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 am Thursday 01 Jan 2026 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
8.8° C
(Which is slightly cooler than normal)How big are the waves at Jeffs Left today?
The current surf forecast for Jeffs Left at 5PM is: 0.3m 5s primary swell from a West-southwest direction and 0.1m 9s secondary swell from a West direction (forecast issued at 11:00am January 01). An open ocean swell of 1.6m 6s is not directed at the surf break. The wind direction is predicted to be cross-onshore.
| Time (GMT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (01 Jan) | 4.5ft (1.4m) | 6s |
| Afternoon (01 Jan) | 5ft (1.5m) | 6s |
| Evening (01 Jan) | 0.5ft (0.1m) | 14s |
Table - waves today at Jeffs Left. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Thursday 01 | Friday 02 | Saturday 03 | Sunday 04 | |||||||||||||||||||||
| 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) (?) | 6 | 6 | 6 | 14 | 14 | 6 | 13 | 13 | 13 | 12 | 12 | 12 | 12 | 11 | 11 | 11 | 10 | 12 | 12 | 12 | 11 | 6 | 6 | 6 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 137 | 156 | 156 | 4 | 4 | 0 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 2 | 5 | 4 | 4 | 6 | 6 | 5 | 5 | 87 | 89 | 68 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross | cross | cross- on | cross- on | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross |
High Tide / height (m) | 6:14PM 3.98 | 6:40AM 4.14 | 7:07PM 4.17 | 7:30AM 4.41 | 7:56PM 4.27 | |||||||||||||||||||
Low Tide / height (m) | 1:04PM 0.72 | 1:33AM 0.61 | 2:02PM 0.43 | 2:25AM 0.45 | 2:55PM 0.19 | 3:13AM 0.34 | ||||||||||||||||||
Thursday 01 | Friday 02 | Saturday 03 | Sunday 04 | |||||||||||||||||||||
| Sunrise | 8:26 | - | - | - | - | - | - | - | 8:26 | - | - | - | - | - | - | - | 8:26 | - | - | - | - | - | - | - |
| Sunset | - | - | 4:12 | - | - | - | - | - | - | - | 4:13 | - | - | - | - | - | - | - | 4:14 | - | - | - | - | - |
 | |  |  | | |  |  | |  |  | |  | | | | | |  | |  | | | | |
Rain (mm) | 1 | 1 | - | - | - | - | 1 | 1 | - | - | 1 | 1 | - | - | 1 | 1 | - | - | - | - | - | - | - | - |
| Temp. °C | 8 | 8 | 7 | 7 | 7 | 6 | 6 | 5 | 4 | 5 | 5 | 5 | 4 | 3 | 2 | 3 | 3 | 4 | 4 | 4 | 3 | 2 | 3 | 3 |
| Feels °C (?) | 0 | 0 | -2 | -2 | -1 | -4 | -3 | -4 | -4 | -5 | -5 | -4 | -5 | -5 | -5 | -6 | -6 | -5 | -5 | -4 | -4 | -5 | -4 | -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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