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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 pm Thursday 14 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 3PM is: 2.5m 7s primary swell from a Northwest direction and 0.2m 15s secondary swell from a South-southwest direction (forecast issued at 12:00pm May 14). The wind direction is predicted to be onshore.
| Time (BST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (14 May) | 8ft (2.5m) | 7s |
| Afternoon (14 May) | 8ft (2.5m) | 7s |
| Evening (14 May) | 4.5ft (1.4m) | 7s |
Table - waves today at Porthtowan. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastLight rain (total 3mm), mostly falling on Thu morning. Very mild (max 13°C on Sat afternoon, min 9°C on Fri night). Winds decreasing (fresh winds from the NNW on Thu morning, light winds from the WSW by Fri night). | ||||||||||||||||||||||||
Thu 14 | Friday 15 | Saturday 16 | Sun 17 | |||||||||||||||||||||
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 |    |    |    |    | ||||||||||||||||||||
NW 7 | NW 7 | NW 7 | NW 7 | WNW 7 | N 6 | N 7 | N 7 | NNW 7 | NNW 7 | NNW 6 | NNW 6 | N 6 | WNW 8 | W 8 | W 8 | W 8 | W 7 | W 7 | W 7 | W 5 | WNW 6 | WNW 6 | WNW 14 | |
735 | 606 | 563 | 385 | 178 | 193 | 278 | 295 | 277 | 209 | 164 | 103 | 45 | 77 | 55 | 55 | 72 | 28 | 27 | 78 | 61 | 117 | 176 | 366 | |
Wind (km/h) | ||||||||||||||||||||||||
on | on | on | on | cross-on | cross-on | cross-on | cross-on | cross-on | on | cross-on | on | on | on | cross | cross-off | cross-on | cross-on | cross-on | cross | cross-on | cross-on | on | cross-on | |
High Tide | 4:05PM5.81m | 4:25AM6.13m | 4:50PM6.22m | 5:11AM6.45m | 5:35PM6.54m | 5:57AM6.63m | ||||||||||||||||||
Low Tide | 10:02AM0.78m | 10:23PM0.74m | 10:48AM0.42m | 11:09PM0.37m | 11:33AM0.17m | 11:55PM0.11m | ||||||||||||||||||
 | |  |  |  | |  |  | | | |  |  | | | | | | | | | | | | |
 | 5:35 | — | — | — | — | — | 5:33 | — | — | — | — | — | — | — | 5:33 | — | — | — | — | — | — | — | 5:31 | — |
 | — | — | — | 8:59 | — | — | — | — | — | — | — | 9:00 | — | — | — | — | — | — | — | 9:01 | — | — | — | 9:02 |
1 | 1 | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 9 | 10 | 9 | 11 | 12 | 13 | 11 | 10 | 10 | 10 | 10 |
2 | 2 | 2 | 3 | 3 | 3 | 3 | 3 | 4 | 4 | 3 | 5 | 5 | 5 | 7 | 6 | 8 | 9 | 8 | 7 | 5 | 4 | 5 | 6 | |
Swell 1 Height (m) Direction Period (s) | SW 15 | SSW 15 | SSW 15 | SSW 15 | WNW 7 | WNW 7 | WNW 8 | WNW 8 | SSW 14 | SSW 14 | SW 14 | WNW 8 | N 6 | N 6 | W 8 | W 8 | N 6 | W 7 | W 7 | WNW 14 | WNW 13 | W 13 | WNW 14 | WNW 14 |
 kJ | 33 | 21 | 21 | 21 | 178 | 158 | 167 | 140 | 20 | 19 | 7 | 12 | 45 | 36 | 55 | 55 | 10 | 28 | 27 | 41 | 60 | 89 | 160 | 366 |
Swell 2 Height (m) Direction Period (s) | S 7 | — | — | — | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | — | W 9 | SW 13 | WNW 8 | W 9 | N 6 | N 6 | W 9 | N 5 | N 5 | N 5 | N 5 | — | WNW 12 | SW 12 |
| kJ | 1 | — | — | — | 21 | 21 | 20 | 20 | 19 | — | 2 | 7 | 20 | 7 | 18 | 11 | 6 | 5 | 2 | 2 | 2 | — | 47 | 6 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | W 9 | W 9 | SW 13 | W 9 | W 9 | SW 13 | W 9 | WNW 15 | SW 13 | SW 13 | SW 13 | SW 12 | S 12 |
| kJ | — | — | — | — | — | — | — | — | — | — | — | 2 | 7 | 7 | 6 | 6 | 7 | 6 | 21 | 7 | 7 | 6 | 6 | 3 |
Wind waves Height (m) Direction Period (s) | NW 7 | NW 7 | NW 7 | NW 7 | N 6 | N 6 | N 7 | N 7 | NNW 7 | NNW 7 | NNW 6 | NNW 6 | WNW 6 | WNW 8 | — | — | W 8 | W 5 | W 5 | W 7 | W 5 | WNW 6 | WNW 6 | WNW 7 |
| kJ | 735 | 606 | 563 | 385 | 128 | 193 | 278 | 295 | 277 | 209 | 164 | 103 | 33 | 77 | — | — | 72 | 18 | 15 | 78 | 61 | 117 | 176 | 157 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 269 | 739 | 1139 | 317 | 282 | 174 | 83 | 234 | 280 | 280 | 280 | 280 | 241 | 17 | 18 | 0 | 17 | 280 | 507 | 17 | 210 | 210 | 150 | 65 |
Best forecast wave conditions in North Cornwall | ||||||||||||||||||||||||
Best forecast wave conditions in United Kingdom | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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