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Surf Forecasts:

Rossnowlagh surf break

Rossnowlagh surfForecast / Donegal / Ireland

information circle48hr Weather and Surf, issued 11 am Wednesday 18 Mar 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
7.9° C
 (Which is 1.2°C colder than average for this time of year)

How big are the waves at Rossnowlagh today?

The current surf forecast for Rossnowlagh at 7PM is: 2.0m 13s primary swell from a West direction (forecast issued at 11:00am March 18). The wind direction is predicted to be cross-offshore and the swell rating is 4.

Time (IST) & DateWave HeightWave Period
Morning (18 Mar)8ft (2.4m)16s
Afternoon (18 Mar)7.5ft (2.3m)14s
Evening (18 Mar)6ft (1.9m)13s

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

Updates in  hr  min  s Forecast update imminent 
16 DaysHourly
Print Table
Wednesday
18
Thursday
19
Friday
20
Saturday
21
9 AM12 PM3 PM6 PM9 PM0 AM3 AM6 AM9 AM12 PM3 PM6 PM9 PM0 AM3 AM6 AM9 AM12 PM3 PM6 PM9 PM0 AM3 AM6 AM
Rating
(10 max)
4
4
4
4
3
3
3
3
3
2
2
2
2
2
1
1
1
1
1
2
3
4
4
4
Swell
Height Map
See all maps
Wave Height (m) & direction (?)
2.4
W
2.3
W
2.3
W
2.1
W
1.9
WNW
1.8
WNW
1.7
WNW
1.6
WNW
1.6
WNW
1.5
WNW
1.4
WNW
1.2
WNW
1.1
WNW
1.1
WNW
1
W
0.9
WNW
0.9
WNW
0.9
WNW
0.9
WNW
1.2
WNW
0.9
WNW
1.8
WNW
2
WNW
2.1
WNW
Period(s) (?)161514141313131213121212121211111111131315151515
Wave
Graph
(?)Metric surfscale
Energy kJ (?)282723112127163312881127980833750650540432355343251198194187307507361149219071902
Wind
(km/h)
5
E
5
E
5
NE
5
NE
10
NNE
10
ENE
10
ENE
10
E
10
E
10
ESE
5
SSE
5
S
5
SE
5
SE
5
SSE
5
SSE
5
SE
5
SW
5
W
5
NW
5
NW
0
N
0
N
0
E
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
offoffglasscross-
off		cross-
off		offoffoffoffcross-
off		cross-
off		glasscross-
off		cross-
off		glassglassglasscross-
on		onglassglassglassglassglass
High Tide
/ height (m)
5:37PM
3.37
5:47AM
3.87
6:11PM
3.53
6:21AM
3.95
6:45PM
3.61
Low Tide
/ height (m)
11:27AM
0.08
11:29PM
0.17
11:59AM
-0.09
12:04AM
0.04
12:32PM
-0.17
12:40AM
-0.01
Wednesday
18
Thursday
19
Friday
20
Saturday
21
Sunrise6:41-------6:39-------6:35-------
Sunset---6:40-------6:43-------6:45----
cloud
cloud
cloud
cloud
part cloud
clear
clear
clear
clear
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
clear
clear
Rain (mm)
------------------------
Temp. °C7101098877811141412119881213119876
Feels °C (?)588754335812131110876101197654
  • 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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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.

View detailed surf forecast for Rossnowlagh at:
surf-forecast.com

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