Trá Na Rosan surfForecast / Donegal / Ireland

information circle12 Day Weather and Surf, issued 11 am Thursday 25 Dec 2025 IST
Forecast update in hr  min  s Forecast update imminent
Trá Na Rosan surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Trá Na Rosan sea temperature is
9.5° C
(Which is normal for this time of year)


Best Forecast Surf Conditions for Trá Na Rosan this week:

The surf forecast for Trá Na Rosan over the next 12 days: The first swell (rated 1 star or higher) is forecast to arrive on Thursday (Dec 25) at 6PM. The primary swell is predicted to be 1.1m and 12s period. The wind is predicted to be cross-offshore as the swell arrives.

The most powerful waves expected at Trá Na Rosan in the next 12 days are 2.5m 8s and forecast to arrive on Thursday (Jan 01) at 12PM. Winds are predicted to be onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.4m 2s period and expected on Saturday (Dec 27) at 9PM.

Wave TypeTime (IST) & Date Wave Height & Period
Next good surf (1 star+) 6PM (Thu 25th Dec)3.5ft (1.1m) 12s
Best Surf 6PM (Thu 25th Dec)3.5ft (1.1m) 12s
Most Powerful12PM (Thu 1st Jan)8ft (2.5m) 8s

Table - best surf conditions forecast for Trá Na Rosan over the next 12 days.

Updates in  hr  min  s Forecast update imminent

Short Range Forecast Mostly dry. Mild temperatures (max 6°C on Fri afternoon, min 2°C on Thu morning). Wind will be generally light.

Days 3-6 Weather Summary Mostly dry. Mild temperatures (max 9°C on Tue night, min 3°C on Sun afternoon). Wind will be generally light.

Thursday
25
Friday
26
Saturday
27
Sunday
28
Monday
29
Tuesday
30
Wednesday
31
AMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNight
Rating
(10 max)
2
1
1
0
0
1
1
1
1
2
2
1
0
0
0
0
0
0
0
0
0
Swell
Height Map
Wave Height (m) & direction (?)
1.3
WNW
1.2
WNW
1
WNW
0.9
WNW
0.7
WNW
0.7
WNW
0.6
WNW
0.6
WNW
0.7
WNW
0.9
NW
0.6
WNW
0.7
WNW
0.5
WNW
0.5
WNW
0.5
WNW
0.4
NW
0.5
WNW
0.6
WNW
1.1
NNW
0.5
WNW
1.1
NNW
Period(s) (?)121212121211101091016141313121615136125
Wave
Graph
(?)Metric surfscale
Energy kJ (?)47237825220315013586757114217318399968366121141958371
Wind
(km/h)
10
ESE
20
ESE
15
ESE
15
E
20
ENE
10
E
10
ESE
10
ESE
15
ESE
15
SE
10
SSE
0
NE
15
N
15
N
25
NNE
15
NE
20
NNE
20
NNW
20
N
20
N
30
NW
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
off
cross-
off
cross-
off
cross-
off
crosscross-
off
cross-
off
cross-
off
cross-
off
cross-
off
offglassoncross-
on
cross-
on
crosscross-
on
oncross-
on
oncross-
on
High Tide
/ height (m)
9:06AM
3.05
9:23PM
2.62
9:49AM
2.96
10:13PM
2.53
10:38AM
2.87
11:12PM
2.46
11:38AM
2.80
12:23AM
2.46
12:49PM
2.78
1:38AM
2.56
2:04PM
2.83
2:49AM
2.76
3:15PM
2.96
Low Tide
/ height (m)
3:18PM
0.67
3:19AM
0.64
4:06PM
0.72
4:08AM
0.76
5:01PM
0.77
5:08AM
0.87
6:06PM
0.79
6:21AM
0.92
7:16PM
0.75
7:39AM
0.87
8:25PM
0.66
8:52AM
0.70
9:27PM
0.52
Thursday
25
Friday
26
Saturday
27
Sunday
28
Monday
29
Tuesday
30
Wednesday
31
Sunrise8:56--8:56--8:56--8:56--8:56--8:56--8:56--
Sunset-4:05--4:05--4:06--4:07--4:07--4:08--4:09-
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
cloud
cloud
part cloud
part cloud
cloud
cloud
cloud
cloud
cloud
Rain (mm)
---------------------
Temp. °C334566555445678789779
Feels °C (?)-1-20111111011125334110
  • Map Icons:
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  • 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 12 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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