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Surf Forecasts:
Trá Na Rosan surfForecast / Donegal / Ireland
48hr Weather and Surf, issued 11 am Friday 20 Mar 2026 ISTForecast 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
8.0° C
(Which is slightly cooler than normal)How big are the waves at Trá Na Rosan today?
The current surf forecast for Trá Na Rosan at 6PM is: 1.6m 13s primary swell from a Northwest direction and 0.4m 11s secondary swell from a North-northwest direction (forecast issued at 11:00am March 20). The wind direction is predicted to be cross-offshore and the swell rating is 3.
| Time (IST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (20 Mar) | 3.5ft (1.0m) | 11s |
| Afternoon (20 Mar) | 5ft (1.5m) | 13s |
| Evening (20 Mar) | 5ft (1.5m) | 13s |
Table - waves today at Trá Na Rosan. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Friday 20 | Saturday 21 | Sunday 22 | Monday 23 | |||||||||||||||||||||
| 9 AM | 12 PM | 3 PM | 6 PM | 9 PM | 0 AM | 3 AM | 6 AM | 9 AM | 12 PM | 3 PM | 6 PM | 9 PM | 0 AM | 3 AM | 6 AM | 9 AM | 12 PM | 3 PM | 6 PM | 9 PM | 0 AM | 3 AM | 6 AM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 11 | 14 | 13 | 13 | 13 | 15 | 15 | 14 | 16 | 16 | 16 | 15 | 15 | 15 | 14 | 14 | 14 | 13 | 14 | 14 | 14 | 14 | 14 | 15 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 247 | 322 | 780 | 878 | 725 | 2697 | 3144 | 2358 | 4701 | 4959 | 5123 | 4711 | 4027 | 3563 | 2985 | 2594 | 2565 | 2824 | 4883 | 5497 | 5765 | 5898 | 5747 | 6678 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | off | cross- on | cross- on | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross | cross | cross- off | cross- off | cross- off | cross- off | cross- off | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- off |
High Tide / height (m) | 6:40AM 3.74 | 6:59PM 3.46 | 7:15AM 3.71 | 7:35PM 3.44 | 7:53AM 3.56 | 8:13PM 3.33 | ||||||||||||||||||
Low Tide / height (m) | 12:48PM -0.16 | 12:57AM -0.11 | 1:23PM -0.11 | 1:35AM -0.03 | 2:00PM 0.06 | 2:16AM 0.15 | ||||||||||||||||||
Friday 20 | Saturday 21 | Sunday 22 | Monday 23 | |||||||||||||||||||||
| Sunrise | 6:35 | - | - | - | - | - | - | - | 6:31 | - | - | - | - | - | - | - | 6:28 | - | - | - | - | - | - | - |
| Sunset | - | - | - | 6:43 | - | - | - | - | - | - | - | 6:45 | - | - | - | - | - | - | - | 6:46 | - | - | - | - |
 | |  | |  |  | |  | | | | | | | | |  |  | | | | | | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | 1 | - | - | - | - | - | - | - |
| Temp. °C | 11 | 12 | 10 | 11 | 9 | 8 | 8 | 8 | 8 | 10 | 10 | 11 | 10 | 9 | 9 | 9 | 7 | 8 | 8 | 8 | 8 | 7 | 7 | 7 |
| Feels °C (?) | 8 | 11 | 6 | 7 | 5 | 4 | 5 | 5 | 5 | 8 | 6 | 8 | 6 | 3 | 3 | 3 | 3 | 0 | 0 | 0 | 0 | 0 | 1 | 2 |
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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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