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Surf Forecasts:
Jeffs Left surfForecast / Wales – Mid / UK
48hr Weather and Surf, issued 12 am Thursday 18 Sep 2025 BST
How big are the waves at Jeffs Left today?
The current surf forecast for Jeffs Left at 1AM is: 1.4m 6s primary swell from a West-southwest direction (forecast issued at 12:00am September 18). The wind direction is predicted to be cross-onshore.
| Time (BST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (18 Sep) | 3.5ft (1.1m) | 12s |
| Afternoon (18 Sep) | 4.5ft (1.4m) | 6s |
| Evening (18 Sep) | 4ft (1.2m) | 7s |
Table - waves today at Jeffs Left. (Swell directed towards the surf break)
Thursday 18 | Friday 19 | Saturday 20 | ||||||||||||||||||||||
| 10 PM | 1 AM | 4 AM | 7 AM | 10 AM | 1 PM | 4 PM | 7 PM | 10 PM | 1 AM | 4 AM | 7 AM | 10 AM | 1 PM | 4 PM | 7 PM | 10 PM | 1 AM | 4 AM | 7 AM | 10 AM | 1 PM | 4 PM | 7 PM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 6 | 6 | 6 | 12 | 12 | 6 | 6 | 7 | 7 | 7 | 8 | 8 | 9 | 9 | 10 | 10 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 191 | 145 | 108 | 311 | 280 | 128 | 172 | 159 | 156 | 160 | 173 | 175 | 161 | 121 | 103 | 94 | 69 | 48 | 47 | 32 | 32 | 16 | 16 | 8 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- on | cross- on | cross- on | cross | cross- on | cross- on | cross- on | cross | cross | cross | cross- on | cross | cross | cross- on | on | glass | cross | glass | cross- off | cross- off | cross- off | off | off | off |
High Tide / height (m) | 6:25AM 3.20 | 6:45PM 3.64 | 7:15AM 3.49 | 7:32PM 3.97 | 7:56AM 3.76 | |||||||||||||||||||
Low Tide / height (m) | 1:19AM 0.84 | 1:39PM 0.95 | 2:11AM 0.54 | 2:25PM 0.67 | 2:53AM 0.31 | 3:03PM 0.48 | ||||||||||||||||||
Thursday 18 | Friday 19 | Saturday 20 | ||||||||||||||||||||||
| Sunrise | - | - | - | 6:54 | - | - | - | - | - | - | - | 6:56 | - | - | - | - | - | - | - | 6:56 | - | - | - | - |
| Sunset | - | - | - | - | - | - | - | 7:24 | - | - | - | - | - | - | - | 7:22 | - | - | - | - | - | - | - | 7:21 |
 |  | |  | | |  |  |  | |  | | | | | | | | | | | | |  | |
Rain (mm) | - | - | - | 1 | 3 | 1 | - | - | - | - | 1 | 1 | 1 | 3 | 1 | 1 | - | - | - | 1 | - | 1 | - | 1 |
| Temp. °C | 15 | 15 | 15 | 14 | 16 | 17 | 18 | 18 | 18 | 17 | 17 | 17 | 16 | 16 | 15 | 14 | 14 | 15 | 15 | 15 | 14 | 14 | 17 | 14 |
| Feels °C (?) | 10 | 10 | 11 | 11 | 13 | 13 | 14 | 14 | 14 | 12 | 13 | 15 | 14 | 15 | 13 | 14 | 14 | 15 | 15 | 15 | 11 | 11 | 14 | 8 |
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Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
Recent Eyeball Surf Reports for Wales - Mid
Continuing clean conditions at Jeffs Left (light winds from the N at Trawscoed 32 km from Jeffs Left). A 1.6m swell from the WSW
32 km away, 1 h 12 min ago
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