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Surf Forecasts:

Tywyn surfForecast / Wales – Mid / UK

information circle16 Day Weather and Surf, issued 5 pm Saturday 14 Mar 2026 GMT
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
8.1° C
 (Which is normal for this time of year)

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 Tuesday (Mar 17) at 9PM. The primary swell is predicted to be 0.8m and 9s period with a secondary swell of 0.6m and 5s. The wind is predicted to be cross-offshore as the swell arrives.

The most powerful waves expected at Tywyn in the next 16 days are 2.0m 7s and forecast to arrive on Monday (Mar 16) at 12AM. Winds are predicted to be onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.0m 4s period and expected on Sunday (Mar 22) at 12AM.

Wave TypeTime (GMT) & Date Wave Height & Period
Next good surf (1 star+) 9PM (Tue 17th Mar)2.5ft (0.8m) 9s
Best Surf 9PM (Tue 17th Mar)2.5ft (0.8m) 9s
Most Powerful12AM (Mon 16th Mar)6.5ft (2.0m) 7s

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

Updates in  hr  min  s Forecast update imminent 
16 DaysHourly
Print Table

Short Range Forecast Light rain (total 7mm), mostly falling on Sun morning. Very mild (max 11°C on Tue morning, min 6°C on Sat night). Winds increasing (light winds from the WSW on Sat afternoon, strong winds from the SW by Mon afternoon).

Days 3-6 Weather Summary Mostly dry. Very mild (max 14°C on Wed afternoon, min 3°C on Thu night). Wind will be generally light.

Sat
14
Sunday
15
Monday
16
Tuesday
17
Wednesday
18
Thursday
19
Friday
20
PMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAM
Rating
(10 max)
0
0
0
0
0
0
0
0
0
0
1
1
0
0
0
0
0
0
0
0
0
Swell
Height Map
See all maps
Wave Height (m) & direction (?)
0.5
WSW
0.3
WSW
1.2
SW
1.5
WSW
2
W
1.5
W
1.7
WSW
1.3
WSW
1.4
SW
1.3
SW
0.9
SW
0.5
WSW
0.3
WSW
0.2
W
0.2
WSW
0.6
NNW
0.1
W
0.1
NW
0.3
NE
0.1
W
0.1
W
Period(s) (?)98567778899111614848421510
Wave
Graph
(?)Metric surfscale
Energy kJ (?)45147415040819625418727725511866481671311042
Wind
(km/h)
15
W
15
SSW
35
SSW
35
W
35
W
40
WSW
45
SW
35
SSW
30
S
25
SSW
10
SE
5
ENE
10
NNW
5
ENE
10
NE
15
ENE
20
E
15
E
10
NNE
20
ENE
35
ENE
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
oncrosscrossononcross-
on		cross-
on		crosscrosscrosscross-
off		glasscross-
on		offcross-
off		cross-
off		offoffcross-
off		cross-
off		off
High Tide
/ height (m)
5:29PM
2.83
5:48AM
3.18
6:10PM
3.15
6:25AM
3.58
6:45PM
3.51
6:59AM
3.98
7:19PM
3.86
7:33AM
4.35
7:53PM
4.17
8:08AM
4.64
8:29PM
4.42
8:45AM
4.82
9:05PM
4.55
9:23AM
4.84
Low Tide
/ height (m)
12:17AM
1.35
12:51PM
1.07
1:02AM
1.01
1:31PM
0.70
1:40AM
0.69
2:07PM
0.37
2:15AM
0.43
2:41PM
0.12
2:50AM
0.24
3:16PM
-0.02
3:24AM
0.15
3:51PM
-0.03
3:59AM
0.15
Sat
14
Sunday
15
Monday
16
Tuesday
17
Wednesday
18
Thursday
19
Friday
20
Sunrise--6:31--6:28--6:26--6:24--6:22--6:20--6:16
Sunset6:16--6:19--6:21--6:22--6:24--6:25--6:28--
part cloud
part cloud
light rain
rain showers
light rain
light rain
light rain
part cloud
clear
clear
clear
clear
clear
clear
clear
part cloud
part cloud
cloud
part cloud
clear
part cloud
Rain (mm)
--21211--------------
Temp. °C861087899111210131413141487967
Feels °C (?)3130-3-10247711121211112351-2
  • 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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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.

View detailed surf forecast for Tywyn at:
surf-forecast.com

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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