Tywyn Surf Break

Lat Long: 52.59° N 4.11° W

Tywyn Surf Forecast and Surf Report

Issued: 12 am 15 Sep 2026 (local time)

Forecast update in  hr  min

Today's Tywyn sea temperature is
17.9°C
2.4° 

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


Tywyn surf forecast from 15 Sep 2026:

  • Best quality surf: Sunday 20 Sep, 4AM (local time) - 3ft (0.9m), 6s period, WSW swell with glassy winds.
  • Most powerful swell: Saturday 19 Sep, 7AM (local time) - 5ft (1.5m), 7s period, WSW swell with 204 kJ wave energy.
  • Next surfable swell (1★+): Sunday 20 Sep, 4AM (local time) - 3ft (0.9m), 6s period with WSW swell.

Best Forecast Surf Conditions for Tywyn this week:

The surf forecast for Tywyn over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Sunday (Sep 20) at 4AM. The primary swell is predicted to be 0.9m and 6s period. The wind is predicted to be glassy as the swell arrives.

The most powerful waves expected at Tywyn in the next 16 days are 1.5m 7s and forecast to arrive on Saturday (Sep 19) at 7AM. 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+) 4AM (Sun 20th Sep)3ft (0.9m) 6s
Best Surf 4AM (Sun 20th Sep)3ft (0.9m) 6s
Most Powerful 7AM (Sat 19th Sep)5ft (1.5m) 7s

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


Short Range Forecast

Moderate rain (total 19mm), heaviest on Mon night. Very mild (max 18°C on Mon night, min 13°C on Tue night). Mainly fresh winds.

Days 4-6 Weather Summary

Heavy rain (total 21mm), heaviest during Fri night. Very mild (max 18°C on Sat afternoon, min 12°C on Thu night). Winds decreasing (fresh winds from the WSW on Fri night, calm by Sat night).

Tuesday
15
Wednesday
16
Thursday
17
Friday
18
Saturday
19
Sunday
20
Monday
21
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
Rating
(10 max)
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 Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
1.1
W
5
1.1
W
5
0.8
NW
4
1.1
NW
5
0.6
NW
5
1.2
WSW
5
1.3
W
6
1.2
W
5
1.3
W
5
0.9
W
5
0.9
WSW
4
1.5
WSW
7
1.5
WSW
7
1.3
WSW
7
1
WSW
6
0.5
WSW
6
0.4
WSW
6
0.6
WSW
4
0.4
WSW
4
0.3
WSW
4
0.3
WSW
4
Wave Graph
Metric surfscale
Energy kJ
59
62
26
62
21
69
140
73
99
37
34
186
204
154
78
23
17
12
7
4
3
Wind (km/h)
30
WNW
25
W
25
NW
25
NW
20
W
35
SW
30
WNW
30
W
25
WNW
25
WSW
30
SW
35
WSW
30
WSW
30
WSW
10
W
10
SW
5
SW
10
S
10
S
5
W
5
ESE
Wind State
on
on
cross-on
cross-on
on
cross-on
on
on
cross-on
on
cross-on
cross-on
cross-on
cross-on
on
cross-on
cross-on
cross
cross
glassy
glassy
High Tide
11:16AM4.10m
11:35PM4.06m
11:51AM3.83m
00:12AM3.66m
12:27PM3.50m
00:50AM3.25m
1:08PM3.15m
1:37AM2.87m
2:05PM2.82m
2:57AM2.57m
3:58PM2.67m
5:12AM2.58m
5:45PM2.86m
Low Tide
5:53AM0.51m
5:59PM0.61m
6:17AM0.83m
6:27PM0.88m
6:41AM1.13m
7:01PM1.17m
7:15AM1.42m
7:54PM1.46m
8:18AM1.67m
9:22PM1.66m
10:01AM1.78m
11:16PM1.65m
11:48AM1.65m
00:41AM1.41m
part cloud
rain showers
rain showers
rain showers
part cloud
rain showers
part cloud
rain showers
part cloud
cloud
light rain
heavy rain
light rain
rain showers
part cloud
clear
clear
part cloud
part cloud
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:48
6:50
6:52
6:54
6:56
6:56
6:58
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
7:32
7:30
7:28
7:24
7:22
7:21
7:17
 mm
2
2
1
4
1
3
14
2
2
Temp °C
15
16
15
14
15
15
14
15
14
15
14
16
16
18
17
15
16
16
17
17
16
Feels °C
10
12
11
10
11
10
9
9
8
10
8
11
12
14
16
14
15
16
17
18
17
  • 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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Information about the Tywyn Surf forecast

The above surf forecast table for Tywyn provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Tywyn can be found by selecting the local surf guide option on the grey menu. Our Tywyn 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 (Tywyn) 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 Tywyn 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.

Are you planning a holiday in Mid Wales? If you are looking for accommodation near Tywyn, camping, hotels and holiday cottages in Mid Wales, consider staying in Aberystwyth which is 19 km (12 miles) away. Other places in and around Mid Wales where you can find information about places to rent, and car hire include Trawscoed which is 28 km (17 miles) away, Porthmadog, Aberporth and Welshpool.

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