Rossnowlagh Surf Break

Lat Long: 54.57° N 8.23° W

Rossnowlagh 48 hour detailed Surf Forecast

Issued: 12 pm 14 Sep 2026 (local time)

Forecast update in  hr  min

Today's Rossnowlagh sea temperature is
15.7°C
1.8° 

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) - 2.5ft (0.7m), 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 (1.3m), 10s period with WSW swell.

The current surf forecast for Rossnowlagh at 3PM is: 0.9m 11s primary swell from a West direction and 0.1m 13s secondary swell from a Northwest direction, 0.4m 3s secondary swell from a South direction (forecast issued at 12:00pm September 14). The wind direction is predicted to be cross-shore.

Time (IST) & DateWave HeightWave Period
Morning (14 Sep)2.5ft (0.7m)8s
Afternoon (14 Sep)3ft (0.9m)11s
Evening (14 Sep)4.5ft (1.3m)10s

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


Short Range Forecast

Moderate rain (total 18mm), heaviest on Mon afternoon. Very mild (max 17°C on Mon morning, min 12°C on Tue night). Winds increasing (light winds from the SSE on Mon afternoon, fresh winds from the W by Wed night).

Mon
14
Tuesday
15
Wednesday
16
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
0
0
0
0
0
0
0
0
0
0
0
1
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)
0.7
W
8
0.7
W
8
0.9
W
11
1
W
10
1.3
WSW
10
1.5
W
10
1.6
W
10
2.4
W
8
2.2
W
8
2
W
8
1.6
W
9
1.8
WNW
8
2
WNW
8
2.2
WNW
12
2.2
WNW
11
2
WNW
11
1.7
WNW
11
1.6
W
10
1.4
W
10
1.4
W
10
1.5
W
9
Wave Graph
Metric surfscale
Energy kJ
69
65
188
204
342
400
510
670
643
552
395
356
460
1302
1126
883
672
520
377
347
372
Wind (km/h)
10
SSE
15
S
10
SSE
15
S
30
SW
20
WSW
30
WSW
25
WSW
25
WNW
30
WNW
25
W
25
WNW
25
NW
25
NW
20
WNW
20
WNW
15
W
25
WSW
20
SW
25
SW
25
SW
Wind State
cross-off
cross
cross-off
cross
cross-on
cross-on
on
cross-on
cross-on
cross-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
2:16PM0.19m
2:38AM0.27m
2:51PM0.39m
3:09AM0.52m
3:28PM0.65m
part cloud
light rain
light rain
cloud
rain showers
clear
part cloud
part cloud
rain showers
rain showers
clear
rain showers
rain showers
rain showers
light rain
part cloud
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
1
4
1
2
2
1
1
1
1
2
Temp °C
16
17
16
17
16
14
14
13
14
15
15
13
13
13
13
12
13
13
14
14
14
Feels °C
15
16
16
16
12
11
9
8
10
10
10
8
9
8
9
8
10
8
10
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 

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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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