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 Isolators at 5AM is: 1.4m 12s primary swell from a West-southwest direction (forecast issued at 01:00am December 12). An open ocean swell of 0.8m 4s is not directed at the surf break. The wind direction is predicted to be cross-offshore.
| Time (AWST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (12 Dec) | 4.5ft (1.4m) | 12s |
| Afternoon (12 Dec) | 4.5ft (1.3m) | 12s |
| Evening (12 Dec) | 4.5ft (1.3m) | 12s |
Table - waves today at Isolators. (Swell directed towards the surf break)
Friday 12 | Saturday 13 | Sunday 14 | ||||||||||||||||||||||
| 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 | 8 PM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map | ||||||||||||||||||||||||
| Wave Height (m) & direction (?) | WSW | SW | WSW | WSW | SW | WSW | WSW | WSW | WSW | WSW | WSW | WSW | WSW | WSW | WSW | WSW | WSW | WSW | WSW | WSW | SW | SW | WSW | WSW |
| Period(s) (?) | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 12 |
Wave (?)Graph | ||||||||||||||||||||||||
| 451 | 597 | 554 | 563 | 646 | 500 | 500 | 429 | 456 | 414 | 400 | 347 | 347 | 386 | 297 | 247 | 247 | 247 | 247 | 247 | 169 | 169 | 265 | 275 | |
Wind (km/h) | SE | SE | SE | SE | S | S | S | SSE | SE | ESE | ESE | ESE | SSW | SSW | S | SSE | ESE | E | E | E | ENE | NW | SSW | NNE |
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- off | cross- off | cross- off | cross- off | cross | cross- on | cross | cross | cross- off | cross- off | cross- off | cross- off | cross- on | cross- on | cross | cross | cross- off | cross- off | cross- off | off | off | cross- on | cross- on | cross- off |
High Tide / height (m) | 9:52PM 0.53 | 8:46PM 0.51 | 7:04PM 0.54 | 6:56PM 0.60 | ||||||||||||||||||||
Low Tide / height (m) | 11:56AM 0.30 | 7:44AM 0.30 | 4:26AM 0.25 | |||||||||||||||||||||
Friday 12 | Saturday 13 | Sunday 14 | ||||||||||||||||||||||
| Sunrise | - | - | - | 5:01 | - | - | - | - | - | - | - | 5:03 | - | - | - | - | - | - | - | 5:03 | - | - | - | - |
| Sunset | - | - | - | - | - | - | 7:22 | - | - | - | - | - | - | - | 7:23 | - | - | - | - | - | - | - | 7:24 | - |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 16 | 14 | 14 | 18 | 25 | 25 | 23 | 18 | 17 | 15 | 14 | 18 | 24 | 27 | 27 | 23 | 23 | 20 | 19 | 23 | 31 | 29 | 28 | 27 |
| Feels °C (?) | 10 | 9 | 9 | 12 | 20 | 18 | 15 | 11 | 11 | 10 | 10 | 14 | 22 | 22 | 21 | 17 | 16 | 13 | 12 | 17 | 27 | 28 | 25 | 25 |

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

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