Trá Na Rosan Surf Break

Lat Long: 55.23° N 7.82° W

Trá Na Rosan Surf Forecast and Surf Report

Issued: 6 pm 29 Jul 2026 (local time)

Forecast update in  hr  min

Today's Trá Na Rosan sea temperature is
16.0° C
1.7° 

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 29 Jul 2026:

  • Best quality surf: Sunday 2 Aug, 7AM (local time) - 3ft (0.9m), 8s period, NW swell with glassy winds.
  • Most powerful swell: Thursday 30 Jul, 10AM (local time) - 5ft (1.6m), 8s period, WNW swell with 294 kJ wave energy.
  • Next surfable swell (1★+): Sunday 2 Aug, 7AM (local time) - 3ft (0.9m), 8s period with NW swell.

Best Forecast Surf Conditions for Trá Na Rosan this week:

The surf forecast for Trá Na Rosan over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Sunday (Aug 02) at 7AM. The primary swell is predicted to be 0.9m and 8s period with a secondary swell of 0.6m and 9s. The wind is predicted to be glassy as the swell arrives.

The most powerful waves expected at Trá Na Rosan in the next 16 days are 1.6m 8s and forecast to arrive on Thursday (Jul 30) at 10AM. Winds are predicted to be cross-onshore at the time the swell arrives.

Wave TypeTime (IST) & Date Wave Height & Period
Next good surf (1 star+) 7AM (Sun 2nd Aug)3ft (0.9m) 8s
Best Surf 7AM (Sun 2nd Aug)3ft (0.9m) 8s
Most Powerful10AM (Thu 30th Jul)5ft (1.6m) 8s

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


Short Range Forecast

Light rain (total 2mm), mostly falling on Thu afternoon. Very mild (max 15°C on Wed afternoon, min 13°C on Wed night). Mainly fresh winds.

Days 5-7 Weather Summary

Moderate rain (total 15mm), heaviest on Mon afternoon. Very mild (max 14°C on Sat afternoon, min 12°C on Mon afternoon). Winds increasing (calm on Sun morning, fresh winds from the NE by Mon night).

Wed
29
Thursday
30
Friday
31
Saturday
1
Sunday
2
Monday
3
Tuesday
4
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
1
0
1
0
1
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)
1
WNW
8
1
W
7
1.6
WNW
8
1.4
WNW
7
0.7
NNW
6
0.9
W
7
0.8
W
7
0.7
WNW
7
0.9
WNW
6
1.1
WNW
6
1
NW
7
1
NW
8
0.8
NW
8
0.6
NW
8
0.7
N
8
0.8
N
9
0.8
N
10
1.1
N
6
1
N
6
0.5
N
5
Wave Graph
Metric surfscale
Energy kJ
133
112
294
196
44
74
59
45
53
94
85
111
84
52
69
108
130
80
64
12
Wind (km/h)
20
W
25
W
30
W
25
WSW
15
WSW
20
W
25
W
20
W
25
W
25
W
15
W
0
ESE
15
NE
15
ENE
15
NE
10
SE
25
NE
30
NE
25
NNE
25
N
Wind State
cross
cross
cross-on
cross
cross
cross
cross
cross
cross
cross
cross-on
glassy
cross-on
cross-off
cross
cross-off
cross
cross
cross-on
on
High Tide
7:16PM3.25m
7:28AM2.98m
7:48PM3.35m
8:00AM3.02m
8:19PM3.39m
8:32AM3.02m
8:50PM3.38m
9:04AM2.99m
9:22PM3.31m
9:38AM2.93m
9:56PM3.20m
10:16AM2.83m
10:35PM3.04m
Low Tide
1:23AM0.44m
1:26PM0.31m
1:56AM0.36m
1:57PM0.24m
2:27AM0.31m
2:28PM0.23m
2:58AM0.31m
3:00PM0.28m
3:31AM0.36m
3:35PM0.39m
4:07AM0.45m
4:13PM0.53m
part cloud
part cloud
clear
rain showers
part cloud
rain showers
clear
part cloud
clear
clear
part cloud
part cloud
cloud
cloud
part cloud
light rain
mod rain
light rain
light rain
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:33
5:35
5:37
5:39
5:41
5:43
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
9:40
9:38
9:37
9:36
9:34
9:31
9:30
 mm
1
1
4
9
2
2
Temp °C
15
14
14
14
13
14
14
14
14
14
14
13
14
14
14
12
13
13
13
14
Feels °C
11
10
8
9
9
10
8
10
9
9
11
13
11
10
11
10
9
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)
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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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