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:
Crash Boat surfForecast / Puerto Rico / Puerto Rico
48hr Weather and Surf, issued 1 pm Saturday 13 Dec 2025 ASTForecast update in hr min s Forecast update imminent
Crash Boat surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Crash Boat sea temperature is
28.3° C
(Which is 1.1°C warmer than normal for this time of year)How big are the waves at Crash Boat today?
The current surf forecast for Crash Boat at 3PM is: 0.3m 11s primary swell from a North-northwest direction (forecast issued at 01:00pm December 13). An open ocean swell of 0.6m 11s is not directed at the surf break, a second open ocean swell of 0.8m 5s is not directed at the surf break. The wind direction is predicted to be offshore.
| Time (AST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (13 Dec) | 0.5ft (0.2m) | 5s |
| Afternoon (13 Dec) | 1ft (0.3m) | 11s |
| Evening (13 Dec) | 1.5ft (0.5m) | 10s |
Table - waves today at Crash Boat. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Saturday 13 | Sunday 14 | Monday 15 | Tuesday 16 | |||||||||||||||||||||
| 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) (?) | 12 | 11 | 11 | 10 | 10 | 9 | 9 | 9 | 8 | 8 | 8 | 10 | 10 | 9 | 11 | 9 | 9 | 10 | 10 | 9 | 9 | 8 | 8 | 8 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 14 | 25 | 46 | 58 | 55 | 75 | 71 | 52 | 39 | 26 | 20 | 31 | 32 | 44 | 57 | 25 | 25 | 49 | 47 | 28 | 26 | 22 | 21 | 21 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- off | cross- off | off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | off | cross- off | on | cross- off | cross- off | cross- off | cross- off | glass | cross- off | off | off | off | off | off | cross- off |
High Tide / height (m) | 3:06PM 0.30 | 4:37AM 0.37 | 3:53PM 0.26 | 5:27AM 0.40 | 4:42PM 0.23 | 6:10AM 0.42 | ||||||||||||||||||
Low Tide / height (m) | 9:45AM 0.16 | 9:44PM 0.05 | 11:04AM 0.16 | 10:23PM 0.03 | 12:10PM 0.14 | 11:03PM 0.00 | ||||||||||||||||||
Saturday 13 | Sunday 14 | Monday 15 | Tuesday 16 | |||||||||||||||||||||
| Sunrise | - | - | - | - | - | - | - | 6:52 | - | - | - | - | - | - | - | 6:52 | - | - | - | - | - | - | - | 6:52 |
| Sunset | - | - | 5:52 | - | - | - | - | - | - | - | 5:53 | - | - | - | - | - | - | - | 5:53 | - | - | - | - | - |
 |  |  |  | |  | | | | | | | | | | | | | | |  | | | | |
Rain (mm) | - | - | 1 | 1 | 1 | - | 1 | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 28 | 29 | 27 | 26 | 25 | 25 | 25 | 25 | 28 | 29 | 28 | 26 | 25 | 24 | 24 | 24 | 26 | 27 | 26 | 26 | 25 | 25 | 25 | 25 |
| Feels °C (?) | 28 | 29 | 25 | 25 | 25 | 26 | 26 | 26 | 29 | 30 | 30 | 27 | 27 | 26 | 27 | 26 | 28 | 29 | 28 | 28 | 28 | 27 | 27 | 28 |
- 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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