Llanddwyn Island surfForecast / Wales – Anglesy / UK

information circle48hr Weather and Surf, issued 5 am Friday 09 Jan 2026 GMT
Forecast update in hr  min  s Forecast update imminent
Llanddwyn Island surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Llanddwyn Island sea temperature is
8.1° C
(Which is slightly cooler than normal)


How big are the waves at Llanddwyn Island today?

The current surf forecast for Llanddwyn Island at 12PM is: 0.6m 11s primary swell from a West-southwest direction (forecast issued at 05:00am January 09). An open ocean swell of 0.9m 5s is not directed at the surf break. The wind direction is predicted to be cross-offshore.

Time (GMT) & DateWave HeightWave Period
Morning (09 Jan)2.5ft (0.7m)11s
Afternoon (09 Jan)2ft (0.6m)11s
Evening (09 Jan)2ft (0.6m)11s

Table - waves today at Llanddwyn Island. (Swell directed towards the surf break)

Updates in  hr  min  s Forecast update imminent
Friday
09
Saturday
10
Sunday
11
Mon
12
3AM6AM9AM12PM3PM6PM9PM0AM3AM6AM9AM12PM3PM6PM9PM0AM3AM6AM9AM12PM3PM6PM9PM0AM
Rating
(10 max)
0
0
0
0
0
0
1
1
1
1
1
0
0
0
0
0
0
0
0
0
0
0
0
0
Swell
Height Map
Wave Height (m) & direction (?)
0.9
SW
0.9
SW
0.7
SW
0.6
WSW
0.6
WSW
0.6
WSW
0.6
WSW
0.6
WSW
0.6
WSW
0.4
SW
0.5
SW
0.5
SW
0.5
SW
0.5
SW
0.4
SW
1.1
S
1.6
S
2
S
2.3
SSW
2.5
SSW
2.3
SSW
2.5
SSW
3
SW
3
SW
Period(s) (?)1111111111111112121298999566788899
Wave
Graph
(?)Metric surfscale
Energy kJ (?)1791691197676798190943937313640215215734555885072292513311291
Wind
(km/h)
30
NNW
25
N
25
NNW
25
NNW
30
NNW
20
NNW
10
N
5
NE
5
ENE
5
NE
5
ESE
10
SSE
15
SSE
20
SSE
25
SSE
35
SSE
45
SSE
50
SSE
50
SSE
50
S
45
SSE
55
S
45
SSW
50
SSW
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
offoffoffcross-
off
crosscross-
on
cross-
on
cross-
on
cross-
on
cross-
on
cross-
on
cross-
on
cross-
on
cross-
on
cross-
on
oncross-
on
High Tide
/ height (m)
1:21PM
3.78
1:58AM
3.18
2:14PM
3.47
2:56AM
3.02
3:15PM
3.20
Low Tide
/ height (m)
7:38AM
0.79
8:16PM
0.66
8:25AM
1.06
9:06PM
0.97
9:19AM
1.30
10:04PM
1.22
Friday
09
Saturday
10
Sunday
11
Mon
12
Sunrise--8:27-------8:27-------8:26-----
Sunset----4:20-------4:22-------4:22---
cloud
cloud
light rain
light rain
light rain
light rain
rain showers
clear
clear
clear
cloud
cloud
cloud
part cloud
cloud
cloud
light rain
cloud
light rain
light rain
light rain
mod rain
rain showers
light rain
Rain (mm)
--12121---------1-112621
Temp. °C555566554445544556889121110
Feels °C (?)-2-2-2-2-101211111-1-3-4-5-5-3-30220
  • 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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