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 Silos at 11AM is: 4.5m 16s primary swell from a West direction (forecast issued at 05:00am December 13). An open ocean swell of 1.3m 5s is not directed at the surf break. The wind direction is predicted to be cross-offshore.
| Time (GMT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (13 Dec) | 15ft (4.5m) | 16s |
| Afternoon (13 Dec) | 11ft (3.5m) | 15s |
| Evening (13 Dec) | 16ft (5.0m) | 14s |
Table - waves today at Silos. (Swell directed towards the surf break)
Saturday 13 | Sunday 14 | Monday 15 | Tue 16 | |||||||||||||||||||||
| 3 AM | 6 AM | 9 AM | 12 PM | 3 PM | 6 PM | 9 PM | 0 AM | 3 AM | 6 AM | 9 AM | 12 PM | 3 PM | 6 PM | 9 PM | 0 AM | 3 AM | 6 AM | 9 AM | 12 PM | 3 PM | 6 PM | 9 PM | 0 AM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map | ||||||||||||||||||||||||
| Wave Height (m) & direction (?) | W | W | W | W | W | W | W | W | W | W | W | W | W | W | W | WNW | W | W | W | W | W | W | W | W |
| Period(s) (?) | 17 | 17 | 16 | 16 | 15 | 14 | 14 | 14 | 13 | 13 | 13 | 12 | 12 | 12 | 11 | 11 | 13 | 13 | 13 | 13 | 17 | 17 | 16 | 16 |
Wave (?)Graph | ||||||||||||||||||||||||
| 10653 | 12071 | 10750 | 8468 | 6198 | 7554 | 9242 | 8147 | 5633 | 3678 | 2469 | 1840 | 1672 | 1342 | 1208 | 1976 | 2576 | 2376 | 2133 | 2305 | 4856 | 6851 | 7410 | 7336 | |
Wind (km/h) | SW | SSW | S | S | S | SSW | SW | WSW | WSW | SW | SSE | S | SSE | SSE | WNW | W | WSW | SW | SSW | SSW | S | SSW | SSW | SW |
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | off | off | off | cross- off | off | off | off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross | cross- off | cross- off | off | off | off | off | off | off | off |
High Tide / height (m) | 3:29AM 2.30 | 3:27PM 2.53 | 4:27AM 2.35 | 4:27PM 2.49 | 5:18AM 2.44 | 5:22PM 2.51 | ||||||||||||||||||
Low Tide / height (m) | 9:14AM 1.15 | 10:08PM 0.78 | 10:31AM 1.11 | 11:07PM 0.78 | 11:32AM 1.00 | 11:56PM 0.75 | ||||||||||||||||||
Saturday 13 | Sunday 14 | Monday 15 | Tue 16 | |||||||||||||||||||||
| Sunrise | - | - | 8:55 | - | - | - | - | - | - | - | 8:56 | - | - | - | - | - | - | - | 8:56 | - | - | - | - | - |
| Sunset | - | - | - | - | 3:18 | - | - | - | - | - | - | - | 3:18 | - | - | - | - | - | - | - | 3:18 | - | - | - |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | 1 | - | - | - | - | - | - | - | - |
| Temp. °C | 8 | 7 | 8 | 8 | 9 | 12 | 13 | 13 | 12 | 11 | 10 | 11 | 12 | 12 | 10 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 |
| Feels °C (?) | 0 | 0 | 0 | -1 | -1 | 2 | 3 | 4 | 6 | 7 | 6 | 8 | 6 | 5 | 2 | 0 | 1 | 1 | 2 | 2 | 2 | 2 | 2 | 2 |

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

Surf-forecast is providing a free, all-access pass to our premium features and 12-day forecasts all weekend.

Previously used in our snow jackets for mountain conditions, PrimaLoft® technology is making its debut in the surf industry. The aim is to bring mountain-grade warmth to the waves.

Surf-Forecast recently helped the 21-year-old Canadian pro surfer and adventurer score some cold water perfection at home.
Discover more articles and updates in the Greenroom.
The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our Silos 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.

