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:
Surfside surfForecast / Texas / USA
48hr Weather and Surf, issued 11 am Tuesday 16 Dec 2025 CSTForecast update in hr min s Forecast update imminent
Surfside surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Surfside sea temperature is
16.8° C
(Which is 3.6°C colder than average for this time of year)How big are the waves at Surfside today?
The current surf forecast for Surfside at 5PM is: 0.6m 6s primary swell from a East-southeast direction and 0.1m 9s secondary swell from a Southeast direction, 0.1m 7s secondary swell from a Southeast direction (forecast issued at 11:00am December 16). The wind direction is predicted to be cross-onshore.
| Time (CST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (16 Dec) | 1.5ft (0.5m) | 6s |
| Afternoon (16 Dec) | 2ft (0.6m) | 6s |
| Evening (16 Dec) | 2ft (0.6m) | 4s |
Table - waves today at Surfside. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Tuesday 16 | Wednesday 17 | Thursday 18 | Friday 19 | |||||||||||||||||||||
| 9 AM | 12 PM | 3 PM | 6 PM | 9 PM | 0 AM | 3 AM | 6 AM | 9 AM | 12 PM | 3 PM | 6 PM | 9 PM | 0 AM | 3 AM | 6 AM | 9 AM | 12 PM | 3 PM | 6 PM | 9 PM | 0 AM | 3 AM | 6 AM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 6 | 6 | 6 | 6 | 4 | 4 | 4 | 4 | 4 | 5 | 5 | 5 | 5 | 5 | 5 | 6 | 6 | 8 | 8 | 5 | 6 | 7 | 7 | 5 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 17 | 19 | 20 | 23 | 10 | 13 | 15 | 16 | 13 | 19 | 19 | 26 | 29 | 18 | 26 | 43 | 54 | 45 | 32 | 31 | 29 | 33 | 36 | 45 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- on | on | on | cross- on | on | on | on | on | on | cross- on | cross- on | on | on | cross- on | cross- on | cross | cross- off | cross | cross | cross- off | cross- off | cross- off | cross- off | cross- off |
High Tide / height (m) | 3:17PM 0.50 | 3:57PM 0.52 | 4:36PM 0.52 | |||||||||||||||||||||
Low Tide / height (m) | 6:35AM -0.09 | 7:06AM -0.12 | 7:39AM -0.15 | |||||||||||||||||||||
Tuesday 16 | Wednesday 17 | Thursday 18 | Friday 19 | |||||||||||||||||||||
| Sunrise | 7:07 | - | - | - | - | - | - | - | 7:07 | - | - | - | - | - | - | - | 7:07 | - | - | - | - | - | - | - |
| Sunset | - | - | 5:24 | - | - | - | - | - | - | - | 5:25 | - | - | - | - | - | - | - | 5:25 | - | - | - | - | - |
 | | |  | |  | | | | |  |  |  |  | | |  |  | | | | | | | |
Rain (mm) | - | - | - | - | - | 1 | 1 | 1 | - | - | 2 | 1 | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 13 | 16 | 18 | 18 | 20 | 19 | 19 | 19 | 19 | 18 | 19 | 19 | 20 | 20 | 20 | 20 | 20 | 22 | 23 | 22 | 22 | 19 | 16 | 14 |
| Feels °C (?) | 12 | 13 | 17 | 16 | 19 | 18 | 19 | 19 | 20 | 18 | 20 | 19 | 20 | 20 | 20 | 20 | 20 | 20 | 22 | 22 | 22 | 12 | 9 | 8 |
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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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