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:
Tam Tam surfForecast / Lebanon / Lebanon
48hr Weather and Surf, issued 1 pm Friday 12 Dec 2025 EETForecast update in hr min s Forecast update imminent
Tam Tam surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Tam Tam sea temperature is
22.7° C
(Which is 3.2°C warmer than normal for this time of year)How big are the waves at Tam Tam today?
The current surf forecast for Tam Tam at 6PM is: 0.6m 6s primary swell from a West direction (forecast issued at 01:00pm December 12). An open ocean swell of 0.2m 4s is not directed at the surf break. The wind direction is predicted to be glassy.
| Time (EET) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (12 Dec) | 2.5ft (0.8m) | 8s |
| Afternoon (12 Dec) | 2.5ft (0.7m) | 7s |
| Evening (12 Dec) | 1.5ft (0.5m) | 6s |
Table - waves today at Tam Tam. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Friday 12 | Saturday 13 | Sunday 14 | Monday 15 | |||||||||||||||||||||
| 11 AM | 2 PM | 5 PM | 8 PM | 11 PM | 2 AM | 5 AM | 8 AM | 11 AM | 2 PM | 5 PM | 8 PM | 11 PM | 2 AM | 5 AM | 8 AM | 11 AM | 2 PM | 5 PM | 8 PM | 11 PM | 2 AM | 5 AM | 8 AM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | — | — | — | — | — | — | — | |||||||||||||||||
| Period(s) (?) | 7 | 7 | 7 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 5 | 5 | 5 | - | - | - | - | - | - | - |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 70 | 46 | 31 | 19 | 19 | 12 | 11 | 6 | 6 | 6 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | on | cross- on | glass | glass | glass | glass | glass | glass | cross- on | cross- on | cross- off | glass | glass | off | off | off | glass | cross | cross- off | glass | glass | glass | glass | glass |
High Tide / height (m) | 4:47PM 0.27 | 4:46AM 0.24 | 5:51PM 0.28 | 6:11AM 0.24 | 6:39PM 0.31 | 7:13AM 0.25 | ||||||||||||||||||
Low Tide / height (m) | 9:57AM 0.12 | 11:00PM 0.16 | 11:05AM 0.13 | 12:22AM 0.14 | 12:04PM 0.13 | 1:17AM 0.11 | ||||||||||||||||||
Friday 12 | Saturday 13 | Sunday 14 | Monday 15 | |||||||||||||||||||||
| Sunrise | - | - | - | - | - | - | - | 6:33 | - | - | - | - | - | - | - | 6:33 | - | - | - | - | - | - | - | 6:35 |
| Sunset | - | 4:28 | - | - | - | - | - | - | - | 4:28 | - | - | - | - | - | - | - | 4:28 | - | - | - | - | - | - |
 |  |  | |  | | | | |  | | | | | | | | | | | | | | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 17 | 17 | 16 | 16 | 16 | 16 | 16 | 16 | 17 | 17 | 17 | 16 | 16 | 16 | 15 | 16 | 17 | 17 | 16 | 16 | 16 | 16 | 16 | 16 |
| Feels °C (?) | 16 | 16 | 16 | 16 | 16 | 15 | 15 | 16 | 16 | 16 | 16 | 15 | 15 | 15 | 13 | 14 | 16 | 16 | 15 | 15 | 15 | 15 | 15 | 15 |
- 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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