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Sandy Mouth Surf Forecast
/ Cornwall (North) (60 surf breaks) /
Surf Forecasts:
Sandy Mouth surfForecast / Cornwall (North) / UK
48hr Weather and Surf, issued 12 am Wednesday 20 May 2026 BSTForecast update in hr min s Forecast update imminent
Sandy Mouth surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Sandy Mouth sea temperature is
12.3° C
(Which is slightly warmer than usual)How big are the waves at Sandy Mouth today?
The current surf forecast for Sandy Mouth at 8AM is: 3.0m 14s primary swell from a West direction (forecast issued at 12:00am May 20). The wind direction is predicted to be cross-onshore.
| Time (BST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (20 May) | 10ft (3.0m) | 14s |
| Afternoon (20 May) | 8ft (2.5m) | 13s |
| Evening (20 May) | 7ft (2.1m) | 13s |
Table - waves today at Sandy Mouth. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastLight rain (total 2mm), mostly falling on Tue night. Very mild (max 19°C on Fri morning, min 12°C on Tue night). Winds decreasing (fresh winds from the SW on Tue night, light winds from the WNW by Fri afternoon). | ||||||||||||||||||||||||
Wednesday 20 | Thursday 21 | Friday 22 | ||||||||||||||||||||||
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 |    |    |    | |||||||||||||||||||||
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 11 | W 10 | W 10 | W 10 | W 10 | W 12 | W 11 | W 11 | W 11 | W 11 | W 11 | |
1466 | 3907 | 3697 | 3099 | 2348 | 1912 | 1583 | 1209 | 900 | 699 | 607 | 476 | 382 | 375 | 367 | 308 | 290 | 290 | 456 | 467 | 389 | 396 | 338 | 332 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross | cross | cross | cross | cross | cross | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross | cross-on | cross-on | on | glassy | |
High Tide | 9:00AM7.38m | 9:24PM7.44m | 9:53AM6.92m | 10:18PM7.01m | 10:50AM6.43m | |||||||||||||||||||
Low Tide | 2:46AM0.36m | 3:06PM0.71m | 3:39AM0.76m | 4:00PM1.14m | 4:38AM1.21m | 5:01PM1.57m | ||||||||||||||||||
 |  |  |  | |  | | |  | | | | | | | |  | | | | | | | | |
 | — | 5:22 | — | — | — | — | — | — | — | 5:20 | — | — | — | — | — | — | — | 5:20 | — | — | — | — | — | — |
 | — | — | — | — | — | — | 9:07 | — | — | — | — | — | — | — | 9:07 | — | — | — | — | — | — | — | 9:09 | — |
1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 12 | 12 | 12 | 13 | 14 | 14 | 15 | 13 | 13 | 13 | 13 | 16 | 18 | 18 | 17 | 16 | 15 | 15 | 14 | 17 | 19 | 19 | 16 | 16 |
5 | 6 | 6 | 8 | 9 | 9 | 12 | 11 | 9 | 9 | 10 | 12 | 15 | 15 | 14 | 13 | 12 | 13 | 12 | 16 | 19 | 19 | 16 | 17 | |
Swell 1 Height (m) Direction Period (s) | W 16 | — | W 14 | W 14 | W 13 | W 13 | W 13 | W 12 | W 12 | W 12 | W 12 | W 11 | W 11 | W 11 | W 10 | W 10 | W 10 | W 10 | W 12 | W 11 | W 11 | W 11 | W 11 | W 11 |
 kJ | 334 | — | 3697 | 3099 | 2348 | 1912 | 1583 | 1209 | 900 | 699 | 607 | 476 | 382 | 375 | 367 | 308 | 290 | 290 | 456 | 467 | 389 | 396 | 338 | 332 |
Swell 2 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | W 10 | W 14 | — | — | — | — | — | — | — | — | — | — | — | — | SSE 2 | SE 3 | SSE 3 | — | — | — | — | — | — | — |
| kJ | 1466 | 3907 | — | — | — | — | — | — | — | — | — | — | — | — | 1 | 2 | 3 | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 468 | 476 | 248 | 57 | 402 | 47 | 47 | 9 | 22 | 22 | 22 | 22 | 22 | 22 | 14 | 10 | 14 | 0 | 0 | 14 | 22 | 22 | 14 | 0 |
Best forecast wave conditions in North Cornwall | ||||||||||||||||||||||||
Best forecast wave conditions in United Kingdom | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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