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 Kennet Rivermouth/Point at 3AM is: 1.2m 10s primary swell from a South-southwest direction and 0.4m 12s secondary swell from a West-southwest direction (forecast issued at 10:00pm December 16). The wind direction is predicted to be cross-shore.
| Time (AEDT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (17 Dec) | 3.5ft (1.0m) | 10s |
| Afternoon (17 Dec) | 3ft (0.9m) | 10s |
| Evening (17 Dec) | 3ft (0.9m) | 9s |
Table - waves today at Kennet Rivermouth/Point. (Swell directed towards the surf break)
Tue 16 | Wednesday 17 | Thursday 18 | Friday 19 | |||||||||||||||||||||
| 8 PM | 11 PM | 2 AM | 5 AM | 8 AM | 11 AM | 2 PM | 5 PM | 8 PM | 11 PM | 2 AM | 5 AM | 8 AM | 11 AM | 2 PM | 5 PM | 8 PM | 11 PM | 2 AM | 5 AM | 8 AM | 11 AM | 2 PM | 5 PM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map | ||||||||||||||||||||||||
| Wave Height (m) & direction (?) | SSW | SSW | SSW | SSW | SSW | SSW | SSW | SSW | SSW | SSW | SW | SW | SW | SW | SW | SW | SW | SW | SW | SSW | SSW | SSW | SSW | SW |
| Period(s) (?) | 11 | 11 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 9 | 9 | 11 | 11 | 11 | 12 | 14 | 14 | 13 | 13 | 13 | 13 | 12 | 12 | 12 |
Wave (?)Graph | ||||||||||||||||||||||||
| 431 | 415 | 339 | 260 | 214 | 173 | 186 | 135 | 129 | 98 | 53 | 71 | 72 | 80 | 86 | 103 | 218 | 261 | 249 | 290 | 281 | 264 | 247 | 195 | |
Wind (km/h) | ESE | ENE | NE | NE | NNE | ENE | ESE | SE | SSE | E | N | N | NW | SSW | S | S | NNE | NNE | N | N | WSW | ESE | E | SW |
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- on | cross | cross | cross- off | cross- off | cross- on | on | glass | glass | cross- on | cross- off | cross- off | glass | cross | cross- on | cross- on | cross- off | cross- off | cross- off | cross- off | cross- off | glass | cross- on | cross |
High Tide / height (m) | 10:07PM 1.38 | 8:33AM 1.25 | 11:16PM 1.45 | 9:35AM 1.19 | 12:12AM 1.53 | 10:44AM 1.17 | ||||||||||||||||||
Low Tide / height (m) | 3:44AM 1.01 | 3:43PM 0.44 | 5:15AM 1.01 | 4:38PM 0.41 | 6:25AM 0.97 | |||||||||||||||||||
Tue 16 | Wednesday 17 | Thursday 18 | Friday 19 | |||||||||||||||||||||
| Sunrise | - | - | - | - | 5:54 | - | - | - | - | - | - | - | 5:54 | - | - | - | - | - | - | - | 5:54 | - | - | - |
| Sunset | 8:45 | - | - | - | - | - | - | - | 8:45 | - | - | - | - | - | - | - | 8:45 | - | - | - | - | - | - | - |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 12 | 11 | 11 | 11 | 15 | 21 | 23 | 22 | 20 | 18 | 17 | 20 | 22 | 24 | 24 | 24 | 21 | 20 | 22 | 23 | 22 | 24 | 24 | 23 |
| Feels °C (?) | 11 | 9 | 9 | 9 | 13 | 20 | 21 | 21 | 19 | 16 | 15 | 17 | 20 | 21 | 22 | 22 | 20 | 17 | 18 | 19 | 20 | 23 | 23 | 21 |

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

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