- Forecast
- Maps
- Live
- Weather State
- Spot Information
Porthtowan Surf Forecast
/ Cornwall (North) (60 surf breaks) /
Surf Forecasts:
Porthtowan surfForecast / Cornwall (North) / UK
48hr Weather and Surf, issued 12 pm Saturday 16 May 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
12.5° C
(Which is slightly warmer than usual)How big are the waves at Porthtowan today?
The current surf forecast for Porthtowan at 8PM is: 1.5m 6s primary swell from a West direction and 0.2m 5s secondary swell from a North direction, 0.1m 13s secondary swell from a Southwest direction (forecast issued at 12:00pm May 16). The wind direction is predicted to be cross-onshore.
| Time (BST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (16 May) | 2.5ft (0.8m) | 5s |
| Afternoon (16 May) | 3.5ft (1.1m) | 5s |
| Evening (16 May) | 5ft (1.6m) | 6s |
Table - waves today at Porthtowan. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastModerate rain (total 15mm), heaviest on Mon night. Very mild (max 13°C on Mon night, min 9°C on Sun night). Mainly fresh winds. | ||||||||||||||||||||||||
Sat 16 | Sunday 17 | Monday 18 | Tue 19 | |||||||||||||||||||||
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 | |
Swell Height Map |    |    |    |    | ||||||||||||||||||||
W 5 | W 5 | W 5 | W 6 | W 6 | WNW 7 | WNW 7 | WNW 14 | WNW 13 | WNW 13 | WNW 13 | W 12 | W 12 | WNW 12 | W 12 | W 12 | W 12 | W 11 | W 11 | WNW 11 | WNW 11 | SSW 6 | SW 7 | SW 7 | |
37 | 52 | 65 | 123 | 213 | 276 | 255 | 366 | 1229 | 1259 | 1344 | 1234 | 1483 | 609 | 1365 | 1208 | 946 | 771 | 750 | 343 | 240 | 191 | 371 | 341 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-on | cross-on | cross | cross-on | cross-on | on | on | on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross | cross | cross | cross-off | cross-off | cross-off | cross-off | cross | cross | |
High Tide | 5:35PM6.54m | 5:57AM6.63m | 6:20PM6.70m | 6:43AM6.64m | 7:06PM6.70m | |||||||||||||||||||
Low Tide | 11:33AM0.17m | 11:55PM0.11m | 12:18PM0.06m | 00:42AM0.00m | 1:04PM0.10m | 1:31AM0.06m | ||||||||||||||||||
 | |  |  |  | | | | | | | |  | | |  | | | | | | | | | |
 | 5:33 | — | — | — | — | — | 5:31 | — | — | — | — | — | — | — | 5:30 | — | — | — | — | — | — | — | 5:28 | — |
 | — | — | — | 9:01 | — | — | — | — | — | — | — | 9:02 | — | — | — | — | — | — | — | 9:04 | — | — | — | 9:06 |
— | — | 1 | — | — | — | — | — | — | — | 1 | — | 1 | 1 | 1 | 1 | 1 | 1 | — | 1 | 2 | 3 | 1 | — | |
Temp °C | 11 | 12 | 11 | 11 | 10 | 10 | 10 | 10 | 11 | 11 | 11 | 11 | 9 | 9 | 10 | 10 | 11 | 12 | 12 | 11 | 12 | 13 | 13 | 13 |
7 | 7 | 6 | 5 | 4 | 4 | 5 | 5 | 6 | 5 | 6 | 5 | 3 | 3 | 5 | 6 | 7 | 8 | 7 | 6 | 7 | 9 | 8 | 7 | |
Swell 1 Height (m) Direction Period (s) | W 8 | N 5 | WNW 15 | N 5 | — | SW 13 | WNW 14 | WNW 14 | WNW 13 | WNW 13 | WNW 13 | SW 12 | S 12 | WNW 12 | S 12 | W 12 | W 12 | W 11 | S 20 | WNW 11 | WNW 11 | WNW 10 | WNW 10 | WNW 10 |
 kJ | 29 | 2 | 21 | 2 | — | 6 | 158 | 366 | 1229 | 1259 | 1344 | 6 | 3 | 609 | 3 | 1208 | 946 | 771 | 7 | 343 | 240 | 131 | 77 | 56 |
Swell 2 Height (m) Direction Period (s) | N 5 | W 9 | N 5 | SW 13 | SW 13 | W 16 | WNW 12 | SW 12 | S 12 | S 12 | S 12 | S 12 | — | — | S 14 | S 14 | S 14 | S 20 | S 20 | S 19 | SW 19 | SW 19 | W 16 | W 15 |
| kJ | 5 | 6 | 2 | 7 | 7 | 5 | 47 | 6 | 3 | 3 | 3 | 3 | — | — | 4 | 4 | 4 | 8 | 7 | 7 | 15 | 14 | 5 | 4 |
Swell 3 Height (m) Direction Period (s) | W 9 | SW 13 | SW 13 | SW 13 | SW 13 | SW 13 | SW 12 | — | S 12 | — | — | — | — | — | — | — | — | — | — | S 13 | S 13 | W 16 | S 19 | SW 19 |
| kJ | 7 | 7 | 7 | 7 | 7 | 6 | 6 | — | 3 | — | — | — | — | — | — | — | — | — | — | 3 | 3 | 5 | 7 | 14 |
Wind waves Height (m) Direction Period (s) | W 5 | W 5 | W 5 | W 6 | W 6 | WNW 7 | WNW 7 | WNW 7 | WNW 8 | — | — | W 12 | W 12 | W 7 | W 12 | — | — | — | W 11 | SW 6 | SSW 6 | SSW 6 | SW 7 | SW 7 |
| kJ | 37 | 52 | 65 | 123 | 213 | 276 | 255 | 225 | 295 | — | — | 1234 | 1483 | 290 | 1365 | — | — | — | 750 | 88 | 141 | 191 | 371 | 341 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 210 | 505 | 508 | 510 | 210 | 218 | 104 | 65 | 218 | 503 | 57 | 57 | 250 | 210 | 154 | 17 | 17 | 17 | 19 | 5 | 250 | 208 | 499 | 499 |
Best forecast wave conditions in North Cornwall | ||||||||||||||||||||||||
Best forecast wave conditions in United Kingdom | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
- 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.
Nearest