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Surf Forecasts:

Trá Na Rosan surfForecast / Donegal / Ireland

information circle12 Day Weather and Surf, issued 5 am Saturday 10 Jan 2026 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
8.4° C
 (Which is 1.2°C colder than average 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 Monday (Jan 12) at 3PM. The primary swell is predicted to be 1.8m and 11s period with a secondary swell of 1.2m and 11s. 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 3.5m 18s and forecast to arrive on Thursday (Jan 15) at 12PM. Winds are predicted to be cross-shore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 2.4m 12s period and expected on Sunday (Jan 11) at 9PM.

Wave TypeTime (IST) & Date Wave Height & Period
Next good surf (1 star+) 3PM (Mon 12th Jan)6ft (1.8m) 11s
Best Surf 6PM (Thu 15th Jan)11ft (3.5m) 17s
Most Powerful12PM (Thu 15th Jan)11ft (3.5m) 18s

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

Updates in  hr  min  s Forecast update imminent 
12 DaysHourly
Print Table

Short Range Forecast Heavy rain (total 39mm), heaviest during Sun night. Very mild (max 12°C on Sun afternoon, min 5°C on Sat afternoon). Winds decreasing (near gales from the SSE on Sat night, light winds from the S by Mon afternoon).

Days 3-6 Weather Summary Moderate rain (total 19mm), heaviest on Tue afternoon. Mild temperatures (max 8°C on Tue afternoon, min 4°C on Wed morning). Winds decreasing (near gales from the NW on Tue afternoon, light winds from the SE by Thu afternoon).

Saturday
10
Sunday
11
Monday
12
Tuesday
13
Wednesday
14
Thursday
15
Friday
16
AMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNight
Rating
(10 max)
3
2
0
0
1
1
1
3
3
0
0
0
3
1
0
2
5
5
3
4
1
Swell
Height Map
See all maps
Wave Height (m) & direction (?)
2.5
WNW
2.1
WNW
1.3
WNW
1.5
W
1.6
W
2.4
W
1.6
WNW
1.8
NW
1.7
NW
2.2
NW
3
NW
2
NW
1.2
N
1
N
1.4
W
3
WNW
3.5
WNW
3
WNW
2.5
WNW
2.3
WNW
1.9
WNW
Period(s) (?)121110111111111110121210121212191817151514
Wave
Graph
(?)Metric surfscale
Energy kJ (?)17731074290514640136964578062813012455832390289538546567554712313022921396
Wind
(km/h)
20
SW
20
S
60
SSE
40
S
35
SE
45
SW
25
SW
10
S
20
SSE
45
WNW
55
NW
40
WNW
20
SSE
25
S
45
W
30
WSW
20
SW
25
SE
20
SE
15
ESE
15
NNE
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
off		cross-
off		offcross-
off		offcross-
off		cross-
off		cross-
off		offcross-
on		oncross-
on		offcross-
off		cross-
on		crosscross-
off		offcross-
off		cross-
off		cross-
on
High Tide
/ height (m)
10:54AM
2.79
11:23PM
2.40
11:49AM
2.55
12:30AM
2.31
12:59PM
2.40
1:48AM
2.33
2:17PM
2.36
3:00AM
2.44
3:25PM
2.44
3:56AM
2.61
4:17PM
2.58
4:41AM
2.80
4:58PM
2.73
Low Tide
/ height (m)
5:13PM
0.90
5:22AM
1.02
6:12PM
1.06
6:34AM
1.18
7:21PM
1.14
7:56AM
1.22
8:32PM
1.13
9:08AM
1.14
9:31PM
1.03
10:04AM
1.00
10:18PM
0.87
10:48AM
0.83
10:58PM
0.70
Saturday
10
Sunday
11
Monday
12
Tuesday
13
Wednesday
14
Thursday
15
Friday
16
Sunrise8:52--8:52--8:51--8:49--8:48--8:48--8:47--
Sunset-4:23--4:25--4:27--4:29--4:30--4:31--4:34-
rain showers
light rain
mod rain
light rain
light rain
rain showers
part cloud
light rain
mod rain
light rain
light rain
rain showers
light rain
light rain
mod rain
clear
part cloud
part cloud
clear
clear
clear
Rain (mm)
2110258-110252226------
Temp. °C7610111210888687578876668
Feels °C (?)212323255-5-3-30-2-3120021
  • 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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Latest Updates

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The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our Trá Na Rosan surf forecast. Simply grab the html code snippet that we provide and paste it into your own site. You can choose your preferred language and metric/imperial units for the surf forecast feed to suit users of your site. Click here to get the code.

View detailed surf forecast for Trá Na Rosan at:
surf-forecast.com

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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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