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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 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
12.6° C
(Which is slightly warmer than usual)How big are the waves at Porthtowan today?
The current surf forecast for Porthtowan at 6AM is: 0.8m 5s primary swell from a West-northwest direction and 0.5m 8s secondary swell from a West direction, 0.4m 6s secondary swell from a North direction (forecast issued at 12:00am May 16). The wind direction is predicted to be cross-onshore.
| Time (BST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (16 May) | 3ft (0.9m) | 8s |
| Afternoon (16 May) | 3.5ft (1.0m) | 5s |
| Evening (16 May) | 5.5ft (1.7m) | 6s |
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 Mon afternoon. Very mild (max 12°C on Sat morning, min 9°C on Fri night). Mainly fresh winds. | ||||||||||||||||||||||||
Saturday 16 | Sunday 17 | Monday 18 | ||||||||||||||||||||||
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 |    |    |    | |||||||||||||||||||||
WNW 7 | WNW 5 | W 8 | W 8 | W 5 | W 5 | W 6 | WNW 7 | WNW 7 | WNW 7 | WNW 14 | WNW 13 | WNW 13 | WNW 13 | W 12 | W 12 | WNW 12 | W 12 | W 12 | W 11 | W 11 | W 11 | W 11 | WNW 11 | |
91 | 31 | 29 | 90 | 37 | 62 | 184 | 290 | 316 | 262 | 366 | 539 | 1259 | 1192 | 1234 | 1483 | 531 | 1469 | 1431 | 1244 | 1255 | 743 | 388 | 240 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | on | on | on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross | cross | cross | cross | cross-off | cross-off | cross-off | |
High Tide | 5:11AM6.45m | 5:35PM6.54m | 5:57AM6.63m | 6:20PM6.70m | 6:43AM6.64m | 7:06PM6.70m | ||||||||||||||||||
Low Tide | 11:09PM0.37m | 11:33AM0.17m | 11:55PM0.11m | 12:18PM0.06m | 00:42AM0.00m | 1:04PM0.10m | ||||||||||||||||||
 |  |  | | |  |  | | |  | | | |  | | | | | | | | | | | |
 | — | 5:33 | — | — | — | — | — | — | — | 5:31 | — | — | — | — | — | — | — | 5:30 | — | — | — | — | — | — |
 | — | — | — | — | — | — | 9:01 | — | — | — | — | — | — | — | 9:02 | — | — | — | — | — | — | — | 9:04 | — |
— | 1 | — | — | — | — | — | — | — | — | — | — | — | 1 | — | 1 | 1 | — | — | 1 | 1 | — | 2 | 1 | |
Temp °C | 10 | 11 | 11 | 12 | 12 | 11 | 11 | 11 | 11 | 9 | 10 | 11 | 12 | 11 | 11 | 10 | 9 | 10 | 11 | 10 | 11 | 11 | 11 | 13 |
6 | 7 | 8 | 8 | 7 | 6 | 5 | 5 | 5 | 4 | 6 | 6 | 7 | 5 | 6 | 4 | 3 | 5 | 6 | 5 | 6 | 7 | 6 | 9 | |
Swell 1 Height (m) Direction Period (s) | N 6 | N 6 | W 8 | N 5 | W 8 | N 5 | — | SW 13 | W 13 | WNW 14 | WNW 14 | WNW 13 | WNW 13 | WNW 13 | N 4 | S 12 | WNW 12 | S 14 | S 14 | W 11 | W 11 | W 11 | W 11 | WSW 7 |
 kJ | 26 | 17 | 29 | 5 | 29 | 2 | — | 7 | 89 | 158 | 366 | 539 | 1259 | 1192 | 1 | 3 | 531 | 4 | 4 | 1244 | 932 | 743 | 388 | 85 |
Swell 2 Height (m) Direction Period (s) | W 9 | WNW 8 | N 6 | W 9 | N 5 | WNW 15 | SW 13 | SW 13 | SW 13 | WNW 12 | SW 12 | S 12 | S 12 | S 12 | SW 12 | — | S 12 | — | — | S 14 | — | S 20 | S 19 | WNW 11 |
| kJ | 14 | 19 | 10 | 7 | 5 | 21 | 7 | 7 | 6 | 47 | 6 | 3 | 3 | 3 | 6 | — | 3 | — | — | 4 | — | 7 | 7 | 240 |
Swell 3 Height (m) Direction Period (s) | SW 13 | W 9 | W 9 | SW 13 | W 9 | SW 13 | SW 13 | — | SW 13 | SW 12 | S 12 | W 11 | — | — | — | — | — | — | — | — | — | — | S 13 | — |
| kJ | 7 | 7 | 7 | 7 | 6 | 7 | 7 | — | 6 | 6 | 3 | 146 | — | — | — | — | — | — | — | — | — | — | 3 | — |
Wind waves Height (m) Direction Period (s) | WNW 7 | WNW 5 | WNW 5 | W 8 | W 5 | W 5 | W 6 | WNW 7 | WNW 7 | WNW 7 | WNW 7 | WNW 8 | — | — | W 12 | W 12 | W 7 | W 12 | W 12 | — | W 11 | — | SSW 5 | S 6 |
| kJ | 91 | 31 | 25 | 90 | 37 | 62 | 184 | 290 | 316 | 262 | 225 | 202 | — | — | 1234 | 1483 | 315 | 1469 | 1431 | — | 1255 | — | 59 | 119 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 282 | 210 | 210 | 210 | 505 | 505 | 508 | 218 | 218 | 104 | 57 | 218 | 227 | 527 | 227 | 210 | 210 | 19 | 19 | 17 | 17 | 16 | 5 | 19 |
Best forecast wave conditions in North Cornwall | ||||||||||||||||||||||||
Best forecast wave conditions in United Kingdom | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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