Barmouth surfForecast / Wales – Mid / UK

information circle48hr Weather and Surf, issued 12 pm Friday 15 May 2026 BST
Forecast update in hr  min  s Forecast update imminent
Barmouth surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Barmouth sea temperature is
12.3° C
(Which is 1.6°C warmer than normal for this time of year)

How big are the waves at Barmouth today?

The current surf forecast for Barmouth at 6PM is: 0.6m 4s primary swell from a Northwest direction and 0.1m 14s secondary swell from a West direction (forecast issued at 12:00pm May 15). The wind direction is predicted to be cross-shore.

Time (BST) & DateWave HeightWave Period
Morning (15 May)0.5ft (0.1m)14s
Afternoon (15 May)2.5ft (0.8m)4s
Evening (15 May)1.5ft (0.4m)4s

Table - waves today at Barmouth. (Swell directed towards the surf break)


Updates in  hr  min  s Forecast update imminent

Short Range Forecast

Moderate rain (total 15mm), heaviest on Sun afternoon. Very mild (max 10°C on Fri morning, min 8°C on Fri night). Winds increasing (light winds from the WSW on Fri night, fresh winds from the SW by Sun afternoon).

Fri
15
Saturday
16
Sunday
17
Mon
18
10 AM
1 PM
4 PM
7 PM
10 PM
1 AM
4 AM
7 AM
10 AM
1 PM
4 PM
7 PM
10 PM
1 AM
4 AM
7 AM
10 AM
1 PM
4 PM
7 PM
10 PM
1 AM
4 AM
7 AM
Rating
(10 max)
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
Swell
Height Map
Height MapHeight MapHeight Map
Height MapHeight MapHeight Map
Height MapHeight MapHeight Map
Height MapHeight MapHeight Map
Wave
Height (m)
Direction
Period (s)
1
NW
5
0.1
W
14
0.8
NW
4
0.5
NW
4
0.4
NW
4
0.1
W
13
0.2
W
3
0.2
WSW
3
0.3
W
3
0.3
SW
3
0.4
SW
3
0.6
WSW
4
0.5
WSW
4
0.7
W
4
0.8
W
4
0.8
W
5
0.9
WSW
5
0.9
WSW
5
1.1
SW
5
1.2
SW
6
1.1
SW
6
0.9
WSW
6
0.8
WSW
6
0.8
WSW
7
Wave Graph
Metric surfscale
Energy kJ
50
4
22
8
4
3
1
1
1
1
4
10
10
16
23
27
35
30
49
88
75
59
51
53
Wind (km/h)
25
NNW
30
NW
25
NW
20
NW
10
WNW
10
WNW
5
WSW
10
WSW
10
WSW
15
SSW
20
SW
15
W
15
WSW
20
WNW
15
WNW
20
W
25
WSW
25
SW
25
SW
30
SW
20
SW
10
WSW
10
W
5
W
cross-off
cross
cross
cross
cross
cross-on
cross-on
cross-on
on
cross-on
on
cross-on
cross-on
cross-on
cross-on
cross-on
on
on
on
on
on
on
cross-on
cross-on
High Tide
7:28AM4.85m
7:52PM4.86m
8:15AM5.06m
8:37PM5.06m
9:03AM5.12m
9:24PM5.14m
Low Tide
2:46PM0.87m
3:12AM0.94m
3:34PM0.82m
4:03AM0.82m
4:23PM0.82m
4:51AM0.75m
part cloud
part cloud
part cloud
clear
part cloud
part cloud
cloud
cloud
cloud
light rain
light rain
light rain
light rain
rain showers
cloud
cloud
rain showers
light rain
light rain
light rain
light rain
light rain
rain showers
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:20
5:18
5:16
5:15
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
9:06
9:07
9:08
9:09
1
1
1
1
1
1
1
1
2
2
2
1
Temp °C
9
10
10
10
8
8
8
9
9
9
10
10
10
9
8
9
10
10
10
10
9
9
8
9
2
3
4
5
5
5
5
6
6
6
6
7
7
4
4
4
5
4
5
4
4
6
5
7
Swell 1
Height (m)
Direction
Period (s)
0.1
W
14
0.1
W
14
0.1
W
14
0.1
W
14
0.4
NW
4
0.2
WNW
4
0.1
N
5
0.1
N
5
0.2
WSW
3
0.1
W
9
0.4
NW
4
0.3
NW
4
0.9
WSW
6
0.8
WSW
6
0.8
WSW
7
Energy kJ
4
4
4
4
4
1
1
1
1
1
7
3
59
51
53
Swell 2
Height (m)
Direction
Period (s)
0.1
N
5
0.1
W
12
Energy kJ
1
3
Swell 3
Height (m)
Direction
Period (s)
0.1
W
13
0.1
W
13
Energy kJ
4
3
Wind waves
Height (m)
Direction
Period (s)
1
NW
5
1.1
NW
5
0.8
NW
4
0.5
NW
4
0.2
W
3
0.2
WSW
3
0.3
W
3
0.3
SW
3
0.4
SW
3
0.6
WSW
4
0.5
WSW
4
0.7
W
4
0.8
W
4
0.8
W
5
0.9
WSW
5
0.9
WSW
5
1.1
SW
5
1.2
SW
6
1.1
SW
6
0.9
WSW
6
Energy kJ
50
51
22
8
1
1
1
1
4
10
10
16
23
27
35
30
49
88
75
52
Nearest Offshore or Glassy
Rating
(10 max)
2
4
4
4
3
3
3
1
2
2
2
2
2
1
1
1
1
1
1
1
1
1
1
1
Distance (km)
439
308
308
289
289
289
289
281
289
291
291
289
291
289
281
129
291
293
291
291
287
287
32
32
Best forecast wave conditions in Mid Wales
Rating
(10 max)
Best forecast wave conditions in United Kingdom
Rating
(10 max)
4
4
4
4
4
3
3
3
3
3
2
2
3
3
3
3
1
4
4
4
3
3
3
Header Global
Rating
(10 max)
5
5
6
5
5
5
5
5
4
6
6
5
5
4
5
5
5
9
9
7
4
4
5
8
  • Map Icons:
  • Break
  • Live Wave Height (m)
  • Live Wind Speed (km/h)
  • Surf Rating (10 Max)
  • Ocean Swells (m)
  • Wind Speed (km/h)
Map placeholder

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