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:
Porthtowan surfForecast / Cornwall (North) / UK
48hr Weather and Surf, issued 11 am Friday 26 Dec 2025 GMTForecast update in hr min s Forecast update imminent
Porthtowan surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Porthtowan sea temperature is
11.6° C
(Which is slightly warmer than usual)How big are the waves at Porthtowan today?
The current surf forecast for Porthtowan at 4PM is: 0.5m 12s primary swell from a West direction (forecast issued at 11:00am December 26). An open ocean swell of 0.3m 5s is not directed at the surf break, a second open ocean swell of 0.8m 6s is not directed at the surf break. The wind direction is predicted to be cross-offshore.
| Time (GMT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (26 Dec) | 1.5ft (0.5m) | 11s |
| Afternoon (26 Dec) | 1.5ft (0.5m) | 12s |
| Evening (26 Dec) | 1.5ft (0.5m) | 12s |
Table - waves today at Porthtowan. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Friday 26 | Saturday 27 | Sunday 28 | Monday 29 | |||||||||||||||||||||
| 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 | 3 AM | 6 AM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 11 | 11 | 12 | 13 | 12 | 12 | 12 | 11 | 11 | 16 | 15 | 15 | 14 | 13 | 13 | 12 | 12 | 18 | 16 | 16 | 15 | 15 | 14 | 14 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 64 | 64 | 67 | 82 | 72 | 69 | 67 | 60 | 58 | 80 | 113 | 104 | 142 | 127 | 119 | 150 | 138 | 99 | 132 | 127 | 159 | 153 | 148 | 196 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off |
High Tide / height (m) | 8:52AM 5.61 | 9:17PM 5.25 | 9:41AM 5.46 | 10:12PM 5.12 | 10:39AM 5.31 | 11:15PM 5.05 | ||||||||||||||||||
Low Tide / height (m) | 3:18PM 1.19 | 3:34AM 1.35 | 4:09PM 1.31 | 4:29AM 1.48 | 5:09PM 1.39 | 5:35AM 1.55 | ||||||||||||||||||
Friday 26 | Saturday 27 | Sunday 28 | Monday 29 | |||||||||||||||||||||
| Sunrise | 8:18 | - | - | - | - | - | - | - | 8:19 | - | - | - | - | - | - | - | 8:19 | - | - | - | - | - | - | - |
| Sunset | - | - | 4:22 | - | - | - | - | - | - | - | 4:22 | - | - | - | - | - | - | - | 4:23 | - | - | - | - | - |
 |  |  |  |  | |  | | | | | | | | | | | | | | | | | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 2 | 2 | 3 | 3 | 3 | 3 | 2 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 7 | 5 | 5 | 4 | 5 | 3 | 2 | 2 | 2 | 2 |
| Feels °C (?) | -4 | -4 | -3 | -3 | -3 | -3 | -4 | -4 | -3 | -3 | -2 | -1 | -1 | 1 | 1 | -2 | -1 | -1 | 0 | -2 | -3 | -3 | -3 | -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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