Nazare Big Wave Challenge Gets Yellow Alert, Could Run Saturday in Giant Waves
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 11 pm Wednesday 10 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
10.1° 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 5AM is: 3.0m 13s primary swell from a West-northwest direction and 0.2m 13s secondary swell from a North direction (forecast issued at 11:00pm December 10). The wind direction is predicted to be offshore.
| Time (IST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (11 Dec) | 8ft (2.5m) | 14s |
| Afternoon (11 Dec) | 8ft (2.5m) | 14s |
| Evening (11 Dec) | 10ft (3.0m) | 16s |
Table - waves today at Trá Na Rosan. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Thursday 11 | Friday 12 | Saturday 13 | ||||||||||||||||||||||
| 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 | 9 AM | 12 PM | 3 PM | 6 PM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |  |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 14 | 14 | 13 | 13 | 14 | 14 | 14 | 17 | 16 | 16 | 16 | 17 | 18 | 18 | 18 | 17 | 17 | 17 | 16 | 16 | 15 | 14 | 14 | 14 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 4749 | 3732 | 3000 | 2801 | 2644 | 3566 | 2680 | 5780 | 5133 | 4819 | 5647 | 9617 | 11585 | 11340 | 9627 | 8792 | 8691 | 9500 | 7806 | 6999 | 6325 | 5956 | 6553 | 7207 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- off | cross- off | off | off | off | cross- off | cross- off | cross- off | off | off | off | off | off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off |
High Tide / height (m) | 10:23PM 2.53 | 10:53AM 2.95 | 11:28PM 2.38 | 11:58AM 2.78 | 12:40AM 2.33 | 1:05PM 2.67 | ||||||||||||||||||
Low Tide / height (m) | 4:15AM 0.74 | 5:20PM 0.82 | 5:21AM 0.91 | 6:28PM 0.91 | 6:33AM 1.01 | |||||||||||||||||||
Thursday 11 | Friday 12 | Saturday 13 | ||||||||||||||||||||||
| Sunrise | - | - | - | - | 8:45 | - | - | - | - | - | - | - | 8:47 | - | - | - | - | - | - | - | 8:48 | - | - | - |
| Sunset | - | - | - | - | - | - | 4:00 | - | - | - | - | - | - | - | 4:00 | - | - | - | - | - | - | - | 4:00 | - |
 | | | |  |  | | |  | | | |  |  | | | | | | | | | |  | |
Rain (mm) | - | - | - | - | - | 3 | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | 2 | 3 | 1 |
| Temp. °C | 12 | 11 | 10 | 11 | 11 | 9 | 9 | 8 | 7 | 6 | 6 | 5 | 6 | 8 | 9 | 8 | 8 | 8 | 8 | 9 | 11 | 13 | 13 | 13 |
| Feels °C (?) | 5 | 4 | -1 | 1 | 2 | 1 | 2 | 3 | 1 | 1 | 1 | -1 | -1 | 0 | 0 | -1 | 1 | 1 | -1 | -2 | 2 | 4 | 2 | 3 |
- 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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