Tywyn surfForecast / Wales – Mid / UK

information circle48hr Weather and Surf, issued 12 pm Tuesday 12 May 2026 BST
Forecast update in hr  min  s Forecast update imminent
Tywyn surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Tywyn sea temperature is
12.4° C
(Which is 1.9°C warmer than normal for this time of year)

How big are the waves at Tywyn today?

The current surf forecast for Tywyn at 7PM is: 0.5m 5s primary swell from a Northwest direction and 0.1m 18s secondary swell from a West direction, 0.3m 4s secondary swell from a West-southwest direction (forecast issued at 12:00pm May 12). The wind direction is predicted to be onshore.

Time (BST) & DateWave HeightWave Period
Morning (12 May)1.5ft (0.5m)3s
Afternoon (12 May)2.5ft (0.8m)4s
Evening (12 May)2.5ft (0.8m)4s

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


Updates in  hr  min  s Forecast update imminent

Short Range Forecast

Moderate rain (total 13mm), heaviest on Tue night. Very mild (max 12°C on Tue afternoon, min 8°C on Tue night). Winds decreasing (strong winds from the WNW on Tue night, light winds from the NE by Thu night).

Tue
12
Wednesday
13
Thursday
14
Fri
15
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
1
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)
0.5
WNW
3
0.8
WNW
4
0.8
NW
4
0.5
NW
5
0.8
WNW
4
1.3
WNW
5
1.6
W
6
1.9
WNW
6
1.9
WNW
7
1.8
WNW
7
1.7
WNW
6
1.5
NW
6
1.4
NW
6
1.7
NW
6
2
NW
7
1.6
NW
7
1.4
NW
7
1.5
NW
6
1.4
NW
6
1.2
NW
6
0.9
NNW
6
0.8
NW
6
1
NW
7
1
NW
6
Wave Graph
Metric surfscale
Energy kJ
6
22
29
10
19
87
169
292
326
297
209
156
147
240
377
273
173
156
133
92
59
45
85
66
Wind (km/h)
25
WNW
30
NW
20
NW
20
WSW
30
W
40
W
40
W
45
WNW
40
NW
40
NW
40
NW
35
NW
30
NNW
35
NNW
35
NNW
30
NNW
30
NNW
35
NNW
30
NNW
25
N
10
N
5
NE
5
N
15
N
on
cross-on
cross-on
on
on
on
on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross
cross-off
cross-off
cross
cross
High Tide
5:36PM3.16m
5:52AM3.59m
6:26PM3.53m
6:42AM3.94m
7:11PM3.91m
Low Tide
12:04PM0.97m
00:20AM1.14m
12:57PM0.71m
1:14AM0.89m
1:46PM0.48m
2:04AM0.64m
cloud
cloud
clear
clear
clear
part cloud
light rain
light rain
light rain
rain showers
rain showers
rain showers
rain showers
rain showers
cloud
light rain
rain showers
rain showers
rain showers
clear
clear
part cloud
part cloud
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:24
5:24
5:22
5:20
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
9:00
9:01
9:04
9:05
1
2
1
1
1
1
1
1
1
1
1
1
Temp °C
10
11
12
11
11
9
9
8
8
10
11
10
9
8
9
9
9
10
11
11
9
8
8
8
4
4
6
6
4
0
0
-2
-2
1
2
2
2
0
1
2
2
2
4
5
5
5
5
4
Swell 1
Height (m)
Direction
Period (s)
0.5
NW
5
0.6
WSW
7
0.4
WSW
6
0.4
WSW
6
0.1
W
16
0.4
WSW
6
0.4
WSW
5
0.1
W
15
0.1
W
15
0.2
WSW
6
0.2
W
5
0.8
NW
6
0.1
W
5
0.1
W
6
Energy kJ
10
34
13
12
5
12
9
4
4
3
2
45
1
1
Swell 2
Height (m)
Direction
Period (s)
0.1
W
18
0.1
W
16
0.1
W
16
0.1
W
16
0.1
W
16
0.1
W
16
0.1
W
15
0.1
W
15
0.1
W
14
0.1
W
14
Energy kJ
6
5
5
5
5
5
4
4
4
4
Swell 3
Height (m)
Direction
Period (s)
0.1
W
15
Energy kJ
4
Wind waves
Height (m)
Direction
Period (s)
0.5
WNW
3
0.8
WNW
4
0.8
NW
4
0.3
WSW
4
0.8
WNW
4
1.3
WNW
5
1.6
W
6
1.9
WNW
6
1.9
WNW
7
1.8
WNW
7
1.7
WNW
6
1.5
NW
6
1.4
NW
6
1.7
NW
6
2
NW
7
1.6
NW
7
1.4
NW
7
1.5
NW
6
1.4
NW
6
1.2
NW
6
0.9
NNW
6
1
NW
7
1
NW
6
Energy kJ
6
22
29
3
19
87
169
292
326
297
209
156
147
240
377
273
173
156
133
92
59
85
66
Nearest Offshore or Glassy
Rating
(10 max)
1
1
1
1
1
1
1
1
1
2
2
2
1
2
1
1
1
1
1
1
1
1
1
1
Distance (km)
305
305
387
309
309
301
309
309
659
915
911
911
545
545
266
266
279
279
326
323
0
110
12
326
Best forecast wave conditions in Mid Wales
Rating
(10 max)
1
1
Best forecast wave conditions in United Kingdom
Rating
(10 max)
1
1
1
3
4
4
4
1
2
4
1
1
1
1
1
1
1
1
Header Global
Rating
(10 max)
9
8
9
9
9
9
9
8
8
8
7
9
9
9
9
5
5
5
5
5
5
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)
Map placeholder

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