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 Friday 12 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 6PM is: 0.4m 6s primary swell from a North-northeast direction and 0.1m 7s secondary swell from a Southeast direction (forecast issued at 12:00pm December 12). The wind direction is predicted to be cross-offshore.
| Time (EST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (12 Dec) | 1.5ft (0.5m) | 5s |
| Afternoon (12 Dec) | 1.5ft (0.4m) | 6s |
| Evening (12 Dec) | 1ft (0.3m) | 5s |
Table - waves today at Boiler. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Friday 12 | Saturday 13 | Sunday 14 | Monday 15 | |||||||||||||||||||||
| 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) (?) | 14 | 6 | 6 | 6 | 5 | 5 | 14 | 14 | 4 | 8 | 8 | 9 | 9 | 18 | 18 | 10 | 10 | 6 | 9 | 9 | 10 | 9 | 8 | 8 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 4 | 12 | 14 | 12 | 5 | 4 | 4 | 4 | 3 | 6 | 6 | 2 | 2 | 6 | 6 | 2 | 9 | 171 | 9 | 8 | 9 | 9 | 511 | 414 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- off | cross- off | cross- off | cross- off | cross | glass | cross | cross | cross | cross- off | off | off | off | off | off | off | cross | cross | cross | cross | cross | cross | cross | cross |
High Tide / height (m) | 1:56PM 0.47 | 2:55AM 0.56 | 2:58PM 0.42 | 3:45AM 0.56 | 3:57PM 0.40 | 4:31AM 0.57 | ||||||||||||||||||
Low Tide / height (m) | 8:06AM 0.03 | 8:22PM 0.00 | 9:08AM 0.03 | 9:08PM 0.01 | 10:05AM 0.02 | 9:53PM 0.01 | ||||||||||||||||||
Friday 12 | Saturday 13 | Sunday 14 | Monday 15 | |||||||||||||||||||||
| Sunrise | - | - | - | - | - | - | - | - | 7:01 | - | - | - | - | - | - | - | 7:03 | - | - | - | - | - | - | - |
| Sunset | - | - | 4:47 | - | - | - | - | - | - | - | 4:49 | - | - | - | - | - | - | - | 4:49 | - | - | - | - | - |
 |  | |  |  | | | |  | | | | | | |  |  | |  | | | | | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | 1 | 3 | - | - | - | - | - | - |
| Temp. °C | 5 | 5 | 4 | 5 | 6 | 6 | 7 | 9 | 12 | 15 | 15 | 14 | 14 | 14 | 15 | 13 | 7 | 2 | 1 | 0 | -2 | -2 | 0 | -1 |
| Feels °C (?) | 0 | 0 | 0 | 1 | 3 | 3 | 3 | 4 | 9 | 10 | 10 | 10 | 11 | 11 | 12 | 9 | -2 | -10 | -11 | -14 | -16 | -14 | -12 | -11 |
- 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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