Surf Break

Lat Long: 52.83° N 4.13° W

Llandanwg 48 hour detailed Surf Forecast

Issued: 12 pm 28 Sep 2026 (local time)

Forecast update in  hr  min

Today's Llandanwg sea temperature is
16.5°C
1.6° 

Llandanwg surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.


How big are the waves at Llandanwg today (28 Sep):

  • Morning surf: Morning surf (28 Sep, local time) - 1.5ft (0.4m), 7s period with SW swell.
  • Afternoon surf: Afternoon surf (28 Sep, local time) - 1.5ft (0.4m), 7s period with SW swell.
  • Evening surf: Evening surf (28 Sep, local time) - 1.5ft (0.4m), 7s period with SW swell.

The current surf forecast for Llandanwg at 6PM is: 0.4m 7s primary swell from a Southwest direction (forecast issued at 12:00pm September 28). The wind direction is predicted to be glassy.

Time (BST) & DateWave HeightWave Period
Morning (28 Sep)1.5ft (0.4m)7s
Afternoon (28 Sep)1.5ft (0.4m)7s
Evening (28 Sep)1.5ft (0.4m)7s

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


Short Range Forecast

Heavy rain (total 27mm), heaviest during Tue night. Warm (max 21°C on Tue afternoon, min 11°C on Mon night). Winds increasing (calm on Mon afternoon, strong winds from the S by Wed morning).

Mon
28
Tuesday
29
Wednesday
30
10 AM
1 PM
4 PM
7 PM
10 PM
1 AM
4 AM
7 AM
10 AM
1 PM
4 PM
7 PM
10 PM
1 AM
4 AM
7 AM
10 AM
1 PM
4 PM
7 PM
10 PM
Rating
(10 max)
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
0.4
SW
7
0.4
WSW
7
0.4
SW
7
0.4
SW
7
0.3
SW
7
0.2
WSW
7
0.2
WSW
7
0.2
WSW
6
0.1
SW
6
0.8
SE
4
0.8
SSE
4
0.9
SSE
4
1.1
SSE
4
1.1
S
4
1.6
SW
10
1.3
SW
10
0.9
SW
11
1.5
SW
11
1.6
SW
11
1.4
SW
11
1.1
SW
11
Wave Graph
Metric surfscale
Energy kJ
14
21
14
13
7
4
4
4
1
16
20
30
45
43
488
391
172
515
548
453
268
Wind (km/h)
5
S
10
S
0
W
10
ENE
15
ESE
20
ESE
15
E
20
E
25
E
25
ESE
30
SE
35
SE
30
SSE
35
SSE
30
S
15
SSE
35
S
40
S
35
SSW
25
SSW
15
SSE
Wind State
cross-on
cross-on
glassy
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross
cross
cross
cross
cross-on
cross
cross-on
cross-on
on
cross-on
cross-on
High Tide
9:40AM4.51m
9:57PM4.76m
10:17AM4.55m
10:36PM4.67m
10:56AM4.46m
Low Tide
4:31PM0.26m
4:55AM0.23m
5:05PM0.35m
5:29AM0.44m
5:41PM0.52m
clear
clear
clear
clear
clear
clear
clear
part cloud
part cloud
cloud
part cloud
part cloud
light rain
light rain
mod rain
rain showers
rain showers
rain showers
rain showers
rain showers
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
7:11
—
—
—
—
—
—
7:13
—
—
—
—
—
—
—
7:13
—
—
—
—
—
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
—
—
—
7:01
—
—
—
—
—
—
6:59
—
—
—
—
—
—
—
6:57
—
—
 mm
—
—
—
—
—
—
—
—
—
—
—
—
2
3
7
8
1
1
1
1
—
Temp °C
14
15
16
15
13
12
11
12
14
17
21
21
19
18
17
15
16
17
16
14
13
Feels °C
13
14
15
13
9
7
7
8
10
14
18
16
15
13
13
13
10
10
10
10
11
  • 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
How to use the Wavefinder 

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 Llandanwg 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.


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