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Sandy Mouth Surf Forecast
/ Cornwall (North) (59 surf breaks) /
Surf Forecasts:
Sandy Mouth surfForecast / Cornwall (North) / UK
48hr Weather and Surf, issued 12 am Wednesday 17 Sep 2025 BST
How big are the waves at Sandy Mouth today?
The current surf forecast for Sandy Mouth at 7AM is: 2.3m 9s primary swell from a West-southwest direction (forecast issued at 12:00am September 17). The wind direction is predicted to be cross-onshore.
| Time (BST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (17 Sep) | 8ft (2.4m) | 9s |
| Afternoon (17 Sep) | 8ft (2.5m) | 10s |
| Evening (17 Sep) | 8ft (2.5m) | 12s |
Table - waves today at Sandy Mouth. (Swell directed towards the surf break)
Wednesday 17 | Thursday 18 | Friday 19 | ||||||||||||||||||||||
| 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 | 4 PM | 7 PM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |  |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 11 | 11 | 10 | 9 | 10 | 10 | 10 | 12 | 12 | 12 | 12 | 12 | 12 | 11 | 11 | 11 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 517 | 442 | 218 | 791 | 1064 | 1257 | 1397 | 1926 | 2008 | 1918 | 1684 | 1347 | 1215 | 1006 | 850 | 736 | 586 | 490 | 470 | 490 | 490 | 431 | 377 | 326 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross | cross | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross | cross | cross | cross- off | cross- off | cross- off | cross | cross- on | cross- on |
High Tide / height (m) | 2:41AM 5.42 | 3:21PM 5.76 | 4:02AM 5.79 | 4:29PM 6.25 | 4:58AM 6.29 | 5:17PM 6.77 | ||||||||||||||||||
Low Tide / height (m) | 8:28PM 2.36 | 9:10AM 2.39 | 9:57PM 2.02 | 10:23AM 1.95 | 10:55PM 1.53 | 11:13AM 1.45 | ||||||||||||||||||
Wednesday 17 | Thursday 18 | Friday 19 | ||||||||||||||||||||||
| Sunrise | - | - | - | 6:54 | - | - | - | - | - | - | - | 6:56 | - | - | - | - | - | - | - | 6:58 | - | - | - | - |
| Sunset | - | - | - | - | - | - | - | 7:29 | - | - | - | - | - | - | - | 7:25 | - | - | - | - | - | - | - | 7:23 |
 | | |  | | |  | |  | | | |  | | |  |  | | | | | | | | |
Rain (mm) | 1 | 1 | 3 | - | - | - | 1 | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 13 | 14 | 15 | 16 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 18 | 20 | 20 | 18 | 17 | 17 | 16 | 15 | 17 | 20 | 20 | 17 |
| Feels °C (?) | 10 | 9 | 8 | 10 | 12 | 12 | 12 | 14 | 15 | 14 | 13 | 13 | 14 | 16 | 17 | 16 | 15 | 15 | 15 | 13 | 15 | 17 | 18 | 16 |
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Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
Recent Eyeball Surf Reports for Cornwall (North)
No recent live wind reports 39 km from Sandy Mouth. 3.0m 8s swell from the WSW which is too big for here.
39 km away, 58 min ago
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