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:
Jeffs Left surfForecast / Wales – Mid / UK
48hr Weather and Surf, issued 11 pm Monday 29 Dec 2025 GMTForecast update in hr min s Forecast update imminent
Jeffs Left surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Jeffs Left sea temperature is
9.1° C
(Which is slightly cooler than normal)How big are the waves at Jeffs Left today?
The current surf forecast for Jeffs Left at 2AM is: 0.1m 12s primary swell from a West direction (forecast issued at 11:00pm December 29). An open ocean swell of 0.3m 2s is not directed at the surf break. The wind direction is predicted to be cross-offshore.
| Time (GMT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (30 Dec) | 0.5ft (0.1m) | 12s |
| Afternoon (30 Dec) | 0.5ft (0.1m) | 16s |
| Evening (30 Dec) | 0.5ft (0.1m) | 15s |
Table - waves today at Jeffs Left. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Tuesday 30 | Wednesday 31 | Thursday 01 | ||||||||||||||||||||||
| 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) (?) | 13 | 12 | 12 | 12 | 12 | 16 | 16 | 16 | 15 | 14 | 14 | 14 | 13 | 13 | 13 | 12 | 3 | 4 | 4 | 5 | 6 | 6 | 6 | 6 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 3 | 3 | 3 | 3 | 3 | 5 | 5 | 5 | 4 | 4 | 4 | 4 | 3 | 3 | 3 | 3 | 7 | 22 | 39 | 78 | 114 | 124 | 89 | 97 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- off | cross- off | cross- off | cross- off | off | off | cross- off | cross- off | cross- off | off | off | glass | glass | glass | on | cross- on | on | on | on | on | cross- on | cross- on | cross- on | cross- on |
High Tide / height (m) | 3:40AM 3.30 | 4:09PM 3.59 | 4:48AM 3.53 | 5:15PM 3.77 | 5:47AM 3.83 | |||||||||||||||||||
Low Tide / height (m) | 10:07PM 0.99 | 10:33AM 1.20 | 11:22PM 0.93 | 11:55AM 1.00 | 12:32AM 0.79 | 1:04PM 0.72 | ||||||||||||||||||
Tuesday 30 | Wednesday 31 | Thursday 01 | ||||||||||||||||||||||
| Sunrise | - | - | - | - | 8:26 | - | - | - | - | - | - | - | 8:26 | - | - | - | - | - | - | - | 8:26 | - | - | - |
| Sunset | - | - | - | - | - | - | 4:08 | - | - | - | - | - | - | - | 4:09 | - | - | - | - | - | - | - | 4:12 | - |
 |  | | |  | |  | |  | | | | | | | | | | | |  |  | | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | 1 | - | - |
| Temp. °C | 3 | 6 | 5 | 5 | 5 | 6 | 6 | 5 | 5 | 4 | 3 | 3 | 3 | 3 | 5 | 5 | 5 | 5 | 5 | 6 | 7 | 7 | 7 | 6 |
| Feels °C (?) | -3 | 2 | 1 | 0 | -1 | 1 | 1 | 0 | 0 | 0 | -1 | 0 | 1 | 0 | 2 | -1 | -1 | -3 | -3 | -2 | -1 | -1 | -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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