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 Blackhead at 10PM is: 0.9m 10s primary swell from a East-northeast direction and 0.5m 6s secondary swell from a South direction (forecast issued at 06:00pm December 11). The wind direction is predicted to be cross-offshore.
| Time (NZDT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (11 Dec) | - | - |
| Afternoon (11 Dec) | 3ft (0.9m) | 10s |
| Evening (11 Dec) | 3.5ft (1.0m) | 10s |
Table - waves today at Blackhead. (Swell directed towards the surf break)
Thursday 11 | Friday 12 | Saturday 13 | Sunday 14 | |||||||||||||||||||||
| 4 PM | 7 PM | 10 PM | 1 AM | 4 AM | 7 AM | 10 AM | 1 PM | 4 PM | 7 PM | 10 PM | 1 AM | 4 AM | 7 AM | 10 AM | 1 PM | 4 PM | 7 PM | 10 PM | 1 AM | 4 AM | 7 AM | 10 AM | 1 PM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map | ||||||||||||||||||||||||
| Wave Height (m) & direction (?) | NE | NE | ENE | ENE | ENE | ENE | ENE | S | S | S | S | S | S | S | S | S | SSE | SE | SSW | SE | SSW | SSW | S | S |
| Period(s) (?) | 10 | 10 | 10 | 9 | 9 | 9 | 9 | 6 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 8 | 7 | 8 | 8 | 7 | 8 |
Wave (?)Graph | ||||||||||||||||||||||||
| 188 | 188 | 161 | 145 | 145 | 141 | 101 | 263 | 255 | 204 | 150 | 128 | 104 | 128 | 134 | 146 | 99 | 79 | 94 | 54 | 87 | 65 | 54 | 50 | |
Wind (km/h) | ESE | E | WNW | WNW | W | WSW | SSW | S | S | S | S | SSW | SW | SW | S | SSE | SSE | SE | E | NNW | NW | NNW | NE | ENE |
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- on | on | cross- off | off | off | cross- off | cross- off | cross | cross | cross | cross | cross- off | cross- off | cross- off | cross | cross | cross- on | cross- on | glass | cross- off | cross- off | cross- off | cross- on | cross- on |
High Tide / height (m) | 11:59PM 1.39 | 12:22PM 1.48 | 12:53AM 1.35 | 1:14PM 1.41 | 1:46AM 1.31 | |||||||||||||||||||
Low Tide / height (m) | 6:09AM 0.14 | 6:45PM 0.13 | 7:02AM 0.20 | 7:35PM 0.17 | 7:54AM 0.25 | |||||||||||||||||||
Thursday 11 | Friday 12 | Saturday 13 | Sunday 14 | |||||||||||||||||||||
| Sunrise | - | - | - | - | - | 5:35 | - | - | - | - | - | - | - | 5:37 | - | - | - | - | - | - | - | 5:37 | - | - |
| Sunset | - | 8:35 | - | - | - | - | - | - | - | 8:36 | - | - | - | - | - | - | - | 8:37 | - | - | - | - | - | - |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 17 | 17 | 16 | 16 | 15 | 15 | 16 | 16 | 16 | 15 | 13 | 13 | 11 | 11 | 15 | 15 | 16 | 15 | 13 | 12 | 11 | 11 | 16 | 17 |
| Feels °C (?) | 15 | 17 | 15 | 13 | 9 | 10 | 10 | 9 | 10 | 10 | 10 | 11 | 8 | 8 | 11 | 11 | 13 | 13 | 12 | 11 | 9 | 9 | 13 | 12 |

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

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