Surf Forecasts:
Tywyn surf forecast from 9 Aug 2026:
- Best quality surf: Saturday 15 Aug, 10PM (local time) - 3.5ft (1.0m), 6s period, NNW swell with cross-offshore winds.
- Most powerful swell: Saturday 15 Aug, 7PM (local time) - 3.5ft (1.1m), 6s period, NNW swell with 74 kJ wave energy.
- Next surfable swell (1★+): Saturday 15 Aug, 10PM (local time) - 3.5ft (1.0m), 6s period with NNW 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 Saturday (Aug 15) at 10PM. The primary swell is predicted to be 1.0m and 6s period with a secondary swell of 0.1m and 7s. 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 1.1m 6s and forecast to arrive on Saturday (Aug 15) at 7PM. Winds are predicted to be cross-shore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.8m 6s period and expected on Sunday (Aug 16) at 1AM.
| Wave Type | Time (BST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 10PM (Sat 15th Aug) | 3.5ft (1.0m) 6s |
| Best Surf | 10PM (Sat 15th Aug) | 3.5ft (1.0m) 6s |
| Most Powerful | 7PM (Sat 15th Aug) | 3.5ft (1.1m) 6s |
Table - best surf conditions forecast for Tywyn over the next 16 days.
Short Range ForecastMostly dry. Warm (max 24°C on Tue morning, min 13°C on Sun night). Wind will be generally light. | Days 4-6 Weather SummaryMostly dry. Warm (max 27°C on Wed morning, min 14°C on Fri night). Wind will be generally light. | ||||||||||||||||||||
Sunday 9 | Monday 10 | Tuesday 11 | Wednesday 12 | Thursday 13 | Friday 14 | Saturday 15 | |||||||||||||||
AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | |
Swell Height Map |  |  |  |  |  |  |  | ||||||||||||||
Wave Height (m) Direction Period (s) | SW 7 | WSW 3 | W 4 | NW 4 | NW 3 | SW 6 | SW 7 | W 6 | W 12 | W 10 | WSW 10 | WSW 9 | WSW 9 | WSW 9 | WSW 9 | SW 5 | WSW 4 | SW 8 | NW 5 | NNW 5 | W 7 |
Wave Graph  | |||||||||||||||||||||
 kJ | 2 | 2 | 9 | 3 | 3 | 2 | 2 | 1 | 3 | 8 | 9 | 16 | 15 | 16 | 8 | 5 | 3 | 3 | 29 | 58 | 1 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross-on | cross-on | cross | cross-on | off | off | cross-on | off | glassy | cross-on | glassy | cross | on | cross-off | glassy | cross-on | cross-off | cross | cross-on | cross-off |
High Tide | 5:58PM3.49m | 6:33AM3.55m | 7:01PM3.86m | 7:31AM3.83m | 7:54PM4.25m | 8:21AM4.07m | 8:42PM4.58m | 9:07AM4.25m | 9:26PM4.78m | 9:50AM4.32m | 10:08PM4.84m | 10:31AM4.29m | 10:49PM4.74m | ||||||||
Low Tide | 12:50PM1.15m | 1:29AM0.92m | 1:57PM0.87m | 2:31AM0.53m | 2:50PM0.56m | 3:21AM0.18m | 3:36PM0.32m | 4:06AM-0.06m | 4:17PM0.16m | 4:48AM-0.15m | 4:56PM0.12m | 5:27AM-0.10m | 5:33PM0.19m | ||||||||
 | |  | | |  |  | | | | | | | | |  | | | | |  | |
 | 5:47 | — | — | 5:48 | — | — | 5:50 | — | — | 5:52 | — | — | 5:54 | — | — | 5:56 | — | — | 5:56 | — | — |
 | — | 8:54 | — | — | 8:52 | — | — | 8:51 | — | — | 8:49 | — | — | 8:46 | — | — | 8:45 | — | — | 8:43 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 2 |
Temp °C | 18 | 18 | 17 | 16 | 17 | 16 | 24 | 23 | 21 | 27 | 26 | 23 | 25 | 25 | 19 | 20 | 21 | 19 | 19 | 21 | 17 |
Feels °C | 17 | 17 | 17 | 13 | 15 | 15 | 22 | 21 | 20 | 25 | 24 | 22 | 22 | 23 | 20 | 21 | 22 | 19 | 15 | 17 | 16 |
Swell 1 Height (m) Direction Period (s) | SW 7 | — | W 4 | NW 4 | WSW 5 | NNW 3 | SW 7 | W 6 | W 12 | W 10 | WSW 10 | WSW 9 | WSW 9 | WSW 9 | WSW 9 | SW 5 | WSW 4 | SW 8 | WSW 8 | WSW 7 | NNW 6 |
| kJ | 2 | — | 9 | 2 | 3 | 1 | 2 | 1 | 3 | 8 | 9 | 16 | 15 | 16 | 8 | 5 | 2 | 3 | 6 | 5 | 39 |
Swell 2 Height (m) Direction Period (s) | — | — | — | WSW 5 | — | SW 6 | — | — | — | — | W 6 | — | — | — | — | W 9 | SW 8 | — | — | — | W 7 |
| kJ | — | — | — | 3 | — | 2 | — | — | — | — | 1 | — | — | — | — | 2 | 3 | — | — | — | 1 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | SW 4 | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | — | — | — |
Wind waves Height (m) Direction Period (s) | W 3 | WSW 3 | — | — | NW 3 | — | ESE 2 | — | — | — | — | — | — | — | — | — | — | — | NW 5 | NNW 5 | — |
| kJ | 1 | 2 | — | — | 3 | — | 1 | — | — | — | — | — | — | — | — | — | — | — | 29 | 58 | — |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 361 | 472 | 336 | 291 | 291 | 237 | 357 | 358 | 107 | 157 | 109 | 102 | 102 | 291 | 102 | 114 | 326 | 291 | 252 | 372 | 367 |
Best forecast wave conditions in Mid Wales | |||||||||||||||||||||
Best forecast wave conditions in United Kingdom | |||||||||||||||||||||
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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.
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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