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 12AM is: 0.9m 6s primary swell from a West-southwest direction (forecast issued at 06:00pm December 12). The wind direction is predicted to be cross-shore.
| Time (EST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (13 Dec) | 3ft (0.9m) | 4s |
| Afternoon (13 Dec) | 5ft (1.6m) | 5s |
| Evening (13 Dec) | 4.5ft (1.3m) | 6s |
Table - waves today at Greenhill. (Swell directed towards the surf break)
Friday 12 | Saturday 13 | Sunday 14 | Monday 15 | |||||||||||||||||||||
| 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 (?) | WSW | WSW | WSW | WSW | WSW | WSW | SW | SW | SW | SW | SSW | SW | SSW | SSW | SSW | S | S | S | S | S | S | S | S | WNW |
| Period(s) (?) | 6 | 4 | 6 | 6 | 6 | 4 | 4 | 5 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 7 | 7 | 7 | 7 | 9 | 9 | 9 | 8 | 4 |
Wave (?)Graph | ||||||||||||||||||||||||
| 96 | 50 | 77 | 52 | 27 | 11 | 29 | 80 | 165 | 193 | 118 | 91 | 68 | 42 | 29 | 33 | 22 | 22 | 15 | 63 | 63 | 38 | 22 | 24 | |
Wind (km/h) | W | W | W | W | W | WSW | SW | SW | WSW | WSW | W | WSW | W | NW | NW | NW | NW | NW | NW | NW | NW | NW | NW | WNW |
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross | cross | cross | cross | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross |
High Tide / height (m) | 1:57PM 1.02 | 2:38AM 1.13 | 2:50PM 0.98 | 3:28AM 1.15 | 3:39PM 0.95 | 4:13AM 1.17 | ||||||||||||||||||
Low Tide / height (m) | 8:09PM 0.26 | 8:56AM 0.34 | 8:56PM 0.26 | 9:50AM 0.34 | 9:40PM 0.26 | 10:38AM 0.32 | ||||||||||||||||||
Friday 12 | Saturday 13 | Sunday 14 | Monday 15 | |||||||||||||||||||||
| Sunrise | - | - | - | - | - | - | 7:03 | - | - | - | - | - | - | - | 7:03 | - | - | - | - | - | - | - | 7:05 | - |
| Sunset | 4:16 | - | - | - | - | - | - | - | 4:16 | - | - | - | - | - | - | - | 4:16 | - | - | - | - | - | - | - |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 1 | 0 | -1 | -1 | -1 | 0 | 2 | 4 | 5 | 4 | 2 | 1 | 1 | -1 | -3 | -2 | -3 | -5 | -6 | -7 | -9 | -9 | -6 | -4 |
| Feels °C (?) | -7 | -8 | -8 | -7 | -7 | -6 | -5 | -4 | -3 | -2 | -3 | -4 | -5 | -7 | -10 | -10 | -11 | -14 | -15 | -16 | -19 | -18 | -15 | -13 |

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

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