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:
Sarti Beach surfForecast / Aegean Sea / Greece
48hr Weather and Surf, issued 1 am Saturday 13 Dec 2025 EETForecast update in hr min s Forecast update imminent
Sarti Beach surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Sarti Beach sea temperature is
17.8° C
(Which is 2.2°C warmer than normal for this time of year)How big are the waves at Sarti Beach today?
The current surf forecast for Sarti Beach at 5AM is: 0.7m 5s primary swell from a East direction (forecast issued at 01:00am December 13). The wind direction is predicted to be cross-onshore.
| Time (EET) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (13 Dec) | 3ft (0.9m) | 5s |
| Afternoon (13 Dec) | 3ft (0.9m) | 5s |
| Evening (13 Dec) | 2.5ft (0.7m) | 5s |
Table - waves today at Sarti Beach. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Saturday 13 | Sunday 14 | Monday 15 | ||||||||||||||||||||||
| 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 | 11 AM | 2 PM | 5 PM | 8 PM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |  |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | — | — | — | — | ||||||||||||||||||||
| Period(s) (?) | - | 3 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 4 | 4 | 4 | 4 | - | - | - | 4 | 5 | 5 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 0 | 6 | 23 | 43 | 45 | 45 | 36 | 27 | 25 | 27 | 36 | 0 | 0 | 0 | 3 | 3 | 1 | 1 | 0 | 0 | 0 | 2 | 16 | 11 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- on | on | cross- on | cross- on | on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | glass | glass | glass | glass | glass | cross- on | cross- on | cross | cross- on | glass | on | glass |
High Tide / height (m) | 11:02PM 0.22 | 11:10AM 0.18 | 12:04AM 0.23 | 12:52PM 0.18 | 12:54AM 0.24 | 1:58PM 0.20 | ||||||||||||||||||
Low Tide / height (m) | 5:51AM 0.13 | 5:04PM 0.11 | 7:00AM 0.10 | 6:19PM 0.12 | 7:49AM 0.08 | 7:19PM 0.12 | ||||||||||||||||||
Saturday 13 | Sunday 14 | Monday 15 | ||||||||||||||||||||||
| Sunrise | - | - | - | 7:37 | - | - | - | - | - | - | - | 7:37 | - | - | - | - | - | - | - | 7:37 | - | - | - | - |
| Sunset | - | - | - | - | - | 4:58 | - | - | - | - | - | - | - | 4:59 | - | - | - | - | - | - | - | 4:59 | - | - |
 |  |  |  | |  | | | | | | | | | | | | | | | | | | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 14 | 15 | 14 | 14 | 14 | 14 | 13 | 13 | 13 | 13 | 13 | 12 | 13 | 13 | 13 | 13 | 12 | 12 | 12 | 12 | 13 | 13 | 13 | 12 |
| Feels °C (?) | 12 | 12 | 11 | 10 | 10 | 9 | 9 | 10 | 10 | 10 | 11 | 10 | 12 | 12 | 12 | 12 | 11 | 10 | 10 | 11 | 11 | 11 | 11 | 11 |
- Map Icons:
Break
Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
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