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Surf Forecasts:
Jeffs Left surfForecast / Wales – Mid / UK
48hr Weather and Surf, issued 12 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
12.3° 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 3AM is: 0.8m 4s primary swell from a West direction (forecast issued at 12:00am May 17). The wind direction is predicted to be onshore.
| Time (BST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (17 May) | 2.5ft (0.8m) | 5s |
| Afternoon (17 May) | 2.5ft (0.8m) | 5s |
| Evening (17 May) | 3.5ft (1.1m) | 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 22mm), heaviest during Mon night. Very mild (max 13°C on Tue morning, min 8°C on Sun night). Winds increasing (calm on Sun night, strong winds from the SW by Tue afternoon). | ||||||||||||||||||||||||
Sunday 17 | Monday 18 | Tuesday 19 | ||||||||||||||||||||||
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 |    |    |    | |||||||||||||||||||||
W 4 | W 4 | W 5 | W 5 | WSW 5 | WSW 4 | WSW 5 | WSW 6 | WSW 6 | WSW 6 | WSW 6 | WSW 6 | WSW 6 | WSW 6 | WSW 6 | WSW 6 | WSW 6 | WSW 6 | SW 6 | SW 5 | SW 5 | WSW 7 | WSW 7 | WSW 7 | |
21 | 25 | 27 | 27 | 17 | 36 | 59 | 53 | 45 | 37 | 30 | 31 | 23 | 17 | 8 | 7 | 4 | 3 | 8 | 30 | 79 | 247 | 264 | 202 | |
Wind (km/h) | ||||||||||||||||||||||||
on | on | on | on | cross-on | cross-on | cross-on | cross-on | cross-on | glassy | glassy | on | cross-on | glassy | glassy | cross-off | cross-off | cross-off | cross-on | cross | 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 | |||||||||||||||||||
Low Tide | 3:40AM0.26m | 4:05PM0.24m | 4:30AM0.18m | 4:53PM0.34m | 5:22AM0.20m | 5:43PM0.49m | ||||||||||||||||||
 |  |  |  |  | |  | |  | | | | | | | | | | | | | | | | |
 | — | 5:16 | — | — | — | — | — | — | — | 5:16 | — | — | — | — | — | — | — | 5:13 | — | — | — | — | — | — |
 | — | — | — | — | — | — | 9:07 | — | — | — | — | — | — | — | 9:09 | — | — | — | — | — | — | — | 9:10 | — |
1 | — | — | 1 | — | 1 | 1 | 1 | 2 | 3 | 2 | 1 | — | — | — | — | 1 | 1 | 4 | 1 | 1 | — | — | — | |
Temp °C | 10 | 9 | 9 | 10 | 10 | 10 | 10 | 9 | 9 | 8 | 8 | 10 | 10 | 11 | 11 | 11 | 10 | 11 | 12 | 12 | 13 | 12 | 13 | 12 |
5 | 4 | 4 | 5 | 4 | 4 | 4 | 4 | 6 | 6 | 6 | 7 | 7 | 9 | 9 | 7 | 6 | 6 | 8 | 7 | 6 | 4 | 7 | 6 | |
Swell 1 Height (m) Direction Period (s) | — | — | — | — | NW 4 | — | — | — | W 11 | WSW 6 | WSW 6 | WNW 4 | WSW 6 | WSW 6 | WSW 6 | WSW 6 | WSW 6 | WSW 6 | SW 6 | — | — | — | — | — |
 kJ | — | — | — | — | 7 | — | — | — | 2 | 37 | 30 | 1 | 23 | 17 | 8 | 7 | 4 | 3 | 8 | — | — | — | — | — |
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 4 | W 5 | W 5 | WSW 5 | WSW 4 | WSW 5 | WSW 6 | WSW 6 | — | — | WSW 6 | WNW 4 | — | — | — | — | SE 3 | S 3 | SW 5 | SW 5 | WSW 7 | WSW 7 | WSW 7 |
| kJ | 21 | 25 | 27 | 27 | 17 | 36 | 59 | 53 | 45 | — | — | 31 | 1 | — | — | — | — | 3 | 5 | 30 | 79 | 247 | 264 | 202 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 301 | 301 | 301 | 268 | 115 | 303 | 303 | 301 | 301 | 301 | 303 | 35 | 33 | 35 | 105 | 237 | 331 | 331 | 321 | 345 | 357 | 376 | 372 | 303 |
Best forecast wave conditions in Mid Wales | ||||||||||||||||||||||||
Best forecast wave conditions in United Kingdom | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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