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:
Upham Beach surfForecast / Florida – Gulf / USA
48hr Weather and Surf, issued 6 pm Wednesday 10 Dec 2025 ESTForecast update in hr min s Forecast update imminent
Upham Beach surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Upham Beach sea temperature is
21.1° C
(Which is 1.7°C colder than average for this time of year)How big are the waves at Upham Beach today?
The current surf forecast for Upham Beach at 1AM is: 0.6m 4s primary swell from a West-northwest direction (forecast issued at 06:00pm December 10). The wind direction is predicted to be cross-shore.
| Time (EST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (11 Dec) | - | - |
| Afternoon (11 Dec) | 3.5ft (1.0m) | 6s |
| Evening (11 Dec) | 3.5ft (1.0m) | 6s |
Table - waves today at Upham Beach. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Wednesday 10 | Thursday 11 | Friday 12 | Saturday 13 | |||||||||||||||||||||
| 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 | 10 AM | 1 PM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | — | — | — | — | ||||||||||||||||||||
| Period(s) (?) | 2 | 3 | 3 | 4 | 4 | 4 | 5 | 5 | 6 | 6 | 6 | 6 | 6 | 5 | 5 | 5 | 5 | 5 | 5 | 4 | - | - | - | - |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 0 | 1 | 2 | 8 | 22 | 29 | 0 | 54 | 60 | 67 | 33 | 21 | 15 | 11 | 7 | 5 | 2 | 2 | 1 | 1 | 0 | 0 | 0 | 0 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross | cross | cross | cross | cross | cross- off | cross- off | cross- off | cross- off | cross- off | off | off | cross- off | cross- off | cross | glass | cross- on | glass | glass | cross- off | off | off | cross- off | glass |
High Tide / height (m) | 6:55PM 0.39 | 4:45AM 0.47 | 7:15PM 0.43 | 6:32AM 0.39 | 7:38PM 0.47 | 8:24AM 0.35 | ||||||||||||||||||
Low Tide / height (m) | 11:42PM 0.34 | 12:45PM 0.05 | 1:34AM 0.26 | 1:25PM 0.13 | 2:56AM 0.15 | |||||||||||||||||||
Wednesday 10 | Thursday 11 | Friday 12 | Saturday 13 | |||||||||||||||||||||
| Sunrise | - | - | - | - | - | - | 7:11 | - | - | - | - | - | - | - | 7:11 | - | - | - | - | - | - | - | 7:11 | - |
| Sunset | 5:36 | - | - | - | - | - | - | - | 5:36 | - | - | - | - | - | - | - | 5:37 | - | - | - | - | - | - | - |
 |  | | | |  |  | | | | | | | | | | | | | | | | |  | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 16 | 16 | 18 | 19 | 19 | 19 | 18 | 16 | 16 | 15 | 15 | 15 | 14 | 14 | 14 | 16 | 17 | 18 | 18 | 18 | 17 | 17 | 17 | 19 |
| Feels °C (?) | 13 | 13 | 15 | 16 | 16 | 16 | 15 | 12 | 11 | 10 | 11 | 11 | 10 | 10 | 11 | 14 | 15 | 17 | 17 | 16 | 14 | 14 | 15 | 19 |
- 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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