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 Grindavik Lighthouse ( Hopsnesta) at 2AM is: 2.5m 6s primary swell from a East-southeast direction and 1.3m 12s secondary swell from a Southwest direction, 0.9m 8s secondary swell from a South-southeast direction (forecast issued at 11:00pm December 16). The wind direction is predicted to be offshore.
| Time (GMT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (17 Dec) | 11ft (3.5m) | 11s |
| Afternoon (17 Dec) | 11ft (3.5m) | 10s |
| Evening (17 Dec) | 25ft (7.5m) | 20s |
Table - waves today at Grindavik Lighthouse ( Hopsnesta). (Swell directed towards the surf break)
Wednesday 17 | Thursday 18 | Friday 19 | ||||||||||||||||||||||
| 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 | 3 PM | 6 PM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map | ||||||||||||||||||||||||
| Wave Height (m) & direction (?) | SW | SW | ESE | ESE | SSE | SSE | SSE | SSW | SSW | SSW | SSW | SSW | SSW | SSW | SSW | S | S | S | SSE | SSE | SSE | SSE | SSE | SSE |
| Period(s) (?) | 12 | 12 | 7 | 8 | 11 | 11 | 10 | 22 | 20 | 19 | 19 | 18 | 17 | 16 | 15 | 14 | 13 | 13 | 12 | 12 | 11 | 11 | 10 | 10 |
Wave (?)Graph | ||||||||||||||||||||||||
| 970 | 748 | 812 | 1170 | 2570 | 2820 | 2239 | 3888 | 42581 | 47123 | 46924 | 39703 | 28174 | 16088 | 9217 | 6560 | 3781 | 3622 | 1735 | 1671 | 991 | 1008 | 689 | 634 | |
Wind (km/h) | E | E | E | E | E | E | E | E | E | ENE | E | E | ENE | NE | NE | NE | NE | NE | NNE | NNE | NE | E | E | ENE |
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | off | off | off | off | off | off | off | off | off | off | off | off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | off | off | cross- off |
High Tide / height (m) | 4:26AM 2.72 | 4:42PM 2.51 | 5:05AM 2.86 | 5:21PM 2.60 | 5:42AM 2.97 | 5:58PM 2.68 | ||||||||||||||||||
Low Tide / height (m) | 10:05PM 0.72 | 10:41AM 0.75 | 10:45PM 0.64 | 11:21AM 0.65 | 11:22PM 0.55 | 11:57AM 0.57 | ||||||||||||||||||
Wednesday 17 | Thursday 18 | Friday 19 | ||||||||||||||||||||||
| Sunrise | - | - | - | - | - | 11:14 | - | - | - | - | - | - | - | 11:15 | - | - | - | - | - | - | - | 11:15 | - | - |
| Sunset | - | - | - | - | - | - | 3:36 | - | - | - | - | - | - | - | 3:36 | - | - | - | - | - | - | - | 3:36 | - |
Rain (mm) | - | - | - | 2 | 7 | 1 | 1 | - | - | - | 1 | 1 | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 4 | 4 | 4 | 4 | 5 | 5 | 4 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 3 | 4 | 4 | 4 | 4 | 4 | 5 | 5 |
| Feels °C (?) | -7 | -8 | -10 | -11 | -4 | -5 | -7 | -5 | -4 | -5 | -4 | -4 | -4 | -4 | -3 | -3 | -4 | -1 | -1 | 0 | 0 | -1 | 1 | 0 |

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

Surf-forecast is providing a free, all-access pass to our premium features and 12-day forecasts all weekend.

Previously used in our snow jackets for mountain conditions, PrimaLoft® technology is making its debut in the surf industry. The aim is to bring mountain-grade warmth to the waves.

Surf-Forecast recently helped the 21-year-old Canadian pro surfer and adventurer score some cold water perfection at home.
Discover more articles and updates in the Greenroom.
The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our Grindavik Lighthouse ( Hopsnesta) surf forecast. Simply grab the html code snippet that we provide and paste it into your own site. You can choose your preferred language and metric/imperial units for the surf forecast feed to suit users of your site. Click here to get the code.

