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Porth Towyn surfForecast / Wales – Lleyn / UK
48hr Weather and Surf, issued 11 pm Thursday 04 Dec 2025 GMTForecast update in hr min s Forecast update imminent
Porth Towyn surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Porth Towyn sea temperature is
11.3° C
(Which is normal for this time of year)How big are the waves at Porth Towyn today?
The current surf forecast for Porth Towyn at 4AM is: 1.1m 9s primary swell from a Southwest direction and 0.4m 15s secondary swell from a Southwest direction, 0.1m 4s secondary swell from a Northwest direction (forecast issued at 11:00pm December 04). The wind direction is predicted to be cross-shore.
| Time (GMT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (05 Dec) | 2.5ft (0.7m) | 9s |
| Afternoon (05 Dec) | 11ft (3.5m) | 8s |
| Evening (05 Dec) | 11ft (3.5m) | 10s |
Table - waves today at Porth Towyn. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Friday 05 | Saturday 06 | Sunday 07 | ||||||||||||||||||||||
| 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 | 3 PM | 6 PM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |  |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 9 | 9 | 9 | 8 | 9 | 7 | 8 | 9 | 10 | 10 | 10 | 11 | 12 | 16 | 9 | 8 | 10 | 10 | 10 | 10 | 10 | 9 | 7 | 8 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 155 | 197 | 189 | 184 | 81 | 611 | 1478 | 2076 | 2262 | 1956 | 2536 | 3124 | 3233 | 6489 | 2219 | 1729 | 2140 | 1369 | 653 | 496 | 327 | 166 | 428 | 589 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross | cross | cross | cross- off | cross- off | cross- off | off | cross- off | cross | cross- off | cross | cross | cross | cross- on | cross | cross- on | cross | cross | cross | off | off | off | cross- off | cross- on |
High Tide / height (m) | 7:44PM 3.93 | 8:07AM 3.99 | 8:32PM 3.95 | 8:53AM 4.07 | 9:21PM 3.85 | 9:40AM 4.06 | ||||||||||||||||||
Low Tide / height (m) | 2:53AM 0.10 | 3:19PM -0.02 | 3:41AM 0.12 | 4:09PM -0.08 | 4:29AM 0.20 | 5:00PM -0.04 | ||||||||||||||||||
Friday 05 | Saturday 06 | Sunday 07 | ||||||||||||||||||||||
| Sunrise | - | - | - | - | 8:12 | - | - | - | - | - | - | - | 8:14 | - | - | - | - | - | - | - | 8:15 | - | - | - |
| Sunset | - | - | - | - | - | - | 4:04 | - | - | - | - | - | - | - | 4:02 | - | - | - | - | - | - | - | 4:02 | - |
 |  |  | |  | | |  | | | | | | | | | |  | | | | |  |  | |
Rain (mm) | - | - | 1 | 1 | 1 | 1 | 3 | 8 | 2 | 1 | 1 | 1 | 2 | 2 | 1 | 1 | - | - | - | - | 1 | 5 | 6 | 3 |
| Temp. °C | 9 | 8 | 10 | 10 | 9 | 9 | 9 | 11 | 11 | 10 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 10 | 11 | 12 | 12 | 11 |
| Feels °C (?) | 3 | 2 | 4 | 4 | -1 | -4 | -6 | 0 | -1 | 1 | 2 | 2 | 2 | -1 | 1 | 2 | 2 | 3 | 6 | 5 | 4 | 4 | 7 | 3 |
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