Mewslade Bay Surf Break

Mewslade Bay Surf Forecast and Surf Report

Lat Long: 51.56° N 4.29° W

Issued: 6 pm 11 Jun 2026 (local time)

Forecast update in  hr  min

Today's Mewslade Bay sea temperature is
15.4° C

2.4°C warmer than normal for this time of year

Mewslade Bay surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.


Mewslade Bay surf forecast from 11 Jun 2026:

  • Best quality surf: Sunday 14 Jun, 7AM (local time) - 2.5ft (0.7m), 11s period, WSW swell with cross-offshore winds.
  • Most powerful swell: Friday 12 Jun, 1AM (local time) - 7ft (2.1m), 8s period, WSW swell with 547 kJ wave energy.
  • Next surfable swell (1★+): Sunday 14 Jun, 7AM (local time) - 2.5ft (0.7m), 11s period with WSW swell.

Best Forecast Surf Conditions for Mewslade Bay this week:

The surf forecast for Mewslade Bay over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Sunday (Jun 14) at 7AM. The primary swell is predicted to be 0.7m and 11s period with a secondary swell of 0.1m and 16s. The wind is predicted to be cross-offshore as the swell arrives.

The most powerful waves expected at Mewslade Bay in the next 16 days are 2.1m 8s and forecast to arrive on Friday (Jun 12) at 1AM. Winds are predicted to be cross-onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.4m 3s period and expected on Monday (Jun 15) at 10AM.

Wave TypeTime (BST) & Date Wave Height & Period
Next good surf (1 star+) 7AM (Sun 14th Jun)2.5ft (0.7m) 11s
Best Surf 7AM (Sun 14th Jun)2.5ft (0.7m) 11s
Most Powerful 1AM (Fri 12th Jun)7ft (2.1m) 8s

Table - best surf conditions forecast for Mewslade Bay over the next 16 days.


Updates in  hr  min  s Forecast update imminent

Short Range Forecast

Mostly dry. Very mild (max 15°C on Sat night, min 11°C on Fri night). Winds decreasing (strong winds from the W on Thu afternoon, light winds from the WNW by Sat morning).

Days 5-7 Weather Summary

Mostly dry. Very mild (max 17°C on Wed morning, min 12°C on Sun night). Wind will be generally light.

Thu
11
Friday
12
Saturday
13
Sunday
14
Monday
15
Tuesday
16
Wednesday
17
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
Rating
(10 max)
0
0
0
0
0
1
0
0
1
0
0
0
0
0
0
0
0
0
0
0
0
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
2.4
WSW
8
2.1
WSW
8
2
WSW
7
2.1
WSW
7
1.7
W
7
0.7
W
11
1
W
11
0.8
WSW
11
0.7
W
10
0.6
W
10
0.4
WSW
10
0.4
WSW
9
0.4
WSW
10
0.5
W
10
0.6
W
9
0.4
WSW
12
0.7
WSW
11
0.8
WSW
10
0.9
WSW
10
0.9
WSW
10
1.2
WSW
10
Wave Graph
Metric surfscale
Energy kJ
672
547
404
419
320
123
251
158
106
73
31
28
33
48
60
46
117
136
176
173
248
Wind (km/h)
40
W
30
WSW
35
WSW
35
W
20
WNW
15
WNW
20
W
15
NW
15
N
15
NNW
15
ENE
20
ESE
5
SSW
10
ESE
15
SSE
15
SW
20
SSW
25
SSW
20
SW
10
S
10
SW
Wind State
cross-on
cross-on
cross-on
cross-on
cross
cross
cross
cross-off
cross-off
cross-off
cross-off
cross
on
cross
cross-on
on
on
on
on
on
on
High Tide
4:06AM7.20m
4:38PM7.31m
5:05AM7.60m
5:34PM7.77m
6:00AM7.98m
6:26PM8.18m
6:52AM8.26m
7:16PM8.47m
7:43AM8.39m
8:06PM8.61m
8:32AM8.34m
8:55PM8.58m
9:22AM8.14m
Low Tide
9:47PM1.69m
10:19AM1.36m
10:46PM1.27m
11:15AM1.00m
11:42PM0.85m
12:08PM0.69m
00:35AM0.50m
12:59PM0.47m
1:27AM0.29m
1:49PM0.38m
2:18AM0.24m
2:38PM0.44m
3:09AM0.36m
cloud
cloud
cloud
part cloud
clear
clear
clear
part cloud
cloud
cloud
part cloud
cloud
cloud
part cloud
cloud
cloud
cloud
clear
cloud
rain showers
light rain
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
4:58
4:58
4:58
4:58
4:58
4:58
4:58
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
9:32
9:34
9:35
9:35
9:36
9:36
9:37
9:37
 mm
2
2
Temp °C
14
14
14
14
13
12
14
15
14
15
14
15
16
16
15
15
16
17
17
16
14
Feels °C
8
9
9
8
9
8
10
12
11
12
12
12
15
14
12
13
14
15
14
16
13
Swell 1
Height (m)
Direction
Period (s)
1.7
W
7
1
WSW
7
0.6
W
11
0.8
WSW
11
0.7
W
10
0.6
W
10
0.4
WSW
10
0.4
WSW
9
0.4
WSW
10
0.5
W
10
0.6
W
9
0.5
W
9
0.7
WSW
11
0.8
WSW
10
0.9
WSW
10
0.9
WSW
10
1.2
WSW
10
Energy kJ
320
93
89
158
106
73
31
28
33
48
60
42
117
136
176
173
248
Swell 2
Height (m)
Direction
Period (s)
0.5
W
11
0.7
W
11
0.1
SW
16
0.1
SW
14
0.1
SW
14
0.1
SW
13
0.3
SE
3
0.1
SW
5
0.1
SW
12
0.4
WSW
12
0.2
WSW
3
Energy kJ
65
123
9
8
7
7
1
1
6
46
1
Swell 3
Height (m)
Direction
Period (s)
0.1
W
16
0.1
W
14
0.1
SW
13
0.1
SW
13
0.3
SW
4
Energy kJ
5
4
7
7
2
Wind waves
Height (m)
Direction
Period (s)
2.4
WSW
8
2.1
WSW
8
2
WSW
7
2.1
WSW
7
1
W
11
0.3
N
3
0.4
ESE
3
0.4
SE
3
0.5
SW
5
0.4
SW
4
Energy kJ
672
547
404
419
251
1
2
2
13
3
Nearest Offshore or Glassy
Rating
(10 max)
2
2
2
2
1
1
2
1
1
1
1
1
1
1
1
1
1
1
1
1
1
Distance (km)
322
384
358
311
241
0
124
12
0
1
4
64
43
4
95
104
90
124
124
6
6
Best forecast wave conditions in Wales - Gower
Rating
(10 max)
1
1
1
1
1
1
1
1
Best forecast wave conditions in United Kingdom
Rating
(10 max)
2
1
3
2
3
2
2
1
1
1
1
1
1
2
2
2
2
2
Header Global
Rating
(10 max)
6
6
9
5
5
5
4
7
5
9
4
5
5
5
5
5
5
4
5
6
5
  • 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 16 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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