Rossnowlagh Surf Break

Lat Long: 54.57° N 8.23° W

Rossnowlagh 48 hour detailed Surf Forecast

Issued: 12 am 14 Sep 2026 (local time)

Forecast update in  hr  min

Today's Rossnowlagh sea temperature is
15.7°C
1.7° 

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 (14 Sep):

  • Morning surf: Morning surf (14 Sep, local time) - 2ft (0.6m), 8s period with W swell.
  • Afternoon surf: Afternoon surf (14 Sep, local time) - 3ft (0.9m), 11s period with W swell.
  • Evening surf: Evening surf (14 Sep, local time) - 4.5ft (1.4m), 10s period with WSW swell.

The current surf forecast for Rossnowlagh at 8AM is: 0.5m 8s primary swell from a West direction and 0.4m 9s secondary swell from a West-northwest direction, 0.3m 3s secondary swell from a South-southwest direction (forecast issued at 12:00am September 14). The wind direction is predicted to be cross-offshore.

Time (IST) & DateWave HeightWave Period
Morning (14 Sep)2ft (0.6m)8s
Afternoon (14 Sep)3ft (0.9m)11s
Evening (14 Sep)4.5ft (1.4m)10s

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


Short Range Forecast

Moderate rain (total 16mm), heaviest on Mon morning. Very mild (max 17°C on Mon morning, min 12°C on Tue night). Wind will be generally light.

Monday
14
Tuesday
15
Wednesday
16
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
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)
0.7
WNW
9
0.6
WNW
9
0.5
W
8
0.6
W
8
0.7
W
8
0.9
W
11
1
W
10
1.4
WSW
10
1
W
10
1.7
W
10
1.9
W
7
1.7
W
10
1.6
W
10
1.5
W
9
1.7
WNW
9
1.9
WNW
12
2.2
WNW
12
2.2
WNW
11
1.9
WNW
11
1.7
WNW
10
1.5
W
10
1.4
W
10
1
W
9
1.6
W
9
Wave Graph
Metric surfscale
Energy kJ
71
62
35
51
65
188
208
356
216
557
338
541
470
397
506
1029
1230
1126
862
659
459
377
180
413
Wind (km/h)
10
S
10
SSE
10
S
15
S
15
SSE
15
S
15
S
25
WSW
20
SW
25
W
25
W
25
W
25
WNW
25
WNW
25
WNW
25
WNW
25
NW
20
NW
15
WNW
15
W
20
WSW
20
SW
20
SW
20
SSW
Wind State
cross
cross-off
cross
cross
cross-off
cross
cross
cross-on
cross-on
on
on
on
on
on
cross-on
cross-on
cross-on
cross-on
cross-on
on
on
cross-on
cross-on
cross-on
High Tide
8:22AM3.45m
8:36PM3.55m
8:54AM3.32m
9:10PM3.24m
9:28AM3.12m
9:45PM2.92m
Low Tide
2:07AM0.06m
2:16PM0.19m
2:38AM0.27m
2:51PM0.39m
3:09AM0.52m
3:28PM0.65m
cloud
clear
part cloud
part cloud
light rain
light rain
light rain
light rain
clear
rain showers
rain showers
rain showers
rain showers
rain showers
rain showers
part cloud
cloud
cloud
cloud
part cloud
cloud
cloud
cloud
light rain
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
7:01
7:03
7:05
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
7:52
7:50
7:47
 mm
4
4
1
1
1
1
1
1
1
1
2
Temp °C
15
16
15
17
16
17
16
16
14
13
13
14
14
15
13
13
13
13
12
13
13
15
14
13
Feels °C
15
16
14
15
15
16
14
12
11
8
8
9
10
10
8
8
8
9
8
10
8
11
10
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.


Nearest locationNearest