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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 am Monday 25 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
12.7° C
(Which is normal for this time of year)How big are the waves at Porthtowan today?
The current surf forecast for Porthtowan at 8AM is: 0.9m 14s primary swell from a West-northwest direction and 1.0m 9s secondary swell from a West direction (forecast issued at 12:00am May 25). An open ocean swell of 0.6m 3s is not directed at the surf break. The wind direction is predicted to be offshore and the swell rating is 2.
| Time (BST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (25 May) | 3.5ft (1.1m) | 13s |
| Afternoon (25 May) | 4.5ft (1.4m) | 13s |
| Evening (25 May) | 4.5ft (1.3m) | 12s |
Table - waves today at Porthtowan. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastLight rain (total 8mm), mostly falling on Wed morning. Warm (max 23°C on Sun night, min 18°C on Wed morning). Mainly fresh winds. | ||||||||||||||||||||||||
Monday 25 | Tuesday 26 | Wednesday 27 | ||||||||||||||||||||||
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 | 10 AM | 1 PM | 4 PM | 7 PM | 10 PM | |
Swell Height Map |    |    |    | |||||||||||||||||||||
W 9 | WNW 14 | WNW 14 | WNW 13 | WNW 13 | WNW 13 | WNW 13 | WNW 12 | WNW 12 | WNW 12 | WNW 12 | WNW 12 | W 12 | W 12 | W 11 | W 11 | W 11 | W 11 | WNW 11 | W 10 | W 10 | W 10 | W 10 | W 10 | |
205 | 215 | 351 | 444 | 679 | 669 | 572 | 447 | 432 | 425 | 432 | 432 | 411 | 404 | 371 | 297 | 242 | 238 | 187 | 171 | 133 | 130 | 98 | 96 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-off | off | off | off | off | off | off | off | cross-off | off | cross-off | off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | off | off | off | off | |
High Tide | 1:01AM5.09m | 1:41PM4.84m | 2:08AM5.10m | 2:42PM4.99m | 3:04AM5.20m | 3:32PM5.18m | ||||||||||||||||||
Low Tide | 7:40AM1.51m | 8:04PM1.66m | 8:41AM1.45m | 9:04PM1.54m | 9:32AM1.34m | 9:54PM1.38m | ||||||||||||||||||
 | |  | | | | | | | | | | | | | | | | |  |  | | |  | |
 | — | 5:22 | — | — | — | — | — | — | — | 5:20 | — | — | — | — | — | — | — | 5:20 | — | — | — | — | — | — |
 | — | — | — | — | — | — | 9:14 | — | — | — | — | — | — | — | 9:15 | — | — | — | — | — | — | — | 9:15 | — |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 7 | 1 | — | — | 1 | |
Temp °C | 23 | 23 | 22 | 21 | 21 | 22 | 23 | 23 | 23 | 23 | 22 | 22 | 23 | 23 | 22 | 23 | 22 | 22 | 20 | 18 | 20 | 20 | 18 | 15 |
21 | 20 | 20 | 19 | 19 | 20 | 22 | 23 | 24 | 23 | 23 | 23 | 23 | 23 | 22 | 23 | 20 | 18 | 16 | 15 | 17 | 16 | 14 | 12 | |
Swell 1 Height (m) Direction Period (s) | W 9 | W 9 | W 9 | WNW 13 | WNW 13 | WNW 13 | WNW 13 | WNW 12 | WNW 12 | WNW 12 | WNW 12 | WNW 12 | W 12 | W 12 | W 11 | W 11 | W 11 | W 11 | WNW 11 | W 10 | W 10 | W 10 | W 10 | W 10 |
 kJ | 205 | 170 | 173 | 444 | 679 | 669 | 572 | 447 | 432 | 425 | 432 | 432 | 411 | 404 | 371 | 297 | 242 | 238 | 187 | 171 | 133 | 130 | 98 | 96 |
Swell 2 Height (m) Direction Period (s) | WNW 15 | WNW 14 | WNW 14 | W 9 | SW 13 | SW 13 | SW 13 | SW 13 | SW 13 | SW 12 | SSE 12 | S 18 | SW 19 | SW 19 | S 13 | S 13 | SW 19 | S 6 | S 5 | NNW 5 | NNW 5 | N 5 | N 5 | N 5 |
| kJ | 78 | 215 | 351 | 99 | 7 | 7 | 7 | 6 | 6 | 6 | 15 | 6 | 15 | 15 | 13 | 13 | 15 | 2 | 5 | 4 | 8 | 4 | 4 | 4 |
Swell 3 Height (m) Direction Period (s) | SSW 13 | SW 13 | SW 13 | SW 13 | — | — | — | S 21 | S 21 | S 21 | S 21 | — | S 19 | SW 12 | SW 19 | SW 19 | SW 13 | SW 19 | NNW 4 | S 5 | SSW 18 | SSW 18 | SSW 18 | SSW 18 |
| kJ | 17 | 7 | 7 | 7 | — | — | — | 9 | 9 | 9 | 9 | — | 7 | 6 | 15 | 15 | 7 | 15 | 4 | 5 | 30 | 30 | 30 | 30 |
Wind waves Height (m) Direction Period (s) | SE 4 | SE 4 | ESE 3 | ESE 4 | ESE 4 | SE 4 | SE 5 | SE 5 | SE 5 | SE 5 | E 4 | SSE 12 | SE 12 | SSE 12 | E 4 | E 4 | SE 5 | ESE 3 | ESE 3 | ESE 3 | SE 4 | SE 4 | SE 5 | SE 5 |
| kJ | 4 | 8 | 7 | 8 | 11 | 10 | 10 | 6 | 6 | 6 | 18 | 14 | 6 | 15 | 11 | 11 | 5 | 3 | 3 | 7 | 16 | 14 | 12 | 6 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 10 | 4 | 0 | 0 | 0 | 3 | 10 | 12 | 15 | 67 | 10 | 0 |
Best forecast wave conditions in North Cornwall | ||||||||||||||||||||||||
Best forecast wave conditions in United Kingdom | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
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