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 Maenporth at 11AM is: 0.7m 8s primary swell from a South-southwest direction (forecast issued at 05:00am December 16). An open ocean swell of 3.0m 15s is not directed at the surf break, a second open ocean swell of 0.6m 4s is not directed at the surf break. The wind direction is predicted to be cross-offshore.
| Time (GMT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (16 Dec) | 2.5ft (0.7m) | 8s |
| Afternoon (16 Dec) | 2ft (0.6m) | 8s |
| Evening (16 Dec) | 1.5ft (0.4m) | 7s |
Table - waves today at Maenporth. (Swell directed towards the surf break)
Tuesday 16 | Wednesday 17 | Thursday 18 | Fri 19 | |||||||||||||||||||||
| 3 AM | 6 AM | 9 AM | 12 PM | 3 PM | 6 PM | 9 PM | 0 AM | 3 AM | 6 AM | 9 AM | 12 PM | 3 PM | 6 PM | 9 PM | 0 AM | 3 AM | 6 AM | 9 AM | 12 PM | 3 PM | 6 PM | 9 PM | 0 AM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map | ||||||||||||||||||||||||
| Wave Height (m) & direction (?) | SSW | SSW | SSW | S | S | SSW | SSW | WSW | WSW | SW | WSW | WSW | WSW | SW | SW | SW | WSW | WSW | WSW | WSW | WSW | WSW | WSW | SSW |
| Period(s) (?) | 8 | 8 | 8 | 8 | 8 | 7 | 7 | 14 | 14 | 5 | 13 | 13 | 13 | 12 | 11 | 11 | 22 | 21 | 20 | 20 | 19 | 19 | 18 | 10 |
Wave (?)Graph | ||||||||||||||||||||||||
| 75 | 58 | 62 | 58 | 41 | 18 | 16 | 2776 | 2468 | 63 | 1474 | 1042 | 4858 | 5102 | 5231 | 4589 | 12771 | 33635 | 30763 | 35974 | 31567 | 23820 | 19603 | 674 | |
Wind (km/h) | NNW | NNW | NNW | NNW | NNW | NW | WSW | SSW | SSW | SSW | SSW | SSW | SSW | SSW | SSW | W | SW | S | SSE | SW | SW | WNW | W | WSW |
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | off | cross- off | cross- off | off | off | off | glass | cross | cross | cross | cross | cross- on | cross- on | cross- on | cross | cross- off | cross | cross- on | cross- on | cross | cross | cross- off | cross- off | cross- off |
High Tide / height (m) | 2:29AM 4.13 | 2:47PM 4.26 | 3:11AM 4.29 | 3:28PM 4.31 | 3:51AM 4.45 | 4:07PM 4.37 | ||||||||||||||||||
Low Tide / height (m) | 9:16AM 1.78 | 9:40PM 1.64 | 10:02AM 1.63 | 10:19PM 1.51 | 10:41AM 1.48 | 10:54PM 1.38 | ||||||||||||||||||
Tuesday 16 | Wednesday 17 | Thursday 18 | Fri 19 | |||||||||||||||||||||
| Sunrise | - | - | 8:12 | - | - | - | - | - | - | - | 8:12 | - | - | - | - | - | - | - | 8:14 | - | - | - | - | - |
| Sunset | - | - | - | - | 4:17 | - | - | - | - | - | - | - | 4:17 | - | - | - | - | - | - | - | 4:17 | - | - | - |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | 1 | 2 | 5 | 3 | 4 | 3 | - | - | 2 | 16 | 4 | 1 | - | - |
| Temp. °C | 9 | 9 | 9 | 10 | 9 | 9 | 8 | 9 | 9 | 10 | 10 | 9 | 10 | 11 | 12 | 11 | 11 | 11 | 11 | 11 | 11 | 9 | 9 | 9 |
| Feels °C (?) | 3 | 3 | 4 | 5 | 5 | 6 | 6 | 5 | 3 | 3 | 2 | 0 | 0 | 2 | 3 | 8 | 9 | 9 | 8 | 7 | 3 | 0 | 1 | 1 |

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

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