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:
E-Bay surfForecast / Mentawi Islands / Indonesia
48hr Weather and Surf, issued 6 pm Monday 15 Dec 2025 WIBForecast update in hr min s Forecast update imminent
E-Bay surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's E-Bay sea temperature is
29.2° C
(Which is slightly warmer than usual)How big are the waves at E-Bay today?
The current surf forecast for E-Bay at 9PM is: 0.5m 13s primary swell from a South-southwest direction (forecast issued at 06:00pm December 15). An open ocean swell of 0.4m 9s is not directed at the surf break. The wind direction is predicted to be glassy.
| Time (WIB) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (15 Dec) | - | - |
| Afternoon (15 Dec) | 1.5ft (0.4m) | 14s |
| Evening (15 Dec) | 1.5ft (0.5m) | 13s |
Table - waves today at E-Bay. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Monday 15 | Tuesday 16 | Wednesday 17 | Thursday 18 | |||||||||||||||||||||
| 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 | 10 AM | 1 PM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 14 | 13 | 13 | 13 | 18 | 18 | 18 | 18 | 17 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 15 | 15 | 15 | 15 | 15 | 14 | 14 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 67 | 92 | 99 | 98 | 98 | 124 | 124 | 123 | 119 | 153 | 151 | 149 | 175 | 171 | 217 | 212 | 212 | 209 | 358 | 344 | 246 | 242 | 186 | 239 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- off | cross- off | off | cross- off | cross- off | glass | glass | glass | cross- on | cross | glass | glass | glass | cross- off | cross- off | cross- off | cross- off | glass | glass | glass | glass | off | off | glass |
High Tide / height (m) | 3:28PM 0.97 | 3:40AM 0.65 | 4:12PM 1.01 | 4:33AM 0.65 | 4:52PM 1.06 | 5:18AM 0.65 | ||||||||||||||||||
Low Tide / height (m) | 10:16PM 0.37 | 8:53AM 0.28 | 11:00PM 0.30 | 9:39AM 0.25 | 11:35PM 0.23 | 10:23AM 0.21 | ||||||||||||||||||
Monday 15 | Tuesday 16 | Wednesday 17 | Thursday 18 | |||||||||||||||||||||
| Sunrise | - | - | - | - | - | 6:11 | - | - | - | - | - | - | - | 6:11 | - | - | - | - | - | - | - | 6:11 | - | - |
| Sunset | 6:23 | - | - | - | - | - | - | - | 6:24 | - | - | - | - | - | - | - | 6:24 | - | - | - | - | - | - | - |
 |  |  | |  |  | |  | | | |  | |  | | | | | | | | | | | |
Rain (mm) | - | - | 1 | - | - | - | - | 1 | 3 | 1 | 3 | 3 | 2 | 1 | 1 | 1 | 4 | 4 | 2 | 1 | - | - | - | - |
| Temp. °C | 25 | 26 | 26 | 26 | 26 | 26 | 27 | 27 | 27 | 26 | 26 | 26 | 25 | 26 | 26 | 26 | 26 | 26 | 26 | 25 | 25 | 25 | 27 | 27 |
| Feels °C (?) | 28 | 30 | 30 | 30 | 29 | 30 | 32 | 31 | 30 | 28 | 30 | 30 | 29 | 29 | 29 | 29 | 29 | 30 | 30 | 28 | 28 | 28 | 30 | 30 |
- 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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