Rossnowlagh Surf Break

Rossnowlagh 48 hour detailed Surf Forecast

Lat Long: 54.57° N 8.23° W

Issued: 6 pm 20 Jun 2026 (local time)

Forecast update in  hr  min

Today's Rossnowlagh sea temperature is
14.5° C

1.6°C warmer than normal for this time of year

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 (21 Jun):

  • Morning surf: Morning surf (21 Jun, local time) - 1.5ft (0.5m), 6s period with WNW swell.
  • Afternoon surf: Afternoon surf (21 Jun, local time) - 1.5ft (0.4m), 7s period with NW swell.
  • Evening surf: Evening surf (21 Jun, local time) - 1.5ft (0.5m), 7s period with WNW swell.

The current surf forecast for Rossnowlagh at 12AM is: 0.4m 6s primary swell from a West direction and 0.4m 6s secondary swell from a Northwest direction (forecast issued at 06:00pm June 20). The wind direction is predicted to be glassy.

Time (IST) & DateWave HeightWave Period
Morning (21 Jun)1.5ft (0.5m)6s
Afternoon (21 Jun)1.5ft (0.4m)7s
Evening (21 Jun)1.5ft (0.5m)7s

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


Updates in  hr  min  s Forecast update imminent

Short Range Forecast

Mostly dry. Warm (max 22°C on Mon afternoon, min 11°C on Sat night). Wind will be generally light.

Sat
20
Sunday
21
Monday
22
Tue
23
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
1 AM
4 AM
7 AM
10 AM
1 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)
0.4
W
7
0.5
W
6
0.5
W
6
0.4
W
7
0.5
WNW
6
0.5
WNW
6
0.5
WNW
6
0.4
NW
7
0.4
NW
7
0.5
NW
7
0.5
WNW
7
0.5
WNW
7
0.4
WNW
7
0.4
WNW
7
0.4
WNW
7
0.4
WNW
7
0.4
NW
7
0.4
NW
7
0.4
NW
7
0.4
NW
6
0.3
WNW
6
0.2
W
9
0.2
W
9
0.2
W
9
Wave Graph
Metric surfscale
Energy kJ
15
20
20
14
24
23
23
13
16
23
27
28
19
19
18
18
11
11
11
10
8
7
6
6
Wind (km/h)
15
W
10
WNW
5
NW
0
NNE
5
E
5
E
5
ESE
0
WSW
0
SE
0
ESE
10
ESE
10
ESE
10
ESE
5
ESE
10
E
10
SSE
5
WSW
5
SSW
0
WSW
0
W
5
SSW
5
SW
5
WSW
10
W
Wind State
on
on
cross-on
glassy
off
off
glassy
glassy
glassy
glassy
off
off
off
off
off
cross-off
on
glassy
glassy
glassy
glassy
glassy
on
on
High Tide
11:06PM3.48m
11:43AM2.68m
00:02AM3.24m
12:44PM2.60m
1:01AM3.02m
Low Tide
4:26PM0.64m
5:32AM0.61m
5:24PM0.84m
6:33AM0.76m
6:30PM1.02m
7:34AM0.86m
part cloud
clear
clear
clear
clear
clear
clear
part cloud
cloud
part cloud
clear
part cloud
cloud
cloud
cloud
cloud
part cloud
part cloud
part cloud
part cloud
part cloud
cloud
part cloud
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
4:56
4:56
4:56
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
10:12
10:12
10:12
10:13
 mm
Temp °C
15
14
12
11
11
11
15
19
19
19
18
16
14
14
14
19
20
22
20
17
16
16
18
19
Feels °C
12
11
10
10
10
9
14
18
18
19
17
15
12
12
12
17
19
22
21
18
16
16
17
18
Swell 1
Height (m)
Direction
Period (s)
0.4
WNW
6
0.5
W
6
0.5
W
6
0.4
W
7
0.5
WNW
6
0.5
WNW
6
0.5
WNW
6
0.4
WNW
6
0.4
NW
7
0.5
NW
7
0.5
WNW
7
0.5
WNW
7
0.4
WNW
7
0.4
WNW
7
0.4
WNW
7
0.4
WNW
7
0.4
NW
7
0.4
NW
7
0.4
NW
7
0.4
NW
6
0.3
WNW
6
0.2
WNW
6
0.2
WNW
6
0.2
WNW
6
Energy kJ
15
20
20
14
24
23
23
13
16
23
27
28
19
19
18
18
11
11
11
10
8
4
4
4
Swell 2
Height (m)
Direction
Period (s)
0.4
W
7
0.3
NW
7
0.3
NW
7
0.4
NW
6
0.1
W
9
0.1
W
9
0.4
NW
7
0.3
W
6
0.3
W
6
0.1
W
8
0.1
W
8
0.1
W
8
0.1
W
8
0.1
W
8
0.1
W
8
0.1
W
10
0.1
W
10
0.1
W
10
0.1
W
10
0.1
W
9
0.2
W
9
0.2
W
9
0.2
W
9
Energy kJ
15
7
7
10
2
2
11
7
7
1
1
1
1
1
1
2
2
2
2
2
7
6
6
Swell 3
Height (m)
Direction
Period (s)
0.1
W
10
0.1
W
8
0.1
W
8
0.1
W
12
0.1
W
11
0.1
W
11
0.1
W
11
0.1
W
11
0.1
W
8
0.1
W
8
0.1
W
7
0.1
W
7
0.1
W
7
0.1
W
7
0.1
N
9
0.1
N
9
Energy kJ
2
1
1
3
3
2
2
2
1
1
1
1
1
1
2
2
Wind waves
Height (m)
Direction
Period (s)
Energy kJ
Nearest Offshore or Glassy
Rating
(10 max)
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
Distance (km)
426
73
34
34
34
23
23
23
69
28
23
23
23
34
34
34
37
34
34
34
34
34
57
73
Best forecast wave conditions in Donegal
Rating
(10 max)
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
Best forecast wave conditions in Ireland
Rating
(10 max)
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
Header Global
Rating
(10 max)
5
5
5
9
9
9
8
8
7
7
7
6
6
6
7
7
5
5
5
5
5
6
5
5
  • 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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