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Surf Forecasts:
Maenporth surfForecast / Cornwall (South) / UK
48hr Weather and Surf, issued 5 am Wednesday 17 Dec 2025 GMTForecast update in hr min s Forecast update imminent
Maenporth surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Maenporth sea temperature is
12.2° C
(Which is slightly warmer than usual)How big are the waves at Maenporth today?
The current surf forecast for Maenporth at 8AM is: 2.2m 13s primary swell from a West-southwest direction and 2.1m 6s secondary swell from a Southwest direction (forecast issued at 05:00am December 17). The wind direction is predicted to be cross-shore.
| Time (GMT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (17 Dec) | 8ft (2.4m) | 7s |
| Afternoon (17 Dec) | 15ft (4.5m) | 13s |
| Evening (17 Dec) | 15ft (4.5m) | 11s |
Table - waves today at Maenporth. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Wednesday 17 | Thursday 18 | Friday 19 | Sat 20 | |||||||||||||||||||||
| 3 AM | 6 AM | 9 AM | 12 PM | 3 PM | 6 PM | 9 PM | 0 AM | 3 AM | 6 AM | 9 AM | 12 PM | 3 PM | 6 PM | 9 PM | 0 AM | 3 AM | 6 AM | 9 AM | 12 PM | 3 PM | 6 PM | 9 PM | 0 AM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 14 | 14 | 7 | 8 | 13 | 11 | 11 | 9 | 21 | 20 | 20 | 19 | 19 | 19 | 10 | 10 | 10 | 10 | 10 | 9 | 9 | 9 | 16 | 15 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 2285 | 0 | 520 | 1176 | 5943 | 5446 | 5144 | 1437 | 18912 | 27951 | 26923 | 23963 | 21703 | 21232 | 951 | 892 | 650 | 527 | 452 | 346 | 180 | 113 | 7644 | 6077 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross | cross | cross | cross- on | cross- on | cross | cross | cross- off | cross | cross- on | cross- on | cross- off | cross | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross | cross | cross | cross- on |
High Tide / height (m) | 3:11AM 4.29 | 3:28PM 4.31 | 3:51AM 4.45 | 4:07PM 4.37 | 4:29AM 4.59 | 4:44PM 4.43 | ||||||||||||||||||
Low Tide / height (m) | 10:02AM 1.63 | 10:19PM 1.51 | 10:41AM 1.48 | 10:54PM 1.38 | 11:17AM 1.36 | 11:28PM 1.27 | ||||||||||||||||||
Wednesday 17 | Thursday 18 | Friday 19 | Sat 20 | |||||||||||||||||||||
| Sunrise | - | - | 8:12 | - | - | - | - | - | - | - | 8:14 | - | - | - | - | - | - | - | 8:15 | - | - | - | - | - |
| Sunset | - | - | - | - | 4:17 | - | - | - | - | - | - | - | 4:17 | - | - | - | - | - | - | - | 4:17 | - | - | - |
 | |  |  | |  | | | | |  |  | | |  | | | |  | | |  | | | |
Rain (mm) | - | - | - | 2 | 5 | 3 | 2 | 1 | - | - | 6 | 12 | 2 | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 9 | 10 | 10 | 10 | 11 | 12 | 13 | 12 | 12 | 11 | 11 | 10 | 11 | 10 | 9 | 9 | 9 | 10 | 10 | 11 | 10 | 9 | 10 | 10 |
| Feels °C (?) | 3 | 2 | 1 | 1 | 2 | 3 | 6 | 8 | 9 | 8 | 8 | 8 | 5 | 1 | 2 | 2 | 2 | 3 | 4 | 4 | 4 | 4 | 5 | 3 |
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Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
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