Rossnowlagh Surf Break

Lat Long: 54.57° N 8.23° W

Rossnowlagh 48 hour detailed Surf Forecast

Issued: 6 pm 25 Aug 2026 (local time)

Forecast update in  hr  min

Today's Rossnowlagh sea temperature is
16.8°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 (25 Aug):

  • Afternoon surf: Afternoon surf (25 Aug, local time) - 2ft (0.6m), 9s period with W swell.
  • Evening surf: Evening surf (25 Aug, local time) - 1.5ft (0.5m), 9s period with W swell.

The current surf forecast for Rossnowlagh at 10PM is: 0.5m 8s primary swell from a West direction and 0.1m 8s secondary swell from a Northwest direction (forecast issued at 06:00pm August 25). The wind direction is predicted to be offshore.

Time (IST) & DateWave HeightWave Period
Morning (25 Aug)--
Afternoon (25 Aug)2ft (0.6m)9s
Evening (25 Aug)1.5ft (0.5m)9s

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


Short Range Forecast

Light rain (total 7mm), mostly falling on Tue night. Warm (max 20°C on Tue afternoon, min 13°C on Wed night). Wind will be generally light.

Tue
25
Wednesday
26
Thursday
27
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
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
0.6
W
9
0.5
W
9
0.5
W
8
0.4
W
8
0.4
W
8
0.4
W
8
0.3
W
8
0.3
W
7
0.3
W
7
0.3
WNW
10
0.5
W
10
0.6
W
10
0.6
W
9
0.7
W
9
0.6
W
9
0.6
W
9
0.5
W
9
0.5
W
9
0.4
WNW
8
Wave Graph
Metric surfscale
Energy kJ
56
38
35
21
21
20
10
10
10
22
50
67
63
83
60
57
39
39
23
Wind (km/h)
20
ESE
15
E
15
ESE
15
E
20
E
15
E
15
E
15
ESE
15
E
10
E
10
E
10
E
10
E
10
E
10
E
10
E
5
ENE
0
NNE
5
NW
Wind State
off
off
off
off
off
off
off
off
off
off
off
off
off
off
off
off
off
glassy
cross-on
High Tide
5:25PM3.10m
5:42AM2.85m
5:59PM3.35m
6:15AM3.03m
6:30PM3.56m
Low Tide
11:39PM0.72m
11:37AM0.61m
00:11AM0.50m
12:08PM0.42m
cloud
cloud
light rain
light rain
cloud
cloud
light rain
light rain
part cloud
cloud
part cloud
clear
clear
clear
part cloud
part cloud
cloud
cloud
cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:26
6:28
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
8:42
8:39
8:37
 mm
1
3
2
1
Temp °C
20
18
15
14
15
15
15
16
17
17
15
14
14
13
16
18
19
19
18
Feels °C
16
16
13
12
13
13
13
15
15
16
14
14
13
12
15
18
19
20
19
  • 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 

FREE! Surf-Forecast.com widget for your website

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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