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Wada Rivermouth surfForecast / Chiba / Japan
12 Day Weather and Surf, issued 2 pm Friday 19 Sep 2025 JST
Best Forecast Surf Conditions for Wada Rivermouth this week:
The most powerful waves expected at Wada Rivermouth in the next 12 days are 1.1m 6s and forecast to arrive on Sunday (Sep 21) at 12PM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.8m 6s period and expected on Sunday (Sep 21) at 12PM.
| Wave Type | Time (JST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | - | - |
| Best Surf | - | - |
| Most Powerful | 12PM (Sun 21st Sep) | 3.5ft (1.1m) 6s |
Table - best surf conditions forecast for Wada Rivermouth over the next 12 days.
Short Range Forecast Light rain (total 3mm), mostly falling on Sat afternoon. Warm (max 28°C on Sun morning, min 21°C on Sun night). Winds increasing (light winds from the ESE on Sat morning, fresh winds from the SW by Sat night). | Days 3-6 Weather Summary Mostly dry. Warm (max 25°C on Thu morning, min 20°C on Mon night). Wind will be generally light. | ||||||||||||||||||||||
Fri 19 | Saturday 20 | Sunday 21 | Monday 22 | Tuesday 23 | Wednesday 24 | Thursday 25 | |||||||||||||||||
| PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | |||
Rating (10 max) | |||||||||||||||||||||||
Swell Height Map |  |  |  |  |  |  |  |  | |||||||||||||||
| Wave Height (m) & direction (?) | |||||||||||||||||||||||
| Period(s) (?) | 3 | 5 | 5 | 5 | 3 | 5 | 6 | 6 | 3 | 3 | 3 | 3 | 2 | 3 | 2 | 13 | 13 | 13 | 3 | 12 | 12 | ||
Wave (?)Graph  | |||||||||||||||||||||||
 kJ (?) | 1 | 2 | 0 | 0 | 8 | 53 | 0 | 0 | 4 | 3 | 3 | 3 | 1 | 2 | 1 | 0 | 0 | 0 | 3 | 0 | 0 | ||
Wind (km/h) | |||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross | cross- on | cross- on | on | cross | cross- off | cross | cross | cross | cross | cross | cross | cross- on | cross- on | cross- on | cross- on | on | cross- on | cross | cross- off | cross | ||
High Tide / height (m) | 3:02AM 1.33 | 4:15PM 1.33 | 3:47AM 1.38 | 4:30PM 1.36 | 4:26AM 1.41 | 4:46PM 1.39 | 5:03AM 1.41 | 5:02PM 1.40 | 5:39AM 1.39 | 5:18PM 1.41 | 6:14AM 1.34 | 5:35PM 1.41 | 6:50AM 1.26 | ||||||||||
Low Tide / height (m) | 9:29PM 0.77 | 9:42AM 0.30 | 9:57PM 0.63 | 10:12AM 0.34 | 10:24PM 0.50 | 10:39AM 0.40 | 10:52PM 0.40 | 11:04AM 0.48 | 11:20PM 0.32 | 11:27AM 0.57 | 11:48PM 0.27 | 11:48AM 0.67 | 12:18AM 0.26 | ||||||||||
Fri 19 | Saturday 20 | Sunday 21 | Monday 22 | Tuesday 23 | Wednesday 24 | Thursday 25 | |||||||||||||||||
| Sunrise | - | - | 5:24 | - | - | 5:26 | - | - | 5:26 | - | - | 5:28 | - | - | 5:28 | - | - | 5:28 | - | - | 5:30 | ||
| Sunset | 5:42 | - | - | 5:40 | - | - | 5:38 | - | - | 5:37 | - | - | 5:36 | - | - | 5:35 | - | - | 5:34 | - | - | ||
 |  |  |  |  | | |  | | | | | | | | | | | |  |  | |||
Rain (mm) | - | - | - | 1 | 1 | - | - | 1 | - | - | - | - | - | - | - | - | - | - | - | 1 | 1 | ||
| Temp. °C | 24 | 24 | 26 | 26 | 26 | 28 | 26 | 24 | 24 | 23 | 22 | 24 | 24 | 24 | 24 | 24 | 24 | 25 | 25 | 24 | 23 | ||
| Feels °C (?) | 23 | 24 | 28 | 28 | 27 | 28 | 24 | 21 | 20 | 19 | 19 | 21 | 21 | 22 | 22 | 22 | 24 | 24 | 24 | 26 | 25 | ||
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Live Wave Height (m)
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Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
Recent Eyeball Surf Reports for Chiba
Still cross-shore at Wada Rivermouth (light winds from the ENE at Tateyama 11 km from Wada Rivermouth). A 0.6m local chop from the NE
1 h 30 min ago
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 Wada Rivermouth 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 Wada Rivermouth Surf forecast
The above surf forecast table for Wada Rivermouth provides essential information for determining whether the surfing conditions will be good over the next 12 days. A general guide to surfing at Wada Rivermouth can be found by selecting the local surf guide option on the grey menu. Our Wada Rivermouth 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 (Wada Rivermouth) 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 Wada Rivermouth 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.
Wada Rivermouth is 11 km (7 miles) from 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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