Trá Na Rosan surfForecast / Donegal / Ireland

information circle12 Day Weather and Surf, issued 11 am Sunday 28 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
9.1° C
(Which is slightly cooler than normal)


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 Sunday (Dec 28) at 6PM. The primary swell is predicted to be 0.7m and 15s period with a secondary swell of 0.6m and 9s. 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 12s and forecast to arrive on Thursday (Jan 01) at 9PM. Winds are predicted to be onshore at the time the swell arrives.

Wave TypeTime (IST) & Date Wave Height & Period
Next good surf (1 star+) 6PM (Sun 28th Dec)2.5ft (0.7m) 15s
Best Surf 6PM (Sun 28th Dec)2.5ft (0.7m) 15s
Most Powerful 9PM (Thu 1st Jan)8ft (2.5m) 12s

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 Mon morning, min 3°C on Sun morning). Wind will be generally light.

Days 3-6 Weather Summary Moderate rain (total 18mm), heaviest on Fri morning. Mild temperatures (max 8°C on Wed night, min 3°C on Fri morning). Winds increasing (light winds from the WSW on Wed morning, near gales from the N by Fri night).

Sunday
28
Monday
29
Tuesday
30
Wednesday
31
Thursday
01
Friday
02
Saturday
03
AMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNight
Rating
(10 max)
0
2
0
0
0
0
0
1
1
0
0
0
0
0
0
0
0
0
0
0
0
Swell
Height Map
Wave Height (m) & direction (?)
0.8
NW
0.6
WNW
0.7
WNW
0.6
WNW
0.5
WNW
0.5
WNW
0.3
WNW
0.4
WNW
0.6
WNW
0.5
WNW
0.5
WNW
1.7
NW
2.4
NNW
2.2
NNW
2.3
NNW
2.1
NNW
1.8
NNW
1.7
NNW
2.5
N
2.5
NNW
2.4
NNW
Period(s) (?)1016141313121615131312610101210810988
Wave
Graph
(?)Metric surfscale
Energy kJ (?)11317318313796835185141958321711309131480955356574996663748
Wind
(km/h)
20
ESE
10
ESE
10
NE
15
NNE
10
ENE
15
ESE
15
ESE
10
SE
10
S
15
WSW
25
WSW
35
W
40
N
35
NNW
35
NW
35
NNE
45
N
55
N
50
N
45
N
35
N
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
off
cross-
off
crosscross-
on
crosscross-
off
cross-
off
cross-
off
cross-
off
crosscrosscrossonononcross-
on
oncross-
on
cross-
on
cross-
on
cross-
on
High Tide
/ height (m)
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
3:50AM
3.01
4:16PM
3.11
4:45AM
3.26
5:11PM
3.24
5:35AM
3.49
6:01PM
3.31
Low Tide
/ height (m)
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
9:56AM
0.48
10:22PM
0.36
10:53AM
0.27
11:13PM
0.22
11:45AM
0.10
12:00AM
0.11
Sunday
28
Monday
29
Tuesday
30
Wednesday
31
Thursday
01
Friday
02
Saturday
03
Sunrise8:56--8:56--8:56--8:56--8:56--8:56--8:56--
Sunset-4:07--4:07--4:08--4:09--4:10--4:13--4:14-
part cloud
part cloud
part cloud
part cloud
clear
part cloud
clear
clear
clear
part cloud
cloud
light rain
rain showers
cloud
rain showers
light rain
light rain
mod rain
light rain
light rain
light rain
Rain (mm)
-----------31-2426324
Temp. °C445655544468777444445
Feels °C (?)012110000-1-2-1-2-2-2-7-7-8-8-8-4
  • 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 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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