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:
Rags Right surfForecast / Mentawi Islands / Indonesia
48hr Weather and Surf, issued 12 am Saturday 13 Dec 2025 WIBForecast update in hr min s Forecast update imminent
Rags Right surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Rags Right sea temperature is
29.5° C
(Which is 1.0°C warmer than normal for this time of year)How big are the waves at Rags Right today?
The current surf forecast for Rags Right at 7AM is: 0.7m 13s primary swell from a South-southwest direction and 0.6m 12s secondary swell from a Southwest direction, 1.0m 5s secondary swell from a North-northwest direction (forecast issued at 12:00am December 13). The wind direction is predicted to be cross-shore.
| Time (WIB) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (13 Dec) | 2.5ft (0.7m) | 13s |
| Afternoon (13 Dec) | 2.5ft (0.8m) | 13s |
| Evening (13 Dec) | 5ft (1.5m) | 7s |
Table - waves today at Rags Right. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Saturday 13 | Sunday 14 | Monday 15 | ||||||||||||||||||||||
| 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 | 4 PM | 7 PM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |  |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 14 | 14 | 14 | 13 | 13 | 6 | 13 | 13 | 13 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 9 | 9 | 9 | 8 | 8 | 8 | 8 | 8 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 215 | 215 | 210 | 187 | 198 | 261 | 237 | 192 | 142 | 172 | 169 | 169 | 180 | 144 | 123 | 123 | 363 | 575 | 550 | 489 | 372 | 275 | 233 | 180 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- on | cross | cross | cross | cross- on | cross- on | on | cross- on | cross- on | cross- on | cross | glass | cross | cross- on | on | on | cross- on | cross- on | on | cross- on | cross- on | cross- on | cross- on | cross- on |
High Tide / height (m) | 11:49PM 0.66 | 1:22PM 0.71 | 12:55AM 0.58 | 2:20PM 0.76 | 2:07AM 0.53 | 3:10PM 0.80 | ||||||||||||||||||
Low Tide / height (m) | 6:20AM 0.22 | 7:34PM 0.40 | 7:06AM 0.23 | 9:10PM 0.36 | 7:53AM 0.24 | |||||||||||||||||||
Saturday 13 | Sunday 14 | Monday 15 | ||||||||||||||||||||||
| Sunrise | - | - | - | 6:03 | - | - | - | - | - | - | - | 6:03 | - | - | - | - | - | - | - | 6:05 | - | - | - | - |
| Sunset | - | - | - | - | - | - | 6:22 | - | - | - | - | - | - | - | 6:22 | - | - | - | - | - | - | - | 6:22 | - |
 |  | |  |  |  | | | | |  |  | | | | | |  | | | | | | | |
Rain (mm) | - | 1 | - | - | 3 | 7 | 6 | 3 | 1 | 3 | 2 | - | - | 1 | 4 | 5 | 5 | 7 | 6 | 14 | 17 | 13 | 4 | 4 |
| Temp. °C | 26 | 26 | 25 | 26 | 26 | 25 | 25 | 25 | 25 | 24 | 24 | 24 | 26 | 27 | 27 | 25 | 25 | 24 | 26 | 25 | 24 | 24 | 25 | 25 |
| Feels °C (?) | 29 | 28 | 27 | 28 | 26 | 24 | 25 | 26 | 27 | 26 | 27 | 28 | 29 | 30 | 29 | 27 | 26 | 24 | 25 | 24 | 24 | 23 | 26 | 26 |
- 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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