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Uchiboso surfForecast / Chiba / Japan
12 Day Weather and Surf, issued 8 am Thursday 20 Mar 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 Thursday (Mar 20) at 12PM. The primary swell is predicted to be 1.2m and 7s period with a secondary swell of 0.7m and 8s. The wind is predicted to be cross-offshore as the swell arrives.
The most powerful waves expected at Uchiboso in the next 12 days are 2.5m 8s and forecast to arrive on Saturday (Mar 22) at 3PM. Winds are predicted to be onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.2m 10s period and expected on Thursday (Mar 20) at 12PM.
| Wave Type | Time (JST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 12PM (Thu 20th Mar) | 4ft (1.2m) 7s |
| Best Surf | 12PM (Thu 20th Mar) | 4ft (1.2m) 7s |
| Most Powerful | 3PM (Sat 22nd Mar) | 8ft (2.5m) 8s |
Table - best surf conditions forecast for Uchiboso over the next 12 days.
Thursday 20 | Friday 21 | Saturday 22 | Sunday 23 | Monday 24 | Tuesday 25 | Wednesday 26 | Thursday 27 | Friday 28 | Saturday 29 | Sunday 30 | Monday 31 | |||||||||||||||||||||||||
| AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | 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) (?) | 9 | 7 | 6 | 6 | 7 | 7 | 7 | 8 | 8 | 7 | 7 | 7 | 8 | 8 | 5 | 6 | 6 | 6 | 7 | 6 | 7 | 7 | 7 | 10 | 10 | 9 | 9 | 8 | 8 | 8 | 7 | 6 | 7 | 8 | 8 | 8 |
Wave (?)Graph  | ||||||||||||||||||||||||||||||||||||
| Energy (?) | 59 | 142 | 164 | 114 | 296 | 467 | 645 | 799 | 523 | 494 | 506 | 217 | 96 | 94 | 51 | 56 | 120 | 187 | 312 | 296 | 489 | 204 | 612 | 3770 | 1886 | 1392 | 1320 | 86 | 42 | 20 | 293 | 398 | 558 | 23 | 21 | 35 |
Wind (km/h) | ||||||||||||||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- off | cross | cross- on | glass | on | cross- on | on | on | cross- on | on | on | cross- off | off | cross- on | on | cross- on | cross- on | on | on | on | on | on | on | on | on | on | off | cross- off | cross- off | cross- off | cross- on | cross- off | cross- off | cross- off | cross | cross- on |
High Tide / height (m) | 9:19PM 1.14 | 7:23AM 1.35 | 11:49PM 1.08 | 7:47AM 1.26 | 2:54AM 1.18 | 8:26AM 1.16 | 3:00AM 1.26 | 12:15PM 1.12 | 3:19AM 1.33 | 1:52PM 1.22 | 3:39AM 1.39 | 2:50PM 1.34 | 4:00AM 1.43 | 3:36PM 1.45 | 4:20AM 1.46 | 4:18PM 1.53 | 4:40AM 1.48 | 4:56PM 1.56 | 5:01AM 1.49 | 5:34PM 1.56 | 5:22AM 1.50 | 6:14PM 1.51 | ||||||||||||||
Low Tide / height (m) | 2:13PM 0.26 | 1:37AM 0.95 | 3:14PM 0.33 | 1:44AM 1.07 | 4:48PM 0.39 | 6:44AM 1.15 | 6:37PM 0.38 | 8:28AM 1.03 | 7:53PM 0.31 | 8:55AM 0.89 | 8:44PM 0.25 | 9:21AM 0.73 | 9:25PM 0.22 | 9:48AM 0.58 | 10:01PM 0.23 | 10:16AM 0.43 | 10:33PM 0.27 | 10:44AM 0.30 | 11:03PM 0.35 | 11:14AM 0.19 | 11:32PM 0.45 | 11:45AM 0.13 | 11:59PM 0.57 | |||||||||||||
Thursday 20 | Friday 21 | Saturday 22 | Sunday 23 | Monday 24 | Tuesday 25 | Wednesday 26 | Thursday 27 | Friday 28 | Saturday 29 | Sunday 30 | Monday 31 | |||||||||||||||||||||||||
| Sunrise | 5:45 | - | - | 5:43 | - | - | 5:43 | - | - | 5:41 | - | - | 5:39 | - | - | 5:37 | - | - | 5:37 | - | - | 5:35 | - | - | 5:33 | - | - | 5:33 | - | - | 5:31 | - | - | 5:30 | - | - |
| Sunset | - | 5:51 | - | - | 5:52 | - | - | 5:52 | - | - | 5:53 | - | - | 5:53 | - | - | 5:54 | - | - | 5:55 | - | - | 5:57 | - | - | 5:58 | - | - | 5:58 | - | - | 5:59 | - | - | 6:00 | - |
 | |  | | | | | | | | |  |  | | | |  | | | | | |  |  | | |  | |  | | | | | | | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | 2 | 22 | - | - | 1 | 3 | 6 | - | - | - | - | - | 3 | 5 |
| Temp. °C | 8 | 9 | 10 | 10 | 15 | 15 | 16 | 18 | 17 | 18 | 19 | 15 | 14 | 15 | 16 | 16 | 18 | 18 | 19 | 19 | 18 | 18 | 18 | 19 | 18 | 17 | 13 | 10 | 9 | 11 | 11 | 12 | 11 | 13 | 13 | 13 |
| Feels °C (?) | 4 | 6 | 5 | 6 | 6 | 5 | 7 | 11 | 12 | 10 | 14 | 7 | 12 | 13 | 14 | 14 | 15 | 13 | 14 | 13 | 14 | 11 | 11 | 10 | 11 | 7 | 6 | 4 | 2 | 2 | 4 | 7 | 5 | 8 | 9 | 9 |
Short Range Forecast: Mostly dry. Very mild (max 18°C on Sat afternoon, min 8°C on Thu morning). Winds increasing (calm on Thu night, strong winds from the WSW by Sat morning). | Days 3-6 Weather Summary Mostly dry. Very mild (max 19°C on Sun afternoon, min 13°C on Sun night). Winds decreasing (strong winds from the E on Sun night, light winds from the WNW by Mon afternoon). | Days 6-9 Weather Summary Heavy rain (total 25mm), heaviest during Thu night. Very mild (max 19°C on Wed morning, min 9°C on Fri night). Winds decreasing (gales from the SSW on Thu night, light winds from the NE by Fri night). | Long Range Forecast: Moderate rain (total 17mm), heaviest on Sat afternoon. Very mild (max 14°C on Tue morning, min 7°C on Sat afternoon). Winds decreasing (fresh winds from the WSW on Sat night, calm by Tue morning). | |||||||||||||||||||||||||||||||||
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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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