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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 pm Sunday 08 Mar 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
10.3° C
(Which is slightly warmer than usual)How big are the waves at Porthtowan today?
The current surf forecast for Porthtowan at 7AM is: 1.8m 12s primary swell from a West direction (forecast issued at 11:00pm March 08). An open ocean swell of 0.2m 4s is not directed at the surf break. The wind direction is predicted to be offshore and the swell rating is 3.
| Time (GMT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (09 Mar) | 5.5ft (1.7m) | 12s |
| Afternoon (09 Mar) | 5ft (1.5m) | 12s |
| Evening (09 Mar) | 3.5ft (1.1m) | 11s |
Table - waves today at Porthtowan. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Monday 09 | Tuesday 10 | Wednesday 11 | ||||||||||||||||||||||
| 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 | 3 PM | 6 PM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    | |||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 13 | 12 | 12 | 13 | 12 | 12 | 12 | 12 | 11 | 11 | 11 | 11 | 11 | 12 | 13 | 13 | 14 | 14 | 14 | 14 | 14 | 14 | 15 | 14 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 1385 | 1190 | 1091 | 1044 | 805 | 687 | 604 | 355 | 331 | 465 | 526 | 379 | 317 | 529 | 1228 | 2023 | 3404 | 3571 | 3887 | 3970 | 5068 | 7209 | 7390 | 5446 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | off | off | off | off | cross- off | cross | cross- on | cross | cross- on | cross- on | cross | cross- off | cross- off | cross- off | cross- off | cross- off | cross | cross | on | on | on | cross- on | cross- on | cross- on |
High Tide / height (m) | 8:05PM 5.70 | 8:22AM 5.49 | 8:38PM 5.28 | 8:58AM 5.01 | 9:16PM 4.83 | 9:41AM 4.53 | ||||||||||||||||||
Low Tide / height (m) | 2:17AM 1.02 | 2:33PM 1.28 | 2:51AM 1.45 | 3:08PM 1.72 | 3:32AM 1.90 | 3:54PM 2.15 | ||||||||||||||||||
Monday 09 | Tuesday 10 | Wednesday 11 | ||||||||||||||||||||||
| Sunrise | - | - | - | - | 6:48 | - | - | - | - | - | - | - | 6:46 | - | - | - | - | - | - | - | 6:43 | - | - | - |
| Sunset | - | - | - | - | - | - | - | 6:15 | - | - | - | - | - | - | - | 6:15 | - | - | - | - | - | - | - | 6:17 |
 | |  |  |  |  |  | | | | | | | | | | | | | | | | | | |
Rain (mm) | - | - | 1 | - | - | - | - | - | - | - | - | - | - | - | - | - | 1 | 2 | - | - | - | - | - | - |
| Temp. °C | 10 | 10 | 10 | 10 | 10 | 12 | 11 | 10 | 9 | 8 | 8 | 8 | 9 | 10 | 10 | 10 | 11 | 11 | 9 | 8 | 9 | 9 | 9 | 9 |
| Feels °C (?) | 7 | 7 | 8 | 7 | 8 | 10 | 7 | 7 | 6 | 5 | 5 | 5 | 4 | 4 | 3 | 3 | 5 | 4 | 2 | 0 | 2 | 2 | 2 | 3 |
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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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