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:
Suruga Bay surfForecast / Shizuoka / Japan
48hr Weather and Surf, issued 8 am Wednesday 17 Dec 2025 JSTForecast update in hr min s Forecast update imminent
Suruga Bay surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Suruga Bay sea temperature is
18.2° C
(Which is 1.6°C colder than average for this time of year)How big are the waves at Suruga Bay today?
The current surf forecast for Suruga Bay at 2PM is: 0.1m 11s primary swell from a East direction and 0.1m 7s secondary swell from a South direction (forecast issued at 08:00am December 17). An open ocean swell of 0.7m 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) | 0.5ft (0.1m) | 8s |
| Afternoon (17 Dec) | 0.5ft (0.1m) | 11s |
| Evening (17 Dec) | 1.5ft (0.5m) | 5s |
Table - waves today at Suruga Bay. (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) (?) | 13 | 12 | 8 | 11 | 11 | 5 | 11 | 6 | 6 | 6 | 5 | 6 | 6 | 6 | 6 | 5 | 10 | 10 | 5 | 5 | 5 | 5 | 5 | 6 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 4 | 3 | 2 | 2 | 2 | 10 | 2 | 51 | 46 | 23 | 22 | 10 | 6 | 6 | 4 | 9 | 4 | 4 | 15 | 17 | 12 | 5 | 5 | 80 |
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 | off | cross- off | glass | cross | glass | glass | glass | cross- off | cross- off | cross- off | cross- off | cross- on | glass | glass | cross | cross | cross |
High Tide / height (m) | 4:28AM 1.34 | 3:02PM 1.51 | 5:09AM 1.39 | 3:36PM 1.53 | 5:45AM 1.43 | 4:10PM 1.56 | ||||||||||||||||||
Low Tide / height (m) | 9:28AM 0.99 | 10:16PM 0.22 | 10:11AM 1.02 | 10:50PM 0.15 | 10:49AM 1.02 | 11:23PM 0.10 | ||||||||||||||||||
Wednesday 17 | Thursday 18 | Friday 19 | Sat 20 | |||||||||||||||||||||
| Sunrise | - | 6:47 | - | - | - | - | - | - | - | 6:48 | - | - | - | - | - | - | - | 6:48 | - | - | - | - | - | - |
| Sunset | - | - | - | 4:37 | - | - | - | - | - | - | - | 4:37 | - | - | - | - | - | - | - | 4:37 | - | - | - | - |
 |  | | |  |  | | | |  |  | | | | | | | | | | | | |  | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | 1 |
| Temp. °C | 8 | 9 | 13 | 13 | 13 | 12 | 11 | 10 | 9 | 11 | 12 | 13 | 13 | 12 | 12 | 11 | 11 | 11 | 13 | 13 | 13 | 13 | 13 | 14 |
| Feels °C (?) | 3 | 4 | 7 | 8 | 9 | 7 | 4 | 6 | 6 | 9 | 9 | 11 | 11 | 10 | 10 | 9 | 8 | 8 | 11 | 11 | 12 | 12 | 12 | 13 |
- 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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