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Surf Forecasts:

Rossnowlagh surf break

Rossnowlagh surfForecast / Donegal / Ireland

information circle48hr Weather and Surf, issued 5 am Thursday 20 Nov 2025 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
11.6° C
 (Which is slightly warmer than usual)

How big are the waves at Rossnowlagh today?

The current surf forecast for Rossnowlagh at 12PM is: 1.0m 7s primary swell from a Northwest direction and 0.4m 11s secondary swell from a West direction (forecast issued at 05:00am November 20). The wind direction is predicted to be cross-shore.

Time (IST) & DateWave HeightWave Period
Morning (20 Nov)3ft (0.9m)7s
Afternoon (20 Nov)3ft (0.9m)6s
Evening (20 Nov)1.5ft (0.4m)10s

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

Updates in  hr  min  s Forecast update imminent 
12 DaysHourly
Print Table
Thursday
20
Friday
21
Saturday
22
Sun
23
3 AM6 AM9 AM12 PM3 PM6 PM9 PM0 AM3 AM6 AM9 AM12 PM3 PM6 PM9 PM0 AM3 AM6 AM9 AM12 PM3 PM6 PM9 PM0 AM
Rating
(10 max)
0
0
0
0
0
0
0
0
0
0
1
0
0
1
1
1
1
0
0
0
0
1
2
2
Swell
Height Map
See all maps
Wave Height (m) & direction (?)
1.3
NNW
1.2
NNW
0.9
NNW
1
NW
0.9
NW
0.7
NW
0.4
W
0.4
W
0.3
W
0.4
W
0.6
W
0.6
W
0.8
W
0.8
W
0.8
W
0.9
W
1.5
W
1.5
W
1.4
W
1.3
W
1.3
W
1.3
W
1.3
W
1.3
W
Period(s) (?)677766101014141414141313131313131312121212
Wave
Graph
(?)Metric surfscale
Energy kJ (?)1121168185583732323457132138232225219273771759653556497464449441
Wind
(km/h)
20
NNW
20
N
15
N
20
N
20
N
10
N
5
N
0
WSW
5
SSW
10
S
10
SSE
15
S
20
S
20
SSE
10
S
10
W
15
W
20
W
10
WNW
15
W
10
SSW
10
S
10
SSE
15
SSE
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
crosscrosscrosscrosscrosscrossglassglasscrosscrosscross-
off		crosscrosscross-
off		crossonononononcross-
on		crosscross-
off		cross-
off
High Tide
/ height (m)
5:40PM
3.18
5:59AM
3.38
6:13PM
3.11
6:32AM
3.35
6:46PM
3.01
Low Tide
/ height (m)
11:30AM
0.46
11:39PM
0.39
12:04PM
0.46
12:10AM
0.43
12:38PM
0.52
Thursday
20
Friday
21
Saturday
22
Sun
23
Sunrise--8:11-------8:12-------8:15-----
Sunset----4:23-------4:22-------4:22---
part cloud
rain showers
clear
part cloud
part cloud
part cloud
clear
clear
clear
cloud
cloud
cloud
cloud
light rain
light rain
part cloud
part cloud
rain showers
clear
rain showers
cloud
part cloud
cloud
light rain
Rain (mm)
-1-----------35--1-1---1
Temp. °C5556666654445457888109766
Feels °C (?)-2-1-10023320-1-1-1-12444566432
  • 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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FREE! Surf-Forecast.com widget for your website

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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