Tywyn surfForecast / Wales – Mid / UK

information circle12 Day Weather and Surf, issued 6 am Thursday 17 Jul 2025 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
18.6° C
(Which is 3.5°C warmer than normal for this time of year)


Best Forecast Surf Conditions for Tywyn this week:

The most powerful waves expected at Tywyn in the next 12 days are 1.4m 6s and forecast to arrive on Tuesday (Jul 22) at 4AM. Winds are predicted to be onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.1m 6s period and expected on Thursday (Jul 24) at 4AM.

Wave TypeTime (BST) & Date Wave Height & Period
Next good surf (1 star+)--
Best Surf--
Most Powerful 4AM (Tue 22nd Jul)4.5ft (1.4m) 6s

Table - best surf conditions forecast for Tywyn over the next 12 days.

Updates in  hr  min  s Forecast update imminent
Thursday
17
Friday
18
Saturday
19
Sunday
20
Monday
21
Tuesday
22
Wednesday
23
Thursday
24
Friday
25
Saturday
26
Sunday
27
Monday
28
AMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNight
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
0
0
0
0
0
0
0
0
0
0
0
0
Swell
Height Map
Wave Height (m) & direction (?)
0.4
SW
0.4
WSW
0.6
WSW
0.5
WSW
0.4
WSW
0.4
WSW
0.3
WSW
0.3
WSW
0.2
WSW
0.4
WSW
0.4
WSW
0.4
WSW
0.2
WSW
0.8
W
1.4
W
1.2
W
0.8
WSW
0.7
W
0.6
NW
0.8
NW
0.3
WSW
0.6
NW
0.5
NW
0.4
SW
0.5
W
0.4
NW
0.4
WSW
0.6
W
0.6
W
0.8
WSW
0.9
SW
1.3
WSW
1.4
WSW
1.2
WSW
1.2
WSW
0.8
WSW
Period(s) (?)7999998889891045544458444444444567766
Wave
Graph
(?)Metric surfscale
Energy (?)1533534430291313631283216181098031202043191910599101011223411917512411356
Wind
(km/h)
15
SSW
15
SW
15
SSE
5
SW
5
W
5
SE
5
SSE
0
S
15
ESE
0
SE
5
NW
5
NE
15
WSW
35
W
35
W
25
W
15
W
10
W
25
WNW
20
W
30
WNW
20
NNW
20
NW
10
WSW
15
W
15
W
25
WNW
20
W
30
WSW
25
SSW
40
SW
35
SW
20
NNW
20
WSW
20
W
25
SSW
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
crosscross-
on
cross-
off
cross-
on
onglassglassglasscross-
off
glassglassglassononononononononcross-
on
cross-
on
cross-
on
cross-
on
ononononcross-
on
cross-
on
cross-
on
cross-
on
cross-
on
cross-
on
oncross-
on
High Tide
/ height (m)
1:28PM
3.58
1:52AM
3.89
2:26PM
3.43
2:55AM
3.66
3:35PM
3.33
4:08AM
3.50
4:49PM
3.36
5:23AM
3.49
5:59PM
3.53
6:31AM
3.61
6:59PM
3.79
7:29AM
3.78
7:52PM
4.06
8:20AM
3.93
8:41PM
4.30
9:06AM
4.03
9:26PM
4.47
9:50AM
4.06
10:09PM
4.53
10:31AM
4.02
10:49PM
4.48
11:11AM
3.90
11:29PM
4.32
Low Tide
/ height (m)
8:19PM
0.97
9:06AM
0.83
9:15PM
1.10
10:06AM
0.99
10:29PM
1.19
11:23AM
1.09
12:01AM
1.15
12:46PM
1.05
1:25AM
0.95
1:57PM
0.90
2:30AM
0.68
2:53PM
0.70
3:23AM
0.42
3:40PM
0.53
4:10AM
0.23
4:23PM
0.42
4:53AM
0.15
5:01PM
0.39
5:32AM
0.17
5:36PM
0.43
6:08AM
0.28
6:09PM
0.54
Thursday
17
Friday
18
Saturday
19
Sunday
20
Monday
21
Tuesday
22
Wednesday
23
Thursday
24
Friday
25
Saturday
26
Sunday
27
Monday
28
Sunrise5:13--5:13--5:15--5:16--5:18--5:18--5:20--5:22--5:24--5:24--5:26--5:28--
Sunset-9:30--9:29--9:28--9:27--9:25--9:23--9:22--9:22--9:20--9:19--9:16--9:15-
light raincloudrain showerspart cloudpart cloudcloudpart cloudpart cloudrain showersrain showersrain showersrain showersmod rainheavy rainmod rainlight rainlight rainpart cloudpart cloudpart cloudmod rainpart cloudclearpart cloudcloudpart cloudpart cloudpart cloudpart cloudrain showersrain showerslight rainrain showersrain showersrain showersrain showers
Rain (mm)
1-2-----71537121032---6--------2422116
Temp. °C181818161716182018171816151515141515151615171716161617151517171716141716
Feels °C (?)18171816171618211718191614910101314101312141416141413101012121213111413

Short Range Forecast: Moderate rain (total 10mm), heaviest on Sat night. Warm (max 20°C on Sat afternoon, min 15°C on Thu night). Wind will be generally light.

Days 3-6 Weather Summary Heavy rain (total 43mm), heaviest during Mon afternoon. Very mild (max 18°C on Sun afternoon, min 14°C on Sun night). Winds increasing (calm on Sun morning, fresh winds from the W by Mon afternoon).

Days 6-9 Weather Summary Light rain (total 6mm), mostly falling on Wed night. Very mild (max 17°C on Thu morning, min 14°C on Wed night). Winds decreasing (fresh winds from the NW on Wed night, light winds from the W by Thu night).

Long Range Forecast: Moderate rain (total 19mm), heaviest on Mon night. Very mild (max 17°C on Sat night, min 14°C on Sat morning). Winds decreasing (fresh winds from the SW on Sun morning, light winds from the WNW by Sun night).

  • 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

Eyeball surf reportRecent Eyeball Surf Reports for Wales - Mid

  1. weather stationWind Update Continuing clean conditions at Tywyn (calm at Machynlleth 22 km from Tywyn). 0.5m 7s swell from the WSW with a 0.4m 3s local chop from the SW. Swells combining to make to make bigger set waves.

    Tywyn
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22 km away, 43 min ago

0 km/h
N
18.0
18.6
Air / Water (°C)
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FREE! Surf-Forecast.com widget for your website

The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our Tywyn surf forecast. Simply grab the html code snippet that we provide and paste it into your own site. You can choose your preferred language and metric/imperial units for the surf forecast feed to suit users of your site. Click here to get the code.


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 12 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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