Rossnowlagh Surf Break

Rossnowlagh 48 hour detailed Surf Forecast

Lat Long: 54.57° N 8.23° W

Issued: 12 pm 18 Jun 2026 (local time)

Forecast update in  hr  min

Today's Rossnowlagh sea temperature is
14.3° C

1.5°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 (18 Jun):

  • Morning surf: Morning surf (18 Jun, local time) - 3ft (0.9m), 10s period with W swell.
  • Afternoon surf: Afternoon surf (18 Jun, local time) - 3ft (0.9m), 9s period with W swell.
  • Evening surf: Evening surf (18 Jun, local time) - 2.5ft (0.8m), 9s period with W swell.

The current surf forecast for Rossnowlagh at 8PM is: 0.8m 9s primary swell from a West direction (forecast issued at 12:00pm June 18). The wind direction is predicted to be glassy.

Time (IST) & DateWave HeightWave Period
Morning (18 Jun)3ft (0.9m)10s
Afternoon (18 Jun)3ft (0.9m)9s
Evening (18 Jun)2.5ft (0.8m)9s

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


Updates in  hr  min  s Forecast update imminent

Short Range Forecast

Moderate rain (total 15mm), heaviest on Thu afternoon. Very mild (max 16°C on Thu morning, min 11°C on Fri night). Wind will be generally light.

Thu
18
Friday
19
Saturday
20
Sun
21
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
1 AM
4 AM
7 AM
Rating
(10 max)
1
0
0
1
1
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
Wave
Height (m)
Direction
Period (s)
0.9
W
10
0.9
W
9
0.8
W
9
0.8
W
9
0.8
W
9
0.7
W
9
0.7
W
8
0.7
W
8
0.7
W
8
0.7
W
8
0.5
W
8
0.5
W
8
0.5
W
8
0.5
W
8
0.4
W
8
0.4
W
8
0.3
W
8
0.3
W
7
0.4
WNW
5
0.3
NW
7
0.4
WNW
7
0.4
W
7
0.4
NW
7
0.4
NW
7
Wave Graph
Metric surfscale
Energy kJ
143
134
106
106
101
74
69
66
64
63
33
32
30
29
18
19
10
9
7
7
19
15
11
11
Wind (km/h)
15
SSE
15
S
5
WSW
0
ESE
5
SE
15
S
15
W
10
WNW
5
WSW
10
W
5
W
5
W
10
W
10
WSW
10
SW
10
WSW
15
WSW
15
W
15
W
15
W
5
WNW
0
WNW
5
ESE
5
E
Wind State
cross-off
cross
cross-on
glassy
glassy
cross
on
on
glassy
on
on
on
on
cross-on
cross-on
cross-on
cross-on
on
on
on
on
glassy
glassy
glassy
High Tide
8:59AM3.19m
9:20PM3.82m
9:51AM3.01m
10:12PM3.68m
10:46AM2.83m
11:06PM3.48m
Low Tide
2:45PM0.28m
3:38AM0.25m
3:34PM0.44m
4:34AM0.43m
4:26PM0.64m
5:32AM0.61m
cloud
cloud
light rain
light rain
light rain
light rain
light rain
light rain
rain showers
cloud
light rain
light rain
rain showers
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
4:56
4:56
4:56
4:56
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
10:10
10:12
10:12
10:12
 mm
3
1
1
1
3
2
1
1
1
1
Temp °C
15
16
15
15
15
16
14
12
13
15
15
14
13
12
11
12
13
15
15
14
13
12
11
11
Feels °C
14
15
15
16
15
15
12
11
13
14
14
13
12
11
9
10
10
12
12
11
12
12
10
10
Swell 1
Height (m)
Direction
Period (s)
0.9
W
10
0.9
W
9
0.8
W
9
0.8
W
9
0.8
W
9
0.7
W
9
0.7
W
8
0.7
W
8
0.7
W
8
0.7
W
8
0.5
W
8
0.5
W
8
0.5
W
8
0.5
W
8
0.4
W
8
0.4
W
8
0.3
W
8
0.3
W
7
0.4
WNW
5
0.3
WNW
4
0.4
WNW
7
0.4
W
7
0.4
NW
7
0.4
NW
7
Energy kJ
143
134
106
106
101
74
69
66
64
63
33
32
30
29
18
19
10
9
7
3
19
15
11
11
Swell 2
Height (m)
Direction
Period (s)
0.2
S
3
0.3
WNW
7
0.4
NW
7
0.2
WNW
8
0.2
WNW
8
0.2
WNW
7
0.2
WNW
7
0.2
WNW
7
0.2
WNW
7
0.2
WNW
7
0.3
NW
7
0.2
W
7
0.4
NW
7
0.3
W
7
0.3
W
7
Energy kJ
1
11
14
6
6
5
5
5
5
5
7
4
12
8
8
Swell 3
Height (m)
Direction
Period (s)
0.2
W
7
0.2
W
7
0.1
W
9
0.1
W
9
Energy kJ
4
4
2
2
Wind waves
Height (m)
Direction
Period (s)
0.4
S
3
0.3
S
3
0.4
W
3
0.5
W
4
0.5
W
4
0.4
W
5
Energy kJ
3
2
4
6
8
7
Nearest Offshore or Glassy
Rating
(10 max)
1
1
2
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
Distance (km)
0
8
28
0
0
21
73
57
9
28
65
65
66
57
57
58
57
313
234
294
65
34
34
34
Best forecast wave conditions in Donegal
Rating
(10 max)
1
1
2
1
1
2
1
1
1
1
1
1
1
1
1
1
1
1
1
Best forecast wave conditions in Ireland
Rating
(10 max)
2
2
2
2
1
1
2
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
Header Global
Rating
(10 max)
9
9
5
5
5
5
5
6
6
7
5
4
7
6
5
5
4
5
5
5
5
9
9
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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