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Surf Forecasts:

Jeffs Left surfForecast / Wales – Mid / UK

information circle12 Day Weather and Surf, issued 11 pm Tuesday 17 Feb 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
7.4° C
 (Which is slightly cooler than normal)

Best Forecast Surf Conditions for Jeffs Left this week:

The most powerful waves expected at Jeffs Left in the next 12 days are 2.4m 9s and forecast to arrive on Friday (Feb 20) at 9PM. Winds are predicted to be cross-onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.3m 4s period and expected on Wednesday (Feb 18) at 9AM.

Wave TypeTime (GMT) & Date Wave Height & Period
Next good surf (1 star+)--
Best Surf--
Most Powerful 9PM (Fri 20th Feb)8ft (2.4m) 9s

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 Moderate rain (total 14mm), heaviest on Wed night. Very mild (max 10°C on Fri morning, min 2°C on Wed night). Winds decreasing (strong winds from the ESE on Wed morning, light winds from the NW by Thu morning).

Days 3-6 Weather Summary Heavy rain (total 38mm), heaviest during Sun morning. Very mild (max 12°C on Mon afternoon, min 9°C on Fri night). Winds increasing (light winds from the SW on Sun afternoon, strong winds from the SSW by Mon afternoon).

Wednesday
18
Thursday
19
Friday
20
Saturday
21
Sunday
22
Monday
23
Tue
24
NightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPM
Rating
(10 max)
0
0
0
0
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
Swell
Height Map
See all maps
Wave Height (m) & direction (?)
0.4
WSW
0.3
WSW
0.4
WSW
0.6
WSW
0.9
WSW
0.8
WSW
1.2
W
2.1
WSW
1.6
WSW
2.2
WSW
1.6
WSW
1.8
WSW
1.7
WSW
0.9
WSW
0.8
WSW
1.4
WSW
1
WSW
1.4
SW
1.6
SW
1.6
SW
1.6
SW
Period(s) (?)1111101214135889677896668913
Wave
Graph
(?)Metric surfscale
Energy kJ (?)492342111304189774813516732102903271199213775144330423772
Wind
(km/h)
35
ESE
45
ESE
45
ESE
25
NE
10
NW
25
WNW
25
W
40
SW
45
SW
35
SW
30
SW
35
SW
35
SW
20
SSW
20
SW
35
WSW
35
SW
45
SSW
40
S
40
SSW
25
S
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
offcross-
off		cross-
off		cross-
off		cross-
on		cross-
on		oncross-
on		cross-
on		cross-
on		cross-
on		cross-
on		cross-
on		cross-
on		cross-
on		cross-
on		cross-
on		crosscrosscrosscross
High Tide
/ height (m)
8:35AM
4.50
8:54PM
4.19
9:10AM
4.67
9:29PM
4.30
9:46AM
4.72
10:06PM
4.31
10:25AM
4.63
10:46PM
4.21
11:06AM
4.41
11:28PM
4.00
11:51AM
4.07
12:16AM
3.70
12:45PM
3.65
Low Tide
/ height (m)
3:19AM
0.32
3:47PM
0.12
3:52AM
0.25
4:21PM
0.08
4:24AM
0.27
4:54PM
0.16
4:56AM
0.37
5:27PM
0.33
5:28AM
0.54
6:01PM
0.59
6:02AM
0.77
6:40PM
0.91
6:48AM
1.04
Wednesday
18
Thursday
19
Friday
20
Saturday
21
Sunday
22
Monday
23
Tue
24
Sunrise-7:26--7:24--7:22--7:20--7:18--7:16--7:15-
Sunset--5:32--5:35--5:37--5:38--5:40--5:43--5:45
cloud
cloud
cloud
mod rain
cloud
part cloud
rain showers
light rain
light rain
cloud
light rain
light rain
mod rain
heavy rain
light rain
rain showers
cloud
mod rain
part cloud
light rain
mod rain
Rain (mm)
---10--211-1261552-7-19
Temp. °C345347910101010101010991012111111
Feels °C (?)-6-7-5-6-10021233365143243
  • 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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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:
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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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