Rhosneigr surfForecast / Wales – Anglesy / UK

information circle48hr Weather and Surf, issued 6 pm Friday 29 Aug 2025 BST
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
17.4° C
(Which is 1.8°C warmer than normal for this time of year)


How big are the waves at Rhosneigr today?

The current surf forecast for Rhosneigr at 1AM is: 0.7m 7s primary swell from a Southwest direction and 0.1m 13s secondary swell from a West direction, 0.7m 4s secondary swell from a West-northwest direction (forecast issued at 06:00pm August 29). The wind direction is predicted to be cross-onshore.

Time (BST) & DateWave HeightWave Period
Morning (30 Aug)3.5ft (1.0m)4s
Afternoon (30 Aug)7ft (2.1m)6s
Evening (30 Aug)8ft (2.5m)7s

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

Updates in  hr  min  s Forecast update imminent
Friday
29
Saturday
30
Sunday
31
Monday
01
4PM7PM10PM1AM4AM7AM10AM1PM4PM7PM10PM1AM4AM7AM10AM1PM4PM7PM10PM1AM4AM7AM10AM1PM
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
Wave Height (m) & direction (?)
0.9
SW
0.8
SW
0.7
SW
0.7
SW
0.9
WSW
0.8
SW
1
SSW
1.5
SSW
2.3
SSW
2.5
SSW
2.4
SW
2.2
SW
2.4
SW
2.4
SW
2.5
SSW
3
SSW
3
SSW
3
SSW
3
SSW
2.5
SSW
2
SSW
1.9
SW
1.9
SW
1.8
SW
Period(s) (?)777748457787788888888866
Wave
Graph
(?)Metric surfscale
Energy (?)71776567778539109435656657529566657832988122713301150709515423278298
Wind
(km/h)
20
SW
15
W
20
W
20
W
10
SW
20
SSW
30
S
40
S
50
S
40
SSW
45
SW
40
SSW
45
SSW
40
SSW
45
SSW
45
SSW
50
S
50
S
50
S
40
S
30
SSW
25
SSW
30
SW
35
SW
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
oncross-
on
cross-
on
cross-
on
ononcross-
on
cross-
on
cross-
on
ononononcross-
on
cross-
on
cross-
on
cross-
on
cross-
on
cross-
on
cross-
on
onononon
High Tide
/ height (m)
1:36PM
3.35
1:55AM
3.34
2:15PM
3.10
2:41AM
3.01
3:10PM
2.85
3:53AM
2.74
Low Tide
/ height (m)
8:14PM
0.98
8:38AM
1.14
8:56PM
1.26
9:23AM
1.42
9:53PM
1.51
10:32AM
1.63
Friday
29
Saturday
30
Sunday
31
Monday
01
Sunrise-----6:22-------6:24-------6:26--
Sunset-8:15-------8:13-------8:10------
part cloud
clear
clear
clear
cloud
part cloud
cloud
cloud
mod rain
rain showers
clear
clear
clear
clear
clear
clear
clear
thunderstorm
light rain
thunderstorm
light rain
light rain
rain showers
light rain
Rain (mm)
--------61-------1222111
Temp. °C171616151414161717161515151515161615151514151515
Feels °C (?)13141312121111101097778677678911109
  • 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

Eyeball surf reportRecent Eyeball Surf Reports for Wales - Anglesy

  1. weather stationWind Update The wind is still cross-on at Rhosneigr (light winds from the W at Valley RAF Airport 2 km from Rhosneigr). 0.7m 4s local chop from the WNW with a 0.5m 8s swell from the SW. 2 swells combining to make bigger set waves.

    Rhosneigr
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1 h 33 min ago

17 km/h
W
Cross-On
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