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 Slade Bay/Boot Reef at 6PM is: 2.4m 18s primary swell from a West-southwest direction (forecast issued at 11:00am December 12). The wind direction is predicted to be cross-onshore.
| Time (GMT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (12 Dec) | 8ft (2.5m) | 14s |
| Afternoon (12 Dec) | 8ft (2.5m) | 18s |
| Evening (12 Dec) | 8ft (2.4m) | 17s |
Table - waves today at Slade Bay/Boot Reef. (Swell directed towards the surf break)
Friday 12 | Saturday 13 | Sunday 14 | Monday 15 | |||||||||||||||||||||
| 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 | 3 AM | 6 AM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map | ||||||||||||||||||||||||
| Wave Height (m) & direction (?) | WSW | WSW | WSW | WSW | WSW | WSW | WSW | WSW | WSW | WSW | WSW | WSW | WSW | WSW | WSW | WSW | SW | WSW | WSW | WSW | WSW | WSW | WSW | WSW |
| Period(s) (?) | 14 | 14 | 18 | 18 | 17 | 17 | 16 | 16 | 16 | 15 | 14 | 14 | 8 | 8 | 9 | 9 | 9 | 12 | 10 | 10 | 10 | 11 | 11 | 11 |
Wave (?)Graph | ||||||||||||||||||||||||
| 2557 | 1902 | 3864 | 3393 | 3277 | 2958 | 2417 | 2080 | 1828 | 1589 | 1700 | 1858 | 628 | 861 | 986 | 1033 | 885 | 2020 | 1628 | 1744 | 1885 | 1843 | 1941 | 2166 | |
Wind (km/h) | WNW | WSW | WSW | WSW | WSW | SW | WSW | SW | SSW | SW | SW | SSW | SSW | SSW | SSW | SSW | SSW | SSW | SSW | S | S | S | S | S |
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- off | cross | cross | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | on | on | on | on | on | on | on | on | on | on |
High Tide / height (m) | 11:47AM 6.60 | 12:23AM 6.14 | 12:52PM 6.31 | 1:30AM 6.05 | 1:58PM 6.22 | 2:33AM 6.15 | ||||||||||||||||||
Low Tide / height (m) | 6:13PM 2.23 | 6:37AM 2.46 | 7:18PM 2.38 | 7:44AM 2.53 | 8:19PM 2.37 | |||||||||||||||||||
Friday 12 | Saturday 13 | Sunday 14 | Monday 15 | |||||||||||||||||||||
| Sunrise | 8:11 | - | - | - | - | - | - | - | 8:12 | - | - | - | - | - | - | - | 8:14 | - | - | - | - | - | - | - |
| Sunset | - | - | 4:07 | - | - | - | - | - | - | - | 4:07 | - | - | - | - | - | - | - | 4:07 | - | - | - | - | - |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | 3 |
| Temp. °C | 10 | 11 | 11 | 10 | 11 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 11 | 11 | 11 | 11 | 11 | 12 | 11 |
| Feels °C (?) | 7 | 8 | 7 | 6 | 7 | 6 | 5 | 6 | 5 | 4 | 4 | 3 | 3 | 3 | 2 | 3 | 2 | 4 | 4 | 4 | 4 | 3 | 4 | 3 |

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

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