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Porth Colmon surfForecast / Wales – Lleyn / UK
48hr Weather and Surf, issued 5 pm Tuesday 02 Dec 2025 GMTForecast update in hr min s Forecast update imminent
Porth Colmon surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Porth Colmon sea temperature is
11.7° C
(Which is slightly warmer than usual)How big are the waves at Porth Colmon today?
The current surf forecast for Porth Colmon at 9PM is: 1.3m 9s primary swell from a Southwest direction and 0.4m 15s secondary swell from a West-southwest direction, 0.4m 15s secondary swell from a West-southwest direction (forecast issued at 05:00pm December 02). The wind direction is predicted to be cross-offshore.
| Time (GMT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (02 Dec) | - | - |
| Afternoon (02 Dec) | 5ft (1.6m) | 9s |
| Evening (02 Dec) | 4.5ft (1.3m) | 9s |
Table - waves today at Porth Colmon. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Tuesday 02 | Wednesday 03 | Thursday 04 | Friday 05 | |||||||||||||||||||||
| 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) (?) | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 8 | 9 | 9 | 6 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 7 | 7 | 7 | 18 | 6 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 402 | 325 | 287 | 252 | 225 | 194 | 262 | 250 | 73 | 49 | 432 | 908 | 682 | 493 | 343 | 242 | 235 | 222 | 229 | 242 | 261 | 269 | 31 | 418 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- off | cross- off | cross- off | cross- off | cross | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross | cross | cross | cross- off | cross- off | off |
High Tide / height (m) | 5:46PM 3.84 | 6:17AM 3.82 | 6:38PM 4.05 | 7:04AM 4.07 | 7:27PM 4.19 | 7:50AM 4.26 | ||||||||||||||||||
Low Tide / height (m) | 12:17PM 0.72 | 12:48AM 0.36 | 1:11PM 0.45 | 1:38AM 0.23 | 2:03PM 0.21 | 2:27AM 0.17 | ||||||||||||||||||
Tuesday 02 | Wednesday 03 | Thursday 04 | Friday 05 | |||||||||||||||||||||
| Sunrise | - | - | - | - | - | - | 8:10 | - | - | - | - | - | - | - | 8:11 | - | - | - | - | - | - | - | 8:12 | - |
| Sunset | 4:06 | - | - | - | - | - | - | - | 4:05 | - | - | - | - | - | - | - | 4:05 | - | - | - | - | - | - | - |
 |  |  |  | | |  |  |  | | |  | |  |  | | |  |  | | | | | | |
Rain (mm) | 1 | 1 | 2 | 2 | 1 | 1 | 1 | - | - | 1 | 1 | 7 | 5 | - | 1 | 1 | - | - | - | 1 | - | - | 1 | 3 |
| Temp. °C | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 9 | 9 | 9 | 8 | 8 |
| Feels °C (?) | 3 | 4 | 4 | 4 | 5 | 3 | 3 | 3 | 2 | 2 | 0 | 0 | -1 | 0 | 1 | 1 | 1 | 1 | 0 | 2 | 2 | 0 | -4 | -6 |
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Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
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