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 Chapadmalal at 7PM is: 1.3m 7s primary swell from a South direction and 0.8m 12s secondary swell from a South direction, 0.5m 10s secondary swell from a South direction (forecast issued at 02:00pm December 16). The wind direction is predicted to be cross-shore.
| Time (-03) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (16 Dec) | - | - |
| Afternoon (16 Dec) | 5ft (1.6m) | 7s |
| Evening (16 Dec) | 4.5ft (1.4m) | 11s |
Table - waves today at Chapadmalal. (Swell directed towards the surf break)
Tuesday 16 | Wednesday 17 | Thursday 18 | Friday 19 | |||||||||||||||||||||
| 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 | 9 AM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map | ||||||||||||||||||||||||
| Wave Height (m) & direction (?) | SSW | S | S | S | S | S | S | S | S | S | S | SSW | ENE | S | S | S | SSW | SSW | SSW | SSW | S | S | S | S |
| Period(s) (?) | 7 | 7 | 7 | 11 | 11 | 10 | 10 | 10 | 10 | 10 | 9 | 9 | 7 | 9 | 8 | 8 | 8 | 4 | 5 | 5 | 12 | 12 | 11 | 11 |
Wave (?)Graph | ||||||||||||||||||||||||
| 261 | 243 | 173 | 467 | 432 | 294 | 233 | 153 | 120 | 87 | 57 | 113 | 38 | 28 | 12 | 12 | 26 | 29 | 54 | 70 | 513 | 172 | 196 | 323 | |
Wind (km/h) | SSW | SSW | SSW | S | NNE | NNW | NNW | NNW | NW | NW | NW | WSW | WNW | NNE | NNE | W | SSW | SSW | SSW | SSW | S | SE | ESE | E |
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross | cross- on | cross- on | cross- on | cross- off | cross- off | cross- off | off | off | off | off | cross- off | glass | cross- off | cross- off | cross- off | cross- on | cross | cross | cross- on | cross- on | on | on | cross- on |
High Tide / height (m) | 5:06PM 0.96 | 5:01AM 1.11 | 5:59PM 0.95 | 5:41AM 1.14 | 6:47PM 0.94 | 6:21AM 1.18 | ||||||||||||||||||
Low Tide / height (m) | 11:13AM 0.35 | 11:03PM 0.52 | 12:04PM 0.30 | 11:43PM 0.56 | 12:52PM 0.25 | 12:26AM 0.57 | ||||||||||||||||||
Tuesday 16 | Wednesday 17 | Thursday 18 | Friday 19 | |||||||||||||||||||||
| Sunrise | - | - | - | - | - | - | 5:22 | - | - | - | - | - | - | - | 5:22 | - | - | - | - | - | - | - | 5:22 | - |
| Sunset | - | - | 8:09 | - | - | - | - | - | - | - | 8:10 | - | - | - | - | - | - | - | 8:10 | - | - | - | - | - |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | 3 | 1 | 1 | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 15 | 15 | 15 | 14 | 13 | 10 | 12 | 19 | 27 | 30 | 30 | 17 | 17 | 16 | 17 | 19 | 20 | 19 | 19 | 17 | 16 | 16 | 15 | 17 |
| Feels °C (?) | 6 | 8 | 10 | 12 | 9 | 3 | 5 | 11 | 20 | 24 | 24 | 15 | 18 | 16 | 15 | 18 | 18 | 13 | 12 | 12 | 10 | 13 | 12 | 13 |

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

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