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:
Tremone Strand surfForecast / Donegal / Ireland
48hr Weather and Surf, issued 5 pm Tuesday 16 Dec 2025 ISTForecast update in hr min s Forecast update imminent
Tremone Strand surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Tremone Strand sea temperature is
10.4° C
(Which is normal for this time of year)Updates in hr min s Forecast update imminent
Tuesday 16 | Wednesday 17 | Thursday 18 | Friday 19 | |||||||||||||||||||||
| 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 | 9 AM | 12 PM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 14 | 14 | 14 | 14 | 13 | 13 | 12 | 11 | 11 | 11 | 15 | 19 | 20 | 20 | 20 | 19 | 19 | 19 | 19 | 18 | 18 | 17 | 17 | 16 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 0 | 0 | 0 | 0 | 0 | 3 | 3 | 2 | 2 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- off | off | off | off | off | off | cross- off | cross- off | cross- off | off | off | cross- off | cross- off | cross- off | off | cross- off | off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off |
High Tide / height (m) | 3:58PM 2.18 | 4:23AM 2.24 | 4:37PM 2.25 | 4:59AM 2.36 | 5:13PM 2.31 | 5:33AM 2.47 | ||||||||||||||||||
Low Tide / height (m) | 10:13PM 0.61 | 10:35AM 0.64 | 10:50PM 0.55 | 11:15AM 0.55 | 11:26PM 0.48 | 11:52AM 0.49 | ||||||||||||||||||
Tuesday 16 | Wednesday 17 | Thursday 18 | Friday 19 | |||||||||||||||||||||
| Sunrise | - | - | - | - | - | - | 8:48 | - | - | - | - | - | - | - | 8:49 | - | - | - | - | - | - | - | 8:51 | - |
| Sunset | 3:57 | - | - | - | - | - | - | - | 3:57 | - | - | - | - | - | - | - | 3:57 | - | - | - | - | - | - | - |
 |  |  |  |  | |  |  | | | | |  | | | | | | | | | | |  | |
Rain (mm) | - | - | - | - | 2 | 1 | 1 | - | - | - | - | - | 1 | - | - | - | - | 4 | - | 2 | - | 1 | 1 | 1 |
| Temp. °C | 6 | 5 | 5 | 6 | 6 | 8 | 9 | 11 | 9 | 9 | 8 | 8 | 7 | 7 | 6 | 8 | 9 | 7 | 6 | 8 | 8 | 8 | 7 | 8 |
| Feels °C (?) | 1 | 0 | -1 | -1 | -4 | -3 | 2 | 4 | 3 | 4 | 2 | -1 | -2 | 0 | 0 | -1 | -1 | 0 | -4 | -2 | -2 | -2 | -3 | -1 |
- 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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