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 Impossibles at 2AM is: 1.7m 13s primary swell from a South-southwest direction and 0.5m 5s secondary swell from a West-southwest direction, 0.8m 4s secondary swell from a West direction (forecast issued at 07:00pm December 12). The wind direction is predicted to be onshore.
| Time (WITA) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (13 Dec) | 5ft (1.5m) | 13s |
| Afternoon (13 Dec) | 4.5ft (1.4m) | 13s |
| Evening (13 Dec) | 4.5ft (1.4m) | 12s |
Table - waves today at Impossibles. (Swell directed towards the surf break)
Friday 12 | Saturday 13 | Sunday 14 | Monday 15 | |||||||||||||||||||||
| 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 | 5 AM | 8 AM | 11 AM | 2 PM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map | ||||||||||||||||||||||||
| Wave Height (m) & direction (?) | SSW | SW | SSW | SSW | SSW | SSW | SSW | SSW | SSW | SSW | SSW | SSW | SSW | SSW | SW | SW | SSW | SSW | SW | SW | SSW | SSW | SSW | SSW |
| Period(s) (?) | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 11 | 11 |
Wave (?)Graph | ||||||||||||||||||||||||
| 932 | 1011 | 850 | 975 | 745 | 772 | 722 | 630 | 620 | 591 | 563 | 554 | 545 | 545 | 531 | 646 | 443 | 436 | 551 | 551 | 421 | 414 | 341 | 329 | |
Wind (km/h) | WSW | W | WNW | NW | WNW | NNW | W | SW | WSW | W | WNW | WNW | WNW | WNW | W | W | W | W | NW | NW | NNW | NW | W | WSW |
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- on | cross- on | on | on | on | cross- on | cross- on | cross- on | cross- on | on | on | on | on | on | cross- on | cross- on | cross- on | on | on | on | glass | glass | cross- on | cross- on |
High Tide / height (m) | 3:32PM 1.98 | 3:23AM 1.74 | 4:36PM 1.98 | 4:52AM 1.56 | 5:43PM 2.01 | 6:39AM 1.51 | ||||||||||||||||||
Low Tide / height (m) | 9:39PM 1.05 | 9:41AM 0.84 | 11:13PM 1.06 | 10:42AM 0.99 | 12:46AM 0.95 | 11:53AM 1.07 | ||||||||||||||||||
Friday 12 | Saturday 13 | Sunday 14 | Monday 15 | |||||||||||||||||||||
| Sunrise | - | - | - | - | - | 5:54 | - | - | - | - | - | - | - | 5:54 | - | - | - | - | - | - | - | 5:54 | - | - |
| Sunset | 6:30 | - | - | - | - | - | - | - | 6:31 | - | - | - | - | - | - | - | 6:31 | - | - | - | - | - | - | - |
Rain (mm) | 1 | 1 | - | 1 | - | - | - | - | - | 1 | 1 | 1 | 4 | 3 | 1 | 1 | 6 | 7 | 8 | 3 | 3 | 2 | 3 | 3 |
| Temp. °C | 29 | 28 | 28 | 27 | 27 | 27 | 27 | 28 | 29 | 28 | 28 | 28 | 27 | 27 | 28 | 28 | 28 | 28 | 26 | 26 | 26 | 26 | 27 | 28 |
| Feels °C (?) | 30 | 28 | 29 | 29 | 29 | 30 | 30 | 31 | 31 | 30 | 31 | 31 | 30 | 30 | 31 | 29 | 30 | 30 | 28 | 30 | 31 | 31 | 30 | 30 |

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 Impossibles 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.

