Dinas Dinlle surf break

Dinas Dinlle surfForecast / Wales – Lleyn / UK

information circle12 Day Weather and Surf, issued 11 am Thursday 08 Jan 2026 GMT
Forecast update in hr  min  s Forecast update imminent
Dinas Dinlle surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Dinas Dinlle sea temperature is
7.8° C
(Which is 1.0°C colder than average for this time of year)


Best Forecast Surf Conditions for Dinas Dinlle this week:

The surf forecast for Dinas Dinlle over the next 12 days: The first swell (rated 1 star or higher) is forecast to arrive on Saturday (Jan 10) at 12AM. The primary swell is predicted to be 0.7m and 12s period with a secondary swell of 0.9m and 5s. The wind is predicted to be cross-offshore as the swell arrives.

The most powerful waves expected at Dinas Dinlle in the next 12 days are 2.1m 10s and forecast to arrive on Tuesday (Jan 13) at 9PM. Winds are predicted to be onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.7m 5s period and expected on Sunday (Jan 11) at 6PM.

Wave TypeTime (GMT) & Date Wave Height & Period
Next good surf (1 star+)12AM (Sat 10th Jan)2.5ft (0.7m) 12s
Best Surf12AM (Sat 10th Jan)2.5ft (0.7m) 12s
Most Powerful 9PM (Tue 13th Jan)7ft (2.1m) 10s

Table - best surf conditions forecast for Dinas Dinlle over the next 12 days.

Updates in  hr  min  s Forecast update imminent

Short Range Forecast Heavy rain (total 27mm), heaviest during Thu night. Mild temperatures (max 6°C on Thu morning, min 2°C on Sat night). Winds decreasing (fresh winds from the NNE on Thu night, calm by Sat afternoon).

Days 3-6 Weather Summary Heavy rain (total 23mm), heaviest during Mon night. Very mild (max 11°C on Tue morning, min 3°C on Sun morning). Winds decreasing (fresh winds from the SSE on Sun afternoon, light winds from the SSE by Mon night).

Thursday
08
Friday
09
Saturday
10
Sunday
11
Monday
12
Tuesday
13
Wednesday
14
AMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNight
Rating
(10 max)
1
0
0
0
0
1
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
Swell
Height Map
Wave Height (m) & direction (?)
0.7
SW
0.5
SW
0.4
SW
1.1
NW
0.6
WSW
0.7
WSW
0.5
SW
0.5
SW
0.4
SW
1.2
SSW
1.3
SW
2.2
SSW
1.6
SW
1.6
SW
1.3
SW
0.7
SW
2.4
SSW
1.6
SW
1.2
SW
1.2
WSW
1.5
SW
Period(s) (?)671161112999579912111171011106
Wave
Graph
(?)Metric surfscale
Energy kJ (?)312142799412943372887167802388699422121562562326292161
Wind
(km/h)
5
ENE
15
ENE
35
N
25
NNW
25
NNW
15
NNE
10
NNE
5
SE
15
SSE
25
SSE
35
SSE
30
SSW
25
S
35
SSW
30
S
35
SSW
15
WNW
30
WSW
25
SW
40
SSW
40
SSW
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
glasscross-
off
crosscrosscross-
on
cross-
off
cross-
off
glasscross-
off
cross-
off
cross-
off
crosscrosscross-
on
crosscrossononcross-
on
cross-
on
cross
High Tide
/ height (m)
11:49AM
3.71
12:18AM
3.04
12:36PM
3.44
1:08AM
2.84
1:28PM
3.14
2:05AM
2.68
2:28PM
2.87
3:13AM
2.59
3:40PM
2.70
4:26AM
2.60
4:53PM
2.66
5:30AM
2.70
5:56PM
2.73
Low Tide
/ height (m)
7:04PM
0.35
7:07AM
0.72
7:48PM
0.63
7:51AM
0.96
8:34PM
0.90
8:42AM
1.18
9:27PM
1.13
9:47AM
1.34
10:35PM
1.27
11:12AM
1.37
11:52PM
1.27
12:29PM
1.26
12:55AM
1.17
Thursday
08
Friday
09
Saturday
10
Sunday
11
Monday
12
Tuesday
13
Wednesday
14
Sunrise8:27--8:27--8:26--8:26--8:26--8:25--8:23--
Sunset-4:19--4:20--4:21--4:22--4:23--4:25--4:28-
cloud
light rain
heavy rain
light rain
light rain
rain showers
clear
clear
part cloud
cloud
light rain
light rain
light rain
light rain
light rain
light rain
light rain
part cloud
part cloud
light rain
mod rain
Rain (mm)
-217233----3332552--18
Temp. °C654565453571010101011779910
Feels °C (?)41-3-2-1013-3-4-13434410214
  • 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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Information about the Dinas Dinlle Surf forecast

The above surf forecast table for Dinas Dinlle provides essential information for determining whether the surfing conditions will be good over the next 12 days. A general guide to surfing at Dinas Dinlle can be found by selecting the local surf guide option on the grey menu. Our Dinas Dinlle 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 (Dinas Dinlle) 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 Dinas Dinlle 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 Lleyn Peninsula? If you are looking for accommodation near Dinas Dinlle, camping, hotels and holiday cottages in Lleyn Peninsula, consider staying in Anglesey which is 22 km (14 miles) away. Other places in and around Lleyn Peninsula where you can find information about places to rent, and car hire include Porthmadog which is 24 km (15 miles) away, Bangor, Holyhead and Llandudno.

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