Aberffraw surfForecast / Wales – Anglesy / UK

information circle48hr Weather and Surf, issued 12 pm Monday 18 May 2026 BST
Forecast update in hr  min  s Forecast update imminent
Aberffraw surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Aberffraw sea temperature is
11.3° C
(Which is slightly warmer than usual)

How big are the waves at Aberffraw today?

The current surf forecast for Aberffraw at 8PM is: 0.5m 6s primary swell from a Southwest direction and 0.7m 4s secondary swell from a South-southwest direction (forecast issued at 12:00pm May 18). The wind direction is predicted to be cross-onshore.

Time (BST) & DateWave HeightWave Period
Morning (18 May)2.5ft (0.8m)6s
Afternoon (18 May)2.5ft (0.7m)6s
Evening (18 May)2ft (0.6m)5s

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


Updates in  hr  min  s Forecast update imminent

Short Range Forecast

Moderate rain (total 13mm), heaviest on Mon night. Very mild (max 13°C on Wed afternoon, min 10°C on Mon morning). Winds increasing (light winds from the SW on Mon morning, strong winds from the SSW by Tue afternoon).

Mon
18
Tuesday
19
Wednesday
20
Thu
21
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
1 AM
4 AM
7 AM
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
Swell
Height Map
Height MapHeight MapHeight Map
Height MapHeight MapHeight Map
Height MapHeight MapHeight Map
Height MapHeight MapHeight Map
Wave
Height (m)
Direction
Period (s)
0.8
SW
6
0.7
SW
7
0.7
SW
6
0.7
SSW
4
0.8
SW
5
0.9
SW
6
1.5
SSW
6
1.5
SSW
7
1.5
SSW
7
1.6
SW
6
1.8
SW
7
2
SW
7
2.2
SW
8
2.3
SW
8
2
SW
8
1.7
SW
8
1.5
SW
8
1.7
SW
6
1.8
SW
6
1.8
SW
7
1.6
SW
7
1.4
SW
6
1.4
SW
6
1.4
SW
6
Wave Graph
Metric surfscale
Energy kJ
49
43
42
13
28
54
177
205
198
216
317
410
531
655
441
390
297
205
251
298
213
152
110
147
Wind (km/h)
15
SW
20
SSW
25
S
20
S
25
SSE
30
SSE
35
SSE
30
S
30
S
35
SSW
35
SSW
40
SSW
40
SSW
40
SW
30
SW
25
SW
25
SW
30
SW
35
SSW
30
SSW
25
S
25
S
30
S
25
S
on
on
cross-on
cross-on
cross
cross
cross-on
cross-on
cross-on
cross-on
on
on
on
on
on
on
on
on
on
on
cross-on
cross-on
cross-on
cross-on
High Tide
10:49AM4.27m
11:09PM4.30m
11:39AM4.11m
11:57PM4.21m
12:31PM3.85m
00:50AM4.04m
Low Tide
5:47PM0.04m
6:14AM-0.11m
6:36PM0.21m
7:05AM-0.01m
7:26PM0.43m
cloud
part cloud
cloud
cloud
light rain
light rain
light rain
rain showers
light rain
light rain
part cloud
cloud
cloud
cloud
cloud
cloud
part cloud
part cloud
part cloud
cloud
clear
part cloud
light rain
rain showers
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:15
5:13
5:11
5:09
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
9:14
9:15
9:16
9:19
1
4
2
1
2
1
1
1
Temp °C
10
10
11
11
10
10
11
12
12
12
12
12
11
11
11
11
11
12
13
12
12
12
12
13
6
5
6
6
5
4
4
7
7
5
5
4
3
4
5
6
6
6
7
6
7
7
7
9
Swell 1
Height (m)
Direction
Period (s)
0.3
NW
4
0.2
WNW
4
0.4
SW
6
0.8
SW
5
0.9
SW
6
0.8
SW
6
0.3
WSW
10
0.3
WSW
10
0.4
SW
9
Energy kJ
2
1
10
28
54
49
22
20
19
Swell 2
Height (m)
Direction
Period (s)
0.3
NW
4
0.3
NW
4
Energy kJ
2
2
Swell 3
Height (m)
Direction
Period (s)
Energy kJ
Wind waves
Height (m)
Direction
Period (s)
0.8
SW
6
0.7
SW
7
0.7
SW
6
0.7
SSW
4
0.6
SSE
4
0.8
SSE
4
1.5
SSW
6
1.5
SSW
7
1.5
SSW
7
1.6
SW
6
1.8
SW
7
2
SW
7
2.2
SW
8
2.3
SW
8
2
SW
8
1.7
SW
8
1.5
SW
8
1.7
SW
6
1.8
SW
6
1.8
SW
7
1.6
SW
7
1.4
SW
6
1.4
SW
6
1.4
SW
6
Energy kJ
49
43
42
13
10
17
177
205
198
216
317
410
531
655
441
390
297
205
251
298
213
152
110
147
Nearest Offshore or Glassy
Rating
(10 max)
2
2
1
1
1
1
1
1
1
1
1
1
1
1
1
2
4
1
3
1
1
1
1
1
Distance (km)
261
261
264
264
264
284
289
264
312
306
306
277
277
261
261
265
307
465
299
261
82
101
244
221
Best forecast wave conditions in Anglesy
Rating
(10 max)
Best forecast wave conditions in United Kingdom
Rating
(10 max)
3
3
2
2
2
2
2
2
1
1
2
2
3
2
1
2
2
2
4
3
3
3
3
Header Global
Rating
(10 max)
4
4
4
5
4
4
4
4
4
4
4
4
4
4
5
5
4
4
4
5
5
5
4
5
  • 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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