Rossnowlagh Surf Break

Lat Long: 54.57° N 8.23° W

Rossnowlagh 48 hour detailed Surf Forecast

Issued: 12 pm 05 Sep 2026 (local time)

Forecast update in  hr  min

Today's Rossnowlagh sea temperature is
16.8°C
2.4° 

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 (05 Sep):

  • Morning surf: Morning surf (05 Sep, local time) - 6ft (1.8m), 11s period with WNW swell.
  • Afternoon surf: Afternoon surf (05 Sep, local time) - 4.5ft (1.4m), 10s period with WNW swell.
  • Evening surf: Evening surf (05 Sep, local time) - 3.5ft (1.1m), 9s period with WNW swell.

The current surf forecast for Rossnowlagh at 6PM is: 1.2m 9s primary swell from a West-northwest direction (forecast issued at 12:00pm September 05). The wind direction is predicted to be cross-offshore.

Time (IST) & DateWave HeightWave Period
Morning (05 Sep)6ft (1.8m)11s
Afternoon (05 Sep)4.5ft (1.4m)10s
Evening (05 Sep)3.5ft (1.1m)9s

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


Short Range Forecast

Light rain (total 9mm), mostly falling on Mon morning. Very mild (max 19°C on Sun morning, min 12°C on Mon night). Winds increasing (light winds from the SSW on Sat afternoon, fresh winds from the WSW by Mon night).

Sat
5
Sunday
6
Monday
7
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
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
Wave
Height (m)
Direction
Period (s)
1.7
W
10
1.5
W
10
1.3
WNW
10
1.2
WNW
9
1
WNW
9
0.9
WNW
9
0.8
WNW
8
0.7
W
8
0.6
W
8
0.6
W
9
0.7
W
10
1.4
WSW
11
1.3
W
10
1.1
W
6
1.3
W
8
1.3
W
8
1.2
W
9
1.9
W
10
2.4
W
10
2.5
W
10
3
W
11
Wave Graph
Metric surfscale
Energy kJ
644
450
328
254
173
132
94
68
49
52
94
408
374
86
223
230
246
682
1070
1360
1933
Wind (km/h)
15
WSW
15
WSW
10
SSW
10
SSE
15
SSE
15
SSE
15
SSE
25
S
35
S
35
S
25
SSW
20
WSW
20
WSW
20
WSW
20
WSW
20
SSW
20
SW
30
WSW
30
WSW
35
WSW
35
WSW
Wind State
cross-on
cross-on
cross-on
cross-off
cross-off
cross-off
cross-off
cross-off
cross
cross
cross
on
on
cross-on
cross-on
cross-on
cross-on
cross-on
on
cross-on
cross-on
High Tide
12:42PM2.69m
1:32AM2.51m
2:20PM2.77m
3:10AM2.60m
3:41PM3.04m
Low Tide
7:03PM1.13m
7:42AM1.15m
8:55PM1.00m
9:15AM1.00m
part cloud
part cloud
cloud
cloud
cloud
light rain
cloud
cloud
cloud
cloud
light rain
rain showers
part cloud
cloud
cloud
cloud
light rain
light rain
cloud
clear
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:46
6:48
6:48
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
8:15
8:13
8:10
 mm
1
1
1
1
3
Temp °C
14
15
16
15
14
14
15
18
18
19
18
15
15
14
13
13
13
13
15
13
13
Feels °C
11
12
14
13
10
12
13
15
13
14
15
12
12
11
9
9
9
7
9
6
6
  • 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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