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 12 pm Tuesday 16 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
9.2° C
(Which is normal for this time of year)Nearby Cam: 9km away, Webcam strand Blankenberge
| Time (CET) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (16 Dec) | - | - |
| Afternoon (16 Dec) | - | - |
| Evening (16 Dec) | 0.5ft (0.2m) | 5s |
Table - waves today at Den Haan. (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) (?) | 4 | 3 | 3 | 3 | 5 | 5 | 5 | 4 | 4 | 4 | 4 | 3 | 4 | 4 | 5 | 5 | 5 | 4 | 4 | 4 | 5 | 5 | 7 | 5 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 0 | 0 | 0 | 0 | 3 | 0 | 0 | 3 | 3 | 3 | 2 | 6 | 0 | 37 | 55 | 0 | 0 | 0 | 0 | 0 | 0 | 124 | 0 | 62 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- off | cross- off | cross- off | cross- off | cross | cross- on | cross- on | on | cross- on | cross | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross | cross- on | cross- on |
High Tide / height (m) | 11:07AM 3.45 | 11:40PM 3.54 | 12:00PM 3.63 | 12:25AM 3.69 | 12:44PM 3.83 | 1:05AM 3.85 | ||||||||||||||||||
Low Tide / height (m) | 5:30PM 1.15 | 5:55AM 1.19 | 6:17PM 1.05 | 6:37AM 1.05 | 7:00PM 0.95 | |||||||||||||||||||
Tuesday 16 | Wednesday 17 | Thursday 18 | Friday 19 | |||||||||||||||||||||
| Sunrise | - | - | - | - | - | - | - | - | 8:47 | - | - | - | - | - | - | - | 8:47 | - | - | - | - | - | - | - |
| Sunset | - | - | 4:39 | - | - | - | - | - | - | - | 4:39 | - | - | - | - | - | - | - | 4:39 | - | - | - | - | - |
 | | |  | | | |  |  | | | | | | |  | | | | | | | | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | 1 | - | - | - | - | - | 1 | - | - |
| Temp. °C | 8 | 10 | 10 | 11 | 11 | 10 | 9 | 9 | 8 | 8 | 8 | 8 | 8 | 8 | 9 | 9 | 9 | 10 | 11 | 12 | 13 | 12 | 10 | 9 |
| Feels °C (?) | 3 | 5 | 6 | 8 | 9 | 8 | 6 | 6 | 5 | 4 | 4 | 3 | 2 | 1 | 1 | 2 | 1 | 3 | 2 | 2 | 3 | 5 | 5 | 4 |
- 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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