Rhosneigr surfForecast / Wales – Anglesy / UK

information circle12 Day Weather and Surf, issued 5 am Saturday 06 Dec 2025 GMT
Forecast update in hr  min  s Forecast update imminent
Rhosneigr surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Rhosneigr sea temperature is
11.0° C
(Which is normal for this time of year)


Best Forecast Surf Conditions for Rhosneigr this week:

The surf forecast for Rhosneigr over the next 12 days: The first swell (rated 1 star or higher) is forecast to arrive on Friday (Dec 12) at 12PM. The primary swell is predicted to be 3.5m and 10s period with a secondary swell of 0.2m and 19s. The wind is predicted to be cross-shore as the swell arrives.

The most powerful waves expected at Rhosneigr in the next 12 days are 6.0m 12s and forecast to arrive on Tuesday (Dec 09) at 3PM. Winds are predicted to be onshore at the time the swell arrives.

Wave TypeTime (GMT) & Date Wave Height & Period
Next good surf (1 star+)12PM (Fri 12th Dec)11ft (3.5m) 10s
Best Surf12PM (Fri 12th Dec)11ft (3.5m) 10s
Most Powerful 3PM (Tue 9th Dec)20ft (6.0m) 12s

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

Updates in  hr  min  s Forecast update imminent

Short Range Forecast Heavy rain (total 30mm), heaviest during Mon night. Very mild (max 12°C on Sun morning, min 10°C on Sat night). Winds increasing (light winds from the SE on Sun morning, near gales from the S by Mon night).

Days 3-6 Weather Summary Light rain (total 9mm), mostly falling on Tue morning. Very mild (max 14°C on Tue morning, min 9°C on Wed night). Winds decreasing (gales from the S on Tue morning, fresh winds from the SSE by Thu afternoon).

Saturday
06
Sunday
07
Monday
08
Tuesday
09
Wednesday
10
Thursday
11
Friday
12
AMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNight
Rating
(10 max)
0
0
0
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
Swell
Height Map
Wave Height (m) & direction (?)
3
SW
3
SW
2.2
SW
1
SW
1.8
SW
2
SSW
2.4
SW
2.2
SW
1.7
SSW
5
SSW
6
SW
3.5
SW
2.5
SW
2.3
SW
2.3
SW
3
SW
2.5
SSW
3.5
SSW
4.5
SSW
2.4
SW
1.5
SSW
Period(s) (?)11779710871011128777889101111
Wave
Graph
(?)Metric surfscale
Energy kJ (?)18729304401592798046404215735431912913676425544671085815177438381316480
Wind
(km/h)
35
WSW
40
WSW
30
WSW
20
SE
25
W
40
SSW
35
SW
30
SSW
35
SSE
65
S
60
SSW
40
SW
35
SW
35
SW
40
SSW
45
S
40
SSE
30
SSE
45
S
20
SW
35
SSW
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
oncross-
on
oncross-
off
cross-
on
cross-
on
ononcross-
on
cross-
on
ononononcross-
on
cross-
on
cross-
on
cross-
on
cross-
on
oncross-
on
High Tide
/ height (m)
9:33AM
4.35
10:03PM
4.14
10:20AM
4.33
10:53PM
3.95
11:10AM
4.23
11:46PM
3.69
12:02PM
4.06
12:44AM
3.41
12:59PM
3.83
1:48AM
3.17
2:03PM
3.61
3:01AM
3.02
3:12PM
3.42
Low Tide
/ height (m)
4:36PM
-0.21
4:56AM
0.10
5:26PM
-0.17
5:44AM
0.27
6:17PM
-0.01
6:32AM
0.49
7:10PM
0.22
7:23AM
0.74
8:05PM
0.48
8:17AM
0.99
9:04PM
0.72
9:18AM
1.19
10:08PM
0.90
Saturday
06
Sunday
07
Monday
08
Tuesday
09
Wednesday
10
Thursday
11
Friday
12
Sunrise8:15--8:17--8:18--8:18--8:19--8:21--8:22--
Sunset-4:00--4:00--4:00--4:00--4:00--4:00--3:59-
thunderstorm
light rain
part cloud
light rain
rain showers
rain showers
part cloud
light rain
heavy rain
mod rain
part cloud
rain showers
clear
part cloud
clear
part cloud
part cloud
part cloud
light rain
clear
part cloud
Rain (mm)
43-224-1148-1------5--
Temp. °C111111121112111212141311101111101112111010
Feels °C (?)433562466123233244253
  • 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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Information about the Rhosneigr Surf forecast

The above surf forecast table for Rhosneigr provides essential information for determining whether the surfing conditions will be good over the next 12 days. A general guide to surfing at Rhosneigr can be found by selecting the local surf guide option on the grey menu. Our Rhosneigr 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 (Rhosneigr) 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 Rhosneigr 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 Rhosneigr, camping, hotels and holiday cottages in Anglesy, consider staying in Anglesey which is 2 km (1 miles) away. Other places in and around Anglesy where you can find information about places to rent, and car hire include Holyhead which is 12 km (7 miles) away, Bangor, Porthmadog and Llandudno.

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