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Tywyn Surf Forecast
/ Wales – Mid (13 surf breaks) /
Surf Forecasts:
Tywyn surfForecast / Wales – Mid / UK
48hr Weather and Surf, issued 12 pm Sunday 17 May 2026 BSTForecast 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
12.2° C
(Which is 1.2°C warmer than normal for this time of year)How big are the waves at Tywyn today?
The current surf forecast for Tywyn at 5PM is: 0.9m 5s primary swell from a West-southwest direction and 0.3m 4s secondary swell from a Northwest direction (forecast issued at 12:00pm May 17). The wind direction is predicted to be cross-onshore.
| Time (BST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (17 May) | 3ft (0.9m) | 5s |
| Afternoon (17 May) | 2.5ft (0.8m) | 5s |
| Evening (17 May) | 3ft (0.9m) | 5s |
Table - waves today at Tywyn. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastHeavy rain (total 29mm), heaviest during Mon night. Very mild (max 13°C on Tue morning, min 9°C on Sun night). Winds increasing (light winds from the SW on Mon afternoon, strong winds from the SW by Tue afternoon). | ||||||||||||||||||||||||
Sun 17 | Monday 18 | Tuesday 19 | Wed 20 | |||||||||||||||||||||
10 AM | 1 PM | 4 PM | 7 PM | 10 PM | 1 AM | 4 AM | 7 AM | 10 AM | 1 PM | 4 PM | 7 PM | 10 PM | 1 AM | 4 AM | 7 AM | 10 AM | 1 PM | 4 PM | 7 PM | 10 PM | 1 AM | 4 AM | 7 AM | |
Swell Height Map |    |    |    |    | ||||||||||||||||||||
W 5 | WSW 5 | WSW 4 | WSW 5 | WSW 5 | WSW 6 | WSW 6 | WSW 7 | WSW 6 | WSW 7 | WSW 6 | WSW 6 | WSW 6 | WSW 6 | SW 6 | SSW 7 | WSW 7 | SW 5 | WSW 7 | WSW 7 | SW 8 | WSW 8 | WSW 9 | WSW 9 | |
27 | 14 | 28 | 58 | 42 | 43 | 50 | 45 | 33 | 25 | 14 | 13 | 8 | 13 | 16 | 57 | 20 | 70 | 229 | 259 | 358 | 572 | 549 | 435 | |
Wind (km/h) | ||||||||||||||||||||||||
on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross | cross-off | cross-off | cross-off | cross | cross | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | |
High Tide | 8:59AM4.62m | 9:21PM4.63m | 9:45AM4.60m | 10:06PM4.65m | 10:32AM4.43m | 10:53PM4.53m | ||||||||||||||||||
Low Tide | 4:05PM0.24m | 4:30AM0.18m | 4:53PM0.34m | 5:22AM0.20m | 5:43PM0.49m | 6:17AM0.31m | ||||||||||||||||||
 |  |  | |  |  | | | | |  | | | | | | | | |  | | | | | |
 | 5:16 | — | — | — | — | — | 5:16 | — | — | — | — | — | — | — | 5:13 | — | — | — | — | — | — | — | 5:13 | — |
 | — | — | — | 9:07 | — | — | — | — | — | — | — | 9:09 | — | — | — | — | — | — | — | 9:10 | — | — | — | 9:13 |
1 | — | 1 | 1 | 2 | 1 | 1 | 1 | 1 | — | — | — | 1 | 2 | 4 | 3 | 1 | 1 | — | — | 3 | 4 | 1 | — | |
Temp °C | 10 | 10 | 10 | 10 | 9 | 9 | 9 | 9 | 10 | 11 | 11 | 12 | 11 | 11 | 11 | 12 | 13 | 12 | 12 | 13 | 12 | 12 | 12 | 12 |
5 | 4 | 4 | 4 | 5 | 5 | 6 | 6 | 7 | 8 | 9 | 9 | 7 | 6 | 6 | 9 | 9 | 5 | 4 | 6 | 5 | 5 | 6 | 6 | |
Swell 1 Height (m) Direction Period (s) | W 13 | NW 4 | NW 4 | — | — | W 11 | WSW 6 | WSW 7 | WSW 6 | WSW 7 | WSW 6 | WSW 6 | WSW 6 | WSW 6 | SW 6 | — | WSW 7 | — | — | — | — | — | — | — |
 kJ | 3 | 7 | 3 | — | — | 2 | 50 | 45 | 33 | 25 | 14 | 13 | 8 | 13 | 16 | — | 20 | — | — | — | — | — | — | — |
Swell 2 Height (m) Direction Period (s) | — | W 12 | — | — | — | — | W 11 | W 11 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | 3 | — | — | — | — | 3 | 3 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | W 5 | WSW 5 | WSW 4 | WSW 5 | WSW 5 | WSW 6 | — | — | — | — | — | — | SSE 2 | SSE 3 | SSE 3 | SSW 7 | SSW 4 | SW 5 | WSW 7 | WSW 7 | SW 8 | WSW 8 | WSW 9 | WSW 9 |
| kJ | 27 | 14 | 28 | 58 | 42 | 43 | — | — | — | — | — | — | 1 | 3 | 7 | 57 | 10 | 70 | 229 | 259 | 358 | 572 | 549 | 435 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 304 | 301 | 301 | 301 | 301 | 304 | 33 | 38 | 38 | 38 | 229 | 217 | 334 | 347 | 347 | 347 | 334 | 389 | 375 | 304 | 304 | 330 | 363 | 336 |
Best forecast wave conditions in Mid Wales | ||||||||||||||||||||||||
Best forecast wave conditions in United Kingdom | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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