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Mawgan Porth surfForecast / Cornwall (North) / UK
48hr Weather and Surf, issued 12 am Saturday 16 May 2026 BSTForecast update in hr min s Forecast update imminent
Mawgan Porth surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Mawgan Porth sea temperature is
12.5° C
(Which is slightly warmer than usual)How big are the waves at Mawgan Porth today?
The current surf forecast for Mawgan Porth at 8AM is: 0.7m 5s primary swell from a West direction and 0.4m 7s secondary swell from a West-northwest direction, 0.4m 6s secondary swell from a North direction (forecast issued at 12:00am May 16). The wind direction is predicted to be onshore.
| Time (BST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (16 May) | 2.5ft (0.7m) | 5s |
| Afternoon (16 May) | 3.5ft (1.0m) | 5s |
| Evening (16 May) | 5ft (1.6m) | 6s |
Table - waves today at Mawgan Porth. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastLight rain (total 8mm), mostly falling on Fri night. Very mild (max 12°C on Sat morning, min 10°C on Fri night). Mainly fresh winds. | ||||||||||||||||||||||||
Saturday 16 | Sunday 17 | Monday 18 | ||||||||||||||||||||||
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 8 | WNW 5 | W 5 | W 5 | W 7 | W 5 | W 6 | W 7 | WNW 7 | WNW 7 | WNW 14 | WNW 13 | WNW 13 | WNW 12 | W 12 | W 12 | W 7 | W 7 | W 12 | W 11 | W 11 | W 11 | W 11 | W 11 | |
79 | 31 | 24 | 24 | 86 | 51 | 127 | 255 | 285 | 254 | 233 | 372 | 980 | 1025 | 956 | 1174 | 388 | 392 | 1278 | 959 | 736 | 577 | 434 | 229 | |
Wind (km/h) | ||||||||||||||||||||||||
on | on | on | on | on | cross-on | on | on | cross-on | cross-on | cross-on | on | on | on | on | on | on | cross-on | cross-on | cross-on | cross-on | cross | cross-off | cross-on | |
High Tide | 5:17AM6.62m | 5:40PM6.71m | 6:03AM6.80m | 6:25PM6.87m | 6:49AM6.82m | 7:11PM6.87m | ||||||||||||||||||
Low Tide | 11:13PM0.40m | 11:37AM0.20m | 11:59PM0.13m | 12:22PM0.08m | 00:46AM0.02m | 1:08PM0.12m | ||||||||||||||||||
 |  |  |  | | | | | |  | | | |  | | | | | | | | | | | |
 | — | 5:31 | — | — | — | — | — | — | — | 5:30 | — | — | — | — | — | — | — | 5:28 | — | — | — | — | — | — |
 | — | — | — | — | — | — | 9:01 | — | — | — | — | — | — | — | 9:02 | — | — | — | — | — | — | — | 9:04 | — |
— | 1 | — | — | — | — | — | — | 1 | — | — | — | — | 1 | — | 1 | 1 | — | — | 1 | 1 | — | 1 | 1 | |
Temp °C | 11 | 11 | 11 | 12 | 12 | 11 | 11 | 11 | 11 | 10 | 10 | 11 | 11 | 11 | 11 | 10 | 10 | 11 | 11 | 10 | 12 | 12 | 11 | 13 |
7 | 7 | 7 | 7 | 7 | 6 | 5 | 5 | 5 | 4 | 5 | 6 | 5 | 5 | 5 | 3 | 3 | 5 | 6 | 5 | 7 | 8 | 6 | 9 | |
Swell 1 Height (m) Direction Period (s) | N 6 | WNW 8 | WNW 7 | WNW 7 | W 9 | N 5 | WNW 14 | WNW 13 | WNW 13 | WNW 12 | WNW 14 | WNW 13 | WNW 13 | — | — | — | WNW 12 | WNW 12 | — | W 11 | W 11 | W 11 | W 11 | W 11 |
 kJ | 18 | 19 | 18 | 18 | 14 | 2 | 20 | 35 | 58 | 49 | 233 | 372 | 980 | — | — | — | 361 | 349 | — | 959 | 736 | 577 | 434 | 229 |
Swell 2 Height (m) Direction Period (s) | W 9 | N 6 | N 6 | W 9 | N 5 | WNW 15 | — | SW 13 | SW 13 | WNW 14 | SW 12 | W 12 | — | — | — | — | — | — | — | — | — | — | — | W 19 |
| kJ | 7 | 11 | 9 | 14 | 2 | 21 | — | 7 | 7 | 81 | 6 | 3 | — | — | — | — | — | — | — | — | — | — | — | 7 |
Swell 3 Height (m) Direction Period (s) | SW 13 | W 9 | W 9 | N 5 | SW 13 | SW 13 | SW 13 | — | — | SW 13 | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | 7 | 7 | 14 | 5 | 7 | 7 | 7 | — | — | 6 | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | WNW 8 | WNW 5 | W 5 | W 5 | W 7 | W 5 | W 6 | W 7 | WNW 7 | WNW 7 | WNW 7 | WNW 7 | — | WNW 12 | W 12 | W 12 | W 7 | W 7 | W 12 | — | — | — | SSW 3 | SW 6 |
| kJ | 79 | 31 | 24 | 24 | 86 | 51 | 127 | 255 | 285 | 254 | 225 | 181 | — | 1025 | 956 | 1174 | 388 | 392 | 1278 | — | — | — | 3 | 80 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 299 | 221 | 221 | 221 | 479 | 479 | 482 | 237 | 237 | 93 | 44 | 237 | 246 | 501 | 246 | 221 | 221 | 7 | 7 | 7 | 43 | 8 | 16 | 7 |
Best forecast wave conditions in North Cornwall | ||||||||||||||||||||||||
Best forecast wave conditions in United Kingdom | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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