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 Oswald State Park/Short Sands at 12AM is: 4.5m 10s primary swell from a West direction and 0.1m 16s secondary swell from a Southwest direction (forecast issued at 09:00pm December 16). The wind direction is predicted to be cross-onshore.
| Time (PST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (17 Dec) | 11ft (3.5m) | 11s |
| Afternoon (17 Dec) | 13ft (4.0m) | 11s |
| Evening (17 Dec) | 11ft (3.5m) | 11s |
Table - waves today at Oswald State Park/Short Sands. (Swell directed towards the surf break)
Tue 16 | Wednesday 17 | Thursday 18 | Friday 19 | |||||||||||||||||||||
| 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 | 4 PM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map | ||||||||||||||||||||||||
| Wave Height (m) & direction (?) | WSW | SW | W | W | W | WSW | W | W | W | W | W | W | W | W | WSW | WSW | WSW | SW | SW | SW | WNW | WNW | WNW | WNW |
| Period(s) (?) | 11 | 9 | 10 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 10 | 11 | 11 | 11 | 11 | 11 | 12 | 12 | 11 |
Wave (?)Graph | ||||||||||||||||||||||||
| 615 | 1637 | 3826 | 5392 | 5576 | 2821 | 4264 | 3675 | 3190 | 2846 | 2476 | 2138 | 1829 | 1548 | 2031 | 2948 | 3811 | 2150 | 1836 | 1562 | 1230 | 1568 | 1365 | 1331 | |
Wind (km/h) | S | SSW | WNW | WNW | W | W | WSW | WSW | SW | SSW | SSE | SE | SE | SSE | SSW | SSW | NW | NW | NW | WNW | W | WSW | W | W |
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross | cross- on | on | on | on | on | on | cross- on | cross- on | cross | cross- off | cross- off | cross- off | cross- off | cross- on | cross- on | cross- on | cross- on | cross- on | on | on | on | on | on |
High Tide / height (m) | 11:50PM 1.64 | 10:19AM 2.27 | 12:34AM 1.71 | 10:55AM 2.30 | 1:12AM 1.76 | 11:31AM 2.31 | ||||||||||||||||||
Low Tide / height (m) | 5:43PM 0.05 | 4:58AM 0.85 | 6:20PM -0.03 | 5:41AM 0.89 | 6:56PM -0.08 | 6:21AM 0.90 | ||||||||||||||||||
Tue 16 | Wednesday 17 | Thursday 18 | Friday 19 | |||||||||||||||||||||
| Sunrise | - | - | - | - | - | 7:50 | - | - | - | - | - | - | - | 7:50 | - | - | - | - | - | - | - | 7:52 | - | - |
| Sunset | - | - | - | - | - | - | - | 4:31 | - | - | - | - | - | - | - | 4:31 | - | - | - | - | - | - | - | 4:32 |
Rain (mm) | 1 | 3 | 12 | 1 | 2 | 2 | 2 | 1 | 1 | 1 | 1 | 2 | 3 | 4 | 8 | 10 | 11 | 11 | 3 | - | - | 1 | 2 | 2 |
| Temp. °C | 13 | 13 | 8 | 9 | 9 | 9 | 9 | 9 | 10 | 10 | 9 | 7 | 6 | 8 | 13 | 13 | 11 | 9 | 9 | 9 | 9 | 9 | 9 | 9 |
| Feels °C (?) | 5 | 5 | -4 | -2 | -2 | -1 | 1 | 2 | 4 | 4 | 4 | 2 | 1 | 1 | 5 | 6 | 7 | 3 | 3 | 3 | 3 | 1 | 1 | 1 |

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

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