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:
Okuragahama surfForecast / Kyu Shu / Japan
48hr Weather and Surf, issued 2 am Monday 15 Dec 2025 JSTForecast update in hr min s Forecast update imminent
Okuragahama surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Okuragahama sea temperature is
20.6° C
(Which is slightly cooler than normal)How big are the waves at Okuragahama today?
The current surf forecast for Okuragahama at 9AM is: 0.5m 11s primary swell from a East direction (forecast issued at 02:00am December 15). An open ocean swell of 0.3m 4s is not directed at the surf break, a second open ocean swell of 0.7m 4s is not directed at the surf break. The wind direction is predicted to be offshore.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (15 Dec) | 1.5ft (0.5m) | 11s |
| Afternoon (15 Dec) | 2.5ft (0.7m) | 10s |
| Evening (15 Dec) | 2ft (0.6m) | 10s |
Table - waves today at Okuragahama. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Monday 15 | Tuesday 16 | Wednesday 17 | ||||||||||||||||||||||
| 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) (?) | 11 | 11 | 11 | 11 | 10 | 10 | 10 | 10 | 10 | 10 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 8 | 8 | 8 | 8 | 8 | 9 | 9 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 39 | 39 | 39 | 57 | 104 | 102 | 102 | 75 | 74 | 72 | 50 | 50 | 49 | 50 | 47 | 44 | 42 | 28 | 28 | 28 | 28 | 28 | 30 | 30 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | off | off | off | off | glass | on | glass | off | off | off | off | off | glass | cross- on | glass | off | off | off | off | glass | cross- on | cross- on | cross- off | off |
High Tide / height (m) | 3:29AM 1.25 | 2:48PM 1.43 | 4:27AM 1.34 | 3:27PM 1.46 | 5:12AM 1.44 | 4:03PM 1.50 | ||||||||||||||||||
Low Tide / height (m) | 9:06PM 0.52 | 8:47AM 0.80 | 9:49PM 0.39 | 9:43AM 0.83 | 10:26PM 0.28 | 10:30AM 0.84 | ||||||||||||||||||
Monday 15 | Tuesday 16 | Wednesday 17 | ||||||||||||||||||||||
| Sunrise | - | - | - | 7:05 | - | - | - | - | - | - | - | 7:07 | - | - | - | - | - | - | - | 7:07 | - | - | - | - |
| Sunset | - | - | - | - | - | 5:08 | - | - | - | - | - | - | - | 5:08 | - | - | - | - | - | - | - | 5:09 | - | - |
 | | |  | | | | | | | | | | | | | | | | | | |  |  | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | 1 |
| Temp. °C | 7 | 7 | 6 | 8 | 10 | 11 | 10 | 8 | 7 | 6 | 6 | 8 | 11 | 12 | 11 | 9 | 9 | 9 | 9 | 11 | 15 | 15 | 14 | 12 |
| Feels °C (?) | 2 | 2 | 2 | 4 | 8 | 7 | 8 | 5 | 4 | 3 | 2 | 5 | 8 | 9 | 9 | 6 | 6 | 6 | 6 | 9 | 12 | 12 | 11 | 11 |
- 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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