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Porthtowan Surf Forecast
/ Cornwall (North) (60 surf breaks) /
Surf Forecasts:
Porthtowan surfForecast / Cornwall (North) / UK
48hr Weather and Surf, issued 11 am Saturday 29 Nov 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
12.7° C
(Which is slightly warmer than usual)How big are the waves at Porthtowan today?
The current surf forecast for Porthtowan at 5PM is: 2.5m 12s primary swell from a West direction and 1.3m 5s secondary swell from a North-northwest direction (forecast issued at 11:00am November 29). The wind direction is predicted to be onshore.
| Time (GMT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (29 Nov) | 11ft (3.5m) | 13s |
| Afternoon (29 Nov) | 10ft (3.0m) | 12s |
| Evening (29 Nov) | 10ft (3.0m) | 12s |
Table - waves today at Porthtowan. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Saturday 29 | Sunday 30 | Monday 01 | Tuesday 02 | |||||||||||||||||||||
| 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 | 12 | 12 | 12 | 12 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 6 | 8 | 9 | 10 | 10 | 9 | 9 | 10 | 10 | 13 | 14 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 4130 | 3123 | 2759 | 1857 | 2433 | 1394 | 1030 | 934 | 843 | 741 | 730 | 375 | 319 | 455 | 1224 | 2083 | 1227 | 3153 | 2403 | 2462 | 1670 | 1631 | 1308 | 2114 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- on | cross- on | cross- on | on | on | on | on | on | cross- on | cross | cross | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- on | on | on | cross |
High Tide / height (m) | 11:24AM 4.99 | 12:05AM 4.84 | 12:33PM 5.19 | 1:12AM 5.16 | 1:37PM 5.51 | 2:10AM 5.57 | ||||||||||||||||||
Low Tide / height (m) | 6:00PM 1.60 | 6:26AM 1.67 | 7:06PM 1.34 | 7:31AM 1.36 | 8:05PM 1.00 | |||||||||||||||||||
Saturday 29 | Sunday 30 | Monday 01 | Tuesday 02 | |||||||||||||||||||||
| Sunrise | 7:54 | - | - | - | - | - | - | - | 7:56 | - | - | - | - | - | - | - | 7:58 | - | - | - | - | - | - | - |
| Sunset | - | - | 4:22 | - | - | - | - | - | - | - | 4:21 | - | - | - | - | - | - | - | 4:21 | - | - | - | - | - |
 | |  |  |  | | | | |  | |  | |  | | |  |  | | | | | | | |
Rain (mm) | 1 | 1 | - | - | - | - | - | - | - | - | - | - | - | 2 | 1 | 1 | 1 | - | 1 | 3 | 2 | - | 2 | - |
| Temp. °C | 9 | 10 | 10 | 9 | 9 | 8 | 8 | 8 | 9 | 10 | 10 | 10 | 11 | 10 | 11 | 12 | 13 | 13 | 13 | 13 | 11 | 9 | 9 | 9 |
| Feels °C (?) | 2 | 3 | 3 | -1 | 0 | 0 | 1 | 2 | 5 | 5 | 4 | 3 | 4 | 1 | 2 | 4 | 5 | 4 | 4 | 3 | 3 | 3 | 4 | 5 |
- 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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