Jeffs Left surfForecast / Wales – Mid / UK

information circle48hr Weather and Surf, issued 12 pm Monday 18 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 1.3°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 8PM is: 0.4m 6s primary swell from a West-southwest direction and 0.5m 3s secondary swell from a Southwest direction (forecast issued at 12:00pm May 18). The wind direction is predicted to be cross-shore.

Time (BST) & DateWave HeightWave Period
Morning (18 May)2.5ft (0.7m)7s
Afternoon (18 May)2ft (0.6m)7s
Evening (18 May)1.5ft (0.5m)6s

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 14°C on Wed night, min 10°C on Mon morning). Winds increasing (light winds from the SW on Mon morning, strong winds from the SW by Tue night).

Mon
18
Tuesday
19
Wednesday
20
Thu
21
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
4 AM
7 AM
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
Height MapHeight MapHeight Map
Wave
Height (m)
Direction
Period (s)
0.7
WSW
7
0.5
WSW
7
0.6
WSW
7
0.4
SW
7
0.6
WSW
6
0.6
WSW
6
0.6
WSW
7
0.9
SW
7
1
SW
8
1.1
SW
8
1.4
SW
5
1.6
SW
6
1.7
WSW
6
1.7
WSW
8
1.7
WSW
9
1.6
WSW
6
1.4
WSW
6
1.5
WSW
6
1.4
WSW
6
1.3
WSW
6
0.9
WSW
6
0.8
WSW
5
0.7
WSW
9
0.8
WSW
6
Wave Graph
Metric surfscale
Energy kJ
48
26
29
11
26
24
29
89
110
135
98
188
222
403
416
160
122
129
126
119
57
32
67
45
Wind (km/h)
15
WSW
15
SW
20
SSW
20
S
25
SSE
35
SSE
30
SSE
30
SSW
30
SSW
30
SW
35
SW
40
SW
40
SW
40
SW
35
SW
35
WSW
35
SW
35
SW
30
SW
25
SW
20
S
20
S
25
S
20
S
cross-on
cross-on
cross-on
cross
cross-off
cross-off
cross-off
cross-on
cross
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross
cross
cross
cross-off
High Tide
9:45AM4.60m
10:06PM4.65m
10:32AM4.43m
10:53PM4.53m
11:20AM4.14m
11:42PM4.32m
Low Tide
4:53PM0.34m
5:22AM0.20m
5:43PM0.49m
6:17AM0.31m
6:35PM0.69m
light rain
cloud
rain showers
light rain
light rain
light rain
light rain
light rain
light rain
rain showers
light rain
light rain
light rain
light rain
rain showers
rain showers
rain showers
part cloud
part cloud
part cloud
part cloud
cloud
cloud
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:16
5:13
5:13
5:11
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
9:09
9:10
9:13
9:14
1
1
1
2
2
3
1
2
2
1
1
1
1
1
1
1
Temp °C
10
11
11
11
11
11
12
12
13
13
13
12
12
12
12
12
12
12
13
13
13
12
13
14
6
7
7
6
6
4
7
6
8
7
6
4
4
4
5
6
6
6
8
8
10
9
9
11
Swell 1
Height (m)
Direction
Period (s)
0.7
WSW
7
0.5
WSW
7
0.2
WNW
4
0.4
SW
7
0.6
WSW
6
0.6
WSW
6
0.6
WSW
7
0.4
WSW
9
0.8
WSW
5
0.7
WSW
9
0.8
WSW
6
Energy kJ
48
26
1
11
26
24
29
30
32
67
45
Swell 2
Height (m)
Direction
Period (s)
0.3
NW
4
0.3
WSW
12
0.2
WSW
11
0.2
WSW
11
Energy kJ
2
26
13
13
Swell 3
Height (m)
Direction
Period (s)
Energy kJ
Wind waves
Height (m)
Direction
Period (s)
0.6
WSW
7
0.5
SW
3
0.4
SSE
3
0.6
SSE
3
0.7
S
4
0.9
SW
7
1
SW
8
1.1
SW
8
1.4
SW
5
1.6
SW
6
1.7
WSW
6
1.7
WSW
8
1.7
WSW
9
1.6
WSW
6
1.4
WSW
6
1.5
WSW
6
1.4
WSW
6
1.3
WSW
6
0.9
WSW
6
0.4
S
3
0.4
S
3
0.4
S
3
Energy kJ
29
5
3
7
13
89
110
135
98
188
222
403
416
160
122
129
126
119
57
3
3
3
Nearest Offshore or Glassy
Rating
(10 max)
2
2
1
1
1
1
1
1
1
1
1
1
1
1
1
2
4
1
3
4
1
1
1
1
Distance (km)
252
328
331
331
331
321
345
331
371
357
357
303
303
304
325
331
372
520
350
237
14
35
181
155
Best forecast wave conditions in Mid Wales
Rating
(10 max)
1
1
Best forecast wave conditions in United Kingdom
Rating
(10 max)
3
3
2
2
2
2
2
2
1
1
2
2
3
2
1
2
2
2
4
3
3
3
3
Header Global
Rating
(10 max)
4
4
4
5
4
4
4
4
4
4
4
4
4
4
5
5
4
4
4
5
5
5
4
5
  • 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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