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Jeffs Left surfForecast / Wales – Mid / UK
48hr Weather and Surf, issued 6 am Wednesday 20 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 12PM is: 1.6m 6s primary swell from a West-southwest direction (forecast issued at 06:00am May 20). The wind direction is predicted to be cross-onshore.
| Time (BST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (20 May) | 5.5ft (1.7m) | 6s |
| Afternoon (20 May) | 4.5ft (1.4m) | 6s |
| Evening (20 May) | 1.5ft (0.5m) | 9s |
Table - waves today at Jeffs Left. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastSome drizzle, heaviest during Wed morning. Very mild (max 18°C on Thu afternoon, min 12°C on Wed morning). Winds decreasing (fresh winds from the SW on Wed morning, calm by Fri night). | ||||||||||||||||||||||||
Wednesday 20 | Thursday 21 | Friday 22 | Sat 23 | |||||||||||||||||||||
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 | 1 AM | |
Swell Height Map |    |    |    |    | ||||||||||||||||||||
WSW 9 | WSW 10 | WSW 6 | WSW 6 | WSW 6 | WSW 5 | WSW 9 | WSW 9 | SW 9 | WSW 5 | WSW 7 | WSW 7 | WSW 8 | WSW 8 | WSW 9 | WSW 9 | WSW 10 | WSW 9 | WSW 10 | WSW 10 | WSW 10 | WSW 10 | WSW 10 | WSW 10 | |
484 | 425 | 163 | 156 | 126 | 71 | 48 | 32 | 20 | 15 | 42 | 47 | 40 | 26 | 52 | 49 | 51 | 59 | 61 | 71 | 97 | 63 | 59 | 39 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross | cross | cross | cross | cross | cross | cross-on | cross-off | cross-off | cross-off | cross-off | cross-off | cross-on | cross-on | on | glassy | glassy | glassy | |
High Tide | 11:20AM4.14m | 11:42PM4.32m | 12:12PM3.77m | 00:35AM4.04m | 1:10PM3.40m | |||||||||||||||||||
Low Tide | 6:17AM0.31m | 6:35PM0.69m | 7:14AM0.46m | 7:30PM0.88m | 8:15AM0.63m | 8:30PM1.05m | ||||||||||||||||||
 |  | |  |  | |  |  |  |  | | | | | | | | | | | | | | | |
 | 5:13 | — | — | — | — | — | — | — | 5:11 | — | — | — | — | — | — | — | 5:09 | — | — | — | — | — | — | 5:09 |
 | — | — | — | — | — | 9:13 | — | — | — | — | — | — | — | 9:14 | — | — | — | — | — | — | — | 9:15 | — | 9:16 |
1 | 1 | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 12 | 12 | 12 | 12 | 13 | 13 | 13 | 12 | 13 | 13 | 14 | 16 | 17 | 18 | 17 | 16 | 15 | 16 | 17 | 18 | 16 | 15 | 15 | 14 |
5 | 6 | 5 | 6 | 7 | 9 | 10 | 8 | 9 | 9 | 10 | 13 | 14 | 17 | 16 | 13 | 12 | 14 | 15 | 17 | 16 | 15 | 15 | 14 | |
Swell 1 Height (m) Direction Period (s) | — | — | — | — | — | — | WSW 9 | WSW 5 | WSW 5 | WSW 5 | WSW 7 | WSW 7 | — | WSW 8 | WSW 9 | WSW 9 | WSW 10 | WSW 9 | WSW 10 | WSW 10 | WSW 10 | WSW 10 | WSW 10 | WSW 10 |
 kJ | — | — | — | — | — | — | 48 | 19 | 12 | 15 | 42 | 47 | — | 26 | 52 | 49 | 51 | 59 | 61 | 71 | 97 | 63 | 59 | 39 |
Swell 2 Height (m) Direction Period (s) | — | — | — | — | — | — | — | WSW 9 | SW 9 | W 11 | — | — | — | SW 4 | — | — | — | — | — | — | — | SW 4 | WSW 4 | WSW 4 |
| kJ | — | — | — | — | — | — | — | 32 | 20 | 10 | — | — | — | 4 | — | — | — | — | — | — | — | 3 | 3 | 1 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | WSW 12 | WSW 11 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | 13 | 13 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | WSW 9 | WSW 10 | WSW 6 | WSW 6 | WSW 6 | WSW 5 | WSW 5 | S 3 | S 3 | S 3 | S 3 | S 3 | WSW 8 | — | — | — | SSE 2 | — | — | — | — | — | — | — |
| kJ | 484 | 425 | 163 | 156 | 126 | 71 | 34 | 1 | 2 | 3 | 1 | 1 | 40 | — | — | — | 1 | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 324 | 321 | 252 | 386 | 237 | 237 | 17 | 35 | 35 | 126 | 126 | 111 | 114 | 112 | 105 | 14 | 111 | 0 | 111 | 35 | 117 | 0 | 0 | 55 |
Best forecast wave conditions in Mid Wales | ||||||||||||||||||||||||
Best forecast wave conditions in United Kingdom | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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