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:
Jetty surfForecast / Long Island NY / USA
48hr Weather and Surf, issued 12 am Monday 15 Dec 2025 ESTForecast update in hr min s Forecast update imminent
Jetty surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Jetty sea temperature is
8.3° C
(Which is 1.1°C colder than average for this time of year)How big are the waves at Jetty today?
The current surf forecast for Jetty at 5AM is: 0.5m 9s primary swell from a South-southeast direction and 0.1m 6s secondary swell from a East direction (forecast issued at 12:00am December 15). An open ocean swell of 0.8m 4s is not directed at the surf break. The wind direction is predicted to be offshore.
| Time (EST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (15 Dec) | 1ft (0.3m) | 9s |
| Afternoon (15 Dec) | 0.5ft (0.2m) | 10s |
| Evening (15 Dec) | 1ft (0.3m) | 11s |
Table - waves today at Jetty. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Monday 15 | Tuesday 16 | Wednesday 17 | ||||||||||||||||||||||
| 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) (?) | 7 | 9 | 9 | 9 | 9 | 10 | 10 | 11 | 11 | 11 | 11 | 5 | 5 | 5 | 11 | 11 | 10 | 5 | 5 | 6 | 6 | 7 | 7 | 7 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 21 | 17 | 49 | 42 | 14 | 10 | 17 | 18 | 18 | 18 | 18 | 28 | 32 | 31 | 21 | 18 | 17 | 22 | 42 | 71 | 131 | 175 | 191 | 362 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | off | off | off | 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 | cross | cross | cross | cross- off |
High Tide / height (m) | 3:54AM 0.87 | 4:13PM 0.72 | 4:39AM 0.91 | 4:59PM 0.72 | 5:21AM 0.94 | 5:42PM 0.73 | ||||||||||||||||||
Low Tide / height (m) | 8:52PM 0.11 | 10:20AM 0.15 | 9:34PM 0.10 | 11:06AM 0.12 | 10:17PM 0.08 | 11:40AM 0.09 | ||||||||||||||||||
Monday 15 | Tuesday 16 | Wednesday 17 | ||||||||||||||||||||||
| Sunrise | - | - | - | - | 7:07 | - | - | - | - | - | - | - | 7:07 | - | - | - | - | - | - | - | 7:07 | - | - | - |
| Sunset | - | - | - | - | - | - | 4:22 | - | - | - | - | - | - | - | 4:23 | - | - | - | - | - | - | - | 4:23 | - |
 | | | |  |  |  |  | |  | | | | | | | | | | | | | | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | -5 | -7 | -8 | -7 | -6 | -4 | -3 | -2 | -2 | -3 | -3 | -3 | -3 | -3 | -2 | -1 | 1 | 3 | 5 | 6 | 6 | 6 | 7 | 6 |
| Feels °C (?) | -17 | -19 | -19 | -17 | -16 | -13 | -12 | -10 | -10 | -12 | -11 | -10 | -9 | -8 | -8 | -8 | -7 | -6 | -5 | -4 | -4 | -4 | -3 | -3 |
- 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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