- Forecast
- Maps
- Live
- Weather State
- Spot Information
Yasuda Rivermouth surfForecast / Shikoku / Japan
12 Day Weather and Surf, issued 8 am Saturday 17 May 2025 JST
Best Forecast Surf Conditions for Yasuda Rivermouth this week:
The surf forecast for Yasuda Rivermouth over the next 12 days: The first swell (rated 1 star or higher) is forecast to arrive on Saturday (May 17) at 9PM. The primary swell is predicted to be 2.4m and 8s period with a secondary swell of 0.3m and 10s. Another secondary swell of 0.3m and 12s is also forecast. The wind is predicted to be onshore as the swell arrives.
The most powerful waves expected at Yasuda Rivermouth in the next 12 days are 2.4m 8s and forecast to arrive on Saturday (May 17) at 9PM. Winds are predicted to be onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.3m 6s period and expected on Friday (May 23) at 3AM.
| Wave Type | Time (JST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 9PM (Sat 17th May) | 8ft (2.4m) 8s |
| Best Surf | 3AM (Sun 18th May) | 7ft (2.1m) 7s |
| Most Powerful | 9PM (Sat 17th May) | 8ft (2.4m) 8s |
Table - best surf conditions forecast for Yasuda Rivermouth over the next 12 days.
Saturday 17 | Sunday 18 | Monday 19 | Tuesday 20 | Wednesday 21 | Thursday 22 | Friday 23 | Saturday 24 | Sunday 25 | Monday 26 | Tuesday 27 | Wednesday 28 | |||||||||||||||||||||||||
| 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) (?) | 7 | 7 | 8 | 7 | 7 | 6 | 6 | 6 | 11 | 11 | 11 | 6 | 7 | 10 | 9 | 6 | 9 | 9 | 10 | 10 | 10 | 10 | 9 | 6 | 7 | 7 | 7 | 9 | 9 | 10 | 10 | 9 | 9 | 9 | 10 | 10 |
Wave (?)Graph  | ||||||||||||||||||||||||||||||||||||
| Energy (?) | 262 | 590 | 531 | 217 | 222 | 72 | 77 | 57 | 57 | 94 | 90 | 99 | 125 | 90 | 49 | 47 | 104 | 34 | 54 | 78 | 163 | 100 | 48 | 178 | 573 | 478 | 111 | 62 | 50 | 72 | 65 | 28 | 15 | 27 | 31 | 47 |
Wind (km/h) | ||||||||||||||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | on | on | on | glass | glass | glass | cross- on | on | cross- on | cross | on | glass | on | on | glass | cross- on | cross | cross- off | glass | cross- on | cross- off | glass | glass | cross- off | cross- on | on | glass | cross- off | glass | glass | cross- on | glass | cross- off | glass | cross- on | cross- off |
High Tide / height (m) | 9:37PM 1.50 | 8:08AM 1.56 | 10:36PM 1.47 | 9:01AM 1.47 | 11:44PM 1.47 | 10:21AM 1.39 | 12:49AM 1.51 | 12:07PM 1.36 | 1:43AM 1.57 | 1:44PM 1.42 | 2:27AM 1.64 | 3:01PM 1.54 | 3:08AM 1.71 | 4:04PM 1.68 | 3:46AM 1.77 | 4:59PM 1.79 | 4:25AM 1.81 | 5:52PM 1.85 | 5:03AM 1.84 | 6:42PM 1.87 | 5:43AM 1.85 | 7:32PM 1.83 | ||||||||||||||
Low Tide / height (m) | 2:34PM 0.31 | 2:44AM 1.07 | 3:22PM 0.38 | 3:45AM 1.11 | 4:20PM 0.46 | 5:14AM 1.09 | 5:31PM 0.53 | 6:47AM 0.99 | 6:46PM 0.58 | 7:58AM 0.81 | 7:56PM 0.62 | 8:51AM 0.60 | 8:57PM 0.65 | 9:38AM 0.37 | 9:52PM 0.69 | 10:22AM 0.17 | 10:42PM 0.75 | 11:06AM 0.01 | 11:28PM 0.81 | 11:51AM -0.08 | 12:13AM 0.88 | 12:36PM -0.11 | 12:56AM 0.95 | |||||||||||||
