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Porthmeor surfForecast / Cornwall (North) / UK
48hr Weather and Surf, issued 11 am Monday 17 Nov 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
13.6° C
(Which is 1.3°C warmer than normal for this time of year)How big are the waves at Porthmeor today?
The current surf forecast for Porthmeor at 3PM is: 0.5m 12s primary swell from a West direction and 0.8m 6s secondary swell from a North direction (forecast issued at 11:00am November 17). The wind direction is predicted to be cross-onshore.
| Time (GMT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (17 Nov) | 1.5ft (0.5m) | 13s |
| Afternoon (17 Nov) | 1.5ft (0.5m) | 12s |
| Evening (17 Nov) | 1.5ft (0.5m) | 12s |
Table - waves today at Porthmeor. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Monday 17 | Tuesday 18 | Wednesday 19 | Thursday 20 | |||||||||||||||||||||
| 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) (?) | 13 | 13 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 5 | 5 | 6 | 6 | 7 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 7 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 87 | 85 | 77 | 74 | 73 | 72 | 72 | 45 | 45 | 44 | 44 | 54 | 110 | 216 | 374 | 569 | 663 | 853 | 1029 | 936 | 865 | 843 | 743 | 724 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- on | cross- on | cross- on | cross- on | glass | cross- off | cross | cross | cross- on | cross | cross | cross- on | cross- on | cross- on | cross- on | on | on | on | on | on | on | on | on | on |
High Tide / height (m) | 3:11PM 5.13 | 3:32AM 5.20 | 3:48PM 5.30 | 4:06AM 5.40 | 4:22PM 5.42 | 4:39AM 5.53 | ||||||||||||||||||
Low Tide / height (m) | 9:16AM 1.17 | 9:35PM 0.98 | 9:53AM 0.98 | 10:09PM 0.86 | 10:26AM 0.84 | 10:41PM 0.79 | ||||||||||||||||||
Monday 17 | Tuesday 18 | Wednesday 19 | Thursday 20 | |||||||||||||||||||||
| Sunrise | 7:37 | - | - | - | - | - | - | - | 7:39 | - | - | - | - | - | - | - | 7:39 | - | - | - | - | - | - | - |
| Sunset | - | - | 4:35 | - | - | - | - | - | - | - | 4:34 | - | - | - | - | - | - | - | 4:31 | - | - | - | - | - |
 |  | |  | |  |  | | |  | | | |  | |  |  | | | | | | | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | 1 | - | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
| Temp. °C | 8 | 9 | 8 | 8 | 7 | 7 | 9 | 9 | 10 | 10 | 10 | 10 | 11 | 10 | 9 | 8 | 7 | 7 | 7 | 7 | 7 | 7 | 6 | 7 |
| Feels °C (?) | 3 | 4 | 4 | 4 | 5 | 4 | 5 | 4 | 4 | 4 | 4 | 3 | 3 | 1 | -1 | -4 | -5 | -5 | -5 | -4 | -4 | -4 | -5 | -4 |
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Surf Rating (10 Max)
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