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:
Valley Left surfForecast / Mayo and Achill Island / Ireland
48hr Weather and Surf, issued 5 am Friday 12 Dec 2025 ISTForecast update in hr min s Forecast update imminent
Valley Left surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Valley Left sea temperature is
10.7° C
(Which is normal for this time of year)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) (?) | 17 | 18 | 18 | 18 | 17 | 17 | 17 | 16 | 16 | 15 | 14 | 14 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 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 | off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | off | off | off | off | cross- off | cross- off | cross- off | off | cross- off | off | cross- off | glass | off | off | cross- off |
High Tide / height (m) | 11:20AM 2.79 | 12:22AM 2.24 | 12:25PM 2.64 | 1:28AM 2.32 | 1:29PM 2.55 | |||||||||||||||||||
Low Tide / height (m) | 4:47AM 1.05 | 6:08PM 0.76 | 6:03AM 1.15 | 7:09PM 0.79 | 7:19AM 1.14 | 8:02PM 0.79 | ||||||||||||||||||
Friday 12 | Saturday 13 | Sunday 14 | Mon 15 | |||||||||||||||||||||
| Sunrise | - | - | 8:48 | - | - | - | - | - | - | - | 8:49 | - | - | - | - | - | - | - | 8:51 | - | - | - | - | - |
| Sunset | - | - | - | - | 4:16 | - | - | - | - | - | - | - | 4:16 | - | - | - | - | - | - | - | 4:16 | - | - | - |
 |  |  |  |  | | |  |  | |  | | |  | | | | | | |  | |  | | |
Rain (mm) | 1 | 1 | 1 | 1 | - | 1 | 1 | - | - | - | 1 | 2 | 5 | 4 | 5 | - | 1 | 3 | 3 | 2 | - | 4 | 6 | 2 |
| Temp. °C | 9 | 9 | 9 | 10 | 9 | 9 | 9 | 10 | 10 | 10 | 10 | 11 | 11 | 11 | 12 | 12 | 12 | 12 | 12 | 12 | 11 | 12 | 13 | 12 |
| Feels °C (?) | 1 | 2 | 2 | 2 | 1 | 1 | 1 | 2 | 1 | -1 | -2 | 1 | 1 | 1 | 4 | 7 | 4 | 4 | 6 | 9 | 10 | 8 | 4 | 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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