Trá Na Rosan Surf Break

Trá Na Rosan Surf Forecast and Surf Report

Lat Long: 55.23° N 7.82° W

Issued: 12 am 18 Jun 2026 (local time)

Forecast update in  hr  min

Today's Trá Na Rosan sea temperature is
13.4° C

1.0°C warmer than normal for this time of year

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 18 Jun 2026:

  • Best quality surf: Thursday 18 Jun, 7AM (local time) - 4ft (1.2m), 10s period, W swell with offshore winds.
  • Most powerful swell: Thursday 18 Jun, 7AM (local time) - 4ft (1.2m), 10s period, W swell with 267 kJ wave energy.
  • Next surfable swell (1★+): Thursday 18 Jun, 7AM (local time) - 4ft (1.2m), 10s period with W 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 Thursday (Jun 18) at 7AM. The primary swell is predicted to be 1.2m and 10s period. The wind is predicted to be offshore as the swell arrives.

The most powerful waves expected at Trá Na Rosan in the next 16 days are 1.2m 10s and forecast to arrive on Thursday (Jun 18) at 7AM. Winds are predicted to be offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.3m 3s period and expected on Thursday (Jun 18) at 10AM.

Wave TypeTime (IST) & Date Wave Height & Period
Next good surf (1 star+) 7AM (Thu 18th Jun)4ft (1.2m) 10s
Best Surf 7AM (Thu 18th Jun)4ft (1.2m) 10s
Most Powerful 7AM (Thu 18th Jun)4ft (1.2m) 10s

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


Updates in  hr  min  s Forecast update imminent

Short Range Forecast

Moderate rain (total 19mm), heaviest on Thu night. Very mild (max 16°C on Thu morning, min 11°C on Wed night). Wind will be generally light.

Days 4-6 Weather Summary

Mostly dry. Very mild (max 17°C on Tue morning, min 12°C on Sat night). Wind will be generally light.

Thursday
18
Friday
19
Saturday
20
Sunday
21
Monday
22
Tuesday
23
Wednesday
24
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
Rating
(10 max)
1
0
0
1
0
0
0
0
0
0
0
1
1
0
0
0
0
1
0
0
1
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
1.1
W
10
1.1
W
9
0.9
WNW
9
0.8
W
8
0.7
WNW
8
0.6
W
7
0.4
NW
7
0.7
W
5
0.7
WNW
7
0.6
NW
7
0.8
NW
7
0.8
WNW
7
0.7
NW
8
0.6
WNW
7
0.6
WNW
7
0.8
W
7
1.1
W
9
0.8
W
8
0.8
WNW
10
0.9
WNW
10
0.8
WNW
9
Wave Graph
Metric surfscale
Energy kJ
226
202
129
86
65
38
12
25
40
38
55
68
57
35
34
56
189
88
128
140
108
Wind (km/h)
25
SSE
10
W
5
WNW
10
S
10
WNW
15
S
20
W
25
W
10
SW
5
NE
20
NNE
10
ESE
5
W
10
NW
5
SSW
10
WSW
15
WNW
5
E
10
ENE
25
NE
10
SE
Wind State
off
cross
cross-on
cross-off
cross-on
cross-off
cross
cross
cross-off
cross
cross-on
cross-off
glassy
cross-on
cross-off
cross
cross-on
cross-off
cross
cross
cross-off
High Tide
9:13AM3.12m
9:38PM3.54m
10:05AM2.94m
10:30PM3.39m
10:59AM2.74m
11:25PM3.18m
11:56AM2.58m
00:24AM2.97m
12:59PM2.48m
1:26AM2.79m
2:05PM2.45m
2:30AM2.66m
3:10PM2.50m
3:32AM2.62m
Low Tide
3:09PM0.20m
3:54AM0.24m
3:59PM0.34m
4:50AM0.42m
4:52PM0.51m
5:47AM0.60m
5:50PM0.70m
6:48AM0.75m
6:54PM0.86m
7:50AM0.85m
8:03PM0.96m
8:50AM0.89m
9:11PM0.98m
light rain
light rain
mod rain
light rain
light rain
rain showers
clear
clear
clear
clear
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
clear
clear
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
4:48
4:48
4:50
4:50
4:50
4:50
4:50
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
10:14
10:15
10:15
10:15
10:15
10:15
10:15
 mm
1
1
10
1
4
1
Temp °C
16
13
12
14
13
13
13
13
13
13
14
15
16
16
16
17
17
16
20
23
22
Feels °C
14
11
11
14
11
12
9
8
11
9
10
12
16
15
15
15
15
15
18
21
22
Swell 1
Height (m)
Direction
Period (s)
1.1
W
10
1.1
W
9
0.9
WNW
9
0.8
W
8
0.7
WNW
8
0.6
W
7
0.4
NW
7
0.4
NW
7
0.7
WNW
7
0.6
NW
7
0.8
NW
7
0.8
WNW
7
0.7
NW
8
0.6
WNW
7
0.6
WNW
7
0.8
W
7
0.1
N
7
0.8
W
8
0.8
WNW
10
0.9
WNW
10
0.8
WNW
9
Energy kJ
226
202
129
86
65
38
12
12
40
38
55
68
57
35
34
56
1
88
128
140
108
Swell 2
Height (m)
Direction
Period (s)
0.1
N
9
0.2
WNW
8
0.3
W
8
0.3
W
7
0.1
N
8
0.5
W
6
0.1
W
11
0.1
W
10
0.1
W
10
0.2
WNW
9
0.2
WNW
11
0.1
N
7
Energy kJ
2
6
10
9
1
20
2
2
2
8
13
1
Swell 3
Height (m)
Direction
Period (s)
0.1
N
9
0.1
N
9
0.1
N
8
0.1
N
10
0.1
N
10
0.1
N
9
0.1
N
7
0.1
N
7
Energy kJ
1
2
1
2
2
2
1
1
Wind waves
Height (m)
Direction
Period (s)
0.3
S
3
0.5
W
5
0.7
W
5
1.1
W
9
Energy kJ
1
10
25
189
Nearest Offshore or Glassy
Rating
(10 max)
1
2
1
1
1
1
1
1
1
1
1
1
1
1
1
1
2
1
1
1
1
Distance (km)
0
18
18
0
18
2
128
589
8
13
29
0
0
23
32
18
23
0
2
29
0
Best forecast wave conditions in Donegal
Rating
(10 max)
1
2
2
1
1
1
1
1
1
1
1
1
1
1
2
1
1
2
1
Best forecast wave conditions in Ireland
Rating
(10 max)
2
2
2
1
1
1
1
1
1
1
1
1
1
1
1
2
1
2
2
1
Header Global
Rating
(10 max)
4
9
5
6
8
4
4
5
9
9
7
5
6
7
5
5
8
9
9
9
5
  • 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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