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 am Sunday 14 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
18.6° C
(Which is slightly cooler than normal)How big are the waves at Hayama today?
The current surf forecast for Hayama at 9AM is: 0.6m 7s primary swell from a South-southeast direction (forecast issued at 02:00am December 14). An open ocean swell of 0.2m 11s is not directed at the surf break, a second open ocean swell of 0.5m 3s is not directed at the surf break. The wind direction is predicted to be offshore.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (14 Dec) | 2ft (0.6m) | 7s |
| Afternoon (14 Dec) | 6ft (1.9m) | 10s |
| Evening (14 Dec) | 6ft (1.9m) | 9s |
Table - waves today at Hayama. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Sunday 14 | Monday 15 | Tuesday 16 | ||||||||||||||||||||||
| 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 | 6 PM | 9 PM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    | |||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 6 | 6 | 6 | 7 | 8 | 10 | 8 | 9 | 8 | 9 | 9 | 10 | 9 | 9 | 9 | 9 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 2 | 10 | 20 | 31 | 98 | 664 | 623 | 565 | 284 | 727 | 125 | 55 | 35 | 22 | 21 | 19 | 11 | 11 | 14 | 11 | 7 | 6 | 6 | 6 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | off | off | off | off | off | on | cross | cross- on | cross- on | cross- on | cross- off | cross- off | glass | cross- off | off | off | off | off | off | off | off | glass | glass | glass |
High Tide / height (m) | 11:18PM 1.07 | 12:01PM 1.27 | 1:08AM 1.09 | 12:45PM 1.30 | 2:31AM 1.17 | 1:26PM 1.34 | ||||||||||||||||||
Low Tide / height (m) | 5:18AM 0.67 | 6:52PM 0.61 | 6:31AM 0.77 | 7:48PM 0.45 | 7:38AM 0.84 | 8:35PM 0.30 | ||||||||||||||||||
Sunday 14 | Monday 15 | Tuesday 16 | ||||||||||||||||||||||
| Sunrise | - | - | - | 6:41 | - | - | - | - | - | - | - | 6:41 | - | - | - | - | - | - | - | 6:41 | - | - | - | - |
| Sunset | - | - | - | - | - | 4:30 | - | - | - | - | - | - | - | 4:30 | - | - | - | - | - | - | - | 4:30 | - | - |
 |  |  |  | |  |  | | | | | | | |  | | | | | | | | | | |
Rain (mm) | 2 | - | 6 | 15 | 20 | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 5 | 6 | 5 | 7 | 9 | 12 | 13 | 13 | 12 | 12 | 11 | 11 | 12 | 13 | 12 | 10 | 9 | 8 | 8 | 8 | 9 | 10 | 10 | 11 |
| Feels °C (?) | -2 | -3 | -2 | -2 | 3 | 8 | 6 | 4 | 4 | 5 | 6 | 6 | 9 | 9 | 4 | 4 | 3 | 1 | 1 | 2 | 5 | 7 | 8 | 10 |
- 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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