Saturday 17 | Sunday 18 | Monday 19 | Tuesday 20 | Wednesday 21 | Thursday 22 | Friday 23 | Saturday 24 | Sunday 25 | Monday 26 | Tuesday 27 | Wednesday 28 | |||||||||||||||||||||||||
| Sunrise | 5:03 | - | - | 5:01 | - | - | 5:01 | - | - | 5:01 | - | - | 5:00 | - | - | 5:00 | - | - | 4:58 | - | - | 4:58 | - | - | 4:58 | - | - | 4:56 | - | - | 4:56 | - | - | 4:56 | - | - |
| Sunset | - | 6:58 | - | - | 6:58 | - | - | 6:59 | - | - | 7:00 | - | - | 7:00 | - | - | 7:00 | - | - | 7:01 | - | - | 7:02 | - | - | 7:02 | - | - | 7:04 | - | - | 7:05 | - | - | 7:05 | - |
 |  |  | |  |  | |  |  | | | | |  |  |  | |  | | | | | |  | | | | | | |  | |  | | | | |
Rain (mm) | 15 | 6 | 2 | 2 | - | - | - | - | - | - | - | - | 5 | 12 | 9 | - | - | - | - | - | - | - | - | 9 | 30 | 14 | - | - | - | - | 6 | 13 | 18 | - | - | - |
| Temp. °C | 23 | 23 | 22 | 24 | 23 | 21 | 20 | 21 | 19 | 23 | 23 | 22 | 21 | 21 | 21 | 24 | 25 | 17 | 20 | 20 | 17 | 20 | 20 | 19 | 22 | 22 | 21 | 21 | 21 | 20 | 20 | 19 | 17 | 22 | 22 | 18 |
| Feels °C (?) | 23 | 23 | 24 | 26 | 27 | 24 | 21 | 21 | 20 | 25 | 25 | 25 | 23 | 23 | 24 | 25 | 23 | 15 | 18 | 18 | 16 | 20 | 21 | 19 | 22 | 22 | 24 | 24 | 24 | 23 | 22 | 22 | 17 | 22 | 22 | 19 |
Short Range Forecast: Heavy rain (total 25mm), heaviest during Sat morning. Warm (max 24°C on Sun morning, min 18°C on Mon night). Wind will be generally light. | Days 3-6 Weather Summary Heavy rain (total 26mm), heaviest during Wed afternoon. Warm (max 25°C on Thu afternoon, min 14°C on Thu night). Wind will be generally light. | Days 6-9 Weather Summary Heavy rain (total 53mm), heaviest during Sun morning. Warm (max 22°C on Sun morning, min 15°C on Fri night). Wind will be generally light. | Long Range Forecast: Heavy rain (total 37mm), heaviest during Tue afternoon. Warm (max 22°C on Wed morning, min 17°C on Tue night). Wind will be generally light. | |||||||||||||||||||||||||||||||||
- Map Icons:
Break
Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
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 Yasuda 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 Yasuda Rivermouth Surf forecast
The above surf forecast table for Yasuda Rivermouth provides essential information for determining whether the surfing conditions will be good over the next 12 days. A general guide to surfing at Yasuda Rivermouth can be found by selecting the local surf guide option on the grey menu. Our Yasuda 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 (Yasuda 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 Yasuda 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.
Are you planning a holiday in Shikoku? If you are looking for accommodation near Yasuda Rivermouth, camping, hotels and holiday cottages in Shikoku, consider staying in Aki which is 10 km (6 miles) away. Other places in and around Shikoku where you can find information about places to rent, and car hire include Muroto which is 23 km (14 miles) away, Kochi, Ino and Susaki.
Nearest