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: 2.1m 12s primary swell from a South-southwest direction and 0.8m 13s secondary swell from a West-southwest direction (forecast issued at 10:00pm December 15). The wind direction is predicted to be cross-shore.
| Time (AEDT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (16 Dec) | 6ft (1.9m) | 12s |
| Afternoon (16 Dec) | 5ft (1.6m) | 11s |
| Evening (16 Dec) | 4.5ft (1.4m) | 11s |
Table - waves today at Kennet Rivermouth/Point. (Swell directed towards the surf break)
Mon 15 | Tuesday 16 | Wednesday 17 | Thursday 18 | |||||||||||||||||||||
| 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 | SSW | SSW | SSW | SSW | SSW | SSW | SSW | SSW | SW | SW | SW | SW | SW | SW |
| Period(s) (?) | 13 | 12 | 12 | 12 | 12 | 12 | 11 | 11 | 11 | 11 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 9 | 9 | 11 | 11 | 11 | 12 | 14 |
Wave (?)Graph | ||||||||||||||||||||||||
| 2023 | 1498 | 1474 | 1177 | 1000 | 872 | 705 | 503 | 431 | 415 | 339 | 260 | 214 | 173 | 173 | 135 | 129 | 98 | 54 | 90 | 94 | 125 | 110 | 103 | |
Wind (km/h) | SW | SSW | SSW | SSW | S | SSE | SSE | SE | ESE | ENE | NE | NNE | NE | ENE | ESE | SE | E | ENE | N | N | NNW | SSW | SSE | SSE |
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross | cross | cross | cross- on | cross- on | cross- on | on | on | cross- on | glass | cross | cross- off | cross | cross | cross- on | on | glass | cross | cross- off | cross- off | cross- off | cross- on | cross- on | on |
High Tide / height (m) | 8:52PM 1.34 | 7:44AM 1.33 | 10:07PM 1.38 | 8:33AM 1.25 | 11:16PM 1.45 | 9:35AM 1.19 | ||||||||||||||||||
Low Tide / height (m) | 2:18AM 0.94 | 2:49PM 0.45 | 3:44AM 1.01 | 3:43PM 0.44 | 5:15AM 1.01 | 4:38PM 0.41 | ||||||||||||||||||
Mon 15 | Tuesday 16 | Wednesday 17 | Thursday 18 | |||||||||||||||||||||
| Sunrise | - | - | - | - | 5:54 | - | - | - | - | - | - | - | 5:54 | - | - | - | - | - | - | - | 5:54 | - | - | - |
| Sunset | 8:44 | - | - | - | - | - | - | - | 8:45 | - | - | - | - | - | - | - | 8:45 | - | - | - | - | - | - | - |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 11 | 10 | 10 | 10 | 11 | 13 | 14 | 14 | 13 | 11 | 11 | 11 | 14 | 21 | 22 | 21 | 18 | 18 | 19 | 20 | 23 | 22 | 23 | 23 |
| Feels °C (?) | 6 | 6 | 6 | 7 | 9 | 11 | 12 | 12 | 12 | 10 | 9 | 8 | 12 | 19 | 20 | 20 | 17 | 16 | 17 | 17 | 20 | 19 | 21 | 22 |

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

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