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:
Porthmeor surfForecast / Cornwall (North) / UK
48hr Weather and Surf, issued 11 pm Tuesday 30 Dec 2025 GMTForecast update in hr min s Forecast update imminent
Porthmeor surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Porthmeor sea temperature is
11.3° C
(Which is normal for this time of year)How big are the waves at Porthmeor today?
The current surf forecast for Porthmeor at 6AM is: 0.8m 13s primary swell from a West direction and 0.5m 6s secondary swell from a East direction (forecast issued at 11:00pm December 30). An open ocean swell of 0.3m 5s is not directed at the surf break. The wind direction is predicted to be cross-shore.
| Time (GMT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (31 Dec) | 2.5ft (0.8m) | 13s |
| Afternoon (31 Dec) | 2.5ft (0.7m) | 13s |
| Evening (31 Dec) | 2ft (0.6m) | 12s |
Table - waves today at Porthmeor. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Wednesday 31 | Thursday 01 | Friday 02 | ||||||||||||||||||||||
| 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 | 3 PM | 6 PM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |  |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 15 | 14 | 14 | 13 | 13 | 13 | 13 | 12 | 12 | 12 | 12 | 12 | 16 | 15 | 15 | 14 | 6 | 6 | 6 | 6 | 6 | 7 | 7 | 7 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 267 | 260 | 236 | 222 | 219 | 215 | 157 | 145 | 103 | 102 | 69 | 67 | 44 | 68 | 67 | 64 | 114 | 118 | 97 | 97 | 136 | 316 | 427 | 501 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross | cross | cross | cross | cross | cross | cross | glass | on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | on | on | on | on | cross- on | cross- on | on | on | on |
High Tide / height (m) | 1:30AM 4.97 | 2:01PM 5.13 | 2:34AM 5.27 | 3:03PM 5.39 | 3:31AM 5.60 | 3:59PM 5.65 | ||||||||||||||||||
Low Tide / height (m) | 7:22PM 1.22 | 7:56AM 1.21 | 8:30PM 1.03 | 9:03AM 0.92 | 9:32PM 0.78 | 10:03AM 0.59 | ||||||||||||||||||
Wednesday 31 | Thursday 01 | Friday 02 | ||||||||||||||||||||||
| Sunrise | - | - | - | - | 8:21 | - | - | - | - | - | - | - | 8:21 | - | - | - | - | - | - | - | 8:21 | - | - | - |
| Sunset | - | - | - | - | - | - | 4:28 | - | - | - | - | - | - | - | 4:29 | - | - | - | - | - | - | - | 4:30 | - |
 |  | | |  | | |  | | | | |  | |  | | | | | | | | | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 6 | 6 | 6 | 5 | 5 | 5 | 6 | 5 | 5 | 6 | 7 | 7 | 8 | 8 | 8 | 8 | 8 | 7 | 6 | 7 | 8 | 7 | 6 | 6 |
| Feels °C (?) | 0 | 0 | 1 | -1 | 0 | 1 | 3 | 3 | 2 | 3 | 2 | 1 | 2 | 1 | 1 | 1 | 1 | 1 | -1 | 0 | 0 | -2 | -3 | -4 |
- 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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