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 12AM is: 4.5m 18s primary swell from a West-southwest direction (forecast issued at 05:00pm December 12). The wind direction is predicted to be cross-offshore and the swell rating is 11.
| Time (GMT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (13 Dec) | - | - |
| Afternoon (13 Dec) | 18ft (5.5m) | 18s |
| Evening (13 Dec) | 16ft (5.0m) | 18s |
Table - waves today at Maenporth. (Swell directed towards the surf break)
Friday 12 | Saturday 13 | Sunday 14 | Monday 15 | |||||||||||||||||||||
| 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 | 3 AM | 6 AM | 9 AM | 12 PM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map | ||||||||||||||||||||||||
| Wave Height (m) & direction (?) | WSW | WSW | WSW | WSW | WSW | WSW | WSW | WSW | WSW | WSW | WSW | WSW | WSW | W | WSW | W | WSW | WSW | WSW | WSW | WSW | WSW | WSW | WSW |
| Period(s) (?) | 18 | 18 | 18 | 18 | 17 | 16 | 16 | 16 | 15 | 14 | 14 | 13 | 13 | 13 | 12 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 |
Wave (?)Graph | ||||||||||||||||||||||||
| 19417 | 17089 | 14952 | 13337 | 11561 | 8554 | 6826 | 5502 | 3720 | 3163 | 2826 | 2528 | 2628 | 0 | 3315 | 0 | 4369 | 4908 | 3821 | 4904 | 4023 | 3530 | 3303 | 3585 | |
Wind (km/h) | W | W | WSW | WSW | WSW | SW | SSW | SW | SW | SW | SSW | SSW | SSW | SSW | SSW | SSW | SSW | SSW | SSW | SSW | SSW | SSW | WSW | NW |
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- off | cross- off | cross- off | cross- off | cross- off | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- off | glass |
High Tide / height (m) | 11:50PM 3.91 | 12:14PM 4.30 | 12:49AM 3.92 | 1:11PM 4.25 | 1:42AM 4.00 | |||||||||||||||||||
Low Tide / height (m) | 5:34PM 1.70 | 5:48AM 1.90 | 6:46PM 1.84 | 7:06AM 1.97 | 7:57PM 1.85 | 8:18AM 1.91 | ||||||||||||||||||
Friday 12 | Saturday 13 | Sunday 14 | Monday 15 | |||||||||||||||||||||
| Sunrise | - | - | - | - | - | - | 8:10 | - | - | - | - | - | - | - | 8:11 | - | - | - | - | - | - | - | 8:11 | - |
| Sunset | 4:16 | - | - | - | - | - | - | - | 4:16 | - | - | - | - | - | - | - | 4:16 | - | - | - | - | - | - | - |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | 3 | 7 | 8 | 6 |
| Temp. °C | 11 | 11 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 11 | 11 | 11 | 12 | 12 | 12 | 12 | 11 | 11 | 10 |
| Feels °C (?) | 7 | 8 | 7 | 7 | 7 | 7 | 6 | 5 | 5 | 5 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 5 | 4 | 4 | 5 | 5 | 8 | 9 |

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

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