Dinas Dinlle surf break

Dinas Dinlle surfForecast / Wales – Lleyn / UK

information circle48hr Weather and Surf, issued 12 am Thursday 17 Jul 2025 BST
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
17.5° C
(Which is 2.6°C warmer than normal for this time of year)


How big are the waves at Dinas Dinlle today?

The current surf forecast for Dinas Dinlle at 3AM is: 0.4m 7s primary swell from a Southwest direction (forecast issued at 12:00am July 17). The wind direction is predicted to be glassy.

Time (BST) & DateWave HeightWave Period
Morning (17 Jul)1.5ft (0.4m)7s
Afternoon (17 Jul)1.5ft (0.4m)7s
Evening (17 Jul)2.5ft (0.8m)4s

Table - waves today at Dinas Dinlle. (Swell directed towards the surf break)

Updates in  hr  min  s Forecast update imminent
Thursday
17
Friday
18
Saturday
19
Sunday
20
Monday
21
Tuesday
22
Wednesday
23
Thursday
24
10PM1AM4AM7AM10AM1PM4PM7PM10PM1AM4AM7AM10AM1PM4PM7PM10PM1AM4AM7AM10AM1PM4PM7PM10PM1AM4AM7AM10AM1PM4PM7PM10PM1AM4AM7AM10AM1PM4PM7PM10PM1AM4AM7AM10AM1PM4PM7PM10PM1AM4AM7AM10AM1PM4PM7PM10PM1AM4AM7AM
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
0
0
0
0
0
0
0
0
0
0
0
0
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
Wave Height (m) & direction (?)
0.4
SW
0.4
SW
0.4
SW
0.4
SW
0.4
SW
0.4
SW
0.4
SW
0.7
SSW
0.9
SW
0.9
SW
0.8
SW
0.8
SW
0.7
SW
0.7
SW
0.7
SW
0.6
SW
0.5
SW
0.4
SW
0.6
WSW
0.4
SW
0.4
SW
0.2
WSW
0.2
WSW
0.2
WSW
0.1
SW
0.3
SW
0.4
SW
0.6
SW
0.6
SW
1
SW
0.6
SSW
0.4
SW
0.4
SW
0.6
SW
0.5
SW
0.4
SW
0.4
SW
0.6
SW
0.9
WSW
1.1
W
0.9
WSW
0.7
SW
0.7
NW
0.9
WNW
0.9
NW
0.5
SW
0.6
W
0.3
SW
0.3
SW
0.6
NW
0.8
NW
0.9
NW
0.9
NW
0.7
W
0.6
W
0.6
WSW
0.6
WSW
0.5
SW
0.5
SW
0.4
SW
Period(s) (?)777777745555689888855888856778588988854566555646644554444456
Wave
Graph
(?)Metric surfscale
Energy (?)171616182219252840664542396913245352581151399103614273314229413748362745303356785447545230281291531413817131213101512
Wind
(km/h)
0
SE
5
SE
5
SE
10
SSE
15
S
15
S
20
SSW
20
S
15
S
15
S
15
SSW
15
S
15
SSW
15
S
15
SSW
10
SSW
10
S
10
SE
5
S
5
SE
5
S
5
SW
5
NW
10
NNE
5
SSE
5
ENE
5
E
5
SSE
10
S
10
SW
10
WSW
5
W
5
NNW
0
NNW
5
NW
5
W
20
WNW
20
WNW
20
WNW
15
WSW
15
W
15
WNW
10
WNW
10
W
15
WSW
15
W
20
W
15
WNW
10
W
15
W
15
W
10
W
15
W
15
W
10
W
10
WSW
10
SSW
5
SSW
0
SSW
5
NNW
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
glassglassglasscross-
off
crosscrosscrosscrosscrosscrosscross-
on
crosscrosscrosscrosscrosscrosscross-
off
crosscross-
off
glasscross-
on
glasscross-
off
cross-
off
glassglassglasscrosscross-
on
onglassglassglassglassoncross-
on
cross-
on
onononononononononononononononononcross-
on
cross-
on
cross-
on
glassglass
High Tide
/ height (m)
1:25AM
3.61
1:57PM
3.09
2:19AM
3.43
2:56PM
2.99
3:22AM
3.24
4:05PM
2.93
4:36AM
3.11
5:18PM
2.97
5:51AM
3.10
6:27PM
3.11
7:00AM
3.17
7:28PM
3.33
7:59AM
3.29
8:22PM
3.55
Low Tide
/ height (m)
8:06PM
0.65
8:46AM
0.46
8:55PM
0.80
9:38AM
0.62
9:55PM
0.94
10:41AM
0.78
11:09PM
1.01
11:56AM
0.87
12:32AM
0.94
1:12PM
0.83
1:47AM
0.73
2:18PM
0.69
2:49AM
0.47
3:12PM
0.51
3:42AM
0.22
Thursday
17
Friday
18
Saturday
19
Sunday
20
Monday
21
Tuesday
22
Wednesday
23
Thursday
24
Sunrise---5:11-------5:11-------5:13-------5:15-------5:16-------5:18-------5:18-------5:20
Sunset-------9:34-------9:32-------9:31-------9:30-------9:29-------9:28-------9:25----
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Rain (mm)
---------1--------------1--14-------11----------------------
Temp. °C161616161617181817161615161718181615141417191919161515151516171715141414141416161615141414151716161514131415161615151414
Feels °C (?)171616151516171716151514141416171614131317191919161515161414161715141414111113141413131312131414141211111213151514141414
  • 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

Eyeball surf reportRecent Eyeball Surf Reports for Wales - Lleyn

  1. weather stationWind Update Continuing clean conditions at Dinas Dinlle (light winds from the N at Caernarfon Airport 1 km from Dinas Dinlle). 0.4m 7s swell from the SW with a 0.1m 3s local chop from the WNW. Swells combining to make to make bigger set waves.

    Dinas Dinlle
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