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:
Boiler surfForecast / Carolina North / USA
48hr Weather and Surf, issued 12 pm Saturday 13 Dec 2025 ESTForecast update in hr min s Forecast update imminent
Boiler surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Boiler sea temperature is
10.5° C
(Which is 8.2°C colder than average for this time of year)How big are the waves at Boiler today?
The current surf forecast for Boiler at 7PM is: 0.1m 7s primary swell from a Southeast direction and 0.1m 9s secondary swell from a East direction (forecast issued at 12:00pm December 13). An open ocean swell of 0.3m 2s is not directed at the surf break. The wind direction is predicted to be cross-offshore.
| Time (EST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (13 Dec) | 0.5ft (0.1m) | 8s |
| Afternoon (13 Dec) | 0.5ft (0.2m) | 8s |
| Evening (13 Dec) | 0.5ft (0.1m) | 9s |
Table - waves today at Boiler. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Saturday 13 | Sunday 14 | Monday 15 | Tuesday 16 | |||||||||||||||||||||
| 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 | 10 PM | 1 AM | 4 AM | 7 AM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 4 | 8 | 8 | 9 | 9 | 18 | 9 | 7 | 8 | 6 | 9 | 9 | 9 | 10 | 10 | 10 | 8 | 8 | 8 | 8 | 7 | 7 | 7 | 10 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 3 | 6 | 6 | 2 | 2 | 6 | 2 | 8 | 15 | 229 | 8 | 8 | 8 | 9 | 10 | 10 | 335 | 375 | 136 | 101 | 56 | 34 | 23 | 20 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- off | cross- off | off | cross- off | off | off | off | off | cross | cross | cross | cross | cross- off | cross- off | cross | cross | cross | cross- off | cross- off | off | off | off | off | off |
High Tide / height (m) | 2:58PM 0.42 | 3:45AM 0.56 | 3:57PM 0.40 | 4:31AM 0.57 | 4:50PM 0.38 | 5:13AM 0.57 | ||||||||||||||||||
Low Tide / height (m) | 9:08AM 0.03 | 9:08PM 0.01 | 10:05AM 0.02 | 9:53PM 0.01 | 10:56AM 0.02 | 10:37PM 0.01 | ||||||||||||||||||
Saturday 13 | Sunday 14 | Monday 15 | Tuesday 16 | |||||||||||||||||||||
| Sunrise | - | - | - | - | - | - | - | - | 7:03 | - | - | - | - | - | - | - | 7:03 | - | - | - | - | - | - | - |
| Sunset | - | - | 4:49 | - | - | - | - | - | - | - | 4:49 | - | - | - | - | - | - | - | 4:49 | - | - | - | - | - |
 | | |  | | | |  |  |  |  |  | | | | |  | | | | | | | | |
Rain (mm) | - | - | - | - | - | - | - | - | 2 | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 11 | 15 | 15 | 16 | 15 | 15 | 15 | 16 | 5 | 2 | 1 | -1 | -4 | -4 | -2 | -2 | -2 | -2 | 0 | 1 | 2 | 3 | 3 | 3 |
| Feels °C (?) | 7 | 11 | 11 | 12 | 11 | 11 | 10 | 10 | -7 | -10 | -11 | -15 | -18 | -17 | -15 | -13 | -11 | -9 | -5 | -5 | -5 | -5 | -6 | -5 |
- 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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