Rossnowlagh surf break

Rossnowlagh surfForecast / Donegal / Ireland

information circle48hr Weather and Surf, issued 6 am Monday 11 May 2026 IST
Forecast update in hr  min  s Forecast update imminent
Rossnowlagh surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Rossnowlagh sea temperature is
11.7° C
(Which is 1.0°C warmer than normal for this time of year)

How big are the waves at Rossnowlagh today?

The current surf forecast for Rossnowlagh at 10AM is: 0.9m 8s primary swell from a Northwest direction and 0.2m 9s secondary swell from a West direction (forecast issued at 06:00am May 11). The wind direction is predicted to be cross-shore.

Time (IST) & DateWave HeightWave Period
Morning (11 May)3ft (0.9m)8s
Afternoon (11 May)3.5ft (1.0m)8s
Evening (11 May)3.5ft (1.0m)9s

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


Updates in  hr  min  s Forecast update imminent

Short Range Forecast

Light rain (total 8mm), mostly falling on Tue night. Very mild (max 12°C on Mon morning, min 8°C on Tue night). Winds increasing (light winds from the W on Mon night, strong winds from the WNW by Tue night).

Monday
11
Tuesday
12
Wednesday
13
Thu
14
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
1 AM
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
1
0
Swell
Height Map
Height MapHeight MapHeight Map
Height MapHeight MapHeight Map
Height MapHeight MapHeight Map
Height MapHeight MapHeight Map
Wave
Height (m)
Direction
Period (s)
1.1
NW
6
1.1
NW
7
0.9
NW
8
0.9
NW
8
1
NW
8
1
WNW
9
1
WNW
9
1.2
WNW
9
1.4
WNW
9
1.6
WNW
7
1.7
WNW
8
1.8
WNW
8
1.9
WNW
9
2.3
WNW
10
2.5
WNW
10
3
WNW
10
3.5
WNW
11
3
WNW
11
3
WNW
12
3
WNW
12
3
WNW
12
3
WNW
11
2.5
WNW
11
2.3
NW
11
Wave Graph
Metric surfscale
Energy kJ
80
115
101
109
138
161
161
227
301
216
344
468
611
1024
1329
1882
2445
2643
2755
2418
2417
2128
1421
1190
Wind (km/h)
20
NW
15
N
20
N
20
NNW
20
NW
15
NW
15
W
20
W
25
WNW
25
WNW
30
WNW
30
WNW
35
W
35
W
35
W
40
WNW
40
WNW
35
NW
35
NW
40
NW
40
NNW
35
NNW
30
NNW
25
NNW
cross-on
cross
cross
cross-on
cross-on
cross-on
on
on
cross-on
cross-on
cross-on
on
on
on
on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross
cross
High Tide
2:19PM2.40m
2:30AM2.92m
3:18PM2.63m
3:23AM3.12m
4:07PM2.91m
Low Tide
8:14AM1.07m
8:08PM1.20m
9:08AM0.81m
9:09PM1.02m
9:54AM0.53m
10:01PM0.78m
cloud
part cloud
part cloud
clear
clear
cloud
cloud
cloud
part cloud
clear
clear
clear
clear
cloud
rain showers
rain showers
light rain
rain showers
rain showers
rain showers
rain showers
rain showers
part cloud
cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:35
5:33
5:31
5:30
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
9:23
9:24
9:27
9:29
1
1
1
1
1
1
1
1
Temp °C
10
9
10
12
11
10
9
9
10
9
10
11
11
10
10
8
8
8
9
10
10
9
9
9
6
5
5
7
5
6
6
4
5
4
3
4
3
2
2
-1
-1
0
1
1
1
1
2
3
Swell 1
Height (m)
Direction
Period (s)
0.2
W
9
0.2
W
9
0.9
NW
8
0.2
W
9
0.1
W
14
1
WNW
9
1
WNW
9
0.1
W
19
Energy kJ
6
6
101
6
4
161
161
7
Swell 2
Height (m)
Direction
Period (s)
0.2
W
9
0.2
WNW
10
0.1
W
9
0.2
W
14
Energy kJ
6
11
2
15
Swell 3
Height (m)
Direction
Period (s)
0.1
W
15
0.1
W
14
Energy kJ
4
4
Wind waves
Height (m)
Direction
Period (s)
1.1
NW
6
1.1
NW
7
0.9
NW
8
1
NW
8
1.2
WNW
9
1.4
WNW
9
1.6
WNW
7
1.7
WNW
8
1.8
WNW
8
1.9
WNW
9
2.3
WNW
10
2.5
WNW
10
3
WNW
10
3.5
WNW
11
3
WNW
11
3
WNW
12
3
WNW
12
3
WNW
12
3
WNW
11
2.5
WNW
11
2.3
NW
11
Energy kJ
80
115
109
138
227
301
216
344
468
611
1024
1329
1882
2445
2643
2755
2418
2417
2128
1421
1190
Nearest Offshore or Glassy
Rating
(10 max)
3
2
1
1
1
2
2
1
1
1
1
1
1
2
1
1
4
4
1
1
2
1
1
2
Distance (km)
425
406
184
182
383
71
114
278
278
278
508
533
524
279
438
439
475
475
1201
1062
1269
1061
1059
571
Best forecast wave conditions in Donegal
Rating
(10 max)
2
Best forecast wave conditions in Ireland
Rating
(10 max)
2
2
1
1
1
2
Header Global
Rating
(10 max)
8
6
5
4
5
5
5
9
9
6
9
9
9
9
9
8
9
9
9
7
6
5
9
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

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