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:
Riviere Noire Harbour surfForecast / Mauritius / Mauritius
48hr Weather and Surf, issued 3 pm Monday 15 Dec 2025 +04Forecast update in hr min s Forecast update imminent
Riviere Noire Harbour surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Riviere Noire Harbour sea temperature is
27.6° C
(Which is 1.2°C warmer than normal for this time of year)How big are the waves at Riviere Noire Harbour today?
The current surf forecast for Riviere Noire Harbour at 5PM is: 0.6m 18s primary swell from a Southwest direction and 0.9m 11s secondary swell from a South-southwest direction, 1.3m 8s secondary swell from a Southeast direction (forecast issued at 03:00pm December 15). The wind direction is predicted to be offshore.
| Time (+04) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (15 Dec) | - | - |
| Afternoon (15 Dec) | 4.5ft (1.3m) | 8s |
| Evening (15 Dec) | 2ft (0.6m) | 18s |
Table - waves today at Riviere Noire Harbour. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Monday 15 | Tuesday 16 | Wednesday 17 | Thursday 18 | |||||||||||||||||||||
| 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 | 4 AM | 7 AM | 10 AM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 12 | 8 | 18 | 18 | 17 | 16 | 16 | 16 | 16 | 16 | 15 | 15 | 15 | 14 | 14 | 14 | 14 | 13 | 13 | 13 | 13 | 14 | 14 | 14 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 260 | 197 | 197 | 194 | 186 | 260 | 254 | 366 | 361 | 352 | 322 | 309 | 410 | 398 | 393 | 387 | 371 | 340 | 286 | 242 | 242 | 459 | 459 | 514 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | off | off | off | off | off | off | cross- off | off | off | off | off | off | off | off | off | off | off | off | off | off | off | off | off | cross- off |
High Tide / height (m) | 10:09AM 0.55 | 11:10PM 0.49 | 10:38AM 0.57 | 11:42PM 0.51 | 11:07AM 0.60 | 12:11AM 0.53 | ||||||||||||||||||
Low Tide / height (m) | 4:48PM 0.20 | 4:32AM 0.28 | 5:19PM 0.15 | 5:08AM 0.26 | 5:49PM 0.10 | 5:41AM 0.24 | ||||||||||||||||||
Monday 15 | Tuesday 16 | Wednesday 17 | Thursday 18 | |||||||||||||||||||||
| Sunrise | - | - | - | - | - | - | 5:24 | - | - | - | - | - | - | - | 5:24 | - | - | - | - | - | - | - | 5:24 | - |
| Sunset | - | 6:45 | - | - | - | - | - | - | - | 6:45 | - | - | - | - | - | - | - | 6:46 | - | - | - | - | - | - |
 |  |  | | | | | | | |  | | | | | | |  | | | | |  | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | 1 | 1 |
| Temp. °C | 27 | 26 | 25 | 25 | 25 | 25 | 25 | 27 | 27 | 27 | 26 | 25 | 25 | 24 | 25 | 27 | 28 | 27 | 26 | 25 | 25 | 25 | 25 | 26 |
| Feels °C (?) | 24 | 23 | 23 | 22 | 23 | 23 | 23 | 24 | 25 | 24 | 24 | 23 | 24 | 23 | 24 | 24 | 25 | 25 | 25 | 23 | 24 | 24 | 24 | 24 |
- 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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