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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 am Thursday 05 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 6PM is: 2.3m 9s primary swell from a West direction and 0.5m 15s secondary swell from a West-northwest direction (forecast issued at 11:00am March 05). The wind direction is predicted to be onshore.
| Time (GMT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (05 Mar) | 5ft (1.5m) | 12s |
| Afternoon (05 Mar) | 4.5ft (1.3m) | 12s |
| Evening (05 Mar) | 10ft (3.0m) | 9s |
Table - waves today at Porthtowan. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Thursday 05 | Friday 06 | Saturday 07 | Sunday 08 | |||||||||||||||||||||
| 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 | 3 AM | 6 AM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 12 | 12 | 12 | 9 | 9 | 8 | 8 | 8 | 12 | 12 | 12 | 12 | 12 | 12 | 13 | 13 | 13 | 14 | 14 | 14 | 14 | 14 | 13 | 13 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 636 | 538 | 464 | 885 | 1474 | 1786 | 1234 | 935 | 855 | 855 | 855 | 761 | 761 | 773 | 825 | 1127 | 1496 | 1928 | 2420 | 2570 | 2534 | 2394 | 2232 | 1999 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | off | cross- off | cross | on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross | cross- off | off | off | cross- off | off | off | off | off |
High Tide / height (m) | 6:29PM 6.44 | 6:45AM 6.57 | 7:01PM 6.31 | 7:17AM 6.31 | 7:33PM 6.06 | |||||||||||||||||||
Low Tide / height (m) | 12:33PM 0.07 | 12:45AM 0.17 | 1:04PM 0.23 | 1:16AM 0.35 | 1:33PM 0.51 | 1:46AM 0.65 | ||||||||||||||||||
Thursday 05 | Friday 06 | Saturday 07 | Sunday 08 | |||||||||||||||||||||
| Sunrise | 6:56 | - | - | - | - | - | - | - | 6:54 | - | - | - | - | - | - | - | 6:52 | - | - | - | - | - | - | - |
| Sunset | - | - | - | 6:07 | - | - | - | - | - | - | - | 6:09 | - | - | - | - | - | - | - | 6:10 | - | - | - | - |
 | | | |  | | |  | |  | | |  |  | | | | | | | | | | | |
Rain (mm) | - | - | - | - | 1 | 1 | 1 | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 11 | 12 | 12 | 10 | 6 | 5 | 5 | 7 | 7 | 7 | 7 | 6 | 6 | 5 | 5 | 6 | 6 | 8 | 9 | 9 | 9 | 9 | 9 | 10 |
| Feels °C (?) | 7 | 7 | 10 | 7 | -5 | -6 | -5 | -3 | -3 | -2 | -1 | -1 | 0 | -1 | 0 | 2 | 3 | 5 | 6 | 6 | 5 | 4 | 4 | 5 |
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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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