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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 Wednesday 13 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 1.1°C warmer than normal for this time of year)How big are the waves at Porthtowan today?
The current surf forecast for Porthtowan at 6AM is: 2.4m 7s primary swell from a West-northwest direction and 0.3m 16s secondary swell from a Southwest direction, 0.2m 8s secondary swell from a South-southwest direction (forecast issued at 12:00am May 13). The wind direction is predicted to be onshore.
| Time (BST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (13 May) | 8ft (2.5m) | 8s |
| Afternoon (13 May) | 8ft (2.5m) | 8s |
| Evening (13 May) | 8ft (2.5m) | 8s |
Table - waves today at Porthtowan. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastLight rain (total 7mm), mostly falling on Wed night. Very mild (max 11°C on Tue night, min 9°C on Wed night). Winds decreasing (strong winds from the NW on Wed morning, moderate winds from the N by Thu night). | ||||||||||||||||||||||||
Wednesday 13 | Thursday 14 | Friday 15 | ||||||||||||||||||||||
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 6 | WNW 6 | WNW 8 | WNW 8 | WNW 8 | WNW 8 | WNW 8 | WNW 8 | NW 8 | NW 7 | NW 7 | NW 7 | NW 7 | NW 7 | NW 7 | WNW 7 | WNW 8 | N 6 | N 6 | N 6 | WNW 7 | NNW 6 | NNW 6 | WNW 8 | |
143 | 384 | 769 | 972 | 993 | 958 | 762 | 800 | 853 | 777 | 735 | 641 | 527 | 513 | 382 | 210 | 212 | 170 | 176 | 148 | 115 | 181 | 113 | 85 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-on | on | on | on | on | on | on | on | on | on | on | on | on | on | on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | on | on | on | |
High Tide | 2:46AM5.28m | 3:17PM5.34m | 3:37AM5.71m | 4:05PM5.81m | 4:25AM6.13m | 4:50PM6.22m | ||||||||||||||||||
Low Tide | 9:13AM1.20m | 9:34PM1.17m | 10:02AM0.78m | 10:23PM0.74m | 10:48AM0.42m | |||||||||||||||||||
 |  |  |  | | | |  | |  |  | | | | | | | | | | | |  | | |
 | — | 5:37 | — | — | — | — | — | — | — | 5:35 | — | — | — | — | — | — | — | 5:33 | — | — | — | — | — | — |
 | — | — | — | — | — | — | 8:57 | — | — | — | — | — | — | — | 8:59 | — | — | — | — | — | — | — | 9:00 | — |
— | — | — | — | — | — | — | 1 | — | — | 1 | 1 | 1 | 1 | 1 | 1 | — | — | — | — | — | — | — | — | |
Temp °C | 11 | 10 | 10 | 10 | 11 | 11 | 11 | 10 | 10 | 9 | 9 | 10 | 10 | 9 | 9 | 9 | 9 | 9 | 10 | 10 | 10 | 10 | 10 | 9 |
5 | 1 | 1 | 0 | 1 | 2 | 3 | 2 | 1 | 0 | 0 | 2 | 2 | 2 | 2 | 3 | 2 | 4 | 5 | 4 | 4 | 3 | 4 | 4 | |
Swell 1 Height (m) Direction Period (s) | SSW 8 | SSW 8 | SW 16 | SW 16 | SW 16 | SW 16 | SW 16 | SW 16 | SW 16 | SW 16 | SW 15 | SW 15 | SSW 15 | SSW 15 | SSW 15 | WNW 7 | WNW 8 | WNW 8 | WNW 8 | WNW 8 | WNW 7 | SW 14 | W 8 | N 6 |
 kJ | 13 | 6 | 42 | 41 | 40 | 40 | 40 | 40 | 40 | 38 | 34 | 33 | 21 | 21 | 21 | 210 | 212 | 147 | 155 | 133 | 115 | 7 | 44 | 59 |
Swell 2 Height (m) Direction Period (s) | SSW 18 | SSW 17 | SSW 8 | SSW 8 | SSW 8 | SW 7 | SW 7 | SW 7 | SW 7 | S 7 | S 7 | S 7 | S 7 | — | — | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SW 14 | — | SW 13 | SW 13 |
| kJ | 30 | 29 | 6 | 6 | 6 | 2 | 2 | 2 | 2 | 1 | 1 | 1 | 1 | — | — | 21 | 21 | 20 | 20 | 20 | 7 | — | 7 | 7 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | E 5 | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | — | — | — | — |
Wind waves Height (m) Direction Period (s) | WNW 6 | WNW 6 | WNW 8 | WNW 8 | WNW 8 | WNW 8 | WNW 8 | WNW 8 | NW 8 | NW 7 | NW 7 | NW 7 | NW 7 | NW 7 | NW 7 | N 6 | N 6 | N 6 | N 6 | N 6 | N 6 | NNW 6 | NNW 6 | WNW 8 |
| kJ | 143 | 384 | 769 | 972 | 993 | 958 | 762 | 800 | 853 | 777 | 735 | 641 | 527 | 513 | 382 | 148 | 170 | 170 | 176 | 148 | 109 | 181 | 113 | 85 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 510 | 527 | 510 | 742 | 1110 | 1162 | 766 | 317 | 317 | 104 | 505 | 739 | 270 | 371 | 317 | 165 | 174 | 75 | 280 | 234 | 234 | 317 | 23 | 23 |
Best forecast wave conditions in North Cornwall | ||||||||||||||||||||||||
Best forecast wave conditions in United Kingdom | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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