Rhosneigr surfForecast / Wales – Anglesy / UK

information circle16 Day Weather and Surf, issued 5 pm Thursday 26 Mar 2026 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
9.0° C
(Which is 1.3°C warmer than normal for this time of year)

Best Forecast Surf Conditions for Rhosneigr this week:

The surf forecast for Rhosneigr over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Friday (Mar 27) at 9AM. The primary swell is predicted to be 1.0m and 6s period with a secondary swell of 0.4m and 3s. The wind is predicted to be cross-offshore as the swell arrives.

The most powerful waves expected at Rhosneigr in the next 16 days are 2.5m 7s and forecast to arrive on Sunday (Mar 29) at 4PM. Winds are predicted to be onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 2.5m 7s period and expected on Wednesday (Apr 01) at 10PM.

Wave TypeTime (GMT) & Date Wave Height & Period
Next good surf (1 star+) 9AM (Fri 27th Mar)3.5ft (1.0m) 6s
Best Surf 9AM (Fri 27th Mar)3.5ft (1.0m) 6s
Most Powerful 4PM (Sun 29th Mar)8ft (2.5m) 7s

Table - best surf conditions forecast for Rhosneigr over the next 16 days.


Updates in  hr  min  s Forecast update imminent

Short Range Forecast Moderate rain (total 12mm), heaviest on Thu night. Mild temperatures (max 9°C on Thu night, min 5°C on Fri night). Winds increasing (light winds from the NNW on Fri morning, strong winds from the SW by Sun morning).

Days 3-6 Weather Summary Some drizzle, heaviest during Sun afternoon. Very mild (max 12°C on Tue afternoon, min 7°C on Sun night). Winds decreasing (strong winds from the SW on Sun afternoon, light winds from the WSW by Tue night).

Thu
26
Friday
27
Saturday
28
Sunday
29
Monday
30
Tuesday
31
Wednesday
01
PMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAM
Rating
(10 max)
0
0
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
Swell
Height Map
Wave Height (m) & direction (?)
0.1
W
1
SW
1
SW
0.6
SW
1.5
WNW
2
WNW
1.8
NW
0.1
SW
1.6
WSW
2.5
SW
1.2
SW
1.6
NW
0.9
WSW
0.8
W
0.8
WSW
0.5
SW
0.5
SW
1.1
SW
0.9
SW
0.3
SW
0.1
W
Period(s) (?)13566666657865444546712
Wave
Graph
(?)Metric surfscale
Energy kJ (?)54861281382952561138605169161302022911496073
Wind
(km/h)
20
SSW
25
SW
15
NNW
20
WNW
30
WNW
40
WNW
35
NW
20
WNW
40
SW
45
SW
30
WNW
30
WNW
25
WNW
15
SSW
20
W
20
SW
15
WNW
20
SW
25
SSW
40
NNE
30
ENE
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
ononcross-
off
cross-
on
cross-
on
crosscrosscrossononcross-
on
cross-
on
cross-
on
oncross-
on
oncross-
on
ononcross-
off
off
High Tide
/ height (m)
3:07PM
3.00
3:46AM
3.11
5:08PM
2.95
5:30AM
3.24
6:35PM
3.14
6:41AM
3.52
7:27PM
3.38
7:29AM
3.81
8:04PM
3.61
8:08AM
4.04
8:36PM
3.80
8:43AM
4.19
9:07PM
3.94
9:17AM
4.26
Low Tide
/ height (m)
10:10PM
1.32
11:03AM
1.04
11:39PM
1.25
12:25PM
0.80
12:50AM
0.99
1:26PM
0.48
1:43AM
0.68
2:14PM
0.20
2:28AM
0.42
2:55PM
0.01
3:08AM
0.24
3:32PM
-0.07
3:44AM
0.13
Thu
26
Friday
27
Saturday
28
Sunday
29
Monday
30
Tuesday
31
Wednesday
01
Sunrise--6:05--6:01--6:00--5:56--5:54--5:52--5:50
Sunset6:40--6:43--6:45--6:45--6:47--6:50--6:52--
cloud
mod rain
rain showers
part cloud
part cloud
rain showers
rain showers
part cloud
light rain
light rain
part cloud
part cloud
part cloud
part cloud
part cloud
clear
part cloud
part cloud
part cloud
rain showers
clear
Rain (mm)
-71--21-11---------2-
Temp. °C7989767789109101110121181064
Feels °C (?)1423-1-3-20-11534868944-4-3
  • 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 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 16 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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