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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 am Saturday 21 Feb 2026 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
9.9° C
(Which is normal for this time of year)How big are the waves at Porthtowan today?
The current surf forecast for Porthtowan at 11AM is: 4.0m 17s primary swell from a West direction and 3.0m 18s secondary swell from a West direction (forecast issued at 05:00am February 21). The wind direction is predicted to be cross-shore and the swell rating is 11.
| Time (GMT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (21 Feb) | 10ft (3.0m) | 18s |
| Afternoon (21 Feb) | 15ft (4.5m) | 17s |
| Evening (21 Feb) | 11ft (3.5m) | 16s |
Table - waves today at Porthtowan. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Saturday 21 | Sunday 22 | Monday 23 | Tue 24 | |||||||||||||||||||||
| 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 | 3 PM | 6 PM | 9 PM | 0 AM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 18 | 18 | 18 | 17 | 17 | 16 | 16 | 16 | 15 | 14 | 14 | 14 | 14 | 14 | 15 | 15 | 16 | 16 | 16 | 16 | 15 | 15 | 14 | 14 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 10565 | 4529 | 5472 | 11438 | 10193 | 8544 | 6865 | 6791 | 6034 | 5631 | 5306 | 4879 | 4606 | 5067 | 6008 | 6617 | 7707 | 7654 | 7678 | 7207 | 6385 | 5266 | 4428 | 4084 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross- on | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross- off | cross- off |
High Tide / height (m) | 7:25AM 6.64 | 7:44PM 6.35 | 8:03AM 6.39 | 8:24PM 6.07 | 8:47AM 5.98 | 9:10PM 5.67 | ||||||||||||||||||
Low Tide / height (m) | 1:44PM 0.20 | 1:59AM 0.35 | 2:22PM 0.49 | 2:39AM 0.67 | 3:04PM 0.89 | |||||||||||||||||||
Saturday 21 | Sunday 22 | Monday 23 | Tue 24 | |||||||||||||||||||||
| Sunrise | - | - | 7:20 | - | - | - | - | - | - | - | 7:18 | - | - | - | - | - | - | - | 7:16 | - | - | - | - | - |
| Sunset | - | - | - | - | 5:47 | - | - | - | - | - | - | - | 5:49 | - | - | - | - | - | - | - | 5:51 | - | - | - |
 |  |  | |  | | |  | | | | | |  | | | | | | | | | | | |
Rain (mm) | - | - | - | - | 1 | - | - | 1 | 1 | 2 | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 10 | 10 | 11 | 12 | 12 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 10 | 10 | 10 | 10 | 10 | 10 | 12 | 12 | 12 | 12 | 11 |
| Feels °C (?) | 4 | 5 | 6 | 7 | 6 | 5 | 5 | 5 | 5 | 6 | 7 | 6 | 6 | 5 | 5 | 4 | 4 | 4 | 5 | 6 | 6 | 7 | 7 | 5 |
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Live Wave Height (m)
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Ocean Swells (m)- Wind Speed (km/h)
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The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our Porthtowan surf forecast. Simply grab the html code snippet that we provide and paste it into your own site. You can choose your preferred language and metric/imperial units for the surf forecast feed to suit users of your site. Click here to get the code.
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