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:
Nagai Point surfForecast / Kanagawa / Japan
48hr Weather and Surf, issued 8 am Sunday 14 Dec 2025 JSTForecast update in hr min s Forecast update imminent
Nagai Point surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Nagai Point sea temperature is
18.6° C
(Which is slightly cooler than normal)How big are the waves at Nagai Point today?
The current surf forecast for Nagai Point at 12PM is: 0.7m 7s primary swell from a Southeast direction and 0.1m 4s secondary swell from a Northwest direction (forecast issued at 08:00am December 14). An open ocean swell of 0.4m 3s is not directed at the surf break. The wind direction is predicted to be cross-offshore.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (14 Dec) | 2ft (0.6m) | 7s |
| Afternoon (14 Dec) | 5.5ft (1.7m) | 10s |
| Evening (14 Dec) | 5.5ft (1.7m) | 9s |
Table - waves today at Nagai Point. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Sunday 14 | Monday 15 | Tuesday 16 | Wed 17 | |||||||||||||||||||||
| 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) (?) | 6 | 7 | 7 | 10 | 8 | 9 | 10 | 9 | 10 | 10 | 9 | 9 | 9 | 9 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 7 | 5 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 20 | 31 | 54 | 563 | 1342 | 459 | 194 | 637 | 77 | 52 | 33 | 21 | 20 | 19 | 18 | 11 | 11 | 7 | 6 | 6 | 6 | 6 | 14 | 7 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- off | cross- off | cross- off | cross- on | cross- on | cross- on | cross- on | cross- on | cross- off | cross- off | glass | cross- off | off | off | off | off | cross- off | cross- off | cross- off | cross- on | glass | glass | cross- off | glass |
High Tide / height (m) | 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 | Wed 17 | |||||||||||||||||||||
| Sunrise | - | 6:41 | - | - | - | - | - | - | - | 6:41 | - | - | - | - | - | - | - | 6:41 | - | - | - | - | - | - |
| Sunset | - | - | - | 4:30 | - | - | - | - | - | - | - | 4:30 | - | - | - | - | - | - | - | 4:30 | - | - | - | - |
 |  |  |  |  | | | | |  | | | |  |  | | | | | | | | | | |
Rain (mm) | 5 | 16 | 20 | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 5 | 7 | 8 | 11 | 13 | 13 | 12 | 12 | 10 | 11 | 12 | 12 | 12 | 10 | 9 | 8 | 8 | 8 | 9 | 10 | 11 | 11 | 11 | 10 |
| Feels °C (?) | -2 | -1 | 2 | 8 | 6 | 6 | 4 | 5 | 5 | 6 | 9 | 8 | 5 | 3 | 3 | 1 | 1 | 2 | 5 | 7 | 9 | 9 | 8 | 8 |
- 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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