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 am Friday 12 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
29.3° C
(Which is slightly warmer than usual)How big are the waves at E-Bay today?
The current surf forecast for E-Bay at 1PM is: 0.5m 16s primary swell from a South direction and 0.4m 12s secondary swell from a South-southwest direction (forecast issued at 06:00am December 12). An open ocean swell of 0.3m 3s is not directed at the surf break. The wind direction is predicted to be offshore.
| Time (WIB) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (12 Dec) | 2ft (0.6m) | 13s |
| Afternoon (12 Dec) | 2ft (0.6m) | 16s |
| Evening (12 Dec) | 2ft (0.6m) | 14s |
Table - waves today at E-Bay. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Friday 12 | Saturday 13 | Sunday 14 | Mon 15 | |||||||||||||||||||||
| 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 | 4 PM | 7 PM | 10 PM | 1 AM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 15 | 15 | 13 | 16 | 16 | 14 | 14 | 14 | 14 | 14 | 12 | 13 | 13 | 13 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 87 | 89 | 127 | 118 | 170 | 134 | 148 | 148 | 146 | 142 | 151 | 156 | 119 | 117 | 113 | 108 | 106 | 75 | 75 | 72 | 72 | 72 | 72 | 70 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | off | cross- off | cross- off | off | off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | off | off | cross- off | cross- off | cross | cross- on | glass | glass | cross | cross- off | cross- off |
High Tide / height (m) | 12:33PM 0.81 | 12:20AM 0.81 | 1:39PM 0.86 | 1:29AM 0.73 | 2:37PM 0.91 | |||||||||||||||||||
Low Tide / height (m) | 5:34AM 0.23 | 5:45PM 0.43 | 6:22AM 0.27 | 7:18PM 0.47 | 7:12AM 0.29 | 9:04PM 0.43 | ||||||||||||||||||
Friday 12 | Saturday 13 | Sunday 14 | Mon 15 | |||||||||||||||||||||
| Sunrise | - | 6:09 | - | - | - | - | - | - | - | 6:09 | - | - | - | - | - | - | - | 6:09 | - | - | - | - | - | - |
| Sunset | - | - | - | - | 6:22 | - | - | - | - | - | - | - | 6:22 | - | - | - | - | - | - | - | 6:23 | - | - | - |
 |  |  |  | |  | | | |  | | | | | | | | | | | | |  | | |
Rain (mm) | 2 | 11 | 1 | 1 | 3 | 3 | 3 | 3 | 5 | 8 | 9 | 2 | 6 | 5 | 3 | 4 | 1 | 1 | 1 | 4 | 2 | 2 | 2 | 3 |
| Temp. °C | 24 | 23 | 25 | 26 | 26 | 26 | 25 | 25 | 25 | 25 | 25 | 24 | 24 | 24 | 24 | 24 | 25 | 25 | 26 | 26 | 26 | 26 | 26 | 25 |
| Feels °C (?) | 26 | 24 | 27 | 28 | 29 | 27 | 26 | 26 | 26 | 27 | 26 | 25 | 27 | 27 | 28 | 28 | 29 | 28 | 30 | 30 | 30 | 29 | 29 | 27 |
- 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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