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:
Jonas Beach or Jieh beach surfForecast / Lebanon / Lebanon
48hr Weather and Surf, issued 1 am Wednesday 17 Dec 2025 EETForecast update in hr min s Forecast update imminent
Jonas Beach or Jieh beach surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Jonas Beach or Jieh beach sea temperature is
22.4° C
(Which is 3.0°C warmer than normal for this time of year)How big are the waves at Jonas Beach or Jieh beach today?
The current surf forecast for Jonas Beach or Jieh beach at 8AM is: 0.9m 6s primary swell from a North direction and 0.3m 6s secondary swell from a West-northwest direction (forecast issued at 01:00am December 17). The wind direction is predicted to be offshore.
| Time (EET) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (17 Dec) | 3.5ft (1.0m) | 6s |
| Afternoon (17 Dec) | 0.5ft (0.2m) | 6s |
| Evening (17 Dec) | 3.5ft (1.1m) | 6s |
Table - waves today at Jonas Beach or Jieh beach. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Wednesday 17 | Thursday 18 | Friday 19 | ||||||||||||||||||||||
| 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) (?) | 5 | 5 | 5 | 6 | 6 | 6 | 6 | 6 | 5 | 5 | 5 | 7 | 7 | 7 | 6 | 6 | 6 | 4 | 5 | 5 | 5 | 5 | 5 | 5 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 43 | 43 | 32 | 49 | 76 | 163 | 3 | 96 | 35 | 17 | 11 | 11 | 5 | 4 | 3 | 3 | 2 | 4 | 13 | 12 | 12 | 12 | 13 | 13 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- off | cross- off | off | off | cross- on | cross | cross- off | off | off | glass | off | off | cross- on | cross | cross | off | glass | glass | cross- off | glass | glass | glass | glass | glass |
High Tide / height (m) | 8:41AM 0.28 | 8:30PM 0.36 | 9:16AM 0.29 | 9:03PM 0.38 | 9:48AM 0.29 | |||||||||||||||||||
Low Tide / height (m) | 2:36AM 0.06 | 2:13PM 0.11 | 3:10AM 0.04 | 2:47PM 0.10 | 3:43AM 0.03 | 3:20PM 0.10 | ||||||||||||||||||
Wednesday 17 | Thursday 18 | Friday 19 | ||||||||||||||||||||||
| Sunrise | - | - | - | 6:35 | - | - | - | - | - | - | - | 6:35 | - | - | - | - | - | - | - | 6:37 | - | - | - | - |
| Sunset | - | - | - | - | - | 4:30 | - | - | - | - | - | - | - | 4:31 | - | - | - | - | - | - | - | 4:31 | - | - |
 | |  |  | | | | | | | | | | | | | | | | |  | | | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 15 | 14 | 13 | 13 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 17 | 17 | 17 | 16 | 17 | 17 | 16 | 16 | 18 | 18 | 18 | 18 |
| Feels °C (?) | 11 | 11 | 8 | 9 | 12 | 8 | 10 | 11 | 12 | 13 | 12 | 12 | 15 | 14 | 15 | 14 | 15 | 16 | 15 | 15 | 17 | 17 | 17 | 18 |
- 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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