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Surf Forecasts:
Porthtowan surfForecast / Cornwall (North) / UK
48hr Weather and Surf, issued 11 pm Monday 08 Dec 2025 GMTForecast update in hr min s Forecast update imminent
Porthtowan surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Porthtowan sea temperature is
12.2° C
(Which is slightly warmer than usual)Updates in hr min s Forecast update imminent
Mon 08 | Tuesday 09 | Wednesday 10 | Thursday 11 | |||||||||||||||||||||
| 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) (?) | 18 | 17 | 17 | 16 | 12 | 14 | 14 | 14 | 14 | 13 | 13 | 12 | 12 | 12 | 12 | 12 | 16 | 15 | 14 | 14 | 13 | 13 | 13 | 14 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 15036 | 11889 | 8855 | 7431 | 7863 | 17415 | 16446 | 13801 | 12201 | 5481 | 7085 | 3094 | 2375 | 1674 | 1504 | 1229 | 2524 | 5826 | 3815 | 2430 | 1659 | 1609 | 3459 | 7526 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross | cross | cross | cross | cross | cross | cross- on | cross- on | cross- on | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off |
High Tide / height (m) | 7:31PM 5.99 | 7:54AM 6.15 | 8:21PM 5.60 | 8:46AM 5.78 | 9:16PM 5.22 | 9:41AM 5.40 | ||||||||||||||||||
Low Tide / height (m) | 1:52AM 0.68 | 2:27PM 0.71 | 2:44AM 1.02 | 3:21PM 1.07 | 3:38AM 1.36 | 4:19PM 1.39 | ||||||||||||||||||
Mon 08 | Tuesday 09 | Wednesday 10 | Thursday 11 | |||||||||||||||||||||
| Sunrise | - | - | - | - | 8:07 | - | - | - | - | - | - | - | 8:07 | - | - | - | - | - | - | - | 8:08 | - | - | - |
| Sunset | - | - | - | - | - | - | 4:17 | - | - | - | - | - | - | - | 4:16 | - | - | - | - | - | - | - | 4:16 | - |
 |  |  |  |  | | |  | | | | |  | | |  | | | | |  | | | | |
Rain (mm) | 2 | 11 | 7 | - | 1 | 2 | 1 | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | 1 |
| Temp. °C | 13 | 13 | 14 | 14 | 14 | 14 | 12 | 12 | 12 | 12 | 11 | 11 | 11 | 11 | 11 | 10 | 10 | 10 | 10 | 11 | 11 | 12 | 12 | 12 |
| Feels °C (?) | 6 | 3 | 3 | 4 | 4 | 3 | 3 | 5 | 6 | 6 | 5 | 6 | 6 | 6 | 7 | 7 | 6 | 5 | 5 | 6 | 6 | 6 | 6 | 6 |
- Map Icons:
Break
Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
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