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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 Friday 15 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 3AM is: 1.5m 6s primary swell from a North direction and 1.1m 8s secondary swell from a West-northwest direction, 0.2m 14s secondary swell from a South-southwest direction (forecast issued at 12:00am May 15). The wind direction is predicted to be cross-onshore.
| Time (BST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (15 May) | 5ft (1.5m) | 6s |
| Afternoon (15 May) | 4.5ft (1.4m) | 6s |
| Evening (15 May) | 2.5ft (0.8m) | 6s |
Table - waves today at Porthtowan. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastMostly dry. Very mild (max 12°C on Sat morning, min 9°C on Fri night). Winds decreasing (fresh winds from the N on Thu night, light winds from the W by Fri night). | ||||||||||||||||||||||||
Friday 15 | Saturday 16 | Sunday 17 | ||||||||||||||||||||||
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 | N 6 | N 6 | N 6 | NNW 6 | NNW 6 | NNW 6 | WNW 6 | N 6 | W 8 | W 8 | W 8 | W 8 | W 7 | W 5 | W 6 | W 7 | WNW 7 | WNW 14 | WNW 14 | WNW 13 | WNW 13 | W 12 | WNW 12 | |
149 | 170 | 200 | 163 | 175 | 145 | 107 | 35 | 26 | 57 | 55 | 29 | 29 | 28 | 62 | 118 | 200 | 219 | 366 | 572 | 1156 | 1075 | 1335 | 549 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-on | cross-on | cross-on | cross-on | on | cross-on | on | on | cross-on | cross-on | cross-on | cross-on | cross-on | cross | cross-on | cross-on | on | on | on | cross-on | cross-on | cross-on | cross | cross-on | |
High Tide | 4:25AM6.13m | 4:50PM6.22m | 5:11AM6.45m | 5:35PM6.54m | 5:57AM6.63m | 6:20PM6.70m | ||||||||||||||||||
Low Tide | 10:23PM0.74m | 10:48AM0.42m | 11:09PM0.37m | 11:33AM0.17m | 11:55PM0.11m | 12:18PM0.06m | ||||||||||||||||||
 |  |  | |  |  | | |  | | | | | | | | | | | | | | |  | |
 | — | 5:33 | — | — | — | — | — | — | — | 5:33 | — | — | — | — | — | — | — | 5:31 | — | — | — | — | — | — |
 | — | — | — | — | — | — | 9:00 | — | — | — | — | — | — | — | 9:01 | — | — | — | — | — | — | — | 9:02 | — |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 3 | |
Temp °C | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 9 | 9 | 10 | 10 | 11 | 12 | 11 | 11 | 10 | 11 | 10 | 10 | 11 | 11 | 12 | 11 | 10 |
3 | 3 | 3 | 4 | 4 | 3 | 5 | 4 | 6 | 7 | 7 | 8 | 8 | 6 | 6 | 5 | 7 | 6 | 6 | 7 | 5 | 6 | 5 | 4 | |
Swell 1 Height (m) Direction Period (s) | WNW 7 | WNW 8 | WNW 8 | WNW 7 | SSW 14 | SW 14 | WNW 8 | N 6 | N 6 | W 8 | W 8 | W 8 | W 8 | W 7 | WNW 14 | WNW 13 | W 13 | WNW 14 | WNW 7 | WNW 14 | WNW 13 | WNW 13 | SW 12 | WNW 12 |
 kJ | 149 | 163 | 163 | 105 | 19 | 7 | 12 | 35 | 26 | 57 | 55 | 29 | 29 | 28 | 41 | 60 | 89 | 158 | 192 | 572 | 1156 | 1075 | 6 | 549 |
Swell 2 Height (m) Direction Period (s) | SSW 14 | SSW 14 | SSW 14 | SSW 14 | — | W 9 | W 10 | WNW 8 | WNW 5 | N 6 | N 6 | N 6 | N 6 | N 5 | N 5 | N 5 | N 5 | WNW 12 | WNW 14 | WNW 7 | SW 12 | SW 12 | — | — |
| kJ | 21 | 20 | 20 | 20 | — | 2 | 7 | 11 | 22 | 18 | 10 | 10 | 5 | 2 | 2 | 2 | 1 | 47 | 366 | 151 | 6 | 6 | — | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | SW 13 | W 9 | WNW 7 | W 9 | W 9 | W 9 | W 9 | WNW 15 | SW 13 | SW 13 | SW 13 | SW 12 | SW 12 | S 12 | — | S 12 | — | — |
| kJ | — | — | — | — | — | — | 7 | 15 | 18 | 7 | 7 | 6 | 6 | 21 | 7 | 7 | 6 | 6 | 6 | 3 | — | 3 | — | — |
Wind waves Height (m) Direction Period (s) | N 6 | N 6 | N 6 | N 6 | NNW 6 | NNW 6 | NNW 6 | WNW 6 | — | — | — | W 5 | W 5 | W 4 | W 5 | W 6 | W 7 | WNW 7 | — | — | — | — | W 12 | W 7 |
| kJ | 138 | 170 | 200 | 163 | 175 | 145 | 107 | 34 | — | — | — | 21 | 26 | 25 | 62 | 118 | 200 | 219 | — | — | — | — | 1335 | 295 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 174 | 280 | 234 | 280 | 280 | 280 | 317 | 40 | 23 | 210 | 18 | 23 | 505 | 507 | 210 | 210 | 210 | 23 | 23 | 165 | 34 | 552 | 227 | 210 |
Best forecast wave conditions in North Cornwall | ||||||||||||||||||||||||
Best forecast wave conditions in United Kingdom | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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