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:
Zaga (Koroni) surfForecast / Pelloponisos / Greece
48hr Weather and Surf, issued 7 am Saturday 13 Dec 2025 EETForecast update in hr min s Forecast update imminent
Zaga (Koroni) surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Zaga (Koroni) sea temperature is
19.3° C
(Which is 1.8°C warmer than normal for this time of year)| Time (EET) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (13 Dec) | - | - |
| Afternoon (13 Dec) | 1ft (0.3m) | 4s |
| Evening (13 Dec) | 0.5ft (0.2m) | 4s |
Table - waves today at Zaga (Koroni). (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Saturday 13 | Sunday 14 | Monday 15 | Tue 16 | |||||||||||||||||||||
| 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 | 11 PM | 2 AM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | — | — | — | — | — | — | — | — | — | — | — | — | ||||||||||||
| Period(s) (?) | - | - | 5 | 4 | 5 | 4 | 6 | 6 | 7 | 6 | 5 | - | - | - | 5 | 4 | - | - | - | - | - | - | - | 5 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 0 | 0 | 0 | 2 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- off | cross | glass | glass | cross- off | off | cross- off | cross- off | cross- off | glass | glass | glass | off | cross- off | cross- off | cross- off | cross- off | cross- off | glass | glass | glass | glass | glass | cross- off |
High Tide / height (m) | 11:00AM 0.07 | 12:02AM 0.09 | 12:09PM 0.07 | 12:32AM 0.10 | 1:03PM 0.07 | 1:04AM 0.10 | ||||||||||||||||||
Low Tide / height (m) | 4:40PM 0.03 | 6:45AM 0.04 | 5:31PM 0.04 | 7:27AM 0.03 | 6:21PM 0.04 | |||||||||||||||||||
Saturday 13 | Sunday 14 | Monday 15 | Tue 16 | |||||||||||||||||||||
| Sunrise | - | 7:35 | - | - | - | - | - | - | - | 7:35 | - | - | - | - | - | - | - | 7:37 | - | - | - | - | - | - |
| Sunset | - | - | - | - | 5:15 | - | - | - | - | - | - | - | 5:15 | - | - | - | - | - | - | - | 5:15 | - | - | - |
 |  |  | | | |  | | | | | | | | | | | | | | | | | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 15 | 15 | 16 | 16 | 17 | 16 | 16 | 15 | 15 | 14 | 15 | 16 | 17 | 16 | 15 | 14 | 13 | 13 | 14 | 15 | 15 | 15 | 14 | 14 |
| Feels °C (?) | 14 | 14 | 16 | 16 | 16 | 15 | 15 | 13 | 13 | 13 | 14 | 15 | 15 | 14 | 13 | 12 | 11 | 12 | 14 | 14 | 15 | 15 | 14 | 12 |
- 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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