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:
Chokusen surfForecast / Kyu Shu / Japan
48hr Weather and Surf, issued 8 am Sunday 14 Dec 2025 JSTForecast update in hr min s Forecast update imminent
Chokusen surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Chokusen sea temperature is
21.8° C
(Which is normal for this time of year)How big are the waves at Chokusen today?
The current surf forecast for Chokusen at 10AM is: 1.2m 8s primary swell from a East-southeast direction and 0.5m 11s secondary swell from a East direction (forecast issued at 08:00am December 14). An open ocean swell of 0.6m 3s is not directed at the surf break. The wind direction is predicted to be cross-offshore.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (14 Dec) | 4.5ft (1.3m) | 8s |
| Afternoon (14 Dec) | 2ft (0.6m) | 12s |
| Evening (14 Dec) | 1.5ft (0.5m) | 12s |
Table - waves today at Chokusen. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Sunday 14 | Monday 15 | Tuesday 16 | Wed 17 | |||||||||||||||||||||
| 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 | 9 PM | 0 AM | 3 AM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 8 | 8 | 11 | 12 | 12 | 12 | 11 | 11 | 11 | 11 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 9 | 9 | 9 | 9 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 371 | 193 | 96 | 95 | 98 | 66 | 61 | 39 | 39 | 84 | 106 | 127 | 131 | 102 | 98 | 94 | 71 | 72 | 72 | 71 | 68 | 64 | 44 | 42 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | on | glass | glass | off | off | off | cross- off | glass | on | glass | cross- off | cross- off | off |
High Tide / height (m) | 2:01PM 1.52 | 3:32AM 1.33 | 2:45PM 1.56 | 4:30AM 1.44 | 3:26PM 1.61 | |||||||||||||||||||
Low Tide / height (m) | 7:37AM 0.82 | 9:04PM 0.60 | 8:44AM 0.90 | 9:48PM 0.46 | 9:42AM 0.94 | 10:26PM 0.33 | ||||||||||||||||||
Sunday 14 | Monday 15 | Tuesday 16 | Wed 17 | |||||||||||||||||||||
| Sunrise | - | 7:03 | - | - | - | - | - | - | - | 7:05 | - | - | - | - | - | - | - | 7:05 | - | - | - | - | - | - |
| Sunset | - | - | - | 5:10 | - | - | - | - | - | - | - | 5:10 | - | - | - | - | - | - | - | 5:12 | - | - | - | - |
 |  | | | | | | | | | | | | | | | | | | | | | | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 13 | 12 | 12 | 12 | 11 | 9 | 9 | 8 | 8 | 9 | 11 | 13 | 12 | 11 | 10 | 10 | 9 | 9 | 12 | 13 | 13 | 12 | 12 | 12 |
| Feels °C (?) | 7 | 7 | 5 | 5 | 6 | 4 | 4 | 2 | 2 | 4 | 7 | 10 | 10 | 9 | 7 | 7 | 6 | 6 | 9 | 10 | 12 | 9 | 9 | 10 |
- Map Icons:
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Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
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