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:
Shark Bay surfForecast / Aruba / Aruba
48hr Weather and Surf, issued 1 pm Tuesday 16 Dec 2025 ASTForecast update in hr min s Forecast update imminent
Shark Bay surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Shark Bay sea temperature is
27.9° C
(Which is 1.2°C warmer than normal for this time of year)How big are the waves at Shark Bay today?
The current surf forecast for Shark Bay at 6PM is: 1.6m 6s primary swell from a East direction and 0.4m 10s secondary swell from a East direction, 0.2m 14s secondary swell from a North-northeast direction (forecast issued at 01:00pm December 16). The wind direction is predicted to be cross-offshore.
| Time (AST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (16 Dec) | 6ft (1.9m) | 6s |
| Afternoon (16 Dec) | 5ft (1.6m) | 6s |
| Evening (16 Dec) | 5ft (1.6m) | 9s |
Table - waves today at Shark Bay. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Tuesday 16 | Wednesday 17 | Thursday 18 | Friday 19 | |||||||||||||||||||||
| 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 | 11 PM | 2 AM | 5 AM | 8 AM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 6 | 6 | 6 | 9 | 9 | 15 | 16 | 10 | 10 | 10 | 9 | 9 | 14 | 14 | 6 | 6 | 7 | 7 | 7 | 8 | 7 | 7 | 7 | 7 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 233 | 213 | 220 | 422 | 451 | 21 | 24 | 74 | 98 | 98 | 388 | 397 | 20 | 19 | 239 | 293 | 376 | 439 | 358 | 416 | 414 | 456 | 426 | 375 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off |
High Tide / height (m) | 10:00AM 0.35 | 10:32AM 0.35 | 11:07AM 0.36 | |||||||||||||||||||||
Low Tide / height (m) | 7:40PM 0.03 | 8:17PM 0.01 | 8:56PM -0.01 | |||||||||||||||||||||
Tuesday 16 | Wednesday 17 | Thursday 18 | Friday 19 | |||||||||||||||||||||
| Sunrise | - | - | - | - | - | - | - | 6:54 | - | - | - | - | - | - | - | 6:54 | - | - | - | - | - | - | - | 6:54 |
| Sunset | - | - | 6:16 | - | - | - | - | - | - | - | 6:16 | - | - | - | - | - | - | - | 6:17 | - | - | - | - | - |
 | |  |  |  | | | | | | | | | | | | | | | | | | |  | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | 1 |
| Temp. °C | 26 | 26 | 27 | 27 | 26 | 26 | 27 | 26 | 27 | 27 | 27 | 27 | 26 | 26 | 26 | 26 | 27 | 27 | 27 | 26 | 26 | 26 | 26 | 26 |
| Feels °C (?) | 24 | 24 | 25 | 24 | 24 | 24 | 26 | 24 | 26 | 26 | 26 | 26 | 24 | 24 | 24 | 24 | 25 | 25 | 25 | 24 | 23 | 24 | 24 | 24 |
- Map Icons:
Break
Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
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