Mewslade Bay Surf Break
Lat Long: 51.56° N 4.29° W

Mewslade Bay Surf Forecast and Surf Report

Weather Forecast for Mewslade Bay

Issued: 12 pm 08 Jun 2026 (local time)

Forecast update in  hr  min

Today's Mewslade Bay sea temperature is
15.5° C

2.8°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 8 Jun 2026:

  • Best quality surf: Saturday 13 Jun, 4AM (local time) - 3.5ft (1.1m), 6s period, WSW swell with cross-offshore winds.
  • Most powerful swell: Thursday 11 Jun, 4PM (local time) - 8ft (2.5m), 8s period, WSW swell with 886 kJ wave energy.
  • Next surfable swell (1★+): Saturday 13 Jun, 4AM (local time) - 3.5ft (1.1m), 6s 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 Saturday (Jun 13) at 4AM. The primary swell is predicted to be 1.1m and 6s period with a secondary swell of 0.5m and 11s. 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 2.5m 8s and forecast to arrive on Thursday (Jun 11) at 4PM. Winds are predicted to be cross-onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.6m 3s period and expected on Monday (Jun 15) at 10AM.

Wave TypeTime (BST) & Date Wave Height & Period
Next good surf (1 star+) 4AM (Sat 13th Jun)3.5ft (1.1m) 6s
Best Surf 4AM (Sat 13th Jun)3.5ft (1.1m) 6s
Most Powerful 4PM (Thu 11th Jun)8ft (2.5m) 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

Light rain (total 9mm), mostly falling on Wed night. Very mild (max 13°C on Mon afternoon, min 11°C on Mon night). Mainly fresh winds.

Days 4-6 Weather Summary

Light rain (total 9mm), mostly falling on Thu morning. Warm (max 20°C on Sat afternoon, min 12°C on Thu morning). Winds decreasing (strong winds from the SW on Thu morning, calm by Fri night).

Monday
8
Tuesday
9
Wednesday
10
Thursday
11
Friday
12
Saturday
13
Sunday
14
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
Rating
(10 max)
2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
0
0
0
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
1.8
WSW
11
1.7
WSW
11
1.9
WSW
7
1.8
WSW
8
2.1
WSW
7
1.8
WSW
7
1.2
WSW
7
1.4
WSW
6
1.6
WSW
7
2.1
WSW
6
2.5
WSW
8
2
WSW
8
1.3
WSW
8
1.3
WSW
7
1.2
WSW
6
0.5
W
11
0.8
WSW
11
0.7
WSW
11
0.6
W
11
0.5
W
10
0.5
W
10
Wave Graph
Metric surfscale
Energy kJ
730
631
307
375
407
346
139
155
269
335
886
497
186
154
127
59
158
121
82
54
51
Wind (km/h)
20
WNW
30
W
30
WSW
30
W
30
W
30
W
25
WNW
30
W
20
W
45
SW
35
W
20
W
25
W
25
W
10
W
5
SSW
5
WNW
10
E
20
ESE
15
ESE
10
ESE
Wind State
cross-off
cross
cross-on
cross
cross-on
cross
cross
cross
cross
on
cross-on
cross
cross-on
cross
cross
on
cross
cross-off
cross
cross
cross
High Tide
12:28PM6.35m
00:55AM6.60m
1:30PM6.36m
1:58AM6.65m
2:35PM6.54m
3:03AM6.86m
3:39PM6.88m
4:06AM7.20m
4:38PM7.31m
5:05AM7.60m
5:34PM7.77m
6:00AM7.98m
6:26PM8.18m
Low Tide
6:34PM2.26m
7:14AM2.12m
7:39PM2.23m
8:18AM1.97m
8:45PM2.03m
9:20AM1.71m
9:47PM1.69m
10:19AM1.36m
10:46PM1.27m
11:15AM1.00m
11:42PM0.85m
12:08PM0.69m
00:35AM0.50m
clear
clear
rain showers
clear
clear
rain showers
rain showers
part cloud
rain showers
mod rain
cloud
cloud
part cloud
clear
clear
part cloud
part cloud
part cloud
clear
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:01
5:00
5:00
5:00
4:58
4:58
4:58
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
9:30
9:31
9:31
9:32
9:34
9:35
9:35
 mm
3
3
1
2
9
Temp °C
12
13
12
12
13
12
12
13
13
14
14
14
15
16
17
17
20
20
22
23
21
Feels °C
7
7
6
5
6
5
6
7
8
8
8
10
12
12
16
18
20
20
21
22
21
Swell 1
Height (m)
Direction
Period (s)
1.8
WSW
11
1
W
11
0.8
W
10
0.7
W
10
0.5
W
10
2
WSW
8
1.3
WSW
8
1.2
WSW
6
0.8
WSW
6
0.8
WSW
11
0.7
WSW
11
0.6
W
11
0.5
W
10
0.5
W
10
Energy kJ
730
223
127
100
47
497
186
127
48
158
121
82
54
51
Swell 2
Height (m)
Direction
Period (s)
0.9
W
11
0.7
W
10
0.4
WSW
10
0.5
W
11
0.5
W
6
0.1
SW
16
0.1
SW
14
0.1
SW
4
Energy kJ
181
96
35
59
15
9
8
1
Swell 3
Height (m)
Direction
Period (s)
0.1
SW
14
Energy kJ
7
Wind waves
Height (m)
Direction
Period (s)
1.7
WSW
11
1.9
WSW
7
1.8
WSW
8
2.1
WSW
7
1.8
WSW
7
1.2
WSW
7
1.4
WSW
6
1.6
WSW
7
2.1
WSW
6
2.5
WSW
8
1.3
WSW
7
0.3
SE
2
0.3
SE
3
0.4
ESE
3
Energy kJ
631
307
375
407
346
139
155
269
335
886
154
1
1
4
Nearest Offshore or Glassy
Rating
(10 max)
2
3
1
3
3
1
2
2
1
1
2
1
1
2
1
1
1
1
1
1
1
Distance (km)
10
322
135
574
384
241
358
398
241
432
384
141
241
338
1
6
0
0
6
2
4
Best forecast wave conditions in Wales - Gower
Rating
(10 max)
2
1
1
1
1
1
1
1
Best forecast wave conditions in United Kingdom
Rating
(10 max)
4
2
2
3
2
1
1
3
2
2
1
1
1
2
3
4
3
1
1
1
Header Global
Rating
(10 max)
5
6
9
6
5
5
9
9
7
6
5
6
8
5
7
6
5
7
5
5
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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