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Porthmeor surfForecast / Cornwall (North) / UK
48hr Weather and Surf, issued 5 am Thursday 04 Dec 2025 GMTForecast update in hr min s Forecast update imminent
Porthmeor surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Porthmeor sea temperature is
12.5° C
(Which is slightly warmer than usual)How big are the waves at Porthmeor today?
The current surf forecast for Porthmeor at 9AM is: 3.5m 12s primary swell from a West direction (forecast issued at 05:00am December 04). The wind direction is predicted to be cross-shore and the swell rating is 11.
| Time (GMT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (04 Dec) | 11ft (3.5m) | 12s |
| Afternoon (04 Dec) | 13ft (4.0m) | 13s |
| Evening (04 Dec) | 13ft (4.0m) | 15s |
Table - waves today at Porthmeor. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Thursday 04 | Friday 05 | Saturday 06 | Sun 07 | |||||||||||||||||||||
| 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 | 9 PM | 0 AM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 12 | 12 | 12 | 12 | 13 | 14 | 15 | 15 | 15 | 15 | 15 | 16 | 16 | 9 | 11 | 12 | 14 | 16 | 17 | 17 | 17 | 16 | 16 | 16 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 3181 | 3462 | 3659 | 4451 | 5480 | 6021 | 6424 | 8938 | 7189 | 6440 | 5715 | 2662 | 1870 | 2086 | 3668 | 6042 | 12150 | 23645 | 31005 | 29676 | 25789 | 22086 | 15015 | 11819 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross | cross | cross | cross | cross- on | cross- on | cross | cross | cross- off | off | off | off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off |
High Tide / height (m) | 3:46AM 5.95 | 4:10PM 6.05 | 4:34AM 6.19 | 4:58PM 6.14 | 5:21AM 6.29 | 5:47PM 6.09 | ||||||||||||||||||
Low Tide / height (m) | 10:11AM 0.27 | 10:35PM 0.19 | 11:02AM 0.08 | 11:24PM 0.14 | 11:51AM 0.03 | |||||||||||||||||||
Thursday 04 | Friday 05 | Saturday 06 | Sun 07 | |||||||||||||||||||||
| Sunrise | - | - | 8:02 | - | - | - | - | - | - | - | 8:03 | - | - | - | - | - | - | - | 8:04 | - | - | - | - | - |
| Sunset | - | - | - | - | 4:20 | - | - | - | - | - | - | - | 4:20 | - | - | - | - | - | - | - | 4:20 | - | - | - |
 |  |  | | |  |  | | | | | |  | |  | | | |  |  | | | | | |
Rain (mm) | 1 | - | 1 | 1 | 1 | 1 | - | 1 | - | - | 1 | 4 | 6 | - | - | 1 | 1 | - | - | - | - | - | - | 2 |
| Temp. °C | 10 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 10 | 9 | 10 | 14 | 12 | 11 | 11 | 11 | 11 | 11 | 11 | 12 | 12 | 12 | 12 |
| Feels °C (?) | 0 | 0 | 1 | 2 | 2 | 2 | 2 | 3 | 3 | 3 | 0 | -1 | 6 | 3 | 0 | -1 | 0 | -1 | 0 | 0 | 2 | 5 | 5 | 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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