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Porthtowan Surf Forecast
/ Cornwall (North) (60 surf breaks) /
Surf Forecasts:
Porthtowan surfForecast / Cornwall (North) / UK
48hr Weather and Surf, issued 6 pm Friday 22 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 slightly warmer than usual)How big are the waves at Porthtowan today?
The current surf forecast for Porthtowan at 2AM is: 1.5m 10s primary swell from a West-southwest direction (forecast issued at 06:00pm May 22). An open ocean swell of 0.3m 5s is not directed at the surf break. The wind direction is predicted to be glassy and the swell rating is 2.
| Time (BST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (23 May) | 4.5ft (1.4m) | 10s |
| Afternoon (23 May) | 4.5ft (1.3m) | 10s |
| Evening (23 May) | 4ft (1.2m) | 10s |
Table - waves today at Porthtowan. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastMostly dry. Warm (max 22°C on Mon morning, min 14°C on Fri night). Wind will be generally light. | ||||||||||||||||||||||||
Fri 22 | Saturday 23 | Sunday 24 | Mon 25 | |||||||||||||||||||||
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 | 10 AM | 1 PM | |
Swell Height Map |  |    |    |    | ||||||||||||||||||||
WSW 11 | WSW 10 | WSW 10 | WSW 10 | WSW 10 | WSW 10 | WSW 10 | WSW 10 | WSW 10 | W 10 | W 10 | W 10 | W 10 | W 9 | W 9 | W 9 | W 9 | W 10 | W 9 | W 9 | WNW 14 | WNW 14 | WNW 13 | WNW 13 | |
622 | 588 | 511 | 501 | 424 | 402 | 349 | 349 | 349 | 279 | 279 | 231 | 184 | 168 | 164 | 162 | 170 | 214 | 211 | 211 | 215 | 346 | 690 | 679 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-off | glassy | glassy | glassy | glassy | glassy | on | cross-on | cross-on | cross-on | cross-on | cross-on | cross | cross | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | |
High Tide | 10:40PM5.51m | 11:18AM5.01m | 11:49PM5.23m | 12:30PM4.83m | 1:01AM5.09m | |||||||||||||||||||
Low Tide | 4:37PM1.28m | 5:21AM1.27m | 5:45PM1.54m | 6:31AM1.46m | 6:56PM1.67m | 7:40AM1.51m | ||||||||||||||||||
 | |  | |  |  |  | | | | | | | | | | | | | | | | | | |
 | — | — | — | — | 5:24 | — | — | — | — | — | — | — | 5:22 | — | — | — | — | — | — | — | 5:22 | — | — | — |
 | — | 9:09 | — | — | — | — | — | — | — | 9:10 | — | — | — | — | — | — | — | 9:12 | — | — | — | — | — | 9:14 |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 17 | 16 | 15 | 14 | 14 | 14 | 15 | 16 | 16 | 15 | 15 | 14 | 15 | 16 | 17 | 20 | 21 | 20 | 20 | 21 | 21 | 21 | 21 | 22 |
16 | 16 | 15 | 14 | 14 | 14 | 15 | 15 | 15 | 13 | 13 | 12 | 13 | 14 | 16 | 20 | 20 | 19 | 19 | 20 | 19 | 20 | 19 | 20 | |
Swell 1 Height (m) Direction Period (s) | WSW 11 | WSW 10 | WSW 10 | WSW 10 | WSW 10 | WSW 10 | WSW 10 | WSW 10 | WSW 10 | W 10 | W 10 | W 10 | W 10 | W 9 | W 9 | W 9 | W 9 | W 10 | W 9 | W 9 | W 9 | W 10 | WNW 13 | WNW 13 |
 kJ | 622 | 588 | 511 | 501 | 424 | 402 | 349 | 349 | 349 | 279 | 279 | 231 | 184 | 168 | 164 | 162 | 170 | 214 | 211 | 211 | 173 | 177 | 690 | 679 |
Swell 2 Height (m) Direction Period (s) | S 6 | S 6 | S 6 | S 5 | S 5 | — | SSW 15 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SW 14 | SW 13 | SSW 13 | WNW 16 | WNW 15 | WNW 14 | WNW 14 | SW 13 | SW 13 |
| kJ | 28 | 18 | 10 | 5 | 2 | — | 22 | 19 | 19 | 20 | 20 | 20 | 20 | 20 | 20 | 7 | 7 | 17 | 25 | 78 | 215 | 346 | 7 | 7 |
Swell 3 Height (m) Direction Period (s) | ESE 4 | S 16 | SW 16 | SW 16 | SW 16 | SW 16 | — | — | — | — | — | — | — | — | — | — | W 18 | W 17 | SSW 13 | SSW 13 | SW 13 | SW 13 | SW 13 | — |
| kJ | 1 | 5 | 10 | 10 | 10 | 10 | — | — | — | — | — | — | — | — | — | — | 6 | 6 | 17 | 17 | 7 | 7 | 7 | — |
Wind waves Height (m) Direction Period (s) | — | E 4 | — | — | — | — | — | — | — | — | — | NNE 2 | — | — | — | — | ESE 3 | ESE 3 | ESE 3 | ESE 4 | ESE 4 | E 4 | SE 4 | SE 4 |
| kJ | — | 1 | — | — | — | — | — | — | — | — | — | 1 | — | — | — | — | 2 | 2 | 2 | 2 | 4 | 9 | 4 | 5 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 0 | 0 | 0 | 0 | 0 | 0 | 20 | 20 | 20 | 20 | 15 | 15 | 12 | 10 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 10 | 10 |
Best forecast wave conditions in North Cornwall | ||||||||||||||||||||||||
Best forecast wave conditions in United Kingdom | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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Ocean Swells (m)- Wind Speed (km/h)
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