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 pm Thursday 11 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 2AM is: 0.6m 10s primary swell from a East direction and 0.3m 4s secondary swell from a South-southwest direction, 0.3m 3s secondary swell from a North direction (forecast issued at 08:00pm December 11). The wind direction is predicted to be cross-offshore.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (12 Dec) | 5ft (1.6m) | 7s |
| Afternoon (12 Dec) | 7ft (2.1m) | 7s |
| Evening (12 Dec) | 7.5ft (2.3m) | 7s |
Table - waves today at Chokusen. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Thu 11 | Friday 12 | Saturday 13 | Sunday 14 | |||||||||||||||||||||
| 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 | 6 AM | 9 AM | 12 PM | 3 PM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |   |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 9 | 9 | 11 | 9 | 10 | 7 | 7 | 7 | 7 | 7 | 8 | 9 | 9 | 8 | 8 | 7 | 6 | 6 | 6 | 7 | 8 | 11 | 11 | 11 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 85 | 59 | 57 | 87 | 94 | 237 | 460 | 403 | 315 | 558 | 517 | 645 | 632 | 439 | 374 | 262 | 206 | 205 | 197 | 320 | 257 | 91 | 114 | 203 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- off | off | cross- off | cross- off | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | on | on | on | cross- on | off | off | cross- off | cross- off | cross- off | cross- off |
High Tide / height (m) | 10:49PM 1.36 | 12:22PM 1.51 | 12:23AM 1.25 | 1:13PM 1.50 | 2:09AM 1.25 | 2:01PM 1.52 | ||||||||||||||||||
Low Tide / height (m) | 5:27PM 0.94 | 5:29AM 0.54 | 6:50PM 0.86 | 6:29AM 0.70 | 8:06PM 0.74 | 7:37AM 0.82 | ||||||||||||||||||
Thu 11 | Friday 12 | Saturday 13 | Sunday 14 | |||||||||||||||||||||
| Sunrise | - | - | - | - | - | 7:03 | - | - | - | - | - | - | - | 7:03 | - | - | - | - | - | - | - | 7:03 | - | - |
| Sunset | - | - | - | - | - | - | - | 5:10 | - | - | - | - | - | - | - | 5:10 | - | - | - | - | - | - | - | 5:10 |
 | | | |  |  | |  | | |  | |  |  |  | | |  |  | | | | | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | 1 | - | 1 | - | - | 4 | 12 | 1 | - | - | - | - |
| Temp. °C | 17 | 16 | 15 | 15 | 14 | 13 | 12 | 12 | 12 | 12 | 11 | 12 | 12 | 14 | 15 | 16 | 16 | 17 | 15 | 15 | 12 | 12 | 12 | 12 |
| Feels °C (?) | 16 | 14 | 13 | 13 | 12 | 7 | 4 | 4 | 5 | 5 | 5 | 7 | 8 | 11 | 11 | 12 | 12 | 14 | 13 | 10 | 6 | 6 | 4 | 5 |
- 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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