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:
Jieshi Bay surfForecast / Guangdong / China
48hr Weather and Surf, issued 1 am Sunday 14 Dec 2025 CSTForecast update in hr min s Forecast update imminent
Jieshi Bay surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Jieshi Bay sea temperature is
20.6° C
(Which is slightly cooler than normal)How big are the waves at Jieshi Bay today?
The current surf forecast for Jieshi Bay at 5AM is: 0.6m 8s primary swell from a East-southeast direction (forecast issued at 01:00am December 14). An open ocean swell of 0.6m 4s is not directed at the surf break. The wind direction is predicted to be offshore.
| Time (CST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (14 Dec) | 2.5ft (0.8m) | 9s |
| Afternoon (14 Dec) | 4.5ft (1.3m) | 9s |
| Evening (14 Dec) | 4.5ft (1.4m) | 9s |
Table - waves today at Jieshi Bay. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Sunday 14 | Monday 15 | Tuesday 16 | ||||||||||||||||||||||
| 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 | 11 AM | 2 PM | 5 PM | 8 PM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |  |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 8 | 8 | 8 | 9 | 9 | 9 | 9 | 9 | 10 | 9 | 9 | 8 | 9 | 9 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 47 | 49 | 53 | 86 | 92 | 235 | 216 | 340 | 414 | 440 | 355 | 499 | 315 | 349 | 341 | 286 | 244 | 273 | 398 | 341 | 328 | 266 | 136 | 125 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | off | off | off | cross- off | cross- off | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross- on | cross | cross | cross- off | cross- off | cross- off | glass | on | on | cross |
High Tide / height (m) | 4:52AM 0.73 | 11:26AM 0.64 | 5:36PM 1.02 | 6:23AM 0.65 | 6:01PM 1.12 | 8:02AM 0.62 | 6:29PM 1.20 | |||||||||||||||||
Low Tide / height (m) | 1:31AM 0.60 | 8:30AM 0.60 | 11:56AM 0.64 | 2:18AM 0.44 | 8:35AM 0.61 | 3:00AM 0.31 | 8:36AM 0.61 | |||||||||||||||||
Sunday 14 | Monday 15 | Tuesday 16 | ||||||||||||||||||||||
| Sunrise | - | - | - | 6:48 | - | - | - | - | - | - | - | 6:48 | - | - | - | - | - | - | - | 6:50 | - | - | - | - |
| Sunset | - | - | - | - | - | - | 5:34 | - | - | - | - | - | - | - | 5:34 | - | - | - | - | - | - | - | 5:34 | - |
 | | |  |  | |  |  |  | | | | | | | | | | | | | | | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 13 | 12 | 12 | 11 | 16 | 20 | 20 | 16 | 15 | 14 | 13 | 12 | 16 | 18 | 17 | 15 | 15 | 14 | 14 | 14 | 18 | 21 | 20 | 18 |
| Feels °C (?) | 7 | 7 | 7 | 6 | 12 | 17 | 16 | 12 | 11 | 10 | 10 | 9 | 12 | 13 | 12 | 12 | 12 | 12 | 12 | 13 | 17 | 19 | 18 | 17 |
- 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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