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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 Tuesday 12 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 12AM is: 1.3m 5s primary swell from a West-northwest direction and 0.4m 8s secondary swell from a Southwest direction, 0.2m 18s secondary swell from a South-southwest direction (forecast issued at 06:00pm May 12). The wind direction is predicted to be onshore.
| Time (BST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (13 May) | - | - |
| Afternoon (13 May) | 3.5ft (1.0m) | 5s |
| Evening (13 May) | 3.5ft (1.1m) | 5s |
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 morning. Very mild (max 12°C on Tue afternoon, min 9°C on Wed night). Winds decreasing (strong winds from the NW on Wed morning, moderate winds from the NNE by Thu night). | ||||||||||||||||||||||||
Tue 12 | Wednesday 13 | Thursday 14 | Fri 15 | |||||||||||||||||||||
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 |    |    |    |    | ||||||||||||||||||||
SW 18 | NW 5 | WNW 5 | WNW 5 | WNW 6 | WNW 7 | WNW 8 | WNW 8 | WNW 8 | WNW 8 | WNW 8 | NW 8 | NW 8 | NW 7 | NW 7 | NW 7 | NW 7 | NW 7 | N 6 | N 6 | N 6 | N 7 | NNW 7 | NNW 6 | |
49 | 60 | 69 | 99 | 319 | 726 | 996 | 1056 | 1021 | 889 | 921 | 899 | 799 | 775 | 698 | 645 | 494 | 385 | 176 | 171 | 182 | 255 | 282 | 193 | |
Wind (km/h) | ||||||||||||||||||||||||
on | on | cross-on | cross-on | cross-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 | cross-on | |
High Tide | 2:23PM4.89m | 2:46AM5.28m | 3:17PM5.34m | 3:37AM5.71m | 4:05PM5.81m | 4:25AM6.13m | ||||||||||||||||||
Low Tide | 8:40PM1.58m | 9:13AM1.20m | 9:34PM1.17m | 10:02AM0.78m | 10:23PM0.74m | 10:48AM0.42m | ||||||||||||||||||
 |  |  | |  | |  | | | |  | | |  | |  | | | | | | | | | |
 | — | — | — | — | 5:37 | — | — | — | — | — | — | — | 5:35 | — | — | — | — | — | — | — | 5:33 | — | — | — |
 | — | 8:55 | — | — | — | — | — | — | — | 8:57 | — | — | — | — | — | — | — | 8:59 | — | — | — | — | — | 9:00 |
— | — | — | — | — | — | 1 | — | — | 1 | 1 | — | — | — | — | 1 | 1 | 1 | — | — | — | — | 1 | — | |
Temp °C | 12 | 12 | 11 | 11 | 10 | 10 | 10 | 11 | 11 | 11 | 10 | 10 | 9 | 10 | 10 | 10 | 9 | 9 | 10 | 10 | 9 | 10 | 10 | 10 |
6 | 6 | 6 | 5 | 1 | 1 | 0 | 1 | 2 | 3 | 2 | 1 | 0 | 1 | 2 | 2 | 2 | 3 | 3 | 4 | 4 | 5 | 4 | 4 | |
Swell 1 Height (m) Direction Period (s) | SW 8 | SW 8 | SW 8 | 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 | SSW 14 | SSW 14 |
 kJ | 17 | 17 | 17 | 13 | 12 | 42 | 41 | 40 | 40 | 40 | 40 | 40 | 38 | 34 | 33 | 21 | 21 | 21 | 114 | 171 | 159 | 137 | 20 | 18 |
Swell 2 Height (m) Direction Period (s) | SW 18 | SW 18 | SW 18 | SSW 18 | SSW 17 | SSW 8 | SSW 8 | SSW 8 | SW 7 | SW 7 | SW 7 | SW 7 | S 7 | S 7 | S 7 | — | — | — | WNW 9 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | — |
| kJ | 49 | 49 | 49 | 30 | 29 | 6 | 6 | 6 | 2 | 2 | 2 | 2 | 1 | 1 | 1 | — | — | — | 47 | 21 | 20 | 20 | 19 | — |
Swell 3 Height (m) Direction Period (s) | WNW 12 | WNW 13 | WNW 12 | SSW 18 | — | S 11 | — | — | — | — | — | — | — | — | — | — | — | — | SSW 14 | — | — | — | — | — |
| kJ | 15 | 16 | 15 | 30 | — | 2 | — | — | — | — | — | — | — | — | — | — | — | — | 21 | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | NW 5 | NW 5 | WNW 5 | WNW 5 | WNW 6 | WNW 7 | WNW 8 | WNW 8 | WNW 8 | WNW 8 | WNW 8 | NW 8 | NW 8 | NW 7 | NW 7 | NW 7 | NW 7 | NW 7 | N 6 | N 6 | N 6 | N 7 | NNW 7 | NNW 6 |
| kJ | 43 | 60 | 69 | 99 | 319 | 726 | 996 | 1056 | 1021 | 889 | 921 | 899 | 799 | 775 | 698 | 645 | 494 | 385 | 176 | 170 | 182 | 255 | 282 | 193 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 551 | 546 | 551 | 551 | 532 | 532 | 742 | 1110 | 1331 | 766 | 317 | 317 | 104 | 104 | 269 | 270 | 291 | 297 | 83 | 157 | 54 | 28 | 280 | 234 |
Best forecast wave conditions in North Cornwall | ||||||||||||||||||||||||
Best forecast wave conditions in United Kingdom | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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