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Jeffs Left surfForecast / Wales – Mid / UK
48hr Weather and Surf, issued 6 pm 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 12AM is: 1.0m 6s primary swell from a West-southwest direction (forecast issued at 06:00pm May 17). The wind direction is predicted to be onshore.
| Time (BST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (18 May) | 2.5ft (0.8m) | 7s |
| Afternoon (18 May) | 1.5ft (0.5m) | 7s |
| Evening (18 May) | 1ft (0.3m) | 6s |
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 31mm), heaviest during Mon night. Very mild (max 13°C on Mon night, min 9°C on Sun night). Winds increasing (light winds from the SW on Mon morning, strong winds from the SW by Tue afternoon). | ||||||||||||||||||||||||
Sun 17 | Monday 18 | Tuesday 19 | Wed 20 | |||||||||||||||||||||
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 | 4 AM | 7 AM | 10 AM | 1 PM | |
Swell Height Map |    |    |    |    | ||||||||||||||||||||
WSW 4 | WSW 5 | WSW 5 | WSW 6 | WSW 6 | WSW 7 | W 7 | WSW 7 | WSW 7 | WSW 7 | WSW 6 | WSW 6 | WSW 7 | SW 7 | SW 8 | SW 5 | WSW 6 | WSW 7 | WSW 8 | WSW 8 | WSW 9 | WSW 6 | WSW 6 | WSW 5 | |
28 | 61 | 62 | 67 | 64 | 60 | 45 | 26 | 26 | 17 | 8 | 22 | 29 | 77 | 67 | 70 | 159 | 277 | 412 | 464 | 463 | 187 | 122 | 109 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-on | cross-on | cross-on | on | on | on | cross-on | cross-on | cross-on | cross | cross-off | cross-off | cross-off | cross | cross | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | |
High Tide | 9:21PM4.63m | 9:45AM4.60m | 10:06PM4.65m | 10:32AM4.43m | 10:53PM4.53m | 11:20AM4.14m | ||||||||||||||||||
Low Tide | 4:05PM0.24m | 4:30AM0.18m | 4:53PM0.34m | 5:22AM0.20m | 5:43PM0.49m | 6:17AM0.31m | ||||||||||||||||||
 | |  | |  |  | |  |  | | | | |  | | | | | | | | | | | |
 | — | — | — | — | 5:16 | — | — | — | — | — | — | — | 5:13 | — | — | — | — | — | — | — | 5:13 | — | — | — |
 | — | 9:07 | — | — | — | — | — | — | — | 9:09 | — | — | — | — | — | — | — | 9:10 | — | — | — | — | — | 9:13 |
1 | 1 | 2 | 2 | 2 | — | 1 | — | — | 1 | 2 | 3 | 3 | 3 | 1 | 2 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | — | |
Temp °C | 10 | 10 | 9 | 9 | 9 | 9 | 10 | 11 | 11 | 12 | 10 | 11 | 12 | 13 | 13 | 12 | 13 | 12 | 12 | 12 | 12 | 12 | 12 | 13 |
4 | 3 | 4 | 5 | 4 | 5 | 7 | 8 | 7 | 8 | 5 | 5 | 6 | 8 | 8 | 5 | 6 | 4 | 4 | 6 | 5 | 6 | 6 | 7 | |
Swell 1 Height (m) Direction Period (s) | NW 4 | — | — | — | W 11 | WSW 7 | W 7 | WSW 7 | WSW 7 | WSW 7 | SW 4 | WSW 6 | WSW 7 | — | — | — | — | — | — | — | — | — | — | — |
 kJ | 3 | — | — | — | 3 | 60 | 45 | 26 | 26 | 17 | 3 | 22 | 29 | — | — | — | — | — | — | — | — | — | — | — |
Swell 2 Height (m) Direction Period (s) | — | — | — | — | — | W 11 | — | NW 4 | — | — | WSW 6 | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | 3 | — | 2 | — | — | 8 | — | — | — | — | — | — | — | — | — | — | — | — | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | WSW 4 | WSW 5 | WSW 5 | WSW 6 | WSW 6 | — | — | — | — | — | SSE 3 | SSE 3 | SSE 4 | SW 7 | SW 8 | SW 5 | WSW 6 | WSW 7 | WSW 8 | WSW 8 | WSW 9 | WSW 6 | WSW 6 | WSW 5 |
| kJ | 28 | 61 | 62 | 67 | 64 | — | — | — | — | — | 2 | 5 | 10 | 77 | 67 | 70 | 159 | 277 | 412 | 464 | 463 | 187 | 122 | 109 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 301 | 301 | 301 | 303 | 35 | 35 | 35 | 35 | 219 | 331 | 321 | 361 | 345 | 181 | 331 | 345 | 304 | 303 | 303 | 325 | 333 | 333 | 396 | 396 |
Best forecast wave conditions in Mid Wales | ||||||||||||||||||||||||
Best forecast wave conditions in United Kingdom | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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