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Mawgan Porth surfForecast / Cornwall (North) / UK
48hr Weather and Surf, issued 12 pm Tuesday 19 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
12.7° C
(Which is slightly warmer than usual)How big are the waves at Mawgan Porth today?
The current surf forecast for Mawgan Porth at 8PM is: 2.5m 9s primary swell from a West-southwest direction and 0.4m 17s secondary swell from a West direction, 0.2m 13s secondary swell from a West direction (forecast issued at 12:00pm May 19). The wind direction is predicted to be cross-onshore.
| Time (BST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (19 May) | 7ft (2.1m) | 8s |
| Afternoon (19 May) | 8ft (2.4m) | 9s |
| Evening (19 May) | 10ft (3.0m) | 9s |
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 4mm), mostly falling on Tue morning. Very mild (max 16°C on Thu morning, min 12°C on Tue night). Winds decreasing (strong winds from the SW on Tue afternoon, light winds from the SE by Thu night). | ||||||||||||||||||||||||
Tue 19 | Wednesday 20 | Thursday 21 | Fri 22 | |||||||||||||||||||||
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 |    |    |    |    | ||||||||||||||||||||
WSW 8 | WSW 9 | WSW 9 | WSW 9 | WSW 9 | W 10 | W 14 | W 14 | W 14 | W 13 | W 13 | W 13 | W 12 | W 12 | W 12 | W 12 | W 11 | W 11 | W 10 | W 10 | W 10 | W 10 | WSW 10 | W 11 | |
612 | 698 | 926 | 1121 | 1319 | 1905 | 5200 | 4708 | 4008 | 3075 | 2416 | 2039 | 1547 | 1236 | 997 | 865 | 617 | 584 | 495 | 551 | 449 | 384 | 402 | 584 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | on | cross-on | cross-on | cross-on | cross-on | cross-on | cross | cross | cross | cross-off | cross | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | |
High Tide | 7:36AM6.65m | 7:59PM6.71m | 8:26AM6.33m | 8:49PM6.41m | 9:19AM5.93m | 9:44PM6.04m | ||||||||||||||||||
Low Tide | 1:55PM0.31m | 2:25AM0.30m | 2:46PM0.61m | 3:19AM0.63m | 3:40PM0.97m | 4:19AM1.00m | ||||||||||||||||||
 |  | | |  |  | |  |  | | | | |  | | | | | | |  | | | | |
 | 5:26 | — | — | — | — | — | 5:26 | — | — | — | — | — | — | — | 5:24 | — | — | — | — | — | — | — | 5:24 | — |
 | — | — | — | 9:06 | — | — | — | — | — | — | — | 9:07 | — | — | — | — | — | — | — | 9:07 | — | — | — | 9:09 |
1 | — | 1 | 1 | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 13 | 14 | 14 | 13 | 13 | 12 | 12 | 12 | 13 | 14 | 14 | 15 | 14 | 14 | 14 | 14 | 16 | 16 | 16 | 15 | 16 | 16 | 16 | 15 |
7 | 7 | 6 | 5 | 5 | 5 | 6 | 7 | 8 | 9 | 10 | 12 | 11 | 10 | 11 | 11 | 13 | 12 | 11 | 10 | 11 | 12 | 13 | 13 | |
Swell 1 Height (m) Direction Period (s) | W 15 | W 15 | W 15 | W 18 | W 17 | W 16 | W 14 | W 14 | W 14 | W 13 | W 13 | W 13 | W 12 | W 12 | W 12 | W 12 | W 11 | W 11 | W 10 | W 10 | W 10 | W 10 | WSW 10 | W 11 |
 kJ | 4 | 17 | 4 | 55 | 202 | 811 | 5200 | 4708 | 4008 | 3075 | 2416 | 2039 | 1547 | 1236 | 997 | 865 | 617 | 584 | 495 | 551 | 449 | 384 | 402 | 584 |
Swell 2 Height (m) Direction Period (s) | W 18 | W 18 | W 18 | W 13 | WNW 13 | — | — | — | — | — | — | — | — | — | — | — | — | — | SW 15 | SW 15 | SW 15 | SW 15 | — | — |
| kJ | 6 | 6 | 7 | 14 | 35 | — | — | — | — | — | — | — | — | — | — | — | — | — | 9 | 8 | 8 | 8 | — | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | WSW 8 | WSW 9 | WSW 9 | WSW 9 | WSW 9 | W 10 | — | — | — | — | — | — | — | — | — | — | — | — | SSE 3 | — | SSE 3 | SSE 4 | SSE 3 | SSE 3 |
| kJ | 612 | 698 | 926 | 1121 | 1319 | 1905 | — | — | — | — | — | — | — | — | — | — | — | — | 1 | — | 7 | 11 | 4 | 2 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 501 | 491 | 382 | 382 | 382 | 486 | 537 | 221 | 221 | 221 | 7 | 7 | 16 | 16 | 6 | 6 | 16 | 6 | 2 | 1 | 16 | 2 | 2 | 0 |
Best forecast wave conditions in North Cornwall | ||||||||||||||||||||||||
Best forecast wave conditions in United Kingdom | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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