Rossnowlagh Surf Break

Lat Long: 54.57° N 8.23° W

Rossnowlagh 48 hour detailed Surf Forecast

Issued: 12 am 29 Aug 2026 (local time)

Forecast update in  hr  min

Today's Rossnowlagh sea temperature is
16.7°C
2.1° 

Rossnowlagh surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.


How big are the waves at Rossnowlagh today (29 Aug):

  • Morning surf: Morning surf (29 Aug, local time) - 0.5ft (0.2m), 7s period with W swell.
  • Afternoon surf: Afternoon surf (29 Aug, local time) - 0.5ft (0.2m), 7s period with NNW swell.
  • Evening surf: Evening surf (29 Aug, local time) - 0.5ft (0.2m), 7s period with NNW swell.

The current surf forecast for Rossnowlagh at 5AM is: 0.2m 6s primary swell from a North-northwest direction and 0.2m 7s secondary swell from a West direction (forecast issued at 12:00am August 29). The wind direction is predicted to be glassy.

Time (IST) & DateWave HeightWave Period
Morning (29 Aug)0.5ft (0.2m)7s
Afternoon (29 Aug)0.5ft (0.2m)7s
Evening (29 Aug)0.5ft (0.2m)7s

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


Short Range Forecast

Light rain (total 5mm), mostly falling on Sun afternoon. Very mild (max 17°C on Sat morning, min 13°C on Fri night). Wind will be generally light.

Saturday
29
Sunday
30
Monday
31
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
10 AM
1 PM
4 PM
7 PM
10 PM
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 Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
0.2
WNW
7
0.2
WNW
7
0.2
W
7
0.2
W
7
0.2
NNW
7
0.2
NNW
7
0.2
NNW
7
0.2
NNW
7
0.2
NNW
7
0.2
W
8
0.2
W
10
0.4
W
10
0.5
W
10
0.6
W
9
0.5
W
9
0.5
W
9
0.5
W
9
1.4
WNW
6
1.4
WNW
7
1.1
WNW
7
1.1
W
10
1.3
W
6
1.2
W
7
1.2
W
7
Wave Graph
Metric surfscale
Energy kJ
5
5
4
4
5
5
5
5
4
5
9
33
49
63
41
39
39
135
163
114
233
137
131
147
Wind (km/h)
5
NNE
5
NE
5
ENE
0
NNE
5
W
10
W
10
W
5
WSW
5
SSW
5
SE
10
SE
10
SE
10
ESE
5
ENE
10
NW
10
WNW
25
NW
25
WNW
25
WNW
20
W
25
WSW
25
WSW
20
SW
15
SSW
Wind State
glassy
glassy
cross-off
glassy
glassy
on
on
glassy
glassy
cross-off
cross-off
cross-off
off
glassy
cross-on
cross-on
cross-on
cross-on
cross-on
on
on
on
cross-on
cross
High Tide
7:18AM3.29m
7:31PM3.77m
7:50AM3.35m
8:02PM3.76m
8:22AM3.35m
8:35PM3.66m
Low Tide
1:11AM0.18m
1:10PM0.20m
1:40AM0.10m
1:42PM0.17m
2:11AM0.10m
2:15PM0.22m
part cloud
cloud
cloud
cloud
cloud
cloud
part cloud
cloud
part cloud
cloud
cloud
cloud
light rain
thunderstorm
rain showers
part cloud
part cloud
cloud
part cloud
cloud
cloud
cloud
part cloud
cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:33
6:35
6:37
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
8:32
8:30
8:28
 mm
1
2
2
Temp °C
13
13
13
15
17
16
16
14
14
13
13
14
15
17
16
14
14
13
14
14
15
16
15
14
Feels °C
13
13
12
15
17
15
15
14
14
12
12
13
14
17
15
13
10
8
9
10
11
12
12
12
  • 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
How to use the Wavefinder 

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The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our Rossnowlagh surf forecast. Simply grab the html code snippet that we provide and paste it into your own site. You can choose your preferred language and metric/imperial units for the surf forecast feed to suit users of your site. Click here to get the code.


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