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Surf Forecasts:

Jeffs Left surfForecast / Wales – Mid / UK

information circle12 Day Weather and Surf, issued 11 am Friday 16 Jan 2026 GMT
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
7.1° C
 (Which is 1.7°C colder than average for this time of year)

Best Forecast Surf Conditions for Jeffs Left this week:

The surf forecast for Jeffs Left over the next 12 days: The first swell (rated 1 star or higher) is forecast to arrive on Saturday (Jan 17) at 3AM. The primary swell is predicted to be 0.4m and 15s period with a secondary swell of 0.7m and 9s. The wind is predicted to be offshore as the swell arrives.

The most powerful waves expected at Jeffs Left in the next 12 days are 0.5m 14s and forecast to arrive on Friday (Jan 23) at 12AM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.6m 3s period and expected on Friday (Jan 16) at 3PM.

Wave TypeTime (GMT) & Date Wave Height & Period
Next good surf (1 star+) 3AM (Sat 17th Jan)2.5ft (0.7m) 9s
Best Surf 3AM (Sat 17th Jan)2.5ft (0.7m) 9s
Most Powerful12AM (Fri 23rd Jan)1.5ft (0.5m) 14s

Table - best surf conditions forecast for Jeffs Left over the next 12 days.

Updates in  hr  min  s Forecast update imminent 
12 DaysHourly
Print Table

Short Range Forecast Light rain (total 2mm), mostly falling on Sun afternoon. Mild temperatures (max 8°C on Fri morning, min 6°C on Fri morning). Winds decreasing (fresh winds from the SSE on Fri afternoon, calm by Sun night).

Days 3-6 Weather Summary Light rain (total 8mm), mostly falling on Mon afternoon. Very mild (max 10°C on Tue afternoon, min 4°C on Wed night). Wind will be generally light.

Friday
16
Saturday
17
Sunday
18
Monday
19
Tuesday
20
Wednesday
21
Thursday
22
AMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNight
Rating
(10 max)
0
0
0
1
0
0
0
0
0
0
0
0
0
0
1
0
0
0
0
0
0
Swell
Height Map
See all maps
Wave Height (m) & direction (?)
0.2
WSW
0.7
SW
0.7
WSW
0.5
WSW
0.4
WSW
0.4
SW
0.3
WSW
0.2
WSW
0.2
WSW
0.2
WSW
0.2
WSW
0.3
WSW
0.2
W
0.2
W
0.4
WSW
0.4
WSW
0.4
WSW
0.4
SW
0.4
SW
0.3
WSW
0.5
WSW
Period(s) (?)168999878989111618101010981614
Wave
Graph
(?)Metric surfscale
Energy kJ (?)256576473018116778252025373936211851118
Wind
(km/h)
20
SSE
30
SSE
20
ESE
15
E
15
ESE
15
E
10
E
10
ESE
5
ESE
10
E
20
SE
15
ESE
15
SE
10
ESE
15
E
20
E
20
E
20
E
20
E
20
ESE
20
SSE
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
off		cross-
off		cross-
off		offoffoffoffoffcross-
off		offcross-
off		cross-
off		cross-
off		cross-
off		offoffoffoffoffcross-
off		cross-
off
High Tide
/ height (m)
6:54PM
3.39
7:13AM
3.65
7:31PM
3.57
7:49AM
3.89
8:06PM
3.73
8:23AM
4.11
8:40PM
3.86
8:57AM
4.28
9:15PM
3.94
9:32AM
4.39
9:50PM
3.98
10:08AM
4.42
10:28PM
3.96
Low Tide
/ height (m)
1:43PM
1.04
1:56AM
0.97
2:23PM
0.82
2:34AM
0.77
3:00PM
0.62
3:09AM
0.61
3:37PM
0.47
3:43AM
0.51
4:13PM
0.39
4:17AM
0.48
4:48PM
0.36
4:50AM
0.51
5:23PM
0.41
Friday
16
Saturday
17
Sunday
18
Monday
19
Tuesday
20
Wednesday
21
Thursday
22
Sunrise8:18--8:18--8:17--8:15--8:15--8:14--8:12--
Sunset-4:31--4:34--4:36--4:37--4:38--4:40--4:43-
clear
cloud
part cloud
part cloud
clear
part cloud
cloud
light rain
cloud
light rain
light rain
rain showers
part cloud
cloud
part cloud
clear
clear
part cloud
clear
clear
rain showers
Rain (mm)
-------2-233--------1
Temp. °C8878877789999108774788
Feels °C (?)11244345665567422-2232
  • Map Icons:
  • Break
  • Live Wave Height (m)
  • Live Wind Speed (km/h)
  • Surf Rating (10 Max)
  • Ocean Swells (m)
  • Wind Speed (km/h)
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FREE! Surf-Forecast.com widget for your website

The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our Jeffs Left surf forecast. Simply grab the html code snippet that we provide and paste it into your own site. You can choose your preferred language and metric/imperial units for the surf forecast feed to suit users of your site. Click here to get the code.

View detailed surf forecast for Jeffs Left at:
surf-forecast.com

Information about the Jeffs Left Surf forecast

The above surf forecast table for Jeffs Left provides essential information for determining whether the surfing conditions will be good over the next 12 days. A general guide to surfing at Jeffs Left can be found by selecting the local surf guide option on the grey menu. Our Jeffs Left surf forecast is unique since it includes wave energy (power) that defines the real feel of the surf rather than just the height or the period. If you surf the same spot (Jeffs Left) regularly then make a mental note of the wave energy from the surf forecast table each time you go. Very soon you may start to choose your surf days based on the wave energy alone combined with our forecast of favourable offshore wind conditions. Our star ratings will help here and of course you will also find the usual wave height and period predictions on our surf forecasts as well as a full break down of the swell components under our advanced users option (to reveal that, click the little Einstein character under the tide times).

Further information to help with frequently asked questions about our surf forecast for Jeffs Left may be found under the help tab on the top menu and also by moving your mouse over the question marks on the surf forecast table itself. Please always bear in mind that the forecast is for near-shore open water and local factors at each surf break influence the actual breaking wave height, such as the beach / reef profile, water depths offshore and shelter.

Are you planning a holiday in Mid Wales? If you are looking for accommodation near Jeffs Left, camping, hotels and holiday cottages in Mid Wales, consider staying in Aberystwyth which is 21 km (13 miles) away. Other places in and around Mid Wales where you can find information about places to rent, and car hire include Trawscoed which is 31 km (19 miles) away, Porthmadog, Aberporth and Welshpool.

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