Mewslade Bay surf break

Mewslade Bay surfForecast / Wales – Gower / UK

information circle16 Day Weather and Surf, issued 6 pm Wednesday 27 May 2026 BST
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
14.4° C
(Which is 2.5°C warmer than normal for this time of year)

Mewslade Bay surf forecast from 27 May 2026:

  • Best quality surf: Saturday 30 May, 1AM (local time) - 2ft (0.6m), 11s period, WSW swell with cross-offshore winds.
  • Most powerful swell: Thursday 4 Jun, 1AM (local time) - 8ft (2.5m), 9s period, WSW swell with 987 kJ wave energy.
  • Next surfable swell (1★+): Saturday 30 May, 1AM (local time) - 2ft (0.6m), 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 Saturday (May 30) at 1AM. The primary swell is predicted to be 0.6m and 11s period with a secondary swell of 0.7m and 7s. 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 9s and forecast to arrive on Thursday (Jun 04) at 1AM. Winds are predicted to be cross-onshore at the time the swell arrives.

Wave TypeTime (BST) & Date Wave Height & Period
Next good surf (1 star+) 1AM (Sat 30th May)2ft (0.6m) 11s
Best Surf 1AM (Sat 30th May)2ft (0.6m) 11s
Most Powerful 1AM (Thu 4th Jun)8ft (2.5m) 9s

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 8mm), mostly falling on Wed night. Warm (max 25°C on Wed afternoon, min 12°C on Fri night). Wind will be generally light.

Days 5-7 Weather Summary

Light rain (total 7mm), mostly falling on Mon afternoon. Very mild (max 14°C on Sat afternoon, min 12°C on Mon night). Mainly fresh winds.

Wed
27
Thursday
28
Friday
29
Saturday
30
Sunday
31
Monday
1
Tuesday
2
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
0
0
1
0
0
0
0
0
0
0
0
1
2
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)
0.4
WSW
10
0.3
WSW
10
0.3
WSW
9
0.3
WSW
9
0.5
SW
4
0.7
WSW
6
0.8
WSW
6
0.6
WSW
11
0.9
WSW
10
0.9
WSW
10
1.4
WSW
12
1.6
WSW
11
1.6
WSW
11
1.5
WSW
11
0.9
WSW
11
2
WSW
7
1.5
WSW
8
1.9
WSW
8
1.7
WSW
9
1.6
WSW
9
2.2
WSW
8
Wave Graph
Metric surfscale
Energy kJ
35
19
17
16
10
33
43
91
166
132
539
637
665
560
206
417
270
510
427
372
581
Wind (km/h)
25
E
25
ESE
20
SE
10
SSW
15
SW
15
WSW
15
WSW
5
NW
5
SW
15
WSW
20
SW
25
WSW
25
WSW
20
SW
25
SW
20
SSW
25
W
25
NW
25
W
30
SSW
30
SW
cross-off
cross
cross
on
cross-on
cross-on
cross-on
cross-off
cross-on
cross-on
on
cross-on
cross-on
cross-on
on
on
cross
cross-off
cross
on
cross-on
High Tide
4:40PM6.73m
5:00AM6.92m
5:24PM7.00m
5:43AM7.11m
6:04PM7.23m
6:22AM7.27m
6:41PM7.41m
6:59AM7.38m
7:17PM7.53m
7:35AM7.41m
7:52PM7.56m
8:11AM7.37m
8:28PM7.51m
8:47AM7.25m
Low Tide
10:50PM1.87m
11:12AM1.67m
11:32PM1.64m
11:51AM1.50m
00:11AM1.44m
12:27PM1.36m
00:47AM1.28m
1:02PM1.27m
1:23AM1.20m
1:37PM1.25m
1:58AM1.21m
2:12PM1.29m
2:34AM1.30m
clear
rain showers
cloud
part cloud
cloud
part cloud
clear
part cloud
part cloud
part cloud
part cloud
clear
clear
rain showers
light rain
light rain
part cloud
part cloud
part cloud
light rain
light rain
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:09
5:07
5:07
5:05
5:05
5:05
5:03
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
9:17
9:19
9:21
9:22
9:22
9:23
9:24
9:25
8
1
2
4
5
1
Temp °C
25
22
19
19
13
14
14
14
14
14
14
14
14
13
14
14
13
14
14
14
14
23
21
18
18
10
11
11
12
12
11
12
10
10
10
11
12
9
10
9
9
9
Swell 1
Height (m)
Direction
Period (s)
0.4
WSW
10
0.3
WSW
10
0.3
WSW
9
0.3
WSW
9
0.2
W
9
0.7
WSW
6
0.8
WSW
6
0.7
WSW
7
0.9
WSW
10
0.9
WSW
10
1.4
WSW
12
1.6
WSW
11
1.5
WSW
11
0.9
WSW
11
0.8
WSW
11
1.5
WSW
8
0.1
W
17
1.6
WSW
9
Energy kJ
35
19
17
16
6
33
43
54
166
132
539
637
560
206
150
270
6
372
Swell 2
Height (m)
Direction
Period (s)
0.1
SW
18
0.1
SW
18
0.1
SW
4
0.1
SW
16
0.1
SW
16
0.2
WSW
14
0.3
WSW
12
0.6
WSW
11
0.2
WSW
16
0.3
WSW
13
0.1
SW
14
0.6
WSW
10
0.4
WSW
14
Energy kJ
12
12
1
10
10
21
29
91
24
35
8
77
63
Swell 3
Height (m)
Direction
Period (s)
0.1
SW
16
0.1
W
8
0.2
WSW
15
0.1
SW
16
0.1
SW
16
0.1
SW
14
Energy kJ
10
1
23
10
10
7
Wind waves
Height (m)
Direction
Period (s)
0.8
ESE
4
0.5
SE
3
0.4
SE
3
0.5
SW
4
1.6
WSW
11
1.4
SW
6
2
WSW
7
1.3
WSW
8
1.9
WSW
8
1.7
WSW
9
2.2
WSW
8
Energy kJ
20
5
2
9
665
143
417
202
510
427
581
Nearest Offshore or Glassy
Rating
(10 max)
1
1
1
1
1
1
1
1
1
1
2
1
2
1
1
1
1
2
1
1
1
Distance (km)
4
48
153
172
181
172
124
0
12
124
124
135
322
68
100
82
141
10
141
241
432
Best forecast wave conditions in Wales - Gower
Rating
(10 max)
1
2
1
2
Best forecast wave conditions in United Kingdom
Rating
(10 max)
1
1
1
1
1
1
1
2
2
2
3
3
2
3
2
2
2
2
1
2
3
Header Global
Rating
(10 max)
6
9
9
6
5
4
5
5
5
7
7
6
5
4
4
4
5
6
4
4
4
  • 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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