Rossnowlagh Surf Break

Lat Long: 54.57° N 8.23° W

Rossnowlagh 48 hour detailed Surf Forecast

Issued: 6 pm 05 Aug 2026 (local time)

Forecast update in  hr  min

Today's Rossnowlagh sea temperature is
16.3° C
1.6° 

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 (06 Aug):

  • Morning surf: Morning surf (06 Aug, local time) - 2.5ft (0.7m), 6s period with WNW swell.
  • Afternoon surf: Afternoon surf (06 Aug, local time) - 2ft (0.6m), 5s period with W swell.
  • Evening surf: Evening surf (06 Aug, local time) - 2ft (0.6m), 5s period with W swell.

The current surf forecast for Rossnowlagh at 3AM is: 1.0m 6s primary swell from a West-northwest direction and 0.2m 10s secondary swell from a West direction (forecast issued at 06:00pm August 05). The wind direction is predicted to be cross-onshore.

Time (IST) & DateWave HeightWave Period
Morning (06 Aug)2.5ft (0.7m)6s
Afternoon (06 Aug)2ft (0.6m)5s
Evening (06 Aug)2ft (0.6m)5s

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


Short Range Forecast

Light rain (total 4mm), mostly falling on Wed afternoon. Very mild (max 17°C on Fri morning, min 12°C on Wed night). Wind will be generally light.

Wed
5
Thursday
6
Friday
7
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)
1.5
WNW
7
1.4
WNW
7
1.3
WNW
7
1.1
WNW
6
1
WNW
6
0.6
NW
6
0.7
WNW
6
0.5
W
5
0.6
W
5
0.6
W
5
0.6
W
5
0.5
W
5
0.6
W
5
0.7
W
6
0.9
WNW
9
1.3
W
9
1.4
WNW
9
1.5
W
10
1.5
W
10
Wave Graph
Metric surfscale
Energy kJ
204
186
158
97
71
23
28
13
20
17
17
12
19
31
126
252
348
423
423
Wind (km/h)
25
WNW
25
WNW
25
NW
15
NW
15
WNW
10
W
15
W
15
WSW
15
WSW
15
W
15
SW
10
SSW
10
SSW
10
SSW
20
SW
20
WSW
20
WSW
20
WSW
15
SW
Wind State
cross-on
cross-on
cross-on
cross-on
cross-on
on
on
on
on
on
cross-on
cross
cross
cross-on
cross-on
cross-on
on
cross-on
cross-on
High Tide
11:08PM3.06m
11:47AM2.74m
00:10AM2.85m
12:59PM2.67m
Low Tide
4:40PM0.80m
5:22AM0.76m
5:40PM0.98m
6:28AM0.92m
7:04PM1.09m
rain showers
light rain
rain showers
rain showers
clear
part cloud
part cloud
cloud
cloud
part cloud
part cloud
cloud
clear
clear
part cloud
cloud
cloud
part cloud
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:50
5:52
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
9:27
9:24
9:22
 mm
1
1
1
1
Temp °C
14
14
13
12
13
13
14
15
16
15
14
13
12
12
15
17
17
16
14
Feels °C
9
9
8
9
10
11
10
11
13
12
12
11
10
10
11
13
13
13
11
  • 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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