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 Withernsea at 7PM is: 0.4m 3s primary swell from a North-northwest direction and 0.1m 6s secondary swell from a North direction (forecast issued at 05:00pm December 16). An open ocean swell of 0.2m 4s is not directed at the surf break. The wind direction is predicted to be cross-offshore.
| Time (GMT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (16 Dec) | - | - |
| Afternoon (16 Dec) | 1.5ft (0.4m) | 3s |
| Evening (16 Dec) | 1ft (0.3m) | 3s |
Table - waves today at Withernsea. (Swell directed towards the surf break)
Tuesday 16 | Wednesday 17 | Thursday 18 | Friday 19 | |||||||||||||||||||||
| 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 (?) | N | NNW | NNW | N | ESE | SSW | S | N | N | N | N | N | N | N | N | N | N | N | N | N | N | N | N | N |
| Period(s) (?) | 3 | 3 | 3 | 3 | 4 | 2 | 3 | 13 | 12 | 11 | 11 | 11 | 10 | 10 | 10 | 10 | 25 | 24 | 23 | 23 | 22 | 22 | 21 | 21 |
Wave (?)Graph | ||||||||||||||||||||||||
| 3 | 3 | 2 | 1 | 0 | 0 | 0 | 3 | 3 | 3 | 2 | 2 | 2 | 2 | 2 | 2 | 12 | 45 | 43 | 40 | 38 | 9 | 9 | 8 | |
Wind (km/h) | NNW | WNW | W | W | SW | SSW | SSW | SSW | SSW | SSW | SSW | SSW | SSW | SSW | S | SSE | SSE | SSW | SW | WSW | SW | SW | SW | SW |
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross | cross- off | cross- off | cross- off | off | cross- off | cross- off | off | cross- off | cross- off | cross- off | cross- off | off | off | cross- off | cross- off | cross- off | cross- off | off | off | off | off | off | off |
High Tide / height (m) | 2:31PM 4.09 | 2:45AM 4.16 | 3:11PM 4.24 | 3:29AM 4.30 | 3:49PM 4.39 | 4:09AM 4.42 | ||||||||||||||||||
Low Tide / height (m) | 8:42PM 1.42 | 9:03AM 1.17 | 9:25PM 1.19 | 9:44AM 1.07 | 10:05PM 0.98 | 10:22AM 0.96 | ||||||||||||||||||
Tuesday 16 | Wednesday 17 | Thursday 18 | Friday 19 | |||||||||||||||||||||
| Sunrise | - | - | - | - | - | - | 8:11 | - | - | - | - | - | - | - | 8:11 | - | - | - | - | - | - | - | 8:12 | - |
| Sunset | 3:38 | - | - | - | - | - | - | - | 3:38 | - | - | - | - | - | - | - | 3:38 | - | - | - | - | - | - | - |
Rain (mm) | - | - | - | - | - | - | - | - | 1 | 1 | - | 2 | 4 | - | - | - | 7 | 5 | - | - | - | - | - | - |
| Temp. °C | 8 | 8 | 7 | 6 | 5 | 5 | 5 | 7 | 7 | 8 | 9 | 9 | 10 | 10 | 9 | 9 | 10 | 11 | 10 | 8 | 7 | 8 | 9 | 9 |
| Feels °C (?) | 4 | 4 | 4 | 2 | 0 | -1 | -3 | -2 | -2 | -1 | -1 | -1 | 2 | 6 | 5 | 4 | 1 | -1 | 1 | 0 | -3 | -1 | -1 | 0 |

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

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