Rossnowlagh Surf Break

Lat Long: 54.57° N 8.23° W

Rossnowlagh 48 hour detailed Surf Forecast

Issued: 12 am 05 Sep 2026 (local time)

Forecast update in  hr  min

Today's Rossnowlagh sea temperature is
16.9°C
2.5° 

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 3AM is: 2.3m 12s primary swell from a West direction (forecast issued at 12:00am September 05). The wind direction is predicted to be onshore.

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 8mm), mostly falling on Mon afternoon. Very mild (max 19°C on Sun afternoon, min 12°C on Sun night). Winds increasing (light winds from the SSW on Sat afternoon, fresh winds from the WSW by Mon afternoon).

Saturday
5
Sunday
6
Monday
7
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
1
0
0
1
1
0
1
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)
2.5
W
12
2.2
W
12
1.9
WNW
11
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
0.7
W
8
0.6
W
9
0.6
W
10
1.2
WSW
11
1.3
W
11
1.3
W
16
1.4
W
7
1.2
W
9
2
W
10
2.3
W
11
2.5
W
11
3
W
11
3
W
11
Wave Graph
Metric surfscale
Energy kJ
1775
1297
862
644
450
328
254
173
132
94
68
68
52
65
337
396
826
184
225
786
1174
1719
2034
2282
Wind (km/h)
25
W
20
W
15
WSW
15
SW
15
WSW
10
SSW
15
SSE
15
SSE
15
SSE
20
S
30
S
35
S
35
S
35
SSW
30
W
25
WSW
25
WSW
20
SW
20
S
30
WSW
35
SW
40
WSW
35
WSW
35
WSW
Wind State
on
on
on
cross-on
cross-on
cross
cross-off
cross-off
cross-off
cross-off
cross
cross-off
cross
cross
on
on
cross-on
cross-on
cross
cross-on
cross-on
cross-on
on
cross-on
High Tide
11:55PM2.66m
12:42PM2.69m
1:32AM2.51m
2:20PM2.77m
3:10AM2.60m
3:41PM3.04m
Low Tide
6:00AM1.07m
7:03PM1.13m
7:42AM1.15m
8:55PM1.00m
9:15AM1.00m
part cloud
part cloud
light rain
part cloud
part cloud
cloud
cloud
cloud
light rain
cloud
cloud
cloud
cloud
cloud
light rain
part cloud
cloud
cloud
cloud
rain showers
rain showers
rain showers
rain showers
light rain
<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
1
1
2
1
Temp °C
14
14
13
14
16
16
15
14
14
17
17
18
18
19
16
15
14
13
12
14
14
14
13
13
Feels °C
9
10
10
11
13
14
12
11
12
15
13
13
13
14
12
11
10
9
8
8
7
6
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 

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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