Using Surf-Forecast’s Historical Surf Data To Find The Most Consistent Waves On Earth
Using our statistical data for 7000 spots dating back to 2006, we can find those waves that break the most, with the best winds.
Surf Forecasts:
Maenporth surfForecast / Cornwall (South) / UK
48hr Weather and Surf, issued 5 pm Thursday 18 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 1AM is: 2.1m 10s primary swell from a South-southwest direction (forecast issued at 05:00pm December 18). An open ocean swell of 5.0m 18s is not directed at the surf break. The wind direction is predicted to be cross-offshore.
| Time (GMT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (19 Dec) | 5.5ft (1.7m) | 10s |
| Afternoon (19 Dec) | 4.5ft (1.3m) | 9s |
| Evening (19 Dec) | 4.5ft (1.3m) | 9s |
Table - waves today at Maenporth. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Thursday 18 | Friday 19 | Saturday 20 | Sunday 21 | |||||||||||||||||||||
| 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 | 3 AM | 6 AM | 9 AM | 12 PM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 19 | 18 | 18 | 10 | 18 | 10 | 10 | 10 | 9 | 9 | 9 | 15 | 14 | 8 | 9 | 13 | 12 | 12 | 12 | 13 | 17 | 16 | 16 | 16 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 23441 | 17967 | 17053 | 1050 | 12352 | 598 | 527 | 386 | 287 | 188 | 249 | 5781 | 5310 | 1145 | 1921 | 7023 | 5093 | 3973 | 3750 | 3775 | 10136 | 9316 | 9567 | 9286 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross | cross | cross- on | cross- on | cross- on | cross- on | cross- on | cross | cross | cross | cross- off | cross- off | off | off | cross- off |
High Tide / height (m) | 4:07PM 4.37 | 4:29AM 4.59 | 4:44PM 4.43 | 5:05AM 4.69 | 5:20PM 4.47 | 5:40AM 4.76 | ||||||||||||||||||
Low Tide / height (m) | 10:54PM 1.38 | 11:17AM 1.36 | 11:28PM 1.27 | 11:51AM 1.26 | 12:01AM 1.19 | |||||||||||||||||||
Thursday 18 | Friday 19 | Saturday 20 | Sunday 21 | |||||||||||||||||||||
| Sunrise | - | - | - | - | - | - | 8:15 | - | - | - | - | - | - | - | 8:15 | - | - | - | - | - | - | - | 8:15 | - |
| Sunset | 4:17 | - | - | - | - | - | - | - | 4:17 | - | - | - | - | - | - | - | 4:19 | - | - | - | - | - | - | - |
 |  | |  |  | |  | | | | | | | | |  | | | | | |  |  | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | 1 | 3 | - | - | - | - | 9 | 8 | 1 |
| Temp. °C | 11 | 11 | 10 | 9 | 10 | 10 | 10 | 11 | 10 | 10 | 10 | 10 | 10 | 11 | 11 | 10 | 9 | 9 | 9 | 8 | 7 | 5 | 5 | 5 |
| Feels °C (?) | 5 | 3 | 3 | 1 | 2 | 3 | 4 | 5 | 4 | 6 | 5 | 4 | 2 | 2 | 2 | 0 | 3 | 3 | 4 | 5 | 4 | 0 | -1 | -1 |
- Map Icons:
Break
Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
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