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 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 4AM is: 4.0m 16s primary swell from a West-northwest direction (forecast issued at 11:00pm December 12). The wind direction is predicted to be cross-offshore.
| Time (IST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (13 Dec) | 11ft (3.5m) | 15s |
| Afternoon (13 Dec) | 11ft (3.5m) | 14s |
| Evening (13 Dec) | 11ft (3.5m) | 14s |
Table - waves today at Trá Na Rosan. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Saturday 13 | Sunday 14 | Monday 15 | ||||||||||||||||||||||
| 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) (?) | 17 | 17 | 16 | 16 | 15 | 14 | 14 | 14 | 14 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 14 | 15 | 16 | 16 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 7359 | 7997 | 7806 | 6598 | 5316 | 4346 | 4739 | 4784 | 4324 | 3264 | 2376 | 2213 | 2304 | 2088 | 1995 | 1930 | 2026 | 2535 | 2221 | 2288 | 2405 | 3009 | 4523 | 4761 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- off | cross- off | cross- off | off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | off | cross- off | off | off | off | cross- on | cross | cross | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off |
High Tide / height (m) | 12:40AM 2.33 | 1:05PM 2.67 | 1:49AM 2.39 | 2:09PM 2.64 | 2:47AM 2.51 | 3:04PM 2.66 | ||||||||||||||||||
Low Tide / height (m) | 6:28PM 0.91 | 6:33AM 1.01 | 7:33PM 0.92 | 7:44AM 1.02 | 8:28PM 0.88 | 8:45AM 0.97 | ||||||||||||||||||
Saturday 13 | Sunday 14 | Monday 15 | ||||||||||||||||||||||
| Sunrise | - | - | - | - | 8:48 | - | - | - | - | - | - | - | 8:48 | - | - | - | - | - | - | - | 8:49 | - | - | - |
| Sunset | - | - | - | - | - | - | 4:00 | - | - | - | - | - | - | - | 4:00 | - | - | - | - | - | - | - | 4:00 | - |
 | |  |  |  | |  |  | | | | | | | | | | | | | | |  | | |
Rain (mm) | - | - | - | - | - | - | 2 | 1 | 1 | - | 1 | 2 | 1 | - | 1 | 2 | 1 | - | - | - | - | - | - | - |
| Temp. °C | 8 | 8 | 8 | 7 | 8 | 9 | 11 | 12 | 13 | 13 | 13 | 13 | 13 | 13 | 14 | 9 | 8 | 9 | 9 | 8 | 7 | 8 | 8 | 8 |
| Feels °C (?) | 0 | 1 | 1 | 0 | 0 | -1 | 2 | 3 | 5 | 8 | 8 | 7 | 9 | 8 | 6 | -1 | 0 | 1 | 3 | 3 | 2 | 3 | 3 | 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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