Trá Na Rosan Surf Break

Lat Long: 55.23° N 7.82° W

Trá Na Rosan 48 hour detailed Surf Forecast

Issued: 12 pm 21 Aug 2026 (local time)

Forecast update in  hr  min

Today's Trá Na Rosan sea temperature is
16.4° C
2.0° 

Trá Na Rosan surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.


How big are the waves at Trá Na Rosan today (21 Aug):

  • Morning surf: Morning surf (21 Aug, local time) - 4.5ft (1.3m), 6s period with NNW swell.
  • Afternoon surf: Afternoon surf (21 Aug, local time) - 4.5ft (1.3m), 6s period with NNW swell.
  • Evening surf: Evening surf (21 Aug, local time) - 3.5ft (1.1m), 6s period with NNW swell.

The current surf forecast for Trá Na Rosan at 6PM is: 1.1m 6s primary swell from a North-northwest direction and 0.3m 7s secondary swell from a West-northwest direction, 0.2m 8s secondary swell from a West direction (forecast issued at 12:00pm August 21). The wind direction is predicted to be onshore.

Time (IST) & DateWave HeightWave Period
Morning (21 Aug)4.5ft (1.3m)6s
Afternoon (21 Aug)4.5ft (1.3m)6s
Evening (21 Aug)3.5ft (1.1m)6s

Table - waves today at Trá Na Rosan. (Swell directed towards the surf break)


Short Range Forecast

Light rain (total 2mm), mostly falling on Fri morning. Very mild (max 15°C on Sat afternoon, min 13°C on Fri morning). Winds decreasing (fresh winds from the N on Fri morning, light winds from the N by Sat morning).

Fri
21
Saturday
22
Sunday
23
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)
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
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)
1.3
NNW
6
1.4
NNW
6
1.3
NNW
6
1.1
NNW
6
1
NNW
6
0.9
NNW
6
0.9
NNW
5
0.9
NNW
5
0.7
NNW
5
0.3
W
9
0.3
W
9
0.4
NNW
5
0.3
NW
5
0.4
NW
5
0.2
W
9
0.3
WNW
9
0.3
WNW
9
0.6
NW
6
0.6
NW
7
0.7
NW
7
0.5
NW
11
Wave Graph
Metric surfscale
Energy kJ
121
139
117
89
67
53
40
39
23
14
14
8
4
7
6
16
16
27
28
44
55
Wind (km/h)
30
NNE
30
N
25
N
25
N
25
N
25
N
20
NNW
20
NNW
5
N
15
NW
15
WNW
15
WNW
15
WNW
10
WSW
10
SW
10
SW
10
SW
10
NW
10
NW
5
NNE
10
E
Wind State
cross-on
on
on
on
cross-on
on
on
on
on
cross-on
cross-on
cross-on
cross-on
cross
cross-off
cross-off
cross-off
on
cross-on
cross-on
cross-off
High Tide
1:14PM2.29m
2:05AM2.16m
3:02PM2.30m
3:46AM2.23m
4:20PM2.48m
Low Tide
7:41PM1.35m
8:20AM1.35m
9:27PM1.31m
9:49AM1.23m
rain showers
light rain
cloud
cloud
cloud
cloud
cloud
cloud
cloud
part cloud
cloud
cloud
clear
clear
clear
part cloud
clear
clear
part cloud
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:15
6:16
6:18
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
8:52
8:50
8:46
 mm
1
1
Temp °C
13
13
13
14
13
14
14
13
14
14
15
15
14
13
13
13
13
14
14
14
14
Feels °C
7
7
7
8
7
9
10
8
12
11
12
12
12
11
11
11
11
12
13
13
12
  • 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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