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Tywyn Surf Forecast
/ Wales – Mid (13 surf breaks) /
Surf Forecasts:
Tywyn surfForecast / Wales – Mid / UK
48hr Weather and Surf, issued 6 am Thursday 21 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
12.6° C
(Which is 1.5°C warmer than normal for this time of year)How big are the waves at Tywyn today?
The current surf forecast for Tywyn at 2PM is: 0.8m 8s primary swell from a West-southwest direction (forecast issued at 06:00am May 21). The wind direction is predicted to be cross-onshore.
| Time (BST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (21 May) | 3ft (0.9m) | 7s |
| Afternoon (21 May) | 2.5ft (0.7m) | 8s |
| Evening (21 May) | 1.5ft (0.5m) | 8s |
Table - waves today at Tywyn. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastMostly dry. Very mild (max 18°C on Fri morning, min 13°C on Fri night). Wind will be generally light. | ||||||||||||||||||||||||
Thursday 21 | Friday 22 | Saturday 23 | Sun 24 | |||||||||||||||||||||
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 | 10 AM | 1 PM | 4 PM | 7 PM | 10 PM | 1 AM | |
Swell Height Map |    |    |    |    | ||||||||||||||||||||
WSW 9 | SW 7 | SW 7 | WSW 8 | WSW 8 | WSW 8 | WSW 9 | WSW 9 | WSW 9 | WSW 10 | WSW 10 | WSW 10 | WSW 11 | WSW 11 | WSW 10 | WSW 10 | WSW 10 | WSW 10 | WSW 10 | WSW 10 | WSW 10 | WSW 9 | WSW 9 | WSW 9 | |
68 | 75 | 77 | 72 | 54 | 56 | 43 | 46 | 50 | 61 | 65 | 97 | 99 | 64 | 60 | 39 | 38 | 56 | 38 | 38 | 31 | 29 | 17 | 16 | |
Wind (km/h) | ||||||||||||||||||||||||
cross | cross | cross | cross-on | cross-on | glassy | cross-off | cross-off | cross-off | cross-off | cross-on | cross-on | cross-on | glassy | cross-on | cross | cross-on | cross | cross-on | on | on | glassy | glassy | glassy | |
High Tide | 12:12PM3.77m | 00:35AM4.04m | 1:10PM3.40m | 1:36AM3.75m | 2:17PM3.11m | |||||||||||||||||||
Low Tide | 7:14AM0.46m | 7:30PM0.88m | 8:15AM0.63m | 8:30PM1.05m | 9:18AM0.77m | 9:33PM1.17m | ||||||||||||||||||
 |  |  | | | |  | | | | |  | | | |  | | |  | | | | | | |
 | 5:11 | — | — | — | — | — | — | — | 5:09 | — | — | — | — | — | — | — | 5:09 | — | — | — | — | — | — | 5:07 |
 | — | — | — | — | — | 9:14 | — | — | — | — | — | — | — | 9:15 | — | — | — | — | — | — | — | 9:16 | — | 9:19 |
1 | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 12 | 13 | 14 | 16 | 17 | 17 | 17 | 16 | 15 | 15 | 17 | 18 | 18 | 16 | 15 | 14 | 13 | 13 | 14 | 15 | 15 | 14 | 14 | 14 |
8 | 9 | 11 | 14 | 16 | 17 | 17 | 14 | 13 | 13 | 16 | 16 | 17 | 17 | 14 | 13 | 12 | 13 | 13 | 14 | 14 | 14 | 14 | 13 | |
Swell 1 Height (m) Direction Period (s) | WSW 9 | W 11 | — | — | — | WSW 8 | WSW 9 | WSW 9 | WSW 9 | WSW 10 | WSW 10 | WSW 10 | WSW 11 | WSW 11 | WSW 10 | WSW 10 | WSW 10 | WSW 10 | WSW 10 | WSW 10 | WSW 10 | WSW 9 | WSW 9 | WSW 9 |
 kJ | 68 | 10 | — | — | — | 56 | 43 | 46 | 50 | 61 | 65 | 97 | 99 | 64 | 60 | 39 | 38 | 56 | 38 | 38 | 31 | 29 | 17 | 16 |
Swell 2 Height (m) Direction Period (s) | WSW 11 | — | — | — | — | — | — | — | — | — | — | — | — | — | SW 4 | WSW 4 | WSW 4 | — | — | — | — | — | — | — |
| kJ | 13 | — | — | — | — | — | — | — | — | — | — | — | — | — | 4 | 3 | 3 | — | — | — | — | — | — | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | S 3 | SW 7 | SW 7 | WSW 8 | WSW 8 | — | — | — | — | — | — | — | — | SW 4 | — | — | — | — | — | — | — | — | — | — |
| kJ | 3 | 75 | 77 | 72 | 54 | — | — | — | — | — | — | — | — | 3 | — | — | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 178 | 178 | 152 | 109 | 111 | 0 | 104 | 53 | 109 | 0 | 109 | 38 | 116 | 0 | 53 | 38 | 38 | 53 | 102 | 38 | 38 | 110 | 102 | 102 |
Best forecast wave conditions in Mid Wales | ||||||||||||||||||||||||
Best forecast wave conditions in United Kingdom | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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