Jeffs Left surfForecast / Wales – Mid / UK

information circle48hr Weather and Surf, issued 12 am Sunday 17 May 2026 BST
Forecast 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) & DateWave HeightWave 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 Forecast

Heavy 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
Rating
(10 max)
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
Swell
Height Map
Height MapHeight MapHeight Map
Height MapHeight MapHeight Map
Height MapHeight MapHeight Map
Wave
Height (m)
Direction
Period (s)
0.8
W
4
0.8
W
4
0.8
W
5
0.8
W
5
0.6
WSW
5
0.9
WSW
4
1.1
WSW
5
0.9
WSW
6
0.9
WSW
6
0.7
WSW
6
0.6
WSW
6
0.6
WSW
6
0.5
WSW
6
0.4
WSW
6
0.3
WSW
6
0.3
WSW
6
0.2
WSW
6
0.2
WSW
6
0.4
SW
6
0.8
SW
5
1.2
SW
5
1.7
WSW
7
1.6
WSW
7
1.4
WSW
7
Wave Graph
Metric surfscale
Energy kJ
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)
25
WNW
20
WNW
20
W
20
WSW
25
WSW
30
WSW
25
SW
20
WSW
10
SW
5
SW
5
WNW
10
WSW
10
WSW
5
SW
5
S
15
SSE
20
SE
25
SE
25
SSW
25
SSW
35
SW
40
SW
35
SW
35
SW
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
rain showers
cloud
cloud
light rain
part cloud
light rain
rain showers
rain showers
light rain
light rain
rain showers
rain showers
cloud
part cloud
cloud
cloud
light rain
light rain
light rain
light rain
rain showers
part cloud
part cloud
cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:16
5:16
5:13
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
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)
0.4
NW
4
0.1
W
11
0.7
WSW
6
0.6
WSW
6
0.2
WNW
4
0.5
WSW
6
0.4
WSW
6
0.3
WSW
6
0.3
WSW
6
0.2
WSW
6
0.2
WSW
6
0.4
SW
6
Energy kJ
7
2
37
30
1
23
17
8
7
4
3
8
Swell 2
Height (m)
Direction
Period (s)
0.1
W
11
0.1
W
11
Energy kJ
2
3
Swell 3
Height (m)
Direction
Period (s)
Energy kJ
Wind waves
Height (m)
Direction
Period (s)
0.8
W
4
0.8
W
4
0.8
W
5
0.8
W
5
0.6
WSW
5
0.9
WSW
4
1.1
WSW
5
0.9
WSW
6
0.9
WSW
6
0.6
WSW
6
0.2
WNW
4
0.4
SE
3
0.5
S
3
0.8
SW
5
1.2
SW
5
1.7
WSW
7
1.6
WSW
7
1.4
WSW
7
Energy kJ
21
25
27
27
17
36
59
53
45
31
1
3
5
30
79
247
264
202
Nearest Offshore or Glassy
Rating
(10 max)
2
1
1
1
1
1
1
1
1
1
1
1
1
1
1
2
1
1
1
1
1
1
1
1
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
Rating
(10 max)
Best forecast wave conditions in United Kingdom
Rating
(10 max)
2
2
3
3
3
3
4
4
4
4
4
3
3
3
3
2
2
2
2
2
2
1
2
Header Global
Rating
(10 max)
6
5
4
4
4
6
9
9
7
4
4
5
7
5
4
5
4
4
4
4
5
5
5
4
  • Map Icons:
  • Break
  • Live Wave Height (m)
  • Live Wind Speed (km/h)
  • Surf Rating (10 Max)
  • Ocean Swells (m)
  • Wind Speed (km/h)
Map placeholder

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