Trá Na Rosan Surf Break

Lat Long: 55.23° N 7.82° W

Trá Na Rosan Surf Forecast and Surf Report

Issued: 6 am 15 Oct 2026 (local time)

Forecast update in  hr  min

Today's Trá Na Rosan sea temperature is
13.9°C
1.5° 

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 15 Oct 2026:

  • Best quality surf: Thursday 22 Oct, 7AM (local time) - 11ft (3.5m), 14s period, WNW swell with offshore winds.
  • Most powerful swell: Thursday 22 Oct, 7AM (local time) - 11ft (3.5m), 14s period, WNW swell with 4,098 kJ wave energy.
  • Next surfable swell (1★+): Saturday 17 Oct, 1PM (local time) - 4.5ft (1.4m), 11s 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 Saturday (Oct 17) at 1PM. The primary swell is predicted to be 1.4m and 11s period with a secondary swell of 1.1m and 13s. 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 3.5m 14s and forecast to arrive on Thursday (Oct 22) 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 1.4m 11s period and expected on Thursday (Oct 22) at 1AM.

Wave TypeTime (IST) & Date Wave Height & Period
Next good surf (1 star+) 1PM (Sat 17th Oct)4.5ft (1.4m) 11s
Best Surf 7AM (Thu 22nd Oct)11ft (3.5m) 14s
Most Powerful 7AM (Thu 22nd Oct)11ft (3.5m) 14s

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


Short Range Forecast

Light rain (total 5mm), mostly falling on Thu night. Very mild (max 13°C on Thu morning, min 8°C on Sat night). Winds decreasing (fresh winds from the WSW on Thu morning, calm by Sat morning).

Days 4-6 Weather Summary

Mostly dry. Very mild (max 13°C on Tue afternoon, min 8°C on Sun morning). Winds increasing (light winds from the SSE on Sun night, fresh winds from the SE by Tue morning).

Thursday
15
Friday
16
Saturday
17
Sunday
18
Monday
19
Tuesday
20
Wednesday
21
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
Rating
(10 max)
2
0
1
0
0
0
2
2
2
2
3
2
4
3
3
0
1
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)
3.5
WNW
14
3.5
WNW
13
3
WNW
12
2
WNW
12
1.9
WNW
12
1.6
WNW
12
1.6
NW
12
1.4
WNW
11
1
WNW
11
1.1
WNW
10
1.1
WNW
14
1.2
W
12
1.7
WNW
16
2.1
NW
15
1.9
NW
14
1.6
NW
14
1.4
NW
14
1.2
WNW
13
0.9
WNW
12
0.8
WNW
12
0.4
WNW
15
Wave Graph
Metric surfscale
Energy kJ
4337
3697
2357
1084
1001
689
648
475
242
232
446
404
1498
1810
1338
961
754
437
255
174
85
Wind (km/h)
30
WSW
35
WSW
30
WSW
30
WNW
30
NW
20
NNW
10
NNW
5
NE
15
SSE
15
SSE
10
S
15
SSE
10
ESE
20
ESE
15
ESE
35
SE
25
SE
20
ESE
30
ESE
25
SE
15
SE
Wind State
cross
cross
cross
cross-on
on
on
on
cross
off
off
off
off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
off
High Tide
9:26PM2.73m
9:45AM2.79m
10:04PM2.47m
10:32AM2.56m
10:56PM2.23m
11:42AM2.36m
00:23AM2.06m
1:25PM2.30m
2:14AM2.08m
2:52PM2.43m
3:27AM2.26m
3:46PM2.65m
Low Tide
3:17PM0.67m
3:26AM0.80m
3:58PM0.94m
4:06AM1.03m
4:50PM1.19m
5:01AM1.23m
6:14PM1.37m
6:32AM1.35m
8:08PM1.34m
8:16AM1.27m
9:22PM1.14m
9:22AM1.08m
10:07PM0.88m
cloud
clear
rain showers
rain showers
clear
clear
clear
clear
clear
clear
part cloud
clear
clear
clear
clear
part cloud
cloud
part cloud
part cloud
clear
cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
7:58
—
—
8:00
—
—
8:03
—
—
8:04
—
—
8:07
—
—
8:08
—
—
8:11
—
—
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
—
6:32
—
—
6:30
—
—
6:28
—
—
6:25
—
—
6:22
—
—
6:21
—
—
6:19
—
 mm
—
—
3
2
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
Temp °C
13
12
11
12
12
11
10
10
10
9
10
10
10
11
11
12
13
13
12
12
10
Feels °C
5
4
4
4
5
5
8
8
7
6
7
7
7
8
8
5
8
10
6
6
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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