Rossnowlagh Surf Break

Lat Long: 54.57° N 8.23° W

Rossnowlagh 48 hour detailed Surf Forecast

Issued: 12 am 08 Aug 2026 (local time)

Forecast update in  hr  min

Today's Rossnowlagh sea temperature is
16.2° C
1.4° 

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 (08 Aug):

  • Morning surf: Morning surf (08 Aug, local time) - 4.5ft (1.3m), 10s period with W swell.
  • Afternoon surf: Afternoon surf (08 Aug, local time) - 4ft (1.2m), 9s period with W swell.
  • Evening surf: Evening surf (08 Aug, local time) - 4.5ft (1.4m), 9s period with W swell.

The current surf forecast for Rossnowlagh at 5AM is: 1.5m 10s primary swell from a West direction (forecast issued at 12:00am August 08). The wind direction is predicted to be cross-shore.

Time (IST) & DateWave HeightWave Period
Morning (08 Aug)4.5ft (1.3m)10s
Afternoon (08 Aug)4ft (1.2m)9s
Evening (08 Aug)4.5ft (1.4m)9s

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


Short Range Forecast

Light rain (total 4mm), mostly falling on Sat morning. Very mild (max 19°C on Mon afternoon, min 12°C on Sun night). Wind will be generally light.

Saturday
8
Sunday
9
Monday
10
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)
1
2
1
1
0
1
1
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)
1.5
W
10
1.5
W
10
1.4
W
10
1.3
WNW
9
1.2
W
9
1.3
W
9
1.4
W
9
1.3
W
9
1.2
W
9
1.3
W
9
1.3
W
9
1.2
W
9
1.1
WNW
9
1
WNW
9
1
WNW
9
1
WNW
8
0.9
WNW
8
0.8
WNW
8
0.8
WNW
8
0.7
WNW
8
0.7
WNW
8
0.6
WNW
8
0.6
WNW
8
0.4
NW
10
Wave Graph
Metric surfscale
Energy kJ
441
422
361
308
246
276
327
300
256
287
276
235
206
169
166
154
122
90
87
67
63
45
44
28
Wind (km/h)
10
S
10
SSE
15
S
10
S
10
S
10
SW
10
SSW
10
WSW
10
SW
15
SW
15
SSW
10
W
10
WNW
15
W
15
WNW
10
W
5
W
5
WSW
0
SSE
5
SSW
5
W
5
NW
5
NNE
10
E
Wind State
cross
cross-off
cross
cross
cross
cross-on
cross
on
cross-on
cross-on
cross-on
on
on
on
on
on
on
glassy
glassy
glassy
on
cross-on
glassy
off
High Tide
1:32AM2.71m
2:25PM2.74m
3:02AM2.73m
3:45PM2.96m
4:20AM2.89m
4:49PM3.29m
Low Tide
7:53AM0.99m
8:43PM1.02m
9:18AM0.89m
10:05PM0.78m
10:25AM0.68m
clear
part cloud
cloud
light rain
cloud
cloud
light rain
part cloud
cloud
cloud
cloud
light rain
light rain
part cloud
clear
cloud
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:54
5:56
5:58
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
9:20
9:17
9:15
 mm
1
1
1
1
Temp °C
13
13
13
14
15
17
15
15
15
14
14
14
13
15
15
13
13
12
12
14
16
18
19
18
Feels °C
12
12
10
12
13
16
14
14
14
12
12
13
11
12
12
11
12
11
12
13
14
16
18
16
  • 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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