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 Siesta at 10AM is: 0.7m 4s primary swell from a Northwest direction (forecast issued at 06:00am December 11). The wind direction is predicted to be cross-offshore.
| Time (EST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (11 Dec) | 2.5ft (0.7m) | 4s |
| Afternoon (11 Dec) | 2.5ft (0.8m) | 5s |
| Evening (11 Dec) | - | - |
Table - waves today at Siesta. (Swell directed towards the surf break)
Thursday 11 | Friday 12 | Saturday 13 | Sun 14 | |||||||||||||||||||||
| 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 | 4 PM | 7 PM | 10 PM | 1 AM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map | ||||||||||||||||||||||||
| Wave Height (m) & direction (?) | NW | NW | NW | NW | NW | NW | NW | WNW | WNW | WNW | NW | WNW | WNW | WNW | WNW | NW | — | — | — | — | — | SE | — | SSE |
| Period(s) (?) | 4 | 4 | 4 | 5 | 5 | 6 | 6 | 6 | 6 | 6 | 5 | 5 | 5 | 5 | 5 | 5 | - | - | - | - | - | 4 | - | 4 |
Wave (?)Graph | ||||||||||||||||||||||||
| 15 | 18 | 21 | 31 | 37 | 38 | 0 | 22 | 12 | 12 | 0 | 5 | 3 | 2 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 2 | |
Wind (km/h) | NW | NNW | N | NNW | NNW | N | NNE | ENE | E | E | ESE | S | W | NW | NNE | ENE | ENE | E | E | SE | WNW | NW | N | NNE |
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross | cross | cross- off | cross | cross | cross- off | cross- off | off | off | cross- off | cross- off | cross | on | cross | cross- off | off | off | off | cross- off | glass | cross- on | cross | cross- off | cross- off |
High Tide / height (m) | 4:27AM 0.78 | 6:50PM 0.73 | 5:57AM 0.69 | 7:22PM 0.78 | 7:46AM 0.63 | 7:53PM 0.83 | ||||||||||||||||||
Low Tide / height (m) | 11:48AM 0.32 | 12:35AM 0.53 | 12:27PM 0.40 | 2:07AM 0.44 | 1:05PM 0.47 | |||||||||||||||||||
Thursday 11 | Friday 12 | Saturday 13 | Sun 14 | |||||||||||||||||||||
| Sunrise | - | - | 7:09 | - | - | - | - | - | - | - | 7:09 | - | - | - | - | - | - | - | 7:11 | - | - | - | - | - |
| Sunset | - | - | - | - | 5:37 | - | - | - | - | - | - | - | 5:37 | - | - | - | - | - | - | - | 5:37 | - | - | - |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 20 | 20 | 19 | 18 | 17 | 16 | 16 | 15 | 14 | 14 | 15 | 19 | 19 | 19 | 19 | 18 | 17 | 18 | 18 | 22 | 22 | 21 | 20 | 20 |
| Feels °C (?) | 17 | 16 | 16 | 14 | 13 | 12 | 12 | 11 | 10 | 10 | 12 | 18 | 18 | 18 | 18 | 15 | 15 | 17 | 17 | 23 | 21 | 20 | 18 | 19 |

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

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The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our Siesta surf forecast. Simply grab the html code snippet that we provide and paste it into your own site. You can choose your preferred language and metric/imperial units for the surf forecast feed to suit users of your site. Click here to get the code.

