Rossnowlagh Surf Break

Lat Long: 54.57° N 8.23° W

Rossnowlagh 48 hour detailed Surf Forecast

Issued: 12 pm 26 Sep 2026 (local time)

Forecast update in  hr  min

Today's Rossnowlagh sea temperature is
15.9°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 (26 Sep):

  • Morning surf: Morning surf (26 Sep, local time) - 7ft (2.1m), 11s period with W swell.
  • Afternoon surf: Afternoon surf (26 Sep, local time) - 5ft (1.6m), 11s period with W swell.
  • Evening surf: Evening surf (26 Sep, local time) - 5ft (1.5m), 10s period with W swell.

The current surf forecast for Rossnowlagh at 6PM is: 1.5m 11s primary swell from a West direction and 0.7m 4s secondary swell from a South-southwest direction (forecast issued at 12:00pm September 26). The wind direction is predicted to be cross-shore.

Time (IST) & DateWave HeightWave Period
Morning (26 Sep)7ft (2.1m)11s
Afternoon (26 Sep)5ft (1.6m)11s
Evening (26 Sep)5ft (1.5m)10s

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


Short Range Forecast

Moderate rain (total 16mm), heaviest on Sun morning. Very mild (max 16°C on Sat morning, min 8°C on Sun night). Mainly fresh winds.

Sat
26
Sunday
27
Monday
28
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
1
0
0
0
0
0
1
0
1
0
0
1
2
2
3
2
0
0
2
1
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)
2
W
11
1.7
W
11
1.6
W
11
1.5
W
10
1.5
W
10
1.5
W
10
1.6
W
11
1.6
W
11
1.6
W
11
1.6
W
11
1.8
W
11
2
W
12
2
W
12
1.8
W
12
1.8
W
12
1.7
W
12
1.6
W
11
1.5
W
11
1.4
W
11
1.4
W
11
1.3
W
10
Wave Graph
Metric surfscale
Energy kJ
969
695
595
495
470
479
599
610
588
599
814
1084
1058
887
887
763
618
533
449
441
367
Wind (km/h)
15
SSW
20
SSW
25
SSW
25
S
25
S
25
S
25
SSE
30
SSE
15
W
5
WSW
30
W
20
W
15
SW
10
SSW
10
S
10
SSE
15
SSE
20
S
20
S
15
SE
20
SE
Wind State
cross
cross
cross
cross
cross
cross
cross-off
cross-off
on
on
on
on
cross-on
cross
cross
cross-off
cross-off
cross
cross
cross-off
cross-off
High Tide
6:25PM3.74m
6:48AM3.46m
6:58PM3.80m
7:21AM3.55m
7:33PM3.78m
Low Tide
12:10PM0.26m
00:37AM0.01m
12:42PM0.14m
1:08AM-0.06m
1:17PM0.08m
clear
part cloud
rain showers
clear
clear
part cloud
part cloud
light rain
light rain
mod rain
rain showers
rain showers
rain showers
clear
clear
part cloud
part cloud
clear
clear
part cloud
cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
7:24
—
—
—
—
—
—
7:26
—
—
—
—
—
—
—
7:28
—
—
—
—
—
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
—
—
—
7:22
—
—
—
—
—
—
—
7:20
—
—
—
—
—
—
—
7:16
—
 mm
—
—
1
—
—
—
—
2
4
6
1
1
1
—
—
—
—
—
—
—
—
Temp °C
13
16
16
15
14
13
13
13
12
11
13
12
10
9
9
8
10
13
15
14
13
Feels °C
10
12
11
10
9
8
8
8
9
9
7
7
7
6
6
5
7
9
11
11
9
  • 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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