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Jeffs Left surfForecast / Wales – Mid / UK
48hr Weather and Surf, issued 6 am Sunday 17 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
12.2° C
(Which is 1.3°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 10AM is: 0.9m 5s primary swell from a West direction (forecast issued at 06:00am May 17). The wind direction is predicted to be onshore.
| Time (BST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (17 May) | 3ft (0.9m) | 5s |
| Afternoon (17 May) | 3ft (0.9m) | 4s |
| Evening (17 May) | 3ft (0.9m) | 5s |
Table - waves today at Jeffs Left. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastHeavy rain (total 24mm), heaviest during Mon night. Very mild (max 13°C on Tue morning, min 9°C on Sun afternoon). Winds increasing (calm on Mon afternoon, strong winds from the SW by Tue night). | ||||||||||||||||||||||||
Sunday 17 | Monday 18 | Tuesday 19 | Wed 20 | |||||||||||||||||||||
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 |    |    |    |    | ||||||||||||||||||||
W 4 | W 5 | W 5 | W 5 | WSW 4 | WSW 5 | WSW 5 | WSW 6 | WSW 6 | WSW 6 | WSW 6 | WSW 6 | WSW 6 | WSW 6 | WSW 6 | WSW 6 | SW 5 | SW 6 | SW 4 | SW 4 | WSW 6 | WSW 7 | WSW 7 | WSW 7 | |
33 | 34 | 34 | 27 | 26 | 57 | 51 | 36 | 36 | 32 | 23 | 15 | 16 | 8 | 8 | 7 | 7 | 18 | 17 | 36 | 119 | 262 | 222 | 183 | |
Wind (km/h) | ||||||||||||||||||||||||
on | on | on | on | cross-on | cross-on | cross-on | cross-on | on | cross-on | cross-on | cross-on | glassy | cross | cross-off | cross-off | cross-off | cross-off | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | |
High Tide | 8:59AM4.62m | 9:21PM4.63m | 9:45AM4.60m | 10:06PM4.65m | 10:32AM4.43m | 10:53PM4.53m | ||||||||||||||||||
Low Tide | 4:05PM0.24m | 4:30AM0.18m | 4:53PM0.34m | 5:22AM0.20m | 5:43PM0.49m | |||||||||||||||||||
 |  |  |  | | |  |  | | | | | | | | | | | | | |  | | | |
 | 5:16 | — | — | — | — | — | — | — | 5:16 | — | — | — | — | — | — | — | 5:13 | — | — | — | — | — | — | 5:13 |
 | — | — | — | — | — | 9:07 | — | — | — | — | — | — | — | 9:09 | — | — | — | — | — | — | — | 9:10 | — | 9:13 |
— | — | 1 | 1 | 1 | 2 | 1 | 1 | 2 | 1 | — | — | — | — | — | 1 | 3 | 3 | 2 | 1 | 1 | — | — | 3 | |
Temp °C | 9 | 9 | 10 | 10 | 10 | 9 | 9 | 9 | 9 | 9 | 10 | 10 | 11 | 11 | 11 | 11 | 11 | 12 | 12 | 13 | 12 | 12 | 12 | 13 |
4 | 4 | 5 | 4 | 3 | 3 | 5 | 5 | 7 | 7 | 7 | 7 | 9 | 8 | 7 | 6 | 5 | 7 | 8 | 8 | 5 | 5 | 6 | 5 | |
Swell 1 Height (m) Direction Period (s) | — | — | — | W 12 | NW 4 | — | — | W 11 | WSW 6 | WSW 6 | WSW 6 | WSW 6 | WSW 6 | WSW 6 | WSW 6 | WSW 6 | SW 5 | SW 6 | — | — | — | — | — | — |
 kJ | — | — | — | 3 | 3 | — | — | 2 | 36 | 32 | 23 | 15 | 16 | 8 | 8 | 7 | 7 | 18 | — | — | — | — | — | — |
Swell 2 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | W 11 | W 11 | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | 2 | 3 | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | W 4 | W 5 | W 5 | W 5 | WSW 4 | WSW 5 | WSW 5 | WSW 6 | — | — | WNW 3 | — | — | — | — | SSE 3 | SSE 3 | S 4 | SW 4 | SW 4 | WSW 6 | WSW 7 | WSW 7 | WSW 7 |
| kJ | 33 | 34 | 34 | 27 | 26 | 57 | 51 | 36 | — | — | 1 | — | — | — | — | 3 | 6 | 9 | 17 | 36 | 119 | 262 | 222 | 183 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 301 | 301 | 112 | 115 | 303 | 301 | 301 | 301 | 282 | 35 | 33 | 33 | 33 | 237 | 237 | 219 | 219 | 229 | 345 | 357 | 331 | 358 | 303 | 303 |
Best forecast wave conditions in Mid Wales | ||||||||||||||||||||||||
Best forecast wave conditions in United Kingdom | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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