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:
Mawgan Porth surfForecast / Cornwall (North) / UK
48hr Weather and Surf, issued 5 am Friday 19 Dec 2025 GMTForecast 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
11.8° C
(Which is slightly warmer than usual)How big are the waves at Mawgan Porth today?
The current surf forecast for Mawgan Porth at 8AM is: 4.0m 16s primary swell from a West direction and 0.9m 10s secondary swell from a Southwest direction (forecast issued at 05:00am December 19). The wind direction is predicted to be onshore.
| Time (GMT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (19 Dec) | 13ft (4.0m) | 16s |
| Afternoon (19 Dec) | 13ft (4.0m) | 16s |
| Evening (19 Dec) | 11ft (3.5m) | 15s |
Table - waves today at Mawgan Porth. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Friday 19 | Saturday 20 | Sunday 21 | Mon 22 | |||||||||||||||||||||
| 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) (?) | 17 | 16 | 16 | 16 | 16 | 15 | 15 | 14 | 14 | 14 | 13 | 13 | 11 | 12 | 12 | 12 | 17 | 16 | 16 | 15 | 15 | 15 | 15 | 14 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 10818 | 9166 | 8980 | 8869 | 7621 | 6143 | 4746 | 3747 | 2886 | 2266 | 2354 | 1087 | 2431 | 2332 | 2246 | 2262 | 6947 | 6806 | 6491 | 5696 | 4711 | 3781 | 3170 | 2614 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- on | on | on | cross- on | cross- on | cross- on | cross | cross | cross- off | cross | cross- off | cross- off | cross- off | cross | cross- on | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off |
High Tide / height (m) | 4:31AM 5.69 | 4:51PM 5.66 | 5:09AM 5.86 | 5:27PM 5.76 | 5:45AM 5.98 | 6:03PM 5.81 | ||||||||||||||||||
Low Tide / height (m) | 10:51AM 1.13 | 11:06PM 1.09 | 11:29AM 1.00 | 11:43PM 0.98 | 12:05PM 0.92 | |||||||||||||||||||
Friday 19 | Saturday 20 | Sunday 21 | Mon 22 | |||||||||||||||||||||
| Sunrise | - | - | 8:15 | - | - | - | - | - | - | - | 8:17 | - | - | - | - | - | - | - | 8:17 | - | - | - | - | - |
| Sunset | - | - | - | - | 4:16 | - | - | - | - | - | - | - | 4:16 | - | - | - | - | - | - | - | 4:16 | - | - | - |
 | |  | | | | | | |  | |  |  |  |  |  | | | |  | | | | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | 4 | 3 | 1 | - | - | 5 | 3 | - | - | - | - | - |
| Temp. °C | 10 | 10 | 10 | 11 | 11 | 10 | 10 | 9 | 10 | 10 | 10 | 10 | 10 | 9 | 8 | 8 | 8 | 8 | 8 | 9 | 9 | 8 | 8 | 8 |
| Feels °C (?) | 2 | 2 | 3 | 5 | 6 | 6 | 5 | 4 | 4 | 2 | 1 | 0 | 1 | 4 | 0 | 4 | 4 | 4 | 6 | 4 | 5 | 4 | 4 | 3 |
- 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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