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 Castles at 8AM is: 0.3m 10s primary swell from a Southeast direction and 0.1m 9s secondary swell from a South direction (forecast issued at 06:00am December 15). An open ocean swell of 1.4m 5s is not directed at the surf break. The wind direction is predicted to be offshore.
| Time (EST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (15 Dec) | 0.5ft (0.2m) | 10s |
| Afternoon (15 Dec) | 1ft (0.3m) | 11s |
| Evening (15 Dec) | 1ft (0.3m) | 11s |
Table - waves today at Castles. (Swell directed towards the surf break)
Monday 15 | Tuesday 16 | Wednesday 17 | Thu 18 | |||||||||||||||||||||
| 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 | 7 PM | 10 PM | 1 AM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map | ||||||||||||||||||||||||
| Wave Height (m) & direction (?) | SE | SE | SSE | SE | SE | SE | SE | SE | SE | SE | SE | SE | SE | SE | SE | SE | SW | SSW | SSW | SSW | SSW | SSW | S | S |
| Period(s) (?) | 9 | 10 | 10 | 10 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 10 | 4 | 5 | 6 | 6 | 7 | 7 | 7 | 7 |
Wave (?)Graph | ||||||||||||||||||||||||
| 13 | 14 | 10 | 17 | 18 | 18 | 18 | 18 | 19 | 19 | 19 | 19 | 18 | 18 | 18 | 16 | 46 | 83 | 129 | 179 | 166 | 145 | 94 | 79 | |
Wind (km/h) | NW | NW | NW | WNW | WNW | W | W | WSW | WSW | W | WNW | W | W | WSW | SSW | SW | SW | SW | SW | SW | WSW | W | WNW | WNW |
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | off | off | off | off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | off | cross- off | cross- off | cross- off | cross | cross | cross | cross | cross | cross- off | cross- off | cross- off | cross- off | off |
High Tide / height (m) | 4:58AM 1.08 | 5:09PM 0.86 | 5:39AM 1.12 | 5:53PM 0.85 | 6:19AM 1.16 | 6:37PM 0.85 | ||||||||||||||||||
Low Tide / height (m) | 11:17AM 0.16 | 11:13PM 0.09 | 12:04PM 0.12 | 11:53PM 0.08 | 12:50PM 0.08 | 12:33AM 0.06 | ||||||||||||||||||
Monday 15 | Tuesday 16 | Wednesday 17 | Thu 18 | |||||||||||||||||||||
| Sunrise | - | - | 7:09 | - | - | - | - | - | - | - | 7:09 | - | - | - | - | - | - | - | 7:11 | - | - | - | - | - |
| Sunset | - | - | - | - | 4:34 | - | - | - | - | - | - | - | 4:35 | - | - | - | - | - | - | - | 4:35 | - | - | - |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | -9 | -9 | -7 | -5 | -5 | -5 | -4 | -3 | -1 | -4 | -5 | -2 | -1 | -1 | 2 | 3 | 3 | 3 | 3 | 6 | 6 | 6 | 5 | 3 |
| Feels °C (?) | -19 | -18 | -16 | -14 | -13 | -13 | -11 | -10 | -8 | -11 | -11 | -7 | -7 | -7 | -5 | -5 | -5 | -5 | -5 | -2 | -1 | -1 | 0 | -2 |

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

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