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 11PM is: 2.5m 8s primary swell from a West-southwest direction and 0.6m 13s secondary swell from a West-southwest direction, 0.8m 13s secondary swell from a West direction (forecast issued at 05:00pm December 13). The wind direction is predicted to be cross-onshore.
| Time (GMT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (13 Dec) | - | - |
| Afternoon (13 Dec) | 7ft (2.2m) | 14s |
| Evening (13 Dec) | 8ft (2.5m) | 8s |
Table - waves today at Slade Bay/Boot Reef. (Swell directed towards the surf break)
Saturday 13 | Sunday 14 | Monday 15 | Tuesday 16 | |||||||||||||||||||||
| 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 | 9 AM | 12 PM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map | ||||||||||||||||||||||||
| Wave Height (m) & direction (?) | WSW | WSW | WSW | WSW | WSW | WSW | WSW | WSW | WSW | WSW | WSW | WSW | SW | SW | WSW | WSW | WSW | WSW | WSW | WSW | WSW | WSW | WSW | WSW |
| Period(s) (?) | 14 | 7 | 8 | 8 | 9 | 12 | 11 | 12 | 10 | 10 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 13 | 13 | 14 | 14 | 14 | 14 | 14 |
Wave (?)Graph | ||||||||||||||||||||||||
| 1933 | 568 | 765 | 941 | 1172 | 1718 | 1913 | 2243 | 1827 | 2118 | 2487 | 2800 | 3042 | 2539 | 1789 | 1134 | 971 | 1211 | 919 | 947 | 813 | 837 | 911 | 899 | |
Wind (km/h) | SW | SSW | SSW | SSW | SSW | SSW | SSW | S | SSW | SSW | SSW | SSW | SSW | SSW | S | SSW | N | N | NNW | NNW | N | N | N | N |
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | on | on | on | on | on | on | on | on | on | cross- on | off | off | cross- off | off | off | off | off | off |
High Tide / height (m) | 12:52PM 6.31 | 1:30AM 6.05 | 1:58PM 6.22 | 2:33AM 6.15 | 2:58PM 6.30 | 3:28AM 6.37 | ||||||||||||||||||
Low Tide / height (m) | 7:18PM 2.38 | 7:44AM 2.53 | 8:19PM 2.37 | 8:45AM 2.43 | 9:13PM 2.24 | 9:38AM 2.22 | ||||||||||||||||||
Saturday 13 | Sunday 14 | Monday 15 | Tuesday 16 | |||||||||||||||||||||
| Sunrise | - | - | - | - | - | - | 8:14 | - | - | - | - | - | - | - | 8:15 | - | - | - | - | - | - | - | 8:15 | - |
| Sunset | 4:07 | - | - | - | - | - | - | - | 4:07 | - | - | - | - | - | - | - | 4:07 | - | - | - | - | - | - | - |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | 1 | 3 | 5 | 8 | 7 | 5 | 3 | - | - | - | - | - | - | - |
| Temp. °C | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 11 | 11 | 12 | 12 | 11 | 11 | 11 | 11 | 10 | 9 | 9 | 9 | 9 | 8 | 8 | 8 | 9 |
| Feels °C (?) | 3 | 3 | 3 | 2 | 2 | 3 | 3 | 3 | 3 | 3 | 3 | 2 | 2 | 3 | 5 | 5 | 5 | 4 | 5 | 5 | 3 | 4 | 4 | 5 |

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

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