Rossnowlagh Surf Break

Lat Long: 54.57° N 8.23° W

Rossnowlagh 48 hour detailed Surf Forecast

Issued: 12 am 07 Sep 2026 (local time)

Forecast update in  hr  min

Today's Rossnowlagh sea temperature is
16.7°C
2.3° 

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 (07 Sep):

  • Morning surf: Morning surf (07 Sep, local time) - 5.5ft (1.7m), 10s period with W swell.
  • Afternoon surf: Afternoon surf (07 Sep, local time) - 6ft (1.9m), 10s period with W swell.
  • Evening surf: Evening surf (07 Sep, local time) - 7ft (2.1m), 10s period with W swell.

The current surf forecast for Rossnowlagh at 7AM is: 1.5m 14s primary swell from a West direction (forecast issued at 12:00am September 07). The wind direction is predicted to be cross-onshore.

Time (IST) & DateWave HeightWave Period
Morning (07 Sep)5.5ft (1.7m)10s
Afternoon (07 Sep)6ft (1.9m)10s
Evening (07 Sep)7ft (2.1m)10s

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


Short Range Forecast

Moderate rain (total 11mm), heaviest on Tue morning. Very mild (max 16°C on Mon morning, min 11°C on Tue night). Winds decreasing (fresh winds from the WNW on Tue morning, light winds from the NW by Tue night).

Monday
7
Tuesday
8
Wednesday
9
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
1
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)
1.2
W
10
1.4
W
14
1.5
W
14
1.7
W
10
1.8
W
10
1.9
W
10
2
W
10
2.1
W
10
2.3
W
10
2.4
W
10
2.5
W
10
3
WNW
10
3
WNW
10
3
WNW
10
2.5
WNW
11
2.4
WNW
10
2.1
WNW
10
1.8
WNW
10
1.5
WNW
9
1.3
WNW
9
1.2
WNW
8
1
WNW
8
0.9
WNW
8
0.8
WNW
8
Wave Graph
Metric surfscale
Energy kJ
308
825
855
513
623
680
753
865
1060
1147
1449
1739
1625
1626
1432
1192
831
590
377
262
194
144
116
79
Wind (km/h)
20
WSW
20
WSW
20
SW
20
SW
25
SW
30
WSW
30
WSW
30
SW
30
WSW
30
W
35
W
35
WNW
35
WNW
35
WNW
30
NW
25
NW
25
NW
15
NW
10
NW
10
WNW
15
WSW
15
WSW
10
SW
15
S
Wind State
cross-on
cross-on
cross-on
cross-on
cross-on
on
cross-on
cross-on
on
on
on
on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
on
cross-on
cross-on
cross-on
cross
High Tide
3:10AM2.60m
3:41PM3.04m
4:22AM2.82m
4:41PM3.39m
5:14AM3.07m
5:29PM3.70m
Low Tide
9:15AM1.00m
10:11PM0.70m
10:18AM0.73m
11:04PM0.38m
11:07AM0.45m
cloud
cloud
light rain
rain showers
light rain
light rain
light rain
clear
rain showers
rain showers
light rain
rain showers
rain showers
clear
clear
part cloud
part cloud
part cloud
clear
clear
part cloud
cloud
cloud
cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:48
6:50
6:52
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
8:10
8:07
8:06
 mm
1
1
1
1
1
1
1
1
2
1
Temp °C
14
14
13
14
16
15
14
12
12
13
13
14
14
14
14
13
14
13
11
14
15
15
15
13
Feels °C
11
10
9
10
11
9
8
6
6
6
6
7
7
7
8
8
9
9
9
12
12
12
13
10
  • 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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