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 8AM is: 1.2m 12s primary swell from a South-southwest direction and 0.8m 6s secondary swell from a West-southwest direction, 1.0m 6s secondary swell from a West direction (forecast issued at 01:00am December 15). The wind direction is predicted to be onshore.
| Time (WITA) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (15 Dec) | 4ft (1.2m) | 12s |
| Afternoon (15 Dec) | 3.5ft (1.0m) | 11s |
| Evening (15 Dec) | 3.5ft (1.1m) | 11s |
Table - waves today at Impossibles. (Swell directed towards the surf break)
Monday 15 | Tuesday 16 | Wednesday 17 | ||||||||||||||||||||||
| 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 | 5 PM | 8 PM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map | ||||||||||||||||||||||||
| Wave Height (m) & direction (?) | SSW | SSW | SSW | SSW | SSW | SSW | SSW | SSW | SSW | SW | SSW | SSW | SSW | SW | SW | SSW | SW | SW | SW | SW | SW | SW | SW | SW |
| Period(s) (?) | 12 | 12 | 12 | 12 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 13 | 13 | 13 | 11 | 11 | 12 | 16 | 16 | 16 | 16 | 16 |
Wave (?)Graph | ||||||||||||||||||||||||
| 378 | 371 | 365 | 359 | 341 | 261 | 329 | 256 | 329 | 483 | 215 | 219 | 219 | 326 | 326 | 290 | 182 | 202 | 224 | 314 | 314 | 314 | 437 | 432 | |
Wind (km/h) | NW | NNW | NNW | WNW | WNW | W | W | WNW | NW | WNW | WNW | WNW | W | WNW | WNW | WNW | WNW | WNW | WNW | NW | W | SW | WSW | WNW |
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | on | cross- on | cross- on | on | on | on | on | on | on | on | on | on | on | on | on | on | on | on | on | on | cross- on | cross- on | cross- on | on |
High Tide / height (m) | 6:39AM 1.51 | 6:44PM 2.06 | 8:00AM 1.56 | 7:35PM 2.14 | 8:54AM 1.64 | |||||||||||||||||||
Low Tide / height (m) | 12:46AM 0.95 | 11:53AM 1.07 | 1:52AM 0.79 | 1:02PM 1.09 | 2:39AM 0.63 | 1:58PM 1.06 | ||||||||||||||||||
Monday 15 | Tuesday 16 | Wednesday 17 | ||||||||||||||||||||||
| Sunrise | - | - | - | 5:54 | - | - | - | - | - | - | - | 5:54 | - | - | - | - | - | - | - | 5:56 | - | - | - | - |
| Sunset | - | - | - | - | - | - | 6:32 | - | - | - | - | - | - | - | 6:32 | - | - | - | - | - | - | - | 6:34 | - |
Rain (mm) | 2 | 1 | - | - | 1 | 2 | 4 | 5 | 4 | 1 | 2 | 2 | 2 | - | - | - | 1 | 1 | - | - | - | - | - | - |
| Temp. °C | 28 | 27 | 27 | 27 | 27 | 29 | 28 | 27 | 27 | 26 | 26 | 26 | 27 | 28 | 28 | 28 | 28 | 28 | 27 | 27 | 27 | 28 | 29 | 29 |
| Feels °C (?) | 31 | 30 | 31 | 30 | 29 | 31 | 29 | 27 | 28 | 28 | 27 | 26 | 27 | 28 | 27 | 27 | 28 | 28 | 27 | 28 | 29 | 30 | 29 | 30 |

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

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