Using Surf-Forecast’s Historical Surf Data To Find The Most Consistent Waves On Earth
Using our statistical data for 7000 spots dating back to 2006, we can find those waves that break the most, with the best winds.
- Forecast
- Maps
- Live
- Weather State
- Spot Information
Surf Forecasts:
Uchizuma surfForecast / Shikoku / Japan
12 Day Weather and Surf, issued 8 pm Sunday 28 Dec 2025 JSTForecast update in hr min s Forecast update imminent
Uchizuma surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Uchizuma sea temperature is
19.7° C
(Which is slightly warmer than usual)Best Forecast Surf Conditions for Uchizuma this week:
The surf forecast for Uchizuma over the next 12 days: The first swell (rated 1 star or higher) is forecast to arrive on Sunday (Jan 04) at 3PM. The primary swell is predicted to be 1.0m and 5s period with a secondary swell of 0.4m and 5s. Another secondary swell of 0.1m and 10s is also forecast. The wind is predicted to be glassy as the swell arrives.
The most powerful waves expected at Uchizuma in the next 12 days are 1.0m 5s and forecast to arrive on Sunday (Jan 04) at 3PM. Winds are predicted to be glassy at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.3m 6s period and expected on Saturday (Jan 03) at 12PM.
| Wave Type | Time (JST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 3PM (Sun 4th Jan) | 3.5ft (1.0m) 5s |
| Best Surf | 3PM (Sun 4th Jan) | 3.5ft (1.0m) 5s |
| Most Powerful | 3PM (Sun 4th Jan) | 3.5ft (1.0m) 5s |
Table - best surf conditions forecast for Uchizuma over the next 12 days.
Updates in hr min s Forecast update imminent
Short Range Forecast Mostly dry. Very mild (max 14°C on Tue morning, min 6°C on Sun night). Wind will be generally light. | Days 3-6 Weather Summary Mostly dry. Very mild (max 10°C on Thu afternoon, min 1°C on Thu night). Wind will be generally light. | |||||||||||||||||||||
Monday 29 | Tuesday 30 | Wednesday 31 | Thursday 01 | Friday 02 | Saturday 03 | Sun 04 | ||||||||||||||||
| Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | ||
Rating (10 max) | ||||||||||||||||||||||
Swell Height Map |  |  |  |  |  |  |  |  | ||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||
| Period(s) (?) | 14 | 13 | 7 | 7 | 7 | 5 | 4 | 7 | 10 | 10 | 10 | 7 | 8 | 8 | 8 | 15 | 10 | 9 | 9 | 9 | 5 | |
Wave (?)Graph  | ||||||||||||||||||||||
 kJ (?) | 36 | 34 | 9 | 8 | 5 | 7 | 3 | 2 | 2 | 2 | 3 | 2 | 6 | 6 | 10 | 4 | 4 | 9 | 3 | 3 | 51 | |
Wind (km/h) | ||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | off | glass | cross- on | cross- off | cross- off | cross | off | off | cross- off | off | off | glass | off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | glass | glass | |
High Tide / height (m) | 12:26AM 1.33 | 12:29PM 1.58 | 2:13AM 1.38 | 1:26PM 1.60 | 3:41AM 1.50 | 2:26PM 1.64 | 4:46AM 1.62 | 3:24PM 1.70 | 5:39AM 1.72 | 4:18PM 1.78 | 6:26AM 1.78 | 5:09PM 1.84 | 7:08AM 1.80 | 5:58PM 1.87 | ||||||||
Low Tide / height (m) | 6:03AM 0.85 | 7:31PM 0.55 | 7:26AM 0.98 | 8:39PM 0.37 | 8:50AM 1.05 | 9:39PM 0.20 | 9:59AM 1.06 | 10:33PM 0.04 | 10:56AM 1.04 | 11:24PM -0.07 | 11:44AM 1.00 | 12:11AM -0.12 | 12:28PM 0.95 | |||||||||
Monday 29 | Tuesday 30 | Wednesday 31 | Thursday 01 | Friday 02 | Saturday 03 | Sun 04 | ||||||||||||||||
| Sunrise | - | 7:05 | - | - | 7:05 | - | - | 7:05 | - | - | 7:05 | - | - | 7:07 | - | - | 7:07 | - | - | 7:07 | - | |
| Sunset | - | - | 5:01 | - | - | 5:01 | - | - | 5:02 | - | - | 5:04 | - | - | 5:05 | - | - | 5:06 | - | - | 5:06 | |
 |  | |  |  |  | | | | | | | | | | | | | | | | ||
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | |
| Temp. °C | 7 | 12 | 13 | 11 | 14 | 14 | 10 | 10 | 10 | 6 | 9 | 10 | 5 | 3 | 4 | 3 | 7 | 8 | 3 | 10 | 10 | |
| Feels °C (?) | 4 | 9 | 9 | 8 | 12 | 12 | 8 | 7 | 7 | 2 | 6 | 7 | 1 | -3 | -4 | -2 | 2 | 4 | -1 | 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
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.
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.
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 Uchizuma 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.
false
Information about the Uchizuma Surf forecast
The above surf forecast table for Uchizuma provides essential information for determining whether the surfing conditions will be good over the next 12 days. A general guide to surfing at Uchizuma can be found by selecting the local surf guide option on the grey menu. Our Uchizuma surf forecast is unique since it includes wave energy (power) that defines the real feel of the surf rather than just the height or the period. If you surf the same spot (Uchizuma) regularly then make a mental note of the wave energy from the surf forecast table each time you go. Very soon you may start to choose your surf days based on the wave energy alone combined with our forecast of favourable offshore wind conditions. Our star ratings will help here and of course you will also find the usual wave height and period predictions on our surf forecasts as well as a full break down of the swell components under our advanced users option (to reveal that, click the little Einstein character under the tide times).
Further information to help with frequently asked questions about our surf forecast for Uchizuma may be found under the help tab on the top menu and also by moving your mouse over the question marks on the surf forecast table itself. Please always bear in mind that the forecast is for near-shore open water and local factors at each surf break influence the actual breaking wave height, such as the beach / reef profile, water depths offshore and shelter.
Are you planning a holiday in Shikoku? If you are looking for accommodation near Uchizuma, camping, hotels and holiday cottages in Shikoku, consider staying in Anan which is 40 km (25 miles) away. Other places in and around Shikoku where you can find information about places to rent, and car hire include Muroto which is 45 km (28 miles) away, Komatsushima, Aki and Kamojima.
Nearest