Trá Na Rosan Surf Break

Lat Long: 55.23° N 7.82° W

Trá Na Rosan Surf Forecast and Surf Report

Issued: 12 am 20 Jul 2026 (local time)

Forecast update in  hr  min

Today's Trá Na Rosan sea temperature is
16.7° C
2.7° 

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


Trá Na Rosan surf forecast from 20 Jul 2026:

  • Most powerful swell: Sunday 26 Jul, 4PM (local time) - 8ft (2.5m), 10s period, WNW swell with 1,159 kJ wave energy.

Best Forecast Surf Conditions for Trá Na Rosan this week:

The most powerful waves expected at Trá Na Rosan in the next 16 days are 2.5m 10s and forecast to arrive on Sunday (Jul 26) at 4PM. Winds are predicted to be onshore at the time the swell arrives.

Wave TypeTime (IST) & Date Wave Height & Period
Next good surf (1 star+)--
Best Surf--
Most Powerful 4PM (Sun 26th Jul)8ft (2.5m) 10s

Table - best surf conditions forecast for Trá Na Rosan over the next 16 days.


Short Range Forecast

Mostly dry. Very mild (max 14°C on Sun night, min 11°C on Tue morning). Wind will be generally light.

Days 4-6 Weather Summary

Light rain (total 2mm), mostly falling on Fri night. Very mild (max 15°C on Thu afternoon, min 13°C on Wed night). Winds increasing (light winds from the WNW on Wed night, fresh winds from the W by Fri night).

Monday
20
Tuesday
21
Wednesday
22
Thursday
23
Friday
24
Saturday
25
Sunday
26
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
Rating
(10 max)
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
0.4
WNW
10
0.9
NNW
6
1
NNW
7
1.1
NNW
6
1
NNW
6
1
NNW
6
1
NNW
7
0.9
NNW
7
0.7
NW
7
0.8
NW
6
1.1
WNW
5
1.5
WNW
7
1.8
WNW
9
1.8
WNW
9
1.9
WNW
9
2.5
WNW
9
2.1
NW
10
2.4
WNW
10
2.5
WNW
9
2.5
WNW
10
1.8
NW
9
Wave Graph
Metric surfscale
Energy kJ
37
64
88
90
73
75
85
70
44
47
66
209
520
486
573
1131
883
1064
1088
1159
563
Wind (km/h)
20
NNW
20
NNW
20
NNW
25
NNW
20
NNW
25
NNW
15
NNW
15
NW
15
NW
15
W
20
W
25
WSW
30
WSW
30
W
40
W
15
WNW
20
W
25
NW
25
NW
25
NW
25
NW
Wind State
on
on
on
on
on
on
on
on
on
cross-on
cross
cross
cross
cross
cross
cross-on
cross-on
cross-on
on
on
on
High Tide
11:10AM2.72m
11:34PM2.95m
12:01PM2.56m
00:26AM2.66m
1:01PM2.43m
1:31AM2.45m
2:15PM2.38m
2:49AM2.35m
3:33PM2.43m
4:04AM2.39m
4:37PM2.57m
5:01AM2.51m
5:26PM2.75m
Low Tide
5:02AM0.52m
5:07PM0.62m
5:49AM0.75m
6:01PM0.87m
6:43AM0.97m
7:07PM1.09m
7:49AM1.11m
8:26PM1.19m
9:02AM1.15m
9:45PM1.16m
10:08AM1.08m
10:47PM1.04m
11:01AM0.94m
11:34PM0.88m
cloud
part cloud
part cloud
part cloud
cloud
cloud
part cloud
part cloud
cloud
clear
clear
part cloud
part cloud
cloud
light rain
cloud
cloud
part cloud
part cloud
part cloud
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:16
5:18
5:20
5:22
5:24
5:24
5:26
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
9:55
9:54
9:52
9:51
9:50
9:47
9:46
 mm
2
Temp °C
12
12
13
11
12
13
13
13
13
14
15
14
15
14
14
14
14
14
14
14
14
Feels °C
8
9
10
7
8
10
11
11
11
12
12
11
10
9
8
11
11
10
9
9
9
  • 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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Information about the Trá Na Rosan Surf forecast

The above surf forecast table for Trá Na Rosan provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Trá Na Rosan can be found by selecting the local surf guide option on the grey menu. Our Trá Na Rosan surf forecast is unique since it includes wave energy (power) that defines the real feel of the surf rather than just the height or the period. If you surf the same spot (Trá Na Rosan) regularly then make a mental note of the wave energy from the surf forecast table each time you go. Very soon you may start to choose your surf days based on the wave energy alone combined with our forecast of favourable offshore wind conditions. Our star ratings will help here and of course you will also find the usual wave height and period predictions on our surf forecasts as well as a full break down of the swell components under our advanced users option (to reveal that, click the little Einstein character under the tide times).

Further information to help with frequently asked questions about our surf forecast for Trá Na Rosan may be found under the help tab on the top menu and also by moving your mouse over the question marks on the surf forecast table itself. Please always bear in mind that the forecast is for near-shore open water and local factors at each surf break influence the actual breaking wave height, such as the beach / reef profile, water depths offshore and shelter.

Are you planning a holiday in Donegal? If you are looking for accommodation near Trá Na Rosan, camping, hotels and holiday cottages in Donegal, consider staying in Letterkenny which is 31 km (19 miles) away. Other places in and around Donegal where you can find information about places to rent, and car hire include Malin Head which is 35 km (22 miles) away, Derry, Derry and Londonderry County Borough.

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