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:
Den Haan surfForecast / North Sea / Belgium
48hr Weather and Surf, issued 6 am Sunday 14 Dec 2025 CETForecast update in hr min s Forecast update imminent
Den Haan surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Den Haan sea temperature is
9.1° C
(Which is normal for this time of year)How big are the waves at Den Haan today?
The current surf forecast for Den Haan at 10AM is: 0.6m 4s primary swell from a Southwest direction (forecast issued at 06:00am December 14). The wind direction is predicted to be cross-offshore.
| Time (CET) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (14 Dec) | 2ft (0.6m) | 4s |
| Afternoon (14 Dec) | 2.5ft (0.7m) | 4s |
| Evening (14 Dec) | - | - |
Table - waves today at Den Haan. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Sunday 14 | Monday 15 | Tuesday 16 | Wed 17 | |||||||||||||||||||||
| 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 | 10 AM | 1 PM | 4 PM | 7 PM | 10 PM | 1 AM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 3 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 6 | 4 | 4 | 4 | 4 | 4 | 4 | 3 | 6 | 5 | 4 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 5 | 9 | 12 | 14 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 1 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross |
High Tide / height (m) | 8:46AM 3.33 | 9:38PM 3.36 | 10:01AM 3.33 | 10:45PM 3.41 | 11:07AM 3.45 | 11:40PM 3.54 | ||||||||||||||||||
Low Tide / height (m) | 3:19AM 1.49 | 3:42PM 1.20 | 4:16AM 1.44 | 4:38PM 1.20 | 5:08AM 1.33 | 5:30PM 1.15 | ||||||||||||||||||
Sunday 14 | Monday 15 | Tuesday 16 | Wed 17 | |||||||||||||||||||||
| Sunrise | - | - | 8:44 | - | - | - | - | - | - | - | 8:45 | - | - | - | - | - | - | - | 8:45 | - | - | - | - | - |
| Sunset | - | - | - | - | 4:38 | - | - | - | - | - | - | - | 4:39 | - | - | - | - | - | - | - | 4:39 | - | - | - |
 | |  | | | | | | | | | |  |  | | | | | |  | | | |  | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 8 | 8 | 7 | 8 | 9 | 8 | 7 | 7 | 7 | 7 | 7 | 9 | 9 | 9 | 9 | 9 | 8 | 9 | 10 | 11 | 11 | 11 | 11 | 10 |
| Feels °C (?) | 3 | 3 | 2 | 3 | 4 | 2 | 1 | 0 | 0 | 0 | -1 | 2 | 3 | 3 | 3 | 4 | 2 | 4 | 4 | 6 | 7 | 7 | 7 | 7 |
- 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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