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Uchiboso surfForecast / Chiba / Japan
12 Day Weather and Surf, issued 2 am Saturday 01 Nov 2025 JST
Best Forecast Surf Conditions for Uchiboso this week:
The surf forecast for Uchiboso over the next 12 days: The first swell (rated 1 star or higher) is forecast to arrive on Friday (Nov 07) at 6PM. The primary swell is predicted to be 1.0m and 11s period with a secondary swell of 0.1m and 12s. The wind is predicted to be offshore as the swell arrives.
The most powerful waves expected at Uchiboso in the next 12 days are 3.0m 8s and forecast to arrive on Saturday (Nov 01) at 9AM. Winds are predicted to be cross-onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.2m 5s period and expected on Thursday (Nov 06) at 3PM.
| Wave Type | Time (JST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 6PM (Fri 7th Nov) | 3.5ft (1.0m) 11s |
| Best Surf | 6PM (Fri 7th Nov) | 3.5ft (1.0m) 11s |
| Most Powerful | 9AM (Sat 1st Nov) | 10ft (3.0m) 8s |
Table - best surf conditions forecast for Uchiboso over the next 12 days.
Short Range Forecast Mostly dry. Warm (max 20°C on Sat afternoon, min 13°C on Mon night). Winds increasing (light winds from the WSW on Sat morning, near gales from the WSW by Mon morning). | Days 3-6 Weather Summary Some drizzle, heaviest during Wed night. Very mild (max 19°C on Thu afternoon, min 13°C on Tue morning). Winds increasing (light winds from the NE on Tue afternoon, strong winds from the N by Thu night). | ||||||||||||||||||||
Saturday 01 | Sunday 02 | Monday 03 | Tuesday 04 | Wednesday 05 | Thursday 06 | Friday 07 | |||||||||||||||
| AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | |
Rating (10 max) | |||||||||||||||||||||
Swell Height Map |  |  |  |  |  |  |  | ||||||||||||||
| Wave Height (m) & direction (?) | |||||||||||||||||||||
| Period(s) (?) | 8 | 8 | 7 | 7 | 7 | 7 | 7 | 7 | 10 | 9 | 9 | 9 | 9 | 9 | 8 | 9 | 9 | 11 | 11 | 11 | 11 |
Wave (?)Graph  | |||||||||||||||||||||
 kJ (?) | 1165 | 480 | 240 | 155 | 385 | 370 | 332 | 91 | 23 | 13 | 13 | 13 | 13 | 12 | 103 | 232 | 232 | 615 | 427 | 319 | 187 |
Wind (km/h) | |||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- on | cross- on | cross- on | cross- on | on | cross- on | on | cross- off | cross- off | off | off | off | off | off | cross- off | cross- off | off | cross- off | cross- off | off | cross- off |
High Tide / height (m) | 2:14PM 1.49 | 2:20AM 1.42 | 2:40PM 1.53 | 3:11AM 1.52 | 3:04PM 1.57 | 3:56AM 1.60 | 3:29PM 1.61 | 4:38AM 1.65 | 3:53PM 1.64 | 5:18AM 1.66 | 4:18PM 1.66 | 6:00AM 1.63 | 4:44PM 1.66 | ||||||||
Low Tide / height (m) | 8:26PM 0.74 | 8:26AM 0.64 | 8:57PM 0.57 | 9:07AM 0.68 | 9:29PM 0.40 | 9:43AM 0.73 | 10:01PM 0.27 | 10:17AM 0.79 | 10:34PM 0.17 | 10:48AM 0.87 | 11:08PM 0.11 | 11:19AM 0.95 | 11:44PM 0.09 | ||||||||
Saturday 01 | Sunday 02 | Monday 03 | Tuesday 04 | Wednesday 05 | Thursday 06 | Friday 07 | |||||||||||||||
| Sunrise | 6:00 | - | - | 6:01 | - | - | 6:01 | - | - | 6:03 | - | - | 6:03 | - | - | 6:05 | - | - | 6:05 | - | - |
| Sunset | - | 4:46 | - | - | 4:45 | - | - | 4:45 | - | - | 4:44 | - | - | 4:43 | - | - | 4:42 | - | - | 4:40 | - |
 |  |  | | |  |  | | | | | | | |  | | | | | | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | 1 | - | - | - | - | - | - |
| Temp. °C | 19 | 20 | 19 | 19 | 19 | 19 | 18 | 18 | 15 | 15 | 16 | 15 | 16 | 17 | 16 | 18 | 19 | 16 | 18 | 18 | 16 |
| Feels °C (?) | 17 | 19 | 15 | 14 | 11 | 10 | 13 | 8 | 5 | 11 | 13 | 11 | 11 | 12 | 11 | 12 | 13 | 10 | 11 | 11 | 11 |
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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 Uchiboso 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.
Information about the Uchiboso Surf forecast
The above surf forecast table for Uchiboso provides essential information for determining whether the surfing conditions will be good over the next 12 days. A general guide to surfing at Uchiboso can be found by selecting the local surf guide option on the grey menu. Our Uchiboso 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 (Uchiboso) 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 Uchiboso 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.
Uchiboso is 7 km (4 miles) from the city of Tateyama. If you plan a holiday in Chiba, look for hotels and other accommodation in Tateyama. Tateyama has rooms for a wide range of budgets as well as car hire and transport links.
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