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:
Hornhole surfForecast / Sjelland / Denmark
48hr Weather and Surf, issued 12 pm Tuesday 16 Dec 2025 CETForecast update in hr min s Forecast update imminent
Hornhole surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Hornhole sea temperature is
7.1° C
(Which is 3.4°C warmer than normal for this time of year)| Time (CET) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (16 Dec) | 0.5ft (0.2m) | 3s |
| Afternoon (16 Dec) | 0.5ft (0.2m) | 4s |
| Evening (16 Dec) | - | - |
Table - waves today at Hornhole. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Tuesday 16 | Wednesday 17 | Thursday 18 | Friday 19 | |||||||||||||||||||||
| 10 AM | 1 PM | 4 PM | 7 PM | 10 PM | 1 AM | 4 AM | 7 AM | 10 AM | 1 PM | 4 PM | 7 PM | 10 PM | 1 AM | 4 AM | 7 AM | 10 AM | 1 PM | 4 PM | 7 PM | 10 PM | 1 AM | 4 AM | 7 AM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | — | — | — | |||||||||||||||||||||
| Period(s) (?) | 3 | 4 | 4 | - | 2 | 3 | 3 | 4 | 4 | 4 | 3 | 3 | - | 4 | - | 4 | 3 | 4 | 5 | 10 | 5 | 10 | 4 | 4 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 1 | 0 | 1 | 0 | 1 | 0 | 0 | 9 | 2 | 4 | 2 | 0 | 0 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | off | off | off | off | off | off | off | off | cross- off | cross- off | cross | cross- off | cross- off | cross- off | off | off | off | cross- off | off | off | off | off | off | off |
High Tide / height (m) | 6:49PM 0.17 | 7:05AM 0.13 | 7:32PM 0.18 | 7:41AM 0.14 | 8:15PM 0.19 | |||||||||||||||||||
Low Tide / height (m) | 12:17PM 0.02 | 1:16AM 0.03 | 12:57PM 0.02 | 1:56AM 0.04 | 1:38PM 0.03 | 2:35AM 0.05 | ||||||||||||||||||
Tuesday 16 | Wednesday 17 | Thursday 18 | Friday 19 | |||||||||||||||||||||
| Sunrise | - | - | - | - | - | - | - | - | 8:37 | - | - | - | - | - | - | - | 8:37 | - | - | - | - | - | - | - |
| Sunset | - | 3:33 | - | - | - | - | - | - | - | 3:33 | - | - | - | - | - | - | - | 3:34 | - | - | - | - | - | - |
 |  |  |  | |  | | |  | | | | | | | | | | | | | | | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 5 | 6 | 7 | 6 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 6 | 5 | 6 | 6 | 6 | 6 | 7 | 7 | 7 | 7 |
| Feels °C (?) | 1 | 3 | 3 | 1 | 2 | 2 | 2 | 3 | 4 | 4 | 5 | 5 | 4 | 4 | 2 | 0 | 0 | 0 | 1 | 1 | 1 | 0 | -1 | 0 |
- 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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