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:
Cape Toi surfForecast / Kyu Shu / Japan
48hr Weather and Surf, issued 8 am Wednesday 17 Dec 2025 JSTForecast update in hr min s Forecast update imminent
Cape Toi surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Cape Toi sea temperature is
21.3° C
(Which is slightly cooler than normal)How big are the waves at Cape Toi today?
The current surf forecast for Cape Toi at 4PM is: 0.4m 9s primary swell from a East-southeast direction and 0.1m 13s secondary swell from a Northeast direction (forecast issued at 08:00am December 17). An open ocean swell of 0.8m 4s is not directed at the surf break. The wind direction is predicted to be cross-offshore.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (17 Dec) | 1.5ft (0.5m) | 9s |
| Afternoon (17 Dec) | 1.5ft (0.4m) | 9s |
| Evening (17 Dec) | 1.5ft (0.4m) | 9s |
Table - waves today at Cape Toi. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Wednesday 17 | Thursday 18 | Friday 19 | Sat 20 | |||||||||||||||||||||
| 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 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 6 | 6 | 6 | 10 | 9 | 9 | 9 | 9 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 41 | 42 | 30 | 30 | 30 | 31 | 31 | 31 | 51 | 67 | 44 | 30 | 29 | 29 | 29 | 29 | 31 | 37 | 38 | 32 | 32 | 37 | 36 | 36 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | glass | cross | cross- off | cross- off | off | off | off | off | off | cross- off | cross- off | cross- on | cross | cross | cross- off | cross | cross | cross- on | cross- on | cross- on | on | on | cross- on | cross- on |
High Tide / height (m) | 5:03AM 1.69 | 3:57PM 1.75 | 5:41AM 1.77 | 4:33PM 1.79 | 6:17AM 1.82 | 5:08PM 1.83 | ||||||||||||||||||
Low Tide / height (m) | 10:28AM 1.08 | 10:51PM 0.34 | 11:09AM 1.07 | 11:26PM 0.25 | 11:45AM 1.06 | 12:01AM 0.19 | ||||||||||||||||||
Wednesday 17 | Thursday 18 | Friday 19 | Sat 20 | |||||||||||||||||||||
| Sunrise | - | 7:05 | - | - | - | - | - | - | - | 7:07 | - | - | - | - | - | - | - | 7:07 | - | - | - | - | - | - |
| Sunset | - | - | - | 5:13 | - | - | - | - | - | - | - | 5:14 | - | - | - | - | - | - | - | 5:14 | - | - | - | - |
 |  | | |  | | | | | | | | | | | |  |  | | | | | | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 13 | 15 | 17 | 19 | 16 | 13 | 12 | 11 | 11 | 12 | 14 | 14 | 13 | 13 | 13 | 14 | 15 | 16 | 18 | 18 | 18 | 18 | 18 | 18 |
| Feels °C (?) | 11 | 12 | 13 | 13 | 11 | 8 | 6 | 6 | 7 | 9 | 12 | 12 | 11 | 10 | 9 | 11 | 12 | 14 | 14 | 15 | 15 | 15 | 16 | 17 |
- 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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