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:
Hayama surfForecast / Kanagawa / Japan
48hr Weather and Surf, issued 2 pm Thursday 11 Dec 2025 JSTForecast update in hr min s Forecast update imminent
Hayama surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Hayama sea temperature is
18.8° C
(Which is slightly cooler than normal)How big are the waves at Hayama today?
The current surf forecast for Hayama at 8PM is: 1.8m 6s primary swell from a Southwest direction and 0.1m 11s secondary swell from a Southeast direction (forecast issued at 02:00pm December 11). An open ocean swell of 0.2m 12s is not directed at the surf break. The wind direction is predicted to be cross-onshore.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (11 Dec) | - | - |
| Afternoon (11 Dec) | 3ft (0.9m) | 4s |
| Evening (11 Dec) | 6ft (1.9m) | 6s |
Table - waves today at Hayama. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Thursday 11 | Friday 12 | Saturday 13 | Sunday 14 | |||||||||||||||||||||
| 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 | 6 AM | 9 AM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 11 | 4 | 5 | 6 | 6 | 7 | 7 | 7 | 7 | 7 | 7 | 5 | 5 | 8 | 7 | 7 | 7 | 7 | 7 | 6 | 6 | 6 | 6 | 7 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 0 | 21 | 98 | 233 | 278 | 111 | 29 | 13 | 5 | 5 | 1 | 1 | 1 | 2 | 2 | 2 | 2 | 2 | 7 | 6 | 10 | 10 | 9 | 17 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | on | cross- on | cross- on | cross- on | cross- on | off | off | off | off | off | off | off | off | off | off | off | off | cross- off | cross- off | off | off | off | off | off |
High Tide / height (m) | 9:39AM 1.29 | 8:05PM 1.22 | 10:26AM 1.27 | 9:28PM 1.12 | 11:14AM 1.26 | 11:18PM 1.07 | ||||||||||||||||||
Low Tide / height (m) | 3:01PM 0.93 | 3:12AM 0.41 | 4:20PM 0.86 | 4:10AM 0.55 | 5:42PM 0.75 | 5:18AM 0.67 | ||||||||||||||||||
Thursday 11 | Friday 12 | Saturday 13 | Sunday 14 | |||||||||||||||||||||
| Sunrise | - | - | - | - | - | - | - | 6:39 | - | - | - | - | - | - | - | 6:39 | - | - | - | - | - | - | - | 6:41 |
| Sunset | - | 4:29 | - | - | - | - | - | - | - | 4:29 | - | - | - | - | - | - | - | 4:29 | - | - | - | - | - | - |
 |  |  | | | |  | |  | | | | |  | | | | |  | |  | | |  | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | 1 | 1 | 1 | - | 2 | 1 |
| Temp. °C | 13 | 15 | 15 | 15 | 15 | 11 | 8 | 7 | 9 | 9 | 7 | 6 | 5 | 5 | 5 | 5 | 5 | 6 | 6 | 6 | 6 | 6 | 6 | 7 |
| Feels °C (?) | 8 | 5 | 5 | 3 | 3 | 2 | -5 | -4 | -1 | -1 | -2 | -3 | -3 | -2 | -1 | -1 | 1 | 1 | 1 | -1 | -2 | -3 | -1 | 1 |
- Map Icons:
Break
Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
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