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Surf Forecasts:

Trá Na Rosan surfForecast / Donegal / Ireland

information circle12 Day Weather and Surf, issued 6 am Sunday 14 Sep 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
15.5° C
 (Which is 1.9°C warmer than 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 Sunday (Sep 14) at 10PM. The primary swell is predicted to be 0.8m and 9s period with a secondary swell of 0.3m and 12s. 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 3.5m 14s and forecast to arrive on Wednesday (Sep 17) at 10PM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 3.0m 11s period and expected on Thursday (Sep 18) at 4PM.

Wave TypeTime (IST) & Date Wave Height & Period
Next good surf (1 star+)10PM (Sun 14th Sep)2.5ft (0.8m) 9s
Best Surf10PM (Tue 16th Sep)5ft (1.5m) 10s
Most Powerful10PM (Wed 17th Sep)11ft (3.5m) 14s

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 30mm), heaviest during Sun morning. Very mild (max 15°C on Sun afternoon, min 11°C on Sun morning). Winds decreasing (near gales from the W on Mon afternoon, light winds from the WSW by Tue night).

Days 3-6 Weather Summary Heavy rain (total 21mm), heaviest during Fri night. Very mild (max 15°C on Wed morning, min 10°C on Fri night). Winds decreasing (gales from the SW on Wed night, light winds from the NNE by Fri morning).

Sunday
14
Monday
15
Tuesday
16
Wednesday
17
Thursday
18
Friday
19
Saturday
20
AMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNight
Rating
(10 max)
0
0
1
0
0
0
0
0
2
0
0
0
0
0
0
2
2
1
2
1
1
Swell
Height Map
See all maps
Wave Height (m) & direction (?)
1.4
WNW
0.9
WNW
0.9
W
2.4
W
3.5
WNW
3
WNW
2.4
WNW
2
WNW
1.3
WNW
0.8
N
0.6
W
3.5
W
3
W
3
W
2.2
W
2
NNW
2
NNW
1.9
NNW
1.2
NNW
1.1
N
0.8
N
Period(s) (?)111091313121111109141412119121112111110
Wave
Graph
(?)Metric surfscale
Energy kJ (?)436173130208440362626143390329511313244353011075210699371000350291117
Wind
(km/h)
35
SSE
40
SSE
20
SSE
35
WNW
50
WNW
35
WNW
35
W
30
W
10
SSE
35
S
40
SSW
65
SW
55
WSW
40
WSW
45
WSW
15
N
15
ENE
35
ESE
25
SSE
30
SSE
20
S
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
offoffoffcross-
on		cross-
on		cross-
on		cross-
on		cross-
on		offoffcross-
off		cross-
off		crosscrosscrossoncrosscross-
off		offoffoff
High Tide
/ height (m)
11:28AM
2.74
12:12AM
2.50
12:57PM
2.56
2:00AM
2.33
2:46PM
2.60
3:39AM
2.43
4:07PM
2.83
4:43AM
2.64
5:02PM
3.09
5:28AM
2.85
5:44PM
3.31
6:05AM
3.02
6:19PM
3.46
Low Tide
/ height (m)
5:44PM
0.88
6:18AM
1.06
7:27PM
1.07
8:04AM
1.15
9:18PM
0.99
9:37AM
0.99
10:31PM
0.75
10:38AM
0.74
11:19PM
0.51
11:22AM
0.49
11:57PM
0.31
11:58AM
0.29
12:29AM
0.17
Sunday
14
Monday
15
Tuesday
16
Wednesday
17
Thursday
18
Friday
19
Saturday
20
Sunrise7:00--7:01--7:03--7:05--7:07--7:09--7:11--
Sunset-7:52--7:49--7:46--7:44--7:42--7:38--7:36-
light rain
mod rain
rain showers
rain showers
light rain
rain showers
rain showers
part cloud
light rain
part cloud
cloud
part cloud
clear
clear
rain showers
cloud
cloud
heavy rain
light rain
light rain
rain showers
Rain (mm)
5621292-3-----1--20522
Temp. °C111514141413141413151514141413131315161616
Feels °C (?)41197557911982466101011131113
  • 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

Eyeball surf reportRecent Eyeball Surf Reports for Donegal

  1. weather stationWind Update The wind is still cross-off at Trá Na Rosan (moderate winds from the ESE at Malin Head 35 km from Trá Na Rosan). No surfable waves

    1 hour 30 minutes ago Trá Na Rosan
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35 km away, 1 h 30 min ago

25 km/h
ESE
0.0
15.5
Air / Water (°C)
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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.

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

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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