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Surf Forecasts:
Porthmeor surfForecast / Cornwall (North) / UK
48hr Weather and Surf, issued 5 pm Tuesday 16 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
12.1° C
(Which is slightly warmer than usual)How big are the waves at Porthmeor today?
The current surf forecast for Porthmeor at 10PM is: 2.5m 14s primary swell from a West direction (forecast issued at 05:00pm December 16). The wind direction is predicted to be cross-offshore and the swell rating is 4.
| Time (GMT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (16 Dec) | - | - |
| Afternoon (16 Dec) | 10ft (3.0m) | 14s |
| Evening (16 Dec) | 8ft (2.5m) | 14s |
Table - waves today at Porthmeor. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Tuesday 16 | Wednesday 17 | Thursday 18 | Friday 19 | |||||||||||||||||||||
| 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) (?) | 14 | 14 | 14 | 14 | 14 | 14 | 13 | 13 | 12 | 12 | 11 | 12 | 21 | 21 | 20 | 19 | 19 | 18 | 18 | 18 | 17 | 17 | 17 | 17 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 3253 | 3180 | 2898 | 2651 | 2561 | 1770 | 1266 | 2652 | 2338 | 2151 | 4742 | 2119 | 20868 | 28801 | 31161 | 24338 | 21338 | 19597 | 17955 | 20720 | 16681 | 17350 | 17154 | 15761 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- on | cross- on | cross- off | cross- off | off | off | off | off | off | off | cross- off | cross- off | cross- off | off | cross- off | cross- off | cross- off | cross | cross | cross- off | cross- off | cross- off | cross- off | cross- off |
High Tide / height (m) | 2:36PM 4.70 | 3:00AM 4.82 | 3:20PM 4.87 | 3:41AM 5.03 | 4:00PM 5.03 | 4:19AM 5.22 | ||||||||||||||||||
Low Tide / height (m) | 8:59PM 1.44 | 9:23AM 1.40 | 9:41PM 1.29 | 10:04AM 1.22 | 10:21PM 1.14 | 10:43AM 1.05 | ||||||||||||||||||
Tuesday 16 | Wednesday 17 | Thursday 18 | Friday 19 | |||||||||||||||||||||
| Sunrise | - | - | - | - | - | - | 8:15 | - | - | - | - | - | - | - | 8:15 | - | - | - | - | - | - | - | 8:17 | - |
| Sunset | 4:19 | - | - | - | - | - | - | - | 4:19 | - | - | - | - | - | - | - | 4:19 | - | - | - | - | - | - | - |
 |  |  | | |  |  | |  |  | | | | | | | |  | | | | | | | |
Rain (mm) | - | - | - | - | - | - | 1 | 3 | 6 | 2 | 4 | - | - | - | 5 | 10 | 2 | 2 | - | - | - | - | - | - |
| Temp. °C | 10 | 9 | 9 | 9 | 10 | 11 | 10 | 10 | 11 | 12 | 13 | 12 | 11 | 11 | 10 | 10 | 11 | 10 | 10 | 10 | 10 | 10 | 10 | 10 |
| Feels °C (?) | 6 | 6 | 6 | 4 | 3 | 3 | 1 | 0 | 1 | 2 | 5 | 8 | 7 | 8 | 8 | 6 | 3 | 1 | 1 | 1 | 1 | 2 | 3 | 2 |
- Map Icons:
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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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