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:
Topsail Island surfForecast / Carolina North / USA
48hr Weather and Surf, issued 12 pm Wednesday 10 Dec 2025 ESTForecast update in hr min s Forecast update imminent
Topsail Island surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Topsail Island sea temperature is
14.1° C
(Which is 7.9°C colder than average for this time of year)How big are the waves at Topsail Island today?
The current surf forecast for Topsail Island at 6PM is: 1.0m 5s primary swell from a South-southwest direction and 0.4m 9s secondary swell from a East-southeast direction, 0.1m 16s secondary swell from a East direction (forecast issued at 12:00pm December 10). The wind direction is predicted to be cross-shore.
| Time (EST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (10 Dec) | 1.5ft (0.5m) | 10s |
| Afternoon (10 Dec) | 1.5ft (0.4m) | 9s |
| Evening (10 Dec) | 4ft (1.2m) | 6s |
Table - waves today at Topsail Island. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Wednesday 10 | Thursday 11 | Friday 12 | Saturday 13 | |||||||||||||||||||||
| 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) (?) | 10 | 9 | 9 | 5 | 6 | 7 | 7 | 7 | 8 | 7 | 7 | 7 | 6 | 9 | 15 | 15 | 4 | 5 | 6 | 6 | 6 | 6 | 7 | 7 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 52 | 45 | 28 | 58 | 99 | 120 | 72 | 43 | 29 | 10 | 10 | 5 | 4 | 3 | 4 | 4 | 8 | 23 | 61 | 27 | 31 | 21 | 22 | 22 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross | cross | cross | cross | cross- off | cross- off | cross- off | off | off | off | off | off | glass | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | off | glass | glass | glass | glass |
High Tide / height (m) | 11:37AM 1.42 | 12:15AM 1.17 | 12:34PM 1.29 | 1:18AM 1.19 | 1:32PM 1.17 | 2:18AM 1.23 | ||||||||||||||||||
Low Tide / height (m) | 6:02PM 0.05 | 6:13AM 0.14 | 6:56PM 0.08 | 7:22AM 0.20 | 7:47PM 0.10 | |||||||||||||||||||
Wednesday 10 | Thursday 11 | Friday 12 | Saturday 13 | |||||||||||||||||||||
| Sunrise | - | - | - | - | - | - | - | - | 7:05 | - | - | - | - | - | - | - | 7:05 | - | - | - | - | - | - | - |
| Sunset | - | - | 4:59 | - | - | - | - | - | - | - | 4:59 | - | - | - | - | - | - | - | 5:00 | - | - | - | - | - |
 | | |  | |  | | | | | | | | |  | | |  | | | | | | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 6 | 11 | 12 | 11 | 11 | 10 | 9 | 6 | 6 | 8 | 8 | 7 | 6 | 6 | 6 | 6 | 8 | 11 | 13 | 11 | 10 | 9 | 9 | 8 |
| Feels °C (?) | 1 | 5 | 6 | 5 | 4 | 4 | 3 | 0 | 0 | 2 | 3 | 3 | 3 | 2 | 2 | 2 | 3 | 6 | 9 | 8 | 7 | 7 | 7 | 5 |
- 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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