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 Mangahume at 12PM is: 3.5m 15s primary swell from a West-southwest direction (forecast issued at 06:00am December 17). The wind direction is predicted to be onshore.
| Time (NZDT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (17 Dec) | 11ft (3.5m) | 16s |
| Afternoon (17 Dec) | 11ft (3.5m) | 14s |
| Evening (17 Dec) | 11ft (3.5m) | 14s |
Table - waves today at Mangahume. (Swell directed towards the surf break)
Wednesday 17 | Thursday 18 | Friday 19 | Sat 20 | |||||||||||||||||||||
| 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 (?) | WSW | WSW | WSW | WSW | WSW | WSW | WSW | WSW | WSW | WSW | WSW | WSW | WSW | WSW | WSW | WSW | WSW | WSW | WSW | W | W | WNW | W | W |
| Period(s) (?) | 16 | 16 | 16 | 15 | 14 | 14 | 14 | 14 | 14 | 13 | 13 | 13 | 13 | 13 | 12 | 8 | 12 | 7 | 7 | 7 | 6 | 7 | 8 | 8 |
Wave (?)Graph | ||||||||||||||||||||||||
| 3175 | 6151 | 6242 | 5614 | 4834 | 4591 | 4037 | 3446 | 2814 | 2279 | 2084 | 1699 | 1538 | 1276 | 1220 | 452 | 440 | 381 | 317 | 280 | 290 | 529 | 1040 | 1090 | |
Wind (km/h) | W | W | WSW | SSW | SSW | SSW | WSW | W | W | W | W | W | WNW | WNW | WNW | WNW | WNW | WNW | WNW | WNW | NW | NW | NW | W |
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- on | cross- on | on | on | cross- on | on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross | cross | cross | cross | cross- on |
High Tide / height (m) | 9:03AM 2.58 | 9:17PM 2.57 | 9:45AM 2.68 | 9:59PM 2.66 | 10:24AM 2.78 | 10:38PM 2.73 | ||||||||||||||||||
Low Tide / height (m) | 2:48AM 0.67 | 3:13PM 0.74 | 3:30AM 0.59 | 3:54PM 0.65 | 4:10AM 0.51 | 4:34PM 0.57 | ||||||||||||||||||
Wednesday 17 | Thursday 18 | Friday 19 | Sat 20 | |||||||||||||||||||||
| Sunrise | - | 5:50 | - | - | - | - | - | - | - | 5:50 | - | - | - | - | - | - | - | 5:52 | - | - | - | - | - | - |
| Sunset | - | - | - | - | - | 8:47 | - | - | - | - | - | - | - | 8:49 | - | - | - | - | - | - | - | 8:49 | - | - |
Rain (mm) | 2 | 2 | 2 | 2 | - | - | - | 1 | - | - | - | - | - | - | - | - | - | - | 1 | 1 | - | 2 | 4 | 3 |
| Temp. °C | 13 | 13 | 14 | 15 | 16 | 15 | 14 | 15 | 14 | 15 | 15 | 17 | 17 | 16 | 16 | 16 | 16 | 16 | 17 | 18 | 19 | 16 | 17 | 16 |
| Feels °C (?) | 8 | 8 | 8 | 11 | 13 | 13 | 12 | 12 | 10 | 11 | 11 | 12 | 13 | 12 | 11 | 11 | 12 | 12 | 13 | 13 | 14 | 10 | 12 | 11 |

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

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