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Porthtowan Surf Forecast
/ Cornwall (North) (60 surf breaks) /
Surf Forecasts:
Porthtowan surfForecast / Cornwall (North) / UK
48hr Weather and Surf, issued 12 pm Monday 20 Apr 2026 BSTForecast 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
11.6° C
(Which is 1.3°C warmer than normal for this time of year)How big are the waves at Porthtowan today?
The current surf forecast for Porthtowan at 6PM is: 0.5m 14s primary swell from a West direction and 0.4m 9s secondary swell from a West-northwest direction (forecast issued at 12:00pm April 20). An open ocean swell of 0.8m 6s is not directed at the surf break. The wind direction is predicted to be cross-offshore.
| Time (BST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (20 Apr) | 2ft (0.6m) | 10s |
| Afternoon (20 Apr) | 1.5ft (0.5m) | 9s |
| Evening (20 Apr) | 1.5ft (0.5m) | 14s |
Table - waves today at Porthtowan. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Monday 20 | Tuesday 21 | Wednesday 22 | Thursday 23 | |||||||||||||||||||||
| 10 AM | 1 PM | 4 PM | 7 PM | 10 PM | 1 AM | 4 AM | 7 AM | 10 AM | 1 PM | 4 PM | 7 PM | 10 PM | 1 AM | 4 AM | 7 AM | 10 AM | 1 PM | 4 PM | 7 PM | 10 PM | 1 AM | 4 AM | 7 AM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 10 | 9 | 9 | 14 | 13 | 14 | 13 | 13 | 12 | 12 | 12 | 14 | 14 | 13 | 13 | 13 | 13 | 6 | 12 | 12 | 11 | 11 | 8 | 12 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 65 | 43 | 43 | 103 | 90 | 213 | 218 | 232 | 205 | 198 | 189 | 115 | 192 | 141 | 98 | 66 | 54 | 29 | 14 | 14 | 12 | 5 | 8 | 14 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- off | off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off |
High Tide / height (m) | 7:44AM 6.67 | 8:05PM 6.58 | 8:29AM 6.29 | 8:51PM 6.20 | 9:19AM 5.78 | 9:44PM 5.72 | ||||||||||||||||||
Low Tide / height (m) | 2:02PM 0.16 | 2:27AM 0.23 | 2:48PM 0.55 | 3:17AM 0.65 | 3:39PM 1.03 | 4:16AM 1.13 | ||||||||||||||||||
Monday 20 | Tuesday 21 | Wednesday 22 | Thursday 23 | |||||||||||||||||||||
| Sunrise | - | - | - | - | - | - | - | 6:16 | - | - | - | - | - | - | - | 6:13 | - | - | - | - | - | - | - | 6:11 |
| Sunset | - | - | - | 8:22 | - | - | - | - | - | - | - | 8:22 | - | - | - | - | - | - | - | 8:24 | - | - | - | - |
 |  | | |  | |  | | | |  | |  | | | | | | | | | | | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 10 | 11 | 11 | 10 | 9 | 8 | 8 | 7 | 8 | 9 | 11 | 10 | 10 | 8 | 8 | 8 | 10 | 11 | 11 | 10 | 11 | 9 | 8 | 8 |
| Feels °C (?) | 5 | 4 | 4 | 4 | 3 | 2 | 2 | 0 | 0 | 1 | 2 | 1 | 0 | -2 | -1 | -1 | 1 | 2 | 3 | 3 | 3 | 2 | 1 | 1 |
- Map Icons:
Break
Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
FREE! Surf-Forecast.com widget for your website
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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