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:

The current surf forecast for Greenhill at 11PM is: 2.5m 8s primary swell from a South-southwest direction and 0.1m 9s secondary swell from a East direction (forecast issued at 06:00pm December 10). The wind direction is predicted to be cross-onshore.
| Time (EST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (10 Dec) | - | - |
| Afternoon (10 Dec) | 8ft (2.5m) | 7s |
| Evening (10 Dec) | 8ft (2.5m) | 8s |
Table - waves today at Greenhill. (Swell directed towards the surf break)
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 (?) | SSW | SSW | SSW | SSW | SW | SW | SSW | SSW | SSW | WSW | WSW | WSW | WSW | WSW | WSW | WSW | WSW | WSW | WSW | WSW | SW | SW | SW | SW |
| Period(s) (?) | 8 | 8 | 8 | 9 | 8 | 8 | 8 | 8 | 8 | 8 | 7 | 6 | 7 | 7 | 7 | 5 | 6 | 6 | 6 | 6 | 6 | 6 | 4 | 4 |
Wave (?)Graph | ||||||||||||||||||||||||
| 800 | 960 | 979 | 789 | 666 | 783 | 423 | 347 | 249 | 434 | 356 | 331 | 277 | 242 | 172 | 78 | 127 | 114 | 73 | 46 | 28 | 16 | 15 | 36 | |
Wind (km/h) | SSW | SW | WSW | WSW | WSW | WNW | WNW | W | W | W | W | W | W | W | W | W | W | W | W | WNW | W | W | WSW | WSW |
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | on | cross- on | cross- on | cross- on | cross- on | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross- on | cross | cross | cross | cross | cross | cross- on | cross- on | cross- on |
High Tide / height (m) | 12:43AM 1.10 | 1:01PM 1.09 | 1:42AM 1.11 | 1:57PM 1.02 | 2:38AM 1.13 | |||||||||||||||||||
Low Tide / height (m) | 6:27PM 0.21 | 6:51AM 0.29 | 7:19PM 0.24 | 7:56AM 0.32 | 8:09PM 0.26 | 8:56AM 0.34 | ||||||||||||||||||
Wednesday 10 | Thursday 11 | Friday 12 | Saturday 13 | |||||||||||||||||||||
| Sunrise | - | - | - | - | - | - | 7:01 | - | - | - | - | - | - | - | 7:01 | - | - | - | - | - | - | - | 7:03 | - |
| Sunset | 4:15 | - | - | - | - | - | - | - | 4:16 | - | - | - | - | - | - | - | 4:16 | - | - | - | - | - | - | - |
Rain (mm) | - | - | 1 | 1 | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 10 | 9 | 6 | 6 | 5 | 2 | -1 | 0 | -1 | -2 | -3 | -3 | -4 | -4 | -3 | -1 | 0 | -1 | -1 | -2 | -1 | 0 | 2 | 4 |
| Feels °C (?) | 1 | 0 | -2 | -2 | -4 | -6 | -10 | -10 | -12 | -13 | -14 | -14 | -14 | -13 | -12 | -10 | -9 | -9 | -8 | -8 | -6 | -6 | -5 | -3 |

70-foot plus waves predicted for Portuguese big wave tow surfing competition.

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