Aberffraw surfForecast / Wales – Anglesy / UK

information circle12 Day Weather and Surf, issued 11 am Friday 19 Dec 2025 GMT
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
10.4° C
(Which is slightly warmer than usual)


Best Forecast Surf Conditions for Aberffraw this week:

The surf forecast for Aberffraw over the next 12 days: The first swell (rated 1 star or higher) is forecast to arrive on Sunday (Dec 21) at 9AM. The primary swell is predicted to be 0.4m and 16s period with a secondary swell of 0.7m and 10s. Another secondary swell of 0.7m and 5s is also forecast. The wind is predicted to be cross-offshore as the swell arrives.

The most powerful waves expected at Aberffraw in the next 12 days are 1.6m 11s and forecast to arrive on Saturday (Dec 20) at 9PM. Winds are predicted to be cross-shore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.3m 5s period and expected on Tuesday (Dec 23) at 12PM.

Wave TypeTime (GMT) & Date Wave Height & Period
Next good surf (1 star+) 9AM (Sun 21st Dec)2.5ft (0.7m) 10s
Best Surf 9AM (Sun 21st Dec)2.5ft (0.7m) 10s
Most Powerful 9PM (Sat 20th Dec)5ft (1.6m) 11s

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

Updates in  hr  min  s Forecast update imminent

Short Range Forecast Light rain (total 9mm), mostly falling on Sat night. Very mild (max 10°C on Fri morning, min 6°C on Sun morning). Winds decreasing (fresh winds from the S on Fri night, calm by Sun night).

Days 3-6 Weather Summary Mostly dry. Mild temperatures (max 9°C on Mon morning, min 2°C on Wed night). Wind will be generally light.

Friday
19
Saturday
20
Sunday
21
Monday
22
Tuesday
23
Wednesday
24
Thursday
25
AMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNight
Rating
(10 max)
0
0
0
0
0
0
2
1
1
0
0
0
0
0
1
0
0
0
0
0
0
Swell
Height Map
Wave Height (m) & direction (?)
2.3
WSW
1.8
WSW
1.5
SW
1.4
SW
1.6
SW
1.5
SSW
0.7
SW
0.8
SW
0.6
SW
0.5
SW
0.9
SSW
0.9
SSW
0.5
SW
0.2
WSW
0.3
WSW
0.5
SW
0.4
SW
0.3
SW
0.2
WSW
0.1
SW
0.1
SW
Period(s) (?)8668910109985671514888888
Wave
Graph
(?)Metric surfscale
Energy kJ (?)7002541412274024759811450354174232136352410622
Wind
(km/h)
35
SW
30
SW
30
S
30
SSE
35
SE
30
S
15
E
15
ENE
0
SSW
15
S
15
S
20
SSE
15
E
15
E
20
ENE
20
ENE
20
ENE
15
ENE
10
E
10
ENE
10
ENE
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
ononcross-
on
crosscrosscross-
on
cross-
off
cross-
off
glasscross-
on
cross-
on
crosscross-
off
cross-
off
offcross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
High Tide
/ height (m)
9:03PM
3.56
9:18AM
3.77
9:38PM
3.57
9:53AM
3.83
10:13PM
3.55
10:27AM
3.85
10:46PM
3.49
11:01AM
3.85
11:20PM
3.41
11:35AM
3.82
11:57PM
3.33
12:13PM
3.75
12:40AM
3.24
Low Tide
/ height (m)
3:30PM
0.58
3:43AM
0.62
4:06PM
0.49
4:18AM
0.58
4:43PM
0.45
4:54AM
0.57
5:21PM
0.45
5:30AM
0.60
6:00PM
0.50
6:07AM
0.68
6:40PM
0.57
6:46AM
0.80
7:22PM
0.65
Friday
19
Saturday
20
Sunday
21
Monday
22
Tuesday
23
Wednesday
24
Thursday
25
Sunrise8:27--8:29--8:29--8:30--8:30--8:30--8:30--
Sunset-4:00--4:00--4:00--4:01--4:01--4:02--4:02-
part cloud
clear
part cloud
clear
cloud
rain showers
cloud
light rain
light rain
cloud
part cloud
part cloud
part cloud
part cloud
part cloud
cloud
clear
clear
clear
clear
clear
Rain (mm)
-----5-22------------
Temp. °C101010999888997787763333
Feels °C (?)23311254755234321-2-1-1-1
  • 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 Aberffraw Surf forecast

The above surf forecast table for Aberffraw provides essential information for determining whether the surfing conditions will be good over the next 12 days. A general guide to surfing at Aberffraw can be found by selecting the local surf guide option on the grey menu. Our Aberffraw 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 (Aberffraw) 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 Aberffraw 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 Anglesy? If you are looking for accommodation near Aberffraw, camping, hotels and holiday cottages in Anglesy, consider staying in Anglesey which is 9 km (6 miles) away. Other places in and around Anglesy where you can find information about places to rent, and car hire include Holyhead which is 19 km (12 miles) away, Bangor, Porthmadog and Llandudno.

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