Rossnowlagh Surf Break

Lat Long: 54.57° N 8.23° W

Rossnowlagh 48 hour detailed Surf Forecast

Issued: 6 pm 21 Jul 2026 (local time)

Forecast update in  hr  min

Today's Rossnowlagh sea temperature is
17.7° C
3.3° 

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 (22 Jul):

  • Morning surf: Morning surf (22 Jul, local time) - 1.5ft (0.5m), 6s period with NW swell.
  • Afternoon surf: Afternoon surf (22 Jul, local time) - 1.5ft (0.4m), 7s period with NW swell.
  • Evening surf: Evening surf (22 Jul, local time) - 0.5ft (0.2m), 9s period with W swell.

The current surf forecast for Rossnowlagh at 1AM is: 0.6m 6s primary swell from a North-northwest direction and 0.3m 9s secondary swell from a West direction (forecast issued at 06:00pm July 21). The wind direction is predicted to be cross-shore.

Time (IST) & DateWave HeightWave Period
Morning (22 Jul)1.5ft (0.5m)6s
Afternoon (22 Jul)1.5ft (0.4m)7s
Evening (22 Jul)0.5ft (0.2m)9s

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


Short Range Forecast

Mostly dry. Very mild (max 18°C on Wed afternoon, min 11°C on Tue night). Wind will be generally light.

Tue
21
Wednesday
22
Thursday
23
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
NNW
6
0.6
NNW
6
0.6
NNW
6
0.6
NNW
6
0.5
NW
6
0.5
NW
6
0.5
NW
6
0.4
NW
7
0.4
NW
7
0.5
NW
7
0.2
W
9
0.4
NW
6
0.2
W
9
0.3
NW
6
0.3
NW
6
0.3
W
8
0.3
W
8
0.3
W
8
0.2
WNW
12
Wave Graph
Metric surfscale
Energy kJ
21
22
22
20
15
16
19
15
16
21
7
14
6
6
6
12
12
12
13
Wind (km/h)
20
NNW
20
NNW
15
NNW
15
NNW
10
NNW
10
NNW
10
NW
10
NW
15
NW
15
NNW
10
NW
5
NNW
5
NW
5
NW
10
WNW
15
W
15
WNW
15
WNW
10
WNW
Wind State
cross-on
cross-on
cross
cross
cross
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
glassy
glassy
cross-on
on
on
on
on
High Tide
00:07AM2.87m
12:46PM2.59m
1:07AM2.62m
1:54PM2.53m
Low Tide
5:38PM0.98m
6:25AM0.98m
6:45PM1.18m
7:28AM1.13m
8:08PM1.27m
part cloud
clear
part cloud
part cloud
part cloud
part cloud
cloud
part cloud
part cloud
clear
clear
part cloud
clear
clear
clear
clear
clear
clear
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:26
5:26
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
9:52
9:51
9:50
 mm
Temp °C
15
13
12
11
12
12
14
16
18
17
15
14
13
13
15
16
16
15
13
Feels °C
12
10
9
8
10
11
13
15
16
15
14
14
13
13
14
14
14
13
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 

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.


Nearest locationNearest