Buy Less, Surf More This Black Friday
Surf-forecast is providing a free, all-access pass to our premium features and 12-day forecasts all weekend.
Surf Forecasts:
Tywyn surfForecast / Wales – Mid / UK
48hr Weather and Surf, issued 5 pm Tuesday 09 Dec 2025 GMTForecast 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
9.0° C
(Which is 1.8°C colder than average for this time of year)How big are the waves at Tywyn today?
The current surf forecast for Tywyn at 11PM is: 2.5m 13s primary swell from a West-southwest direction (forecast issued at 05:00pm December 09). The wind direction is predicted to be cross-onshore.
| Time (GMT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (09 Dec) | - | - |
| Afternoon (09 Dec) | 10ft (3.0m) | 12s |
| Evening (09 Dec) | 10ft (3.0m) | 13s |
Table - waves today at Tywyn. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Tuesday 09 | Wednesday 10 | Thursday 11 | Friday 12 | |||||||||||||||||||||
| 3 PM | 6 PM | 9 PM | 0 AM | 3 AM | 6 AM | 9 AM | 12 PM | 3 PM | 6 PM | 9 PM | 0 AM | 3 AM | 6 AM | 9 AM | 12 PM | 3 PM | 6 PM | 9 PM | 0 AM | 3 AM | 6 AM | 9 AM | 12 PM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 12 | 14 | 13 | 13 | 13 | 13 | 12 | 12 | 12 | 12 | 11 | 6 | 7 | 9 | 9 | 10 | 10 | 11 | 13 | 13 | 14 | 14 | 14 | 13 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 2613 | 4238 | 3028 | 2254 | 1487 | 1226 | 1151 | 918 | 694 | 603 | 459 | 112 | 144 | 307 | 396 | 432 | 560 | 560 | 805 | 711 | 519 | 407 | 326 | 317 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross | cross | cross | cross | cross | cross | cross- off | cross- off | cross- off | cross- on | cross- on | cross | cross |
High Tide / height (m) | 11:19PM 3.59 | 11:41AM 3.97 | 12:14AM 3.27 | 12:38PM 3.66 | 1:17AM 3.02 | |||||||||||||||||||
Low Tide / height (m) | 6:23PM 0.49 | 6:31AM 0.91 | 7:17PM 0.70 | 7:23AM 1.10 | 8:13PM 0.89 | 8:19AM 1.25 | ||||||||||||||||||
Tuesday 09 | Wednesday 10 | Thursday 11 | Friday 12 | |||||||||||||||||||||
| Sunrise | - | - | - | - | - | - | 8:15 | - | - | - | - | - | - | - | 8:15 | - | - | - | - | - | - | - | 8:17 | - |
| Sunset | 4:01 | - | - | - | - | - | - | - | 4:01 | - | - | - | - | - | - | - | 4:00 | - | - | - | - | - | - | - |
 |  |  | | |  |  |  |  |  | | | | | |  | | |  | | | | | | |
Rain (mm) | 1 | 1 | - | 1 | 1 | 1 | 2 | 1 | - | - | - | - | - | - | - | - | - | - | - | - | 3 | - | - | - |
| Temp. °C | 13 | 11 | 11 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 9 | 10 | 9 | 10 | 11 | 11 | 11 | 11 | 12 | 9 | 8 | 8 | 9 |
| Feels °C (?) | 1 | -2 | 1 | 1 | 2 | 2 | 2 | 3 | 3 | 3 | 4 | 3 | 3 | 3 | 3 | 4 | 5 | 4 | 5 | 5 | 2 | 4 | 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)
Latest Updates
Quiksilver Teams Up With PrimaLoft® For World’s First Thermal Layering System for a Wetsuit.
Previously used in our snow jackets for mountain conditions, PrimaLoft® technology is making its debut in the surf industry. The aim is to bring mountain-grade warmth to the waves.
Vancouver Island’s Day Of Days With Reed Platenius
Surf-Forecast recently helped the 21-year-old Canadian pro surfer and adventurer score some cold water perfection at home.
5 Reasons Why Costa Rica Is A Surfer (and Non Surfer) Paradise
With or without a surfboard, Costa Rica is a bucket list destination that has shown what a nation is capable of when nature is put first.
Read more
Discover more articles and updates in the Greenroom.
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.
Nearest