Rossnowlagh Surf Break

Lat Long: 54.57° N 8.23° W

Rossnowlagh 48 hour detailed Surf Forecast

Issued: 6 am 04 Oct 2026 (local time)

Forecast update in  hr  min

Today's Rossnowlagh sea temperature is
15.0°C
2.0° 

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 (04 Oct):

  • Morning surf: Morning surf (04 Oct, local time) - 4ft (1.2m), 10s period with W swell.
  • Afternoon surf: Afternoon surf (04 Oct, local time) - 4.5ft (1.3m), 10s period with W swell.
  • Evening surf: Evening surf (04 Oct, local time) - 5ft (1.6m), 11s period with W swell.

The current surf forecast for Rossnowlagh at 1PM is: 1.3m 10s primary swell from a West direction and 0.6m 4s secondary swell from a South-southwest direction (forecast issued at 06:00am October 04). The wind direction is predicted to be cross-onshore.

Time (IST) & DateWave HeightWave Period
Morning (04 Oct)4ft (1.2m)10s
Afternoon (04 Oct)4.5ft (1.3m)10s
Evening (04 Oct)5ft (1.6m)11s

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


Short Range Forecast

Light rain (total 3mm), mostly falling on Sun afternoon. Very mild (max 17°C on Sun morning, min 10°C on Tue night). Wind will be generally light.

Sunday
4
Monday
5
Tuesday
6
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
Rating
(10 max)
1
1
0
0
0
0
0
0
0
0
0
0
1
2
2
2
2
1
1
0
0
1
1
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)
1.2
WNW
10
1.2
W
10
1.2
W
10
1.3
W
10
1.3
W
10
1.4
WNW
10
1.7
W
12
1.8
W
12
1.8
W
12
1.8
W
12
1.9
W
11
1.8
W
11
1.8
W
11
1.7
WNW
11
1.6
WNW
11
1.8
WNW
12
1.7
WNW
12
1.6
WNW
11
1.5
WNW
11
1.4
WNW
10
1.4
WNW
10
1.4
WNW
10
1.3
WNW
10
Wave Graph
Metric surfscale
Energy kJ
318
314
314
346
332
410
827
957
926
880
866
736
734
685
657
843
729
593
496
377
363
356
307
Wind (km/h)
10
S
15
S
15
SSW
20
SW
15
SSW
20
SW
20
SSW
25
SW
20
SW
25
WSW
20
SW
20
SW
15
W
10
NW
5
NW
5
WNW
5
WNW
5
NW
5
NW
10
NW
15
NW
10
NNW
5
NNW
Wind State
cross
cross
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
on
cross-on
cross-on
cross-on
on
cross-on
cross-on
cross-on
cross-on
cross-on
cross
High Tide
12:38PM2.81m
1:39AM2.43m
2:12PM2.92m
3:08AM2.57m
3:27PM3.17m
Low Tide
7:18PM1.06m
7:35AM1.19m
8:59PM0.87m
9:03AM1.01m
cloud
cloud
cloud
cloud
cloud
light rain
cloud
cloud
cloud
cloud
cloud
cloud
light rain
light rain
cloud
cloud
cloud
cloud
clear
part cloud
part cloud
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
—
7:39
—
—
—
—
—
—
—
7:41
—
—
—
—
—
—
—
7:43
—
—
—
—
—
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
—
—
—
—
—
7:01
—
—
—
—
—
—
—
7:00
—
—
—
—
—
—
6:58
—
—
 mm
—
—
—
—
—
1
—
—
—
—
—
—
1
1
—
—
—
—
—
—
—
—
—
Temp °C
12
13
15
17
16
16
16
16
17
16
15
15
14
12
11
11
11
11
12
13
12
11
10
Feels °C
10
11
13
15
14
14
14
13
14
13
12
13
12
11
10
9
9
10
10
10
8
8
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
How to use the Wavefinder 

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