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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 Sunday 10 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
12.5° C
(Which is 1.0°C warmer than normal for this time of year)How big are the waves at Porthtowan today?
The current surf forecast for Porthtowan at 4AM is: 1.8m 7s primary swell from a North direction and 0.2m 11s secondary swell from a West direction (forecast issued at 12:00am May 10). An open ocean swell of 0.1m 5s is not directed at the surf break. The wind direction is predicted to be cross-shore.
| Time (BST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (10 May) | 5ft (1.6m) | 7s |
| Afternoon (10 May) | 6ft (1.8m) | 6s |
| Evening (10 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 ForecastMostly dry. Very mild (max 14°C on Sun morning, min 9°C on Sat night). Winds decreasing (fresh winds from the NNE on Sun afternoon, calm by Mon night). | ||||||||||||||||||||||||
Sunday 10 | Monday 11 | Tuesday 12 | ||||||||||||||||||||||
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 |    |    |    | |||||||||||||||||||||
N 7 | N 7 | N 7 | N 7 | N 7 | N 6 | N 6 | N 6 | N 6 | N 6 | N 6 | N 6 | N 5 | NNW 5 | SW 9 | SW 9 | SW 8 | SW 8 | SW 8 | SSW 18 | SSW 18 | SW 18 | SW 18 | SW 18 | |
389 | 349 | 267 | 239 | 255 | 293 | 199 | 226 | 206 | 128 | 102 | 60 | 32 | 22 | 20 | 19 | 18 | 18 | 17 | 32 | 31 | 49 | 49 | 56 | |
Wind (km/h) | ||||||||||||||||||||||||
cross | cross | cross | cross | cross | cross | cross | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | on | on | cross-on | cross-on | glassy | glassy | on | on | on | on | cross-on | |
High Tide | 11:22PM4.64m | 12:02PM4.40m | 00:36AM4.66m | 1:18PM4.54m | 1:47AM4.90m | 2:23PM4.89m | ||||||||||||||||||
Low Tide | 6:01AM2.03m | 6:27PM2.09m | 7:14AM1.90m | 7:38PM1.91m | 8:18AM1.60m | 8:40PM1.58m | ||||||||||||||||||
 |  |  |  | | | | | | |  | | | | |  | | | | | | | | | |
 | — | 5:41 | — | — | — | — | — | — | — | 5:39 | — | — | — | — | — | — | — | 5:39 | — | — | — | — | — | — |
 | — | — | — | — | — | — | 8:52 | — | — | — | — | — | — | — | 8:53 | — | — | — | — | — | — | — | 8:55 | — |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 12 | 11 | 9 | 12 | 14 | 13 | 12 | 10 | 10 | 9 | 10 | 10 | 11 | 11 | 11 | 10 | 10 | 10 | 10 | 12 | 11 | 11 | 12 | 11 |
7 | 6 | 3 | 5 | 7 | 6 | 6 | 3 | 5 | 3 | 4 | 5 | 6 | 7 | 7 | 7 | 8 | 8 | 8 | 9 | 6 | 6 | 8 | 6 | |
Swell 1 Height (m) Direction Period (s) | W 11 | W 11 | W 11 | SE 7 | ESE 7 | SE 8 | ESE 8 | ESE 7 | SSW 9 | SSW 9 | SSW 9 | SW 9 | SSW 9 | SW 8 | SW 9 | N 5 | N 6 | N 6 | N 6 | SW 8 | SW 8 | SW 8 | SW 8 | SSW 8 |
 kJ | 9 | 9 | 9 | 11 | 21 | 15 | 11 | 5 | 7 | 7 | 7 | 19 | 15 | 18 | 20 | 10 | 15 | 16 | 10 | 17 | 17 | 17 | 17 | 13 |
Swell 2 Height (m) Direction Period (s) | S 6 | SE 5 | S 5 | W 11 | W 11 | W 10 | SSW 9 | SSW 9 | ESE 6 | ESE 6 | ESE 6 | ESE 7 | ESE 6 | W 9 | W 9 | WNW 5 | SW 8 | SW 8 | SW 8 | N 5 | SSW 18 | SW 18 | SW 18 | SW 18 |
| kJ | 3 | 1 | 1 | 9 | 9 | 8 | 8 | 8 | 4 | 3 | 4 | 4 | 4 | 2 | 2 | 10 | 18 | 18 | 17 | 5 | 31 | 49 | 49 | 49 |
Swell 3 Height (m) Direction Period (s) | ESE 5 | S 6 | S 13 | S 13 | SW 13 | SW 10 | W 10 | W 10 | W 10 | W 10 | W 10 | W 10 | W 10 | SE 6 | — | SW 9 | NW 5 | NW 4 | WNW 4 | SSW 18 | NW 12 | WNW 12 | WNW 13 | WNW 12 |
| kJ | 3 | 1 | 3 | 3 | 7 | 4 | 2 | 2 | 2 | 2 | 2 | 2 | 7 | 2 | — | 19 | 6 | 5 | 4 | 32 | 6 | 15 | 16 | 15 |
Wind waves Height (m) Direction Period (s) | N 7 | N 7 | N 7 | N 7 | N 7 | N 6 | N 6 | N 6 | N 6 | N 6 | N 6 | N 6 | N 5 | NNW 5 | NNW 5 | — | — | — | — | WNW 5 | NW 4 | WNW 5 | WNW 5 | WNW 5 |
| kJ | 389 | 349 | 267 | 239 | 255 | 293 | 199 | 226 | 206 | 128 | 102 | 60 | 32 | 22 | 19 | — | — | — | — | 7 | 16 | 40 | 45 | 56 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 615 | 334 | 278 | 278 | 278 | 546 | 527 | 29 | 75 | 122 | 122 | 122 | 262 | 493 | 409 | 299 | 228 | 228 | 38 | 40 | 40 | 546 | 508 | 551 |
Best forecast wave conditions in North Cornwall | ||||||||||||||||||||||||
Best forecast wave conditions in United Kingdom | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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