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:
Monahans Dock surfForecast / Rhode Island / USA
48hr Weather and Surf, issued 12 am Friday 12 Dec 2025 ESTForecast update in hr min s Forecast update imminent
Monahans Dock surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Monahans Dock sea temperature is
8.5° C
(Which is slightly cooler than normal)| Time (EST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (12 Dec) | - | - |
| Afternoon (12 Dec) | 0.5ft (0.1m) | 9s |
| Evening (12 Dec) | 0.5ft (0.1m) | 9s |
Table - waves today at Monahans Dock. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Friday 12 | Saturday 13 | Sunday 14 | ||||||||||||||||||||||
| 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) (?) | 9 | 9 | 7 | 7 | 7 | 9 | 9 | 6 | 9 | 6 | 7 | 6 | 10 | 10 | 9 | 8 | 8 | 8 | 6 | 6 | 6 | 6 | 7 | 7 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 15 | 16 | 0 | 0 | 0 | 2 | 2 | 0 | 2 | 0 | 1 | 4 | 3 | 4 | 8 | 7 | 6 | 6 | 47 | 31 | 18 | 12 | 11 | 17 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | off | off | off | off | off | off | off | off | off | off | off | cross- off | cross- off | cross- off | cross- off | off | off | off | off | cross- off | cross- off | cross- off | cross- off | cross- off |
High Tide / height (m) | 1:30AM 0.92 | 1:46PM 0.81 | 2:26AM 0.93 | 2:43PM 0.76 | 3:19AM 0.94 | 3:38PM 0.74 | ||||||||||||||||||
Low Tide / height (m) | 7:25PM 0.07 | 8:17AM 0.16 | 8:22PM 0.09 | 9:19AM 0.15 | 9:12PM 0.10 | 10:13AM 0.13 | ||||||||||||||||||
Friday 12 | Saturday 13 | Sunday 14 | ||||||||||||||||||||||
| Sunrise | - | - | - | - | 7:01 | - | - | - | - | - | - | - | 7:03 | - | - | - | - | - | - | - | 7:03 | - | - | - |
| Sunset | - | - | - | - | - | - | 4:15 | - | - | - | - | - | - | - | 4:15 | - | - | - | - | - | - | - | 4:15 | - |
 | | | |  | | | | | |  | |  | | | | | | |  | | | | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | -3 | -4 | -4 | -5 | -3 | 0 | 1 | 0 | -1 | -1 | -1 | 0 | 3 | 4 | 5 | 3 | 2 | 1 | 1 | -3 | -2 | -2 | -2 | -5 |
| Feels °C (?) | -12 | -14 | -13 | -14 | -12 | -9 | -7 | -8 | -8 | -7 | -7 | -6 | -4 | -3 | -2 | -3 | -4 | -4 | -5 | -9 | -9 | -10 | -10 | -14 |
- 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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