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:
Chikura surfForecast / Chiba / Japan
48hr Weather and Surf, issued 2 pm Sunday 14 Dec 2025 JSTForecast update in hr min s Forecast update imminent
Chikura surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Chikura sea temperature is
20.3° C
(Which is slightly warmer than usual)How big are the waves at Chikura today?
The current surf forecast for Chikura at 7PM is: 4.0m 9s primary swell from a Southwest direction and 2.5m 11s secondary swell from a South-southeast direction (forecast issued at 02:00pm December 14). An open ocean swell of 0.2m 14s 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) | - | - |
| Afternoon (14 Dec) | 11ft (3.5m) | 10s |
| Evening (14 Dec) | 15ft (4.5m) | 9s |
Table - waves today at Chikura. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Sunday 14 | Monday 15 | Tuesday 16 | Wednesday 17 | |||||||||||||||||||||
| 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 | 6 AM | 9 AM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 10 | 10 | 11 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 6 | 7 | 7 | 7 | 7 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 1874 | 2621 | 1958 | 3402 | 3124 | 2354 | 1872 | 800 | 497 | 293 | 222 | 179 | 100 | 74 | 45 | 35 | 34 | 24 | 23 | 80 | 243 | 271 | 217 | 442 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross | cross | cross | cross | cross- off | cross- off | cross- off | off | glass | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off |
High Tide / height (m) | 11:54AM 1.21 | 12:42AM 1.04 | 12:36PM 1.24 | 2:18AM 1.09 | 1:16PM 1.28 | 3:29AM 1.17 | ||||||||||||||||||
Low Tide / height (m) | 6:37PM 0.65 | 6:13AM 0.74 | 7:39PM 0.49 | 7:20AM 0.82 | 8:29PM 0.34 | 8:20AM 0.89 | ||||||||||||||||||
Sunday 14 | Monday 15 | Tuesday 16 | Wednesday 17 | |||||||||||||||||||||
| Sunrise | - | - | - | - | - | - | - | 6:39 | - | - | - | - | - | - | - | 6:39 | - | - | - | - | - | - | - | 6:41 |
| Sunset | - | 4:29 | - | - | - | - | - | - | - | 4:29 | - | - | - | - | - | - | - | 4:30 | - | - | - | - | - | - |
 |  |  | | | | |  | | | |  | |  | | |  | | | | | | | | |
Rain (mm) | 16 | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 10 | 12 | 13 | 13 | 12 | 11 | 10 | 11 | 12 | 12 | 12 | 10 | 10 | 8 | 8 | 8 | 9 | 11 | 11 | 11 | 10 | 10 | 10 | 10 |
| Feels °C (?) | 5 | 8 | 2 | 3 | 2 | 3 | 5 | 7 | 8 | 8 | 7 | 4 | 4 | 2 | 2 | 3 | 5 | 9 | 8 | 8 | 6 | 7 | 7 | 7 |
- Map Icons:
Break
Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
Latest Updates
Buy Less, Surf More This Black Friday
Surf-forecast is providing a free, all-access pass to our premium features and 12-day forecasts all weekend.
Quiksilver Teams Up With PrimaLoft® For World’s First Thermal Layering System for a Wetsuit.
Previously used in our snow jackets for mountain conditions, PrimaLoft® technology is making its debut in the surf industry. The aim is to bring mountain-grade warmth to the waves.
Vancouver Island’s Day Of Days With Reed Platenius
Surf-Forecast recently helped the 21-year-old Canadian pro surfer and adventurer score some cold water perfection at home.
Read more
Discover more articles and updates in the Greenroom.
FREE! Surf-Forecast.com widget for your website
The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our Chikura surf forecast. Simply grab the html code snippet that we provide and paste it into your own site. You can choose your preferred language and metric/imperial units for the surf forecast feed to suit users of your site. Click here to get the code.
Nearest