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 Blowhole at 12AM is: 0.8m 10s primary swell from a East-southeast direction and 0.6m 7s secondary swell from a Northeast direction, 0.1m 14s secondary swell from a East direction (forecast issued at 06:00pm December 16). The wind direction is predicted to be cross-shore.
| Time (EST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (17 Dec) | 1.5ft (0.5m) | 10s |
| Afternoon (17 Dec) | 2ft (0.6m) | 10s |
| Evening (17 Dec) | 4ft (1.2m) | 10s |
Table - waves today at Blowhole. (Swell directed towards the surf break)
Tuesday 16 | Wednesday 17 | Thursday 18 | Friday 19 | |||||||||||||||||||||
| 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 | 4 AM | 7 AM | 10 AM | 1 PM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map | ||||||||||||||||||||||||
| Wave Height (m) & direction (?) | ESE | ESE | ESE | ESE | E | E | E | E | E | ESE | ESE | ESE | ESE | ESE | ESE | ESE | ESE | ESE | ESE | ESE | ESE | ESE | ESE | ESE |
| Period(s) (?) | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 6 | 6 | 6 | 6 | 6 | 7 | 7 | 8 | 8 | 8 | 8 | 8 | 8 |
Wave (?)Graph | ||||||||||||||||||||||||
| 100 | 100 | 128 | 128 | 70 | 49 | 70 | 70 | 68 | 201 | 248 | 74 | 90 | 165 | 129 | 123 | 229 | 310 | 393 | 263 | 226 | 191 | 172 | 144 | |
Wind (km/h) | N | N | E | SE | SSW | NW | N | NNE | NNE | NNE | ENE | SSE | SSW | S | SSE | SE | SE | SSE | S | SSW | SSW | SW | WSW | WNW |
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- on | cross- on | cross- on | cross | glass | glass | cross- on | cross- on | on | cross- on | glass | cross- off | glass | glass | cross- off | cross | cross- off | cross- off | cross- off | off | off | off | cross- off | cross- off |
High Tide / height (m) | 5:42PM 1.16 | 6:07AM 1.52 | 6:24PM 1.17 | 6:47AM 1.55 | 7:05PM 1.18 | 7:26AM 1.57 | ||||||||||||||||||
Low Tide / height (m) | 11:33PM 0.13 | 12:32PM 0.18 | 12:16AM 0.10 | 1:13PM 0.14 | 12:57AM 0.08 | |||||||||||||||||||
Tuesday 16 | Wednesday 17 | Thursday 18 | Friday 19 | |||||||||||||||||||||
| Sunrise | - | - | - | - | - | - | 7:13 | - | - | - | - | - | - | - | 7:13 | - | - | - | - | - | - | - | 7:15 | - |
| Sunset | 5:27 | - | - | - | - | - | - | - | 5:28 | - | - | - | - | - | - | - | 5:28 | - | - | - | - | - | - | - |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | 1 | 1 | - | - | - |
| Temp. °C | 15 | 16 | 19 | 19 | 19 | 19 | 19 | 19 | 18 | 19 | 20 | 20 | 20 | 20 | 21 | 23 | 23 | 21 | 21 | 21 | 20 | 20 | 21 | 23 |
| Feels °C (?) | 12 | 14 | 18 | 18 | 19 | 18 | 18 | 18 | 16 | 18 | 21 | 20 | 21 | 22 | 21 | 21 | 21 | 19 | 20 | 20 | 19 | 20 | 19 | 20 |

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

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