Trá Na Rosan Surf Break

Lat Long: 55.23° N 7.82° W

Trá Na Rosan Surf Forecast and Surf Report

Issued: 6 pm 28 Sep 2026 (local time)

Forecast update in  hr  min

Today's Trá Na Rosan sea temperature is
15.1°C
2.0° 

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 28 Sep 2026:

  • Best quality surf: Thursday 1 Oct, 4AM (local time) - 11ft (3.5m), 15s period, WNW swell with offshore winds.
  • Most powerful swell: Thursday 1 Oct, 4AM (local time) - 11ft (3.5m), 15s period, WNW swell with 4,902 kJ wave energy.
  • Next surfable swell (1★+): Thursday 1 Oct, 4AM (local time) - 11ft (3.5m), 15s period with WNW 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 (Oct 01) at 4AM. The primary swell is predicted to be 3.5m and 15s 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 3.5m 15s and forecast to arrive on Thursday (Oct 01) at 4AM. Winds are predicted to be offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.0m 4s period and expected on Wednesday (Sep 30) at 4PM.

Wave TypeTime (IST) & Date Wave Height & Period
Next good surf (1 star+) 4AM (Thu 1st Oct)11ft (3.5m) 15s
Best Surf 4AM (Thu 1st Oct)11ft (3.5m) 15s
Most Powerful 4AM (Thu 1st Oct)11ft (3.5m) 15s

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


Short Range Forecast

Light rain (total 5mm), mostly falling on Tue night. Very mild (max 18°C on Tue night, min 10°C on Wed night). Winds increasing (moderate winds from the SSE on Mon afternoon, near gales from the SE by Tue afternoon).

Days 5-7 Weather Summary

Light rain (total 2mm), mostly falling on Thu afternoon. Very mild (max 16°C on Thu afternoon, min 11°C on Fri night). Winds decreasing (strong winds from the S on Thu afternoon, light winds from the SW by Sat afternoon).

Mon
28
Tuesday
29
Wednesday
30
Thursday
1
Friday
2
Saturday
3
Sunday
4
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
Rating
(10 max)
2
1
0
0
0
0
0
3
3
3
3
2
0
2
1
0
2
2
2
2
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
1.6
WNW
11
1.2
WNW
10
0.9
WNW
10
0.6
W
11
0.4
W
10
0.4
W
11
1
W
12
3
WNW
15
3
WNW
14
2.5
WNW
13
2.1
WNW
12
1.9
WNW
12
1.8
WNW
12
1.7
WNW
11
1.6
WNW
10
1.6
WNW
10
1.6
WNW
11
1.5
WNW
10
1.6
WNW
10
1.5
WNW
9
Wave Graph
Metric surfscale
Energy kJ
551
279
155
93
35
37
297
4213
3721
2288
1311
964
889
638
510
522
560
460
480
360
Wind (km/h)
20
S
30
SE
40
SE
50
SE
35
S
45
SSE
45
S
30
SSW
25
SSE
35
SSE
20
S
15
SSW
30
WSW
15
SSW
15
SSW
20
WSW
15
S
20
SSE
20
S
20
S
Wind State
off
off
cross-off
cross-off
off
off
cross-off
cross-off
off
off
off
cross-off
cross
cross-off
cross-off
cross
off
off
off
off
High Tide
7:50PM3.60m
8:09AM3.40m
8:26PM3.49m
8:46AM3.31m
9:06PM3.28m
9:27AM3.15m
9:51PM2.99m
10:17AM2.93m
10:49PM2.67m
11:25AM2.70m
00:13AM2.40m
1:02PM2.59m
2:03AM2.33m
Low Tide
1:57AM-0.02m
2:10PM0.04m
2:32AM0.10m
2:49PM0.19m
3:11AM0.31m
3:34PM0.41m
3:56AM0.58m
4:29PM0.69m
4:54AM0.87m
5:46PM0.95m
6:17AM1.07m
7:36PM1.03m
part cloud
part cloud
part cloud
cloud
rain showers
clear
clear
part cloud
clear
light rain
light rain
part cloud
clear
clear
part cloud
part cloud
part cloud
cloud
part cloud
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
—
—
7:28
—
—
7:30
—
—
7:31
—
—
7:33
—
—
7:35
—
—
7:37
—
—
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
7:15
—
—
7:13
—
—
7:10
—
—
7:07
—
—
7:05
—
—
7:02
—
—
7:00
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 mm
—
—
—
—
5
—
—
—
—
1
1
—
—
—
—
—
—
—
—
—
Temp °C
15
12
15
17
18
15
15
13
14
16
14
14
14
12
13
13
13
15
16
16
Feels °C
10
6
7
8
9
7
6
6
7
9
10
9
8
8
9
9
10
11
13
13
  • 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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