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Jeffs Left surfForecast / Wales – Mid / UK
48hr Weather and Surf, issued 12 am Thursday 21 May 2026 BSTForecast 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
12.5° C
(Which is 1.4°C warmer than normal for this time of year)How big are the waves at Jeffs Left today?
The current surf forecast for Jeffs Left at 5AM is: 0.7m 9s primary swell from a West-southwest direction and 0.2m 11s secondary swell from a West-southwest direction, 0.4m 3s secondary swell from a South direction (forecast issued at 12:00am May 21). The wind direction is predicted to be cross-shore.
| Time (BST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (21 May) | 3ft (0.9m) | 7s |
| Afternoon (21 May) | 2.5ft (0.7m) | 8s |
| Evening (21 May) | 1.5ft (0.5m) | 8s |
Table - waves today at Jeffs Left. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastLight rain (total 4mm), mostly falling on Wed night. Very mild (max 18°C on Thu afternoon, min 11°C on Wed night). Wind will be generally light. | ||||||||||||||||||||||||
Thursday 21 | Friday 22 | Saturday 23 | ||||||||||||||||||||||
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 | 10 PM | |
Swell Height Map |    |    |    | |||||||||||||||||||||
WSW 9 | WSW 9 | SW 7 | SW 7 | SW 8 | SW 8 | WSW 8 | WSW 9 | WSW 9 | WSW 9 | WSW 10 | WSW 10 | WSW 10 | WSW 11 | WSW 10 | WSW 10 | WSW 10 | WSW 10 | WSW 10 | WSW 10 | WSW 10 | WSW 10 | WSW 9 | WSW 9 | |
32 | 68 | 75 | 77 | 60 | 64 | 26 | 43 | 46 | 59 | 60 | 64 | 72 | 75 | 63 | 59 | 39 | 56 | 38 | 38 | 38 | 31 | 29 | 17 | |
Wind (km/h) | ||||||||||||||||||||||||
cross | cross | cross | cross | cross | cross-on | cross-off | cross-off | cross-off | cross-off | cross-off | cross | cross-on | on | glassy | cross | cross | cross-on | glassy | cross-on | on | glassy | glassy | glassy | |
High Tide | 11:42PM4.32m | 12:12PM3.77m | 00:35AM4.04m | 1:10PM3.40m | 1:36AM3.75m | 2:17PM3.11m | ||||||||||||||||||
Low Tide | 7:14AM0.46m | 7:30PM0.88m | 8:15AM0.63m | 8:30PM1.05m | 9:18AM0.77m | 9:33PM1.17m | ||||||||||||||||||
 |  |  |  |  | | |  | | | | |  | | | |  | | | | | | | | |
 | — | 5:11 | — | — | — | — | — | — | — | 5:09 | — | — | — | — | — | — | — | 5:09 | — | — | — | — | — | — |
 | — | — | — | — | — | — | 9:14 | — | — | — | — | — | — | — | 9:15 | — | — | — | — | — | — | — | 9:16 | — |
— | 2 | 2 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 11 | 12 | 13 | 14 | 16 | 17 | 18 | 17 | 16 | 15 | 15 | 16 | 18 | 17 | 16 | 16 | 14 | 14 | 13 | 14 | 15 | 16 | 15 | 15 |
7 | 7 | 9 | 11 | 14 | 15 | 18 | 15 | 14 | 13 | 14 | 15 | 17 | 17 | 17 | 16 | 13 | 14 | 13 | 13 | 14 | 16 | 15 | 14 | |
Swell 1 Height (m) Direction Period (s) | WSW 5 | WSW 9 | W 11 | — | — | — | WSW 8 | WSW 9 | WSW 9 | WSW 9 | WSW 10 | WSW 10 | WSW 10 | WSW 11 | WSW 10 | WSW 10 | WSW 10 | WSW 10 | WSW 10 | WSW 10 | WSW 10 | WSW 10 | WSW 9 | WSW 9 |
 kJ | 14 | 68 | 10 | — | — | — | 26 | 43 | 46 | 59 | 60 | 64 | 72 | 75 | 63 | 59 | 39 | 56 | 38 | 38 | 38 | 31 | 29 | 17 |
Swell 2 Height (m) Direction Period (s) | WSW 9 | WSW 11 | — | — | — | — | WSW 4 | — | — | — | — | — | — | — | — | WSW 4 | WSW 4 | — | — | — | — | — | — | — |
| kJ | 32 | 13 | — | — | — | — | 7 | — | — | — | — | — | — | — | — | 3 | 1 | — | — | — | — | — | — | — |
Swell 3 Height (m) Direction Period (s) | WSW 12 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | 13 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | S 3 | S 3 | SW 7 | SW 7 | SW 8 | SW 8 | — | — | — | SSE 2 | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | 1 | 3 | 75 | 77 | 60 | 64 | — | — | — | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 35 | 181 | 181 | 181 | 111 | 114 | 114 | 105 | 111 | 0 | 0 | 35 | 35 | 35 | 0 | 35 | 55 | 35 | 35 | 105 | 35 | 35 | 35 | 104 |
Best forecast wave conditions in Mid Wales | ||||||||||||||||||||||||
Best forecast wave conditions in United Kingdom | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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