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Surf Forecasts:
Porthmeor surfForecast / Cornwall (North) / UK
48hr Weather and Surf, issued 11 am Monday 08 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
12.2° C
(Which is slightly warmer than usual)How big are the waves at Porthmeor today?
The current surf forecast for Porthmeor at 1PM is: 3.0m 20s primary swell from a West direction and 4.0m 12s secondary swell from a West-southwest direction (forecast issued at 11:00am December 08). The wind direction is predicted to be cross-offshore.
| Time (GMT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (08 Dec) | 6ft (1.8m) | 21s |
| Afternoon (08 Dec) | 18ft (5.5m) | 18s |
| Evening (08 Dec) | 16ft (5.0m) | 18s |
Table - waves today at Porthmeor. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Monday 08 | Tuesday 09 | Wednesday 10 | Thursday 11 | |||||||||||||||||||||
| 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 | 3 AM | 6 AM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 21 | 20 | 18 | 18 | 18 | 17 | 17 | 16 | 12 | 13 | 14 | 15 | 13 | 14 | 14 | 13 | 13 | 12 | 11 | 12 | 16 | 15 | 14 | 13 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 2613 | 5853 | 20021 | 19296 | 15036 | 12423 | 9884 | 7339 | 8133 | 12154 | 12575 | 5593 | 8538 | 3585 | 3337 | 2638 | 2037 | 1617 | 1259 | 1117 | 2082 | 4297 | 3762 | 2394 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- off | cross- off | off | off | off | off | off | off | off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross | cross | cross- off | cross- off | cross- off | off | off | off |
High Tide / height (m) | 6:57AM 6.06 | 7:24PM 5.59 | 7:46AM 5.77 | 8:14PM 5.23 | 8:39AM 5.41 | 9:09PM 4.86 | ||||||||||||||||||
Low Tide / height (m) | 1:31PM 0.35 | 1:49AM 0.63 | 2:23PM 0.65 | 2:40AM 0.94 | 3:17PM 0.97 | 3:34AM 1.26 | ||||||||||||||||||
Monday 08 | Tuesday 09 | Wednesday 10 | Thursday 11 | |||||||||||||||||||||
| Sunrise | 8:07 | - | - | - | - | - | - | - | 8:07 | - | - | - | - | - | - | - | 8:08 | - | - | - | - | - | - | - |
| Sunset | - | - | 4:19 | - | - | - | - | - | - | - | 4:19 | - | - | - | - | - | - | - | 4:19 | - | - | - | - | - |
 | |  |  |  | | | | | | | |  | | | |  | | | | | | | | |
Rain (mm) | 1 | 1 | - | - | 4 | 4 | 5 | - | 4 | 1 | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 13 | 13 | 13 | 13 | 13 | 13 | 14 | 14 | 14 | 14 | 12 | 12 | 12 | 12 | 12 | 12 | 11 | 11 | 11 | 11 | 11 | 10 | 10 | 11 |
| Feels °C (?) | 6 | 8 | 7 | 8 | 4 | 2 | 2 | 3 | 2 | 5 | 5 | 6 | 6 | 6 | 6 | 7 | 6 | 7 | 7 | 8 | 8 | 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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