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:
Matunuck surfForecast / Rhode Island / USA
48hr Weather and Surf, issued 12 am Friday 12 Dec 2025 ESTForecast update in hr min s Forecast update imminent
Matunuck surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Matunuck sea temperature is
9.0° C
(Which is normal for this time of year)| 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 Matunuck. (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 | 6 | 6 | 9 | 6 | 6 | 5 | 4 | 5 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 7 | 7 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 15 | 16 | 0 | 0 | 0 | 2 | 96 | 0 | 2 | 46 | 31 | 19 | 29 | 70 | 144 | 141 | 118 | 120 | 47 | 31 | 18 | 12 | 11 | 17 |
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 | cross | cross | cross | cross | cross- off | cross- off | cross- off | off | off | cross- off | cross- off | off |
High Tide / height (m) | 1:34AM 0.79 | 1:58PM 0.73 | 2:32AM 0.79 | 2:53PM 0.69 | 3:25AM 0.81 | 3:45PM 0.68 | ||||||||||||||||||
Low Tide / height (m) | 7:41PM 0.06 | 8:23AM 0.10 | 8:40PM 0.08 | 9:30AM 0.11 | 9:33PM 0.08 | 10:28AM 0.10 | ||||||||||||||||||
Friday 12 | Saturday 13 | Sunday 14 | ||||||||||||||||||||||
| Sunrise | - | - | - | - | 7:01 | - | - | - | - | - | - | - | 7:03 | - | - | - | - | - | - | - | 7:03 | - | - | - |
| Sunset | - | - | - | - | - | - | 4:15 | - | - | - | - | - | - | - | 4:15 | - | - | - | - | - | - | - | 4:16 | - |
 | | | |  | | | | | |  | |  | | | | | | |  | |  | |  | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | -3 | -4 | -4 | -4 | -3 | 0 | 1 | 0 | -1 | -1 | -1 | 0 | 3 | 5 | 5 | 4 | 2 | 2 | 1 | -3 | -3 | -2 | -2 | -5 |
| Feels °C (?) | -13 | -15 | -14 | -13 | -13 | -9 | -7 | -8 | -8 | -8 | -7 | -6 | -4 | -2 | -3 | -3 | -4 | -4 | -5 | -9 | -10 | -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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