Trá Na Rosan surfForecast / Donegal / Ireland

information circle12 Day Weather and Surf, issued 11 pm Wednesday 18 Feb 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
7.2° C
(Which is 1.6°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 Thursday (Feb 19) at 6AM. The primary swell is predicted to be 1.6m and 13s period with a secondary swell of 0.6m and 15s. The wind is predicted to be offshore as the swell arrives.

The most powerful waves expected at Trá Na Rosan in the next 12 days are 5.0m 17s and forecast to arrive on Sunday (Feb 22) at 12PM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.0m 5s period and expected on Saturday (Feb 21) at 6PM.

Wave TypeTime (IST) & Date Wave Height & Period
Next good surf (1 star+) 6AM (Thu 19th Feb)5ft (1.6m) 13s
Best Surf 9PM (Wed 25th Feb)13ft (4.0m) 16s
Most Powerful12PM (Sun 22nd Feb)16ft (5.0m) 17s

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 Moderate rain (total 17mm), heaviest on Thu morning. Very mild (max 11°C on Sat afternoon, min 4°C on Wed night). Winds decreasing (strong winds from the WSW on Fri afternoon, light winds from the SSW by Fri night).

Days 3-6 Weather Summary Light rain (total 7mm), mostly falling on Sun night. Very mild (max 13°C on Tue afternoon, min 8°C on Sun morning). Winds decreasing (near gales from the SW on Sun afternoon, moderate winds from the SSE by Mon afternoon).

Thursday
19
Friday
20
Saturday
21
Sunday
22
Monday
23
Tuesday
24
Wed
25
NightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPM
Rating
(10 max)
1
2
1
2
0
0
0
3
4
1
0
0
0
0
3
3
2
2
3
4
4
Swell
Height Map
Wave Height (m) & direction (?)
1.1
W
1.6
WNW
3
WNW
3
WNW
2.2
W
2.4
W
2.5
WNW
2.5
WNW
2.3
WNW
2.4
W
5
WNW
5
WNW
5.5
WNW
4.5
WNW
3.5
WNW
2
WNW
2.1
W
2.2
W
1.7
W
1.9
WNW
2.5
NW
Period(s) (?)131312121010111716151817161414131213131716
Wave
Graph
(?)Metric surfscale
Energy kJ (?)40885425112029957124117683497278525431541514054134778152450613061312160997120403555
Wind
(km/h)
35
SE
30
SSE
35
WSW
25
SSW
40
SW
45
WSW
40
WSW
15
S
20
S
40
SW
45
SW
55
SW
60
WSW
45
WSW
25
SW
20
S
30
S
30
SSW
20
S
15
SSE
20
SSE
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
offoffcrosscross-
off
cross-
off
crosscrosscross-
off
offcross-
off
cross-
off
cross-
off
crosscrosscross-
off
offcross-
off
cross-
off
offoffoff
High Tide
/ height (m)
7:08AM
3.65
7:24PM
3.28
7:41AM
3.64
7:58PM
3.25
8:15AM
3.53
8:34PM
3.16
8:53AM
3.34
9:14PM
3.00
9:36AM
3.07
10:02PM
2.80
10:31AM
2.76
11:07PM
2.59
11:52AM
2.48
Low Tide
/ height (m)
12:48AM
0.01
1:17PM
0.00
1:21AM
-0.01
1:50PM
0.01
1:55AM
0.06
2:25PM
0.12
2:33AM
0.21
3:03PM
0.31
3:16AM
0.43
3:47PM
0.58
4:09AM
0.71
4:44PM
0.86
5:22AM
0.98
Thursday
19
Friday
20
Saturday
21
Sunday
22
Monday
23
Tuesday
24
Wed
25
Sunrise-7:46--7:43--7:41--7:39--7:37--7:33--7:31-
Sunset--5:44--5:45--5:47--5:50--5:52--5:54--5:57
light rain
light rain
part cloud
rain showers
rain showers
part cloud
light rain
light rain
light rain
rain showers
clear
rain showers
rain showers
part cloud
light rain
part cloud
cloud
cloud
light rain
mod rain
light rain
Rain (mm)
33-33-1131-14-1---573
Temp. °C578101099101110889910121213121111
Feels °C (?)-41021-10632-3-4-305846787
  • 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

Latest Updates

submit an eyeball surf report

Quick surf report for Trá Na Rosan:

join our community of surf reporters

FREE! Surf-Forecast.com widget for your website

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.


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.

Nearest locationNearest
Nearest locationNearest
Nearest locationNearest