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70-foot plus waves predicted for Portuguese big wave tow surfing competition.
Surf Forecasts:
Trá Na Rosan surfForecast / Donegal / Ireland
48hr Weather and Surf, issued 5 am Friday 12 Dec 2025 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
10.2° C
(Which is normal for this time of year)How big are the waves at Trá Na Rosan today?
The current surf forecast for Trá Na Rosan at 1PM is: 4.0m 18s primary swell from a West-northwest direction (forecast issued at 05:00am December 12). The wind direction is predicted to be cross-offshore.
| Time (IST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (12 Dec) | 13ft (4.0m) | 18s |
| Afternoon (12 Dec) | 13ft (4.0m) | 18s |
| Evening (12 Dec) | 11ft (3.5m) | 17s |
Table - waves today at Trá Na Rosan. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Friday 12 | Saturday 13 | Sunday 14 | Mon 15 | |||||||||||||||||||||
| 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 | 9 AM | 12 PM | 3 PM | 6 PM | 9 PM | 0 AM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 16 | 17 | 18 | 18 | 18 | 17 | 17 | 17 | 16 | 16 | 15 | 14 | 14 | 14 | 14 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 5570 | 8471 | 10748 | 10294 | 9091 | 7893 | 7359 | 8288 | 8161 | 7098 | 5316 | 4851 | 4806 | 5215 | 4881 | 3809 | 2955 | 2726 | 2376 | 2318 | 2026 | 1725 | 1643 | 1783 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | off | off | off | off | cross- off | cross- off | cross- off | cross- off | cross- off | off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | off | cross- off | cross- off | cross- off | cross | cross- off | off | off |
High Tide / height (m) | 11:58AM 2.78 | 12:40AM 2.33 | 1:05PM 2.67 | 1:49AM 2.39 | 2:09PM 2.64 | |||||||||||||||||||
Low Tide / height (m) | 5:21AM 0.91 | 6:28PM 0.91 | 6:33AM 1.01 | 7:33PM 0.92 | 7:44AM 1.02 | 8:28PM 0.88 | ||||||||||||||||||
Friday 12 | Saturday 13 | Sunday 14 | Mon 15 | |||||||||||||||||||||
| Sunrise | - | - | 8:47 | - | - | - | - | - | - | - | 8:48 | - | - | - | - | - | - | - | 8:48 | - | - | - | - | - |
| Sunset | - | - | - | - | 4:00 | - | - | - | - | - | - | - | 4:00 | - | - | - | - | - | - | - | 4:00 | - | - | - |
 | |  | |  | | | |  |  |  | |  |  | | | | | | | | | | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | 2 | 1 | 2 | - | - | 1 | - | 2 | 1 | 2 | 3 | - |
| Temp. °C | 6 | 6 | 6 | 7 | 9 | 8 | 8 | 8 | 8 | 7 | 9 | 10 | 12 | 12 | 13 | 12 | 12 | 13 | 13 | 13 | 11 | 10 | 13 | 13 |
| Feels °C (?) | 0 | 1 | 0 | 1 | 1 | 0 | 1 | 1 | 1 | -1 | -1 | 1 | 3 | 3 | 4 | 6 | 8 | 6 | 7 | 9 | 7 | 7 | 6 | 5 |
- 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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