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:
Hanamizu River surfForecast / Kanagawa / Japan
48hr Weather and Surf, issued 8 am Thursday 11 Dec 2025 JSTForecast update in hr min s Forecast update imminent
Hanamizu River surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Hanamizu River sea temperature is
18.9° C
(Which is slightly cooler than normal)How big are the waves at Hanamizu River today?
The current surf forecast for Hanamizu River at 3PM is: 0.9m 4s primary swell from a Southwest direction and 0.2m 11s secondary swell from a East-southeast direction (forecast issued at 08:00am December 11). The wind direction is predicted to be cross-shore.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (11 Dec) | 0.5ft (0.2m) | 11s |
| Afternoon (11 Dec) | 3ft (0.9m) | 4s |
| Evening (11 Dec) | 6ft (1.8m) | 6s |
Table - waves today at Hanamizu River. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Thursday 11 | Friday 12 | Saturday 13 | Sun 14 | |||||||||||||||||||||
| 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) (?) | 11 | 11 | 11 | 4 | 5 | 6 | 6 | 7 | 7 | 8 | 8 | 11 | 11 | 10 | 12 | 11 | 11 | 11 | 11 | 11 | 11 | 6 | 6 | 6 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 11 | 11 | 11 | 24 | 102 | 215 | 284 | 135 | 43 | 14 | 6 | 2 | 2 | 2 | 3 | 3 | 2 | 2 | 2 | 2 | 2 | 4 | 11 | 19 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | glass | glass | cross | cross | cross- off | cross- off | cross- off | cross | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross | glass | cross | cross | on | cross- on | cross | cross- off | cross- off | cross- off |
High Tide / height (m) | 10:04AM 1.28 | 8:41PM 1.15 | 10:45AM 1.28 | 10:26PM 1.04 | 11:25AM 1.29 | 12:34AM 1.02 | ||||||||||||||||||
Low Tide / height (m) | 3:44PM 0.92 | 3:32AM 0.55 | 5:13PM 0.82 | 4:25AM 0.71 | 6:29PM 0.69 | |||||||||||||||||||
Thursday 11 | Friday 12 | Saturday 13 | Sun 14 | |||||||||||||||||||||
| Sunrise | - | 6:39 | - | - | - | - | - | - | - | 6:41 | - | - | - | - | - | - | - | 6:41 | - | - | - | - | - | - |
| Sunset | - | - | - | 4:30 | - | - | - | - | - | - | - | 4:30 | - | - | - | - | - | - | - | 4:30 | - | - | - | - |
 |  |  | |  | | | |  | |  | |  | | | | | | | | | | | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | 1 | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 9 | 11 | 14 | 15 | 14 | 14 | 13 | 12 | 10 | 9 | 9 | 8 | 8 | 7 | 6 | 5 | 5 | 5 | 6 | 6 | 6 | 6 | 7 | 7 |
| Feels °C (?) | 6 | 8 | 8 | 8 | 6 | 4 | 4 | 9 | 5 | 5 | 5 | 5 | 5 | 3 | 3 | 2 | 1 | 2 | 2 | 3 | 3 | 1 | 2 | 2 |
- 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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