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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 Monday 09 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
10.4° C
(Which is slightly warmer than usual)How big are the waves at Porthtowan today?
The current surf forecast for Porthtowan at 10AM is: 1.7m 12s primary swell from a West direction (forecast issued at 05:00am March 09). An open ocean swell of 0.2m 4s is not directed at the surf break. The wind direction is predicted to be cross-shore.
| 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 | Thu 12 | |||||||||||||||||||||
| 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) (?) | 12 | 13 | 12 | 12 | 12 | 12 | 11 | 11 | 10 | 11 | 11 | 11 | 13 | 13 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 1091 | 1044 | 805 | 687 | 607 | 355 | 331 | 536 | 367 | 379 | 441 | 311 | 1318 | 2199 | 2099 | 4373 | 4189 | 5015 | 5863 | 8284 | 8237 | 6056 | 5261 | 4775 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- off | cross | cross | cross | cross | cross- on | cross- on | cross- on | cross- on | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- on | cross- on | cross- on | on | cross- on | cross- on | cross- on | cross | cross |
High Tide / height (m) | 8:22AM 5.49 | 8:38PM 5.28 | 8:58AM 5.01 | 9:16PM 4.83 | 9:41AM 4.53 | 10:08PM 4.40 | ||||||||||||||||||
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 | Thu 12 | |||||||||||||||||||||
| Sunrise | - | - | 6:48 | - | - | - | - | - | - | - | 6:46 | - | - | - | - | - | - | - | 6:43 | - | - | - | - | - |
| Sunset | - | - | - | - | - | 6:15 | - | - | - | - | - | - | - | 6:15 | - | - | - | - | - | - | - | 6:17 | - | - |
 |  |  |  | | | |  | | | | | |  | | |  | | | | | | | | |
Rain (mm) | 1 | - | - | - | - | - | - | - | - | - | - | - | - | - | 1 | 2 | - | - | - | - | - | - | - | - |
| Temp. °C | 10 | 10 | 10 | 11 | 11 | 9 | 8 | 8 | 8 | 8 | 9 | 10 | 10 | 10 | 11 | 11 | 9 | 8 | 9 | 9 | 9 | 9 | 9 | 9 |
| Feels °C (?) | 9 | 9 | 7 | 8 | 7 | 6 | 5 | 5 | 4 | 4 | 4 | 3 | 2 | 2 | 4 | 4 | 1 | -1 | 1 | 2 | 2 | 3 | 3 | 1 |
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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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