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:
Dadonghai surfForecast / Hainan / China
48hr Weather and Surf, issued 1 pm Tuesday 16 Dec 2025 CSTForecast update in hr min s Forecast update imminent
Dadonghai surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Dadonghai sea temperature is
25.1° C
(Which is slightly warmer than usual)Updates in hr min s Forecast update imminent
Tuesday 16 | Wednesday 17 | Thursday 18 | Friday 19 | |||||||||||||||||||||
| 11 AM | 2 PM | 5 PM | 8 PM | 11 PM | 2 AM | 5 AM | 8 AM | 11 AM | 2 PM | 5 PM | 8 PM | 11 PM | 2 AM | 5 AM | 8 AM | 11 AM | 2 PM | 5 PM | 8 PM | 11 PM | 2 AM | 5 AM | 8 AM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 9 | 9 | 8 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 |
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 | cross- off | cross | 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 | glass | glass | off | off | glass | glass |
High Tide / height (m) | 10:19AM 0.66 | 8:14PM 1.34 | 8:44PM 1.42 | 9:17PM 1.49 | ||||||||||||||||||||
Low Tide / height (m) | 11:18AM 0.66 | 4:48AM 0.32 | 5:26AM 0.21 | 6:03AM 0.14 | ||||||||||||||||||||
Tuesday 16 | Wednesday 17 | Thursday 18 | Friday 19 | |||||||||||||||||||||
| Sunrise | - | - | - | - | - | - | - | 7:05 | - | - | - | - | - | - | - | 7:05 | - | - | - | - | - | - | - | 7:07 |
| Sunset | - | - | 6:07 | - | - | - | - | - | - | - | 6:07 | - | - | - | - | - | - | - | 6:08 | - | - | - | - | - |
 | | |  |  | | |  | | | | | | | | | | | | | | |  |  | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 25 | 26 | 25 | 23 | 22 | 22 | 22 | 22 | 25 | 27 | 26 | 22 | 21 | 21 | 20 | 20 | 25 | 25 | 24 | 22 | 22 | 21 | 22 | 22 |
| Feels °C (?) | 25 | 25 | 25 | 24 | 23 | 23 | 23 | 23 | 24 | 25 | 25 | 21 | 21 | 21 | 19 | 19 | 24 | 24 | 26 | 23 | 23 | 22 | 24 | 24 |
- Map Icons:
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Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
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