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Porthtowan Surf Forecast
/ Cornwall (North) (60 surf breaks) /
Surf Forecasts:
Porthtowan surfForecast / Cornwall (North) / UK
48hr Weather and Surf, issued 5 pm Thursday 27 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
12.9° C
(Which is 1.0°C warmer than normal for this time of year)How big are the waves at Porthtowan today?
The current surf forecast for Porthtowan at 8PM is: 2.5m 9s primary swell from a West direction (forecast issued at 05:00pm November 27). An open ocean swell of 0.1m 13s is not directed at the surf break, a second open ocean swell of 0.1m 19s is not directed at the surf break. The wind direction is predicted to be cross-onshore.
| Time (GMT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (27 Nov) | - | - |
| Afternoon (27 Nov) | 8ft (2.5m) | 9s |
| Evening (27 Nov) | 8ft (2.5m) | 9s |
Table - waves today at Porthtowan. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Thursday 27 | Friday 28 | Saturday 29 | Sunday 30 | |||||||||||||||||||||
| 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) (?) | 9 | 9 | 9 | 10 | 19 | 17 | 16 | 16 | 15 | 14 | 14 | 14 | 13 | 13 | 13 | 12 | 12 | 12 | 12 | 11 | 11 | 11 | 11 | 11 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 1048 | 909 | 1064 | 1290 | 7690 | 9688 | 11570 | 8842 | 7795 | 8348 | 6163 | 5186 | 5152 | 4728 | 3319 | 2627 | 2375 | 1513 | 1208 | 1011 | 934 | 1030 | 917 | 517 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross | cross- on | cross- on | cross- on | cross- on | cross | cross | cross | cross- on | cross | cross | cross | on | on | on | on | on | on | cross- on | on | on | on | cross- on | on |
High Tide / height (m) | 9:45PM 4.73 | 10:14AM 4.96 | 10:53PM 4.69 | 11:24AM 4.99 | 12:05AM 4.84 | |||||||||||||||||||
Low Tide / height (m) | 3:46PM 1.71 | 4:06AM 1.83 | 4:51PM 1.73 | 5:15AM 1.83 | 6:00PM 1.60 | 6:26AM 1.67 | ||||||||||||||||||
Thursday 27 | Friday 28 | Saturday 29 | Sunday 30 | |||||||||||||||||||||
| Sunrise | - | - | - | - | - | - | 7:52 | - | - | - | - | - | - | - | 7:54 | - | - | - | - | - | - | - | 7:56 | - |
| Sunset | 4:23 | - | - | - | - | - | - | - | 4:22 | - | - | - | - | - | - | - | 4:22 | - | - | - | - | - | - | - |
 |  | |  | | |  | | | | | |  | |  | |  | |  | | | | |  | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | 7 | 8 | 1 | 1 | 1 | - | - | - | - | - | 1 | - |
| Temp. °C | 14 | 13 | 12 | 11 | 11 | 12 | 12 | 12 | 11 | 11 | 12 | 12 | 10 | 9 | 9 | 10 | 9 | 9 | 9 | 9 | 8 | 9 | 8 | 9 |
| Feels °C (?) | 8 | 8 | 7 | 6 | 6 | 6 | 5 | 4 | 4 | 6 | 4 | 4 | 6 | 4 | 4 | 5 | 3 | 0 | 0 | 1 | 1 | 3 | 4 | 4 |
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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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