Rossnowlagh Surf Break

Lat Long: 54.57° N 8.23° W

Rossnowlagh 48 hour detailed Surf Forecast

Issued: 6 pm 11 Oct 2026 (local time)

Forecast update in  hr  min

Today's Rossnowlagh sea temperature is
14.5°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 (12 Oct):

  • Afternoon surf: Afternoon surf (12 Oct, local time) - 2.5ft (0.8m), 10s period with W swell.
  • Evening surf: Evening surf (12 Oct, local time) - 2ft (0.6m), 10s period with W swell.

The current surf forecast for Rossnowlagh at 12AM is: 0.5m 10s primary swell from a West direction and 0.4m 9s secondary swell from a Northwest direction (forecast issued at 06:00pm October 11). An open ocean swell of 0.6m 3s is not directed at the surf break. The wind direction is predicted to be cross-offshore.

Time (IST) & DateWave HeightWave Period
Morning (12 Oct)--
Afternoon (12 Oct)2.5ft (0.8m)10s
Evening (12 Oct)2ft (0.6m)10s

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


Short Range Forecast

Light rain (total 6mm), mostly falling on Mon night. Very mild (max 17°C on Mon afternoon, min 10°C on Tue night). Winds increasing (calm on Mon morning, strong winds from the SSW by Wed morning).

Sun
11
Monday
12
Tuesday
13
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
2
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
0.8
W
10
0.7
W
10
0.6
W
9
0.5
W
10
0.4
WNW
10
0.4
WSW
12
0.5
W
12
0.5
W
12
0.5
W
12
0.5
W
11
1.2
SSW
5
1.5
WSW
11
1.3
WSW
11
1.2
W
11
1.6
W
9
2.2
W
9
2.2
W
9
1.8
W
10
1.9
W
13
Wave Graph
Metric surfscale
Energy kJ
138
104
64
48
32
47
69
71
67
66
56
512
415
319
449
770
792
587
1154
Wind (km/h)
20
SE
25
ESE
25
ESE
25
SE
15
SE
10
SE
5
S
10
S
20
SSE
35
S
30
SW
20
SW
20
WSW
15
SW
25
SW
35
WSW
25
W
15
SW
15
S
Wind State
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
glassy
cross
cross-off
cross
cross-on
cross-on
cross-on
cross-on
cross-on
on
on
cross-on
cross
High Tide
6:59PM3.69m
7:19AM3.56m
7:32PM3.54m
7:50AM3.50m
8:05PM3.32m
Low Tide
1:03AM0.04m
1:17PM0.16m
1:32AM0.17m
1:51PM0.27m
part cloud
part cloud
cloud
cloud
cloud
cloud
part cloud
cloud
part cloud
cloud
light rain
light rain
part cloud
clear
rain showers
rain showers
part cloud
part cloud
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
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—
—
—
—
7:54
—
—
—
—
—
—
—
7:56
—
—
—
—
—
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:45
—
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—
—
—
—
—
6:43
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—
—
—
—
—
6:39
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 mm
—
—
—
—
—
—
—
—
—
—
3
1
—
—
1
1
—
—
—
Temp °C
13
12
13
14
14
14
14
16
15
17
16
13
12
12
12
13
13
12
11
Feels °C
8
7
8
10
12
14
14
16
12
12
11
9
8
9
7
6
8
8
8
  • 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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