Trá Na Rosan Surf Break

Lat Long: 55.23° N 7.82° W

Trá Na Rosan Surf Forecast and Surf Report

Issued: 6 am 17 Oct 2026 (local time)

Forecast update in  hr  min

Today's Trá Na Rosan sea temperature is
13.9°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 17 Oct 2026:

  • Best quality surf: Monday 19 Oct, 1PM (local time) - 6ft (1.8m), 15s period, NW swell with offshore winds.
  • Most powerful swell: Saturday 24 Oct, 4AM (local time) - 13ft (4.0m), 15s period, WNW swell with 6,401 kJ wave energy.
  • Next surfable swell (1★+): Saturday 17 Oct, 4PM (local time) - 4.5ft (1.3m), 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 4PM. The primary swell is predicted to be 1.3m and 11s period with a secondary swell of 1.0m and 12s. The wind is predicted to be cross-offshore as the swell arrives.

The most powerful waves expected at Trá Na Rosan in the next 16 days are 4.0m 15s and forecast to arrive on Saturday (Oct 24) at 4AM. Winds are predicted to be onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.6m 4s period and expected on Tuesday (Oct 20) at 10AM.

Wave TypeTime (IST) & Date Wave Height & Period
Next good surf (1 star+) 4PM (Sat 17th Oct)4.5ft (1.3m) 11s
Best Surf 1PM (Mon 19th Oct)6ft (1.8m) 15s
Most Powerful 4AM (Sat 24th Oct)13ft (4.0m) 15s

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


Short Range Forecast

Mostly dry. Very mild (max 12°C on Mon afternoon, min 7°C on Sun night). Winds increasing (calm on Sun afternoon, fresh winds from the SSE by Mon night).

Days 4-6 Weather Summary

Moderate rain (total 18mm), heaviest on Thu afternoon. Very mild (max 13°C on Tue afternoon, min 7°C on Wed night). Mainly near gales.

Saturday
17
Sunday
18
Monday
19
Tuesday
20
Wednesday
21
Thursday
22
Friday
23
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
3
2
1
2
2
3
4
4
2
2
0
0
2
3
2
3
0
0
1
0
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
1.5
WNW
12
1.3
WNW
11
1
WNW
11
0.9
WNW
10
1
WNW
14
1.2
W
12
1.6
WNW
15
1.9
NW
15
2
WNW
14
1.7
WNW
13
1.5
WNW
13
2
WNW
12
3.5
NW
10
3
NW
14
2.2
NW
13
1.7
WNW
12
1.8
WNW
11
1.7
WNW
11
1.7
WNW
11
2.5
WNW
8
2.5
WNW
14
Wave Graph
Metric surfscale
Energy kJ
565
386
242
154
389
411
1178
1446
1621
975
772
1197
2049
3410
1609
802
800
711
631
825
2643
Wind (km/h)
5
NNE
5
E
15
SSE
10
S
0
E
15
SSE
15
SE
20
SE
20
SSE
35
SSE
35
SSE
45
WNW
30
W
25
SW
20
S
30
SSE
10
S
45
W
35
WSW
30
SW
30
NNW
Wind State
cross-on
cross-off
off
off
glassy
off
off
off
off
off
off
cross-on
cross-on
cross-off
cross-off
off
off
cross
cross
cross-off
on
High Tide
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
4:13AM2.49m
4:26PM2.89m
4:51AM2.74m
5:02PM3.13m
Low Tide
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
10:08AM0.84m
10:42PM0.61m
10:45AM0.61m
11:15PM0.35m
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
clear
part cloud
rain showers
rain showers
light rain
part cloud
light rain
rain showers
rain showers
rain showers
thunderstorm
rain showers
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
8:03
—
—
8:04
—
—
8:07
—
—
8:08
—
—
8:11
—
—
8:14
—
—
8:15
—
—
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
—
6:28
—
—
6:25
—
—
6:22
—
—
6:21
—
—
6:19
—
—
6:15
—
—
6:14
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 mm
—
—
—
—
—
—
—
—
—
—
—
3
1
2
—
2
6
4
3
3
3
Temp °C
9
10
9
8
10
9
9
12
11
12
13
10
10
10
9
9
11
10
9
9
10
Feels °C
7
8
6
5
9
6
4
7
4
4
6
3
2
4
4
1
1
-1
0
1
3
  • 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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