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 8 am Wednesday 17 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
20.3° C
(Which is slightly cooler than normal)How big are the waves at Okuragahama today?
The current surf forecast for Okuragahama at 3PM is: 0.4m 8s primary swell from a East-southeast direction and 0.1m 13s secondary swell from a East direction, 0.5m 3s secondary swell from a South-southwest direction (forecast issued at 08:00am December 17). The wind direction is predicted to be cross-offshore.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (17 Dec) | 1.5ft (0.4m) | 8s |
| Afternoon (17 Dec) | 1.5ft (0.4m) | 8s |
| Evening (17 Dec) | 1.5ft (0.4m) | 9s |
Table - waves today at Okuragahama. (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) (?) | 8 | 8 | 8 | 8 | 9 | 9 | 9 | 9 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 9 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 28 | 28 | 28 | 28 | 30 | 30 | 31 | 15 | 11 | 20 | 20 | 19 | 31 | 31 | 31 | 31 | 32 | 32 | 32 | 38 | 32 | 38 | 38 | 35 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- off | cross- off | cross | cross- off | cross- off | off | off | cross- off | off | off | cross- off | cross | cross- off | cross- off | off | off | off | off | glass | glass | glass | glass | off | off |
High Tide / height (m) | 5:12AM 1.44 | 4:03PM 1.50 | 5:51AM 1.52 | 4:38PM 1.54 | 6:27AM 1.57 | 5:13PM 1.58 | ||||||||||||||||||
Low Tide / height (m) | 10:30AM 0.84 | 11:02PM 0.18 | 11:12AM 0.84 | 11:37PM 0.10 | 11:50AM 0.83 | 12:11AM 0.05 | ||||||||||||||||||
Wednesday 17 | Thursday 18 | Friday 19 | Sat 20 | |||||||||||||||||||||
| Sunrise | - | 7:07 | - | - | - | - | - | - | - | 7:07 | - | - | - | - | - | - | - | 7:09 | - | - | - | - | - | - |
| Sunset | - | - | - | 5:09 | - | - | - | - | - | - | - | 5:09 | - | - | - | - | - | - | - | 5:09 | - | - | - | - |
 |  |  |  | | |  | | | | | | | | | |  | | | | | |  | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | 1 | - |
| Temp. °C | 10 | 12 | 16 | 17 | 14 | 12 | 10 | 9 | 8 | 10 | 13 | 14 | 12 | 10 | 9 | 9 | 11 | 13 | 15 | 16 | 15 | 14 | 14 | 14 |
| Feels °C (?) | 8 | 9 | 12 | 15 | 12 | 8 | 6 | 5 | 5 | 7 | 10 | 11 | 10 | 7 | 6 | 6 | 8 | 11 | 14 | 15 | 14 | 14 | 13 | 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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