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:

| Time (GMT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (17 Dec) | 0.5ft (0.2m) | 4s |
| Afternoon (17 Dec) | 2ft (0.6m) | 4s |
| Evening (17 Dec) | 4.5ft (1.4m) | 5s |
Table - waves today at Walberswick. (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 (?) | SSE | N | N | N | NNE | N | SSW | SSW | SSW | S | S | S | S | S | S | S | S | N | N | SSW | N | N | SSW | SSW |
| Period(s) (?) | 4 | 3 | 3 | 4 | 4 | 4 | 4 | 4 | 5 | 6 | 6 | 7 | 7 | 7 | 7 | 7 | 7 | 23 | 22 | 5 | 22 | 22 | 5 | 5 |
Wave (?)Graph | ||||||||||||||||||||||||
| 0 | 0 | 0 | 1 | 1 | 1 | 10 | 41 | 109 | 258 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 10 | 10 | 39 | 9 | 9 | 0 | 0 | |
Wind (km/h) | NNW | NNW | NW | W | SW | SSW | SSW | SSW | SSW | SSW | SSW | SSW | SSW | S | S | SSW | SSW | SW | W | SW | SW | WSW | SW | SW |
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- off | cross- off | cross- off | off | cross- off | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off |
High Tide / height (m) | 7:51PM 1.97 | 7:54AM 1.96 | 8:30PM 2.01 | 8:45AM 2.01 | 9:10PM 2.05 | 9:34AM 2.04 | ||||||||||||||||||
Low Tide / height (m) | 2:03AM 0.63 | 2:20PM 0.46 | 2:41AM 0.52 | 2:57PM 0.45 | 3:17AM 0.43 | 3:33PM 0.45 | ||||||||||||||||||
Wednesday 17 | Thursday 18 | Friday 19 | ||||||||||||||||||||||
| Sunrise | - | - | - | - | 7:56 | - | - | - | - | - | - | - | 7:58 | - | - | - | - | - | - | - | 7:58 | - | - | - |
| Sunset | - | - | - | - | - | - | 3:40 | - | - | - | - | - | - | - | 3:40 | - | - | - | - | - | - | - | 3:41 | - |
Rain (mm) | - | 1 | - | - | - | - | - | - | - | - | 1 | 2 | - | - | - | 1 | 2 | - | - | - | - | - | - | - |
| Temp. °C | 8 | 8 | 7 | 6 | 6 | 7 | 8 | 9 | 9 | 9 | 9 | 10 | 10 | 10 | 11 | 11 | 11 | 11 | 9 | 7 | 7 | 8 | 8 | 8 |
| Feels °C (?) | 4 | 4 | 4 | 2 | 2 | 1 | 1 | 2 | 0 | 0 | 0 | 2 | 4 | 3 | 1 | 0 | 0 | 5 | 3 | 1 | 0 | 2 | 3 | 3 |

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

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