m) 13s

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

Updates in  hr  min  s Forecast update imminent

Short Range Forecast Light rain (total 5mm), mostly falling on Wed afternoon. Very mild (max 13°C on Thu morning, min 7°C on Tue night). Winds increasing (calm on Tue night, strong winds from the SW by Thu morning).

Days 3-6 Weather Summary Moderate rain (total 11mm), heaviest on Fri night. Very mild (max 11°C on Fri morning, min 7°C on Fri night). Winds decreasing (gales from the WNW on Fri night, calm by Sun night).

Tuesday
25
Wednesday
26
Thursday
27
Friday
28
Saturday
29
Sunday
30
Monday
01
AMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNight
Rating
(10 max)
0
1
2
0
0
0
0
0
0
0
0
0
0
0
0
0
1
0
0
0
0
Swell
Height Map
Wave Height (m) & direction (?)
0.6
WSW
0.9
WSW
0.9
WSW
0.7
WSW
1.6
SW
1.5
WSW
1.2
W
2.3
WSW
1.9
WSW
2.2
W
3
WSW
2.5
WSW
1.7
WSW
1.4
WSW
1.4
WSW
1.1
WSW
1
WSW
0.9
WSW
2
SSW
2.2
SW
3
SW
Period(s) (?)101211106797816813121211111111689
Wave
Graph
(?)Metric surfscale
Energy kJ (?)712361981151552372305594862383109121548475574552972451983406091436
Wind
(km/h)
25
N
20
N
5
NNE
25
S
40
S
20
WSW
35
SW
35
SW
30
WSW
40
SW
40
W
45
S
40
WNW
40
WNW
40
NW
30
NW
15
NW
15
S
40
SSE
35
SSW
40
SW
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
off
cross-
off
glasscross-
on
oncross-
on
oncross-
on
cross-
on
cross-
on
cross-
on
cross-
on
crosscrosscross-
off
cross-
off
cross-
off
cross-
on
cross-
on
oncross-
on
High Tide
/ height (m)
9:11PM
6.73
9:33AM
6.85
9:58PM
6.45
10:23AM
6.61
10:54PM
6.24
11:23AM
6.47
12:00AM
6.17
12:31PM
6.49
1:12AM
6.34
1:41PM
6.73
2:19AM
6.72
2:46PM
7.14
Low Tide
/ height (m)
2:53PM
1.76
3:08AM
1.91
3:38PM
2.04
3:56AM
2.18
4:34PM
2.24
4:56AM
2.38
5:42PM
2.31
6:09AM
2.42
6:55PM
2.17
7:23AM
2.23
8:03PM
1.84
8:29AM
1.83
9:03PM
1.39
Tuesday
25
Wednesday
26
Thursday
27
Friday
28
Saturday
29
Sunday
30
Monday
01
Sunrise7:50--7:52--7:54--7:54--7:56--7:58--7:58--
Sunset-4:15--4:15--4:14--4:13--4:13--4:12--4:10-
clear
clear
part cloud
cloud
light rain
cloud
light rain
rain showers
part cloud
light rain
clear
rain showers
rain showers
cloud
part cloud
part cloud
part cloud
rain showers
mod rain
light rain
rain showers
Rain (mm)
----2-12-2-62----1958
Temp. °C99881112131312111111999788131313
Feels °C (?)3442510777333000-133765
  • 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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