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Osaki surfForecast / Kanagawa / Japan
12 Day Weather and Surf, issued 2 pm Wednesday 09 Jul 2025 JST
Best Forecast Surf Conditions for Osaki this week:
The surf forecast for Osaki over the next 12 days: The first swell (rated 1 star or higher) is forecast to arrive on Sunday (Jul 13) at 12PM. The primary swell is predicted to be 0.6m and 9s period with a secondary swell of 0.1m and 9s. The wind is predicted to be cross-offshore as the swell arrives.
The most powerful waves expected at Osaki in the next 12 days are 1.0m 10s and forecast to arrive on Wednesday (Jul 16) at 9AM. Winds are predicted to be onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.6m 3s period and expected on Friday (Jul 11) at 9AM.
| Wave Type | Time (JST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 12PM (Sun 13th Jul) | 2ft (0.6m) 9s |
| Best Surf | 12PM (Sun 13th Jul) | 2ft (0.6m) 9s |
| Most Powerful | 9AM (Wed 16th Jul) | 3.5ft (1.0m) 10s |
Table - best surf conditions forecast for Osaki over the next 12 days.
Wed 09 | Thursday 10 | Friday 11 | Saturday 12 | Sunday 13 | Monday 14 | Tuesday 15 | Wednesday 16 | Thursday 17 | Friday 18 | Saturday 19 | Sunday 20 | Mon 21 | ||||||||||||||||||||||||
| 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 | AM | |
Rating (10 max) | ||||||||||||||||||||||||||||||||||||
Swell Height Map |  |  |  |  |  |  |  |  |  |  |  |  |  | |||||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||||||||||||||
| Period(s) (?) | 4 | 11 | 5 | 6 | 6 | 7 | 8 | 8 | 8 | 9 | 8 | 9 | 10 | 9 | 8 | 10 | 9 | 10 | 10 | 10 | 10 | 9 | 8 | 9 | 8 | 8 | 8 | 8 | 8 | 8 | 7 | 8 | 8 | 8 | 8 | 16 |
Wave (?)Graph  | ||||||||||||||||||||||||||||||||||||
| Energy (?) | 26 | 30 | 11 | 32 | 19 | 18 | 14 | 24 | 25 | 42 | 36 | 55 | 112 | 67 | 54 | 38 | 49 | 128 | 114 | 132 | 210 | 126 | 458 | 1337 | 1152 | 205 | 141 | 139 | 95 | 59 | 57 | 58 | 58 | 60 | 118 | 837 |
Wind (km/h) | ||||||||||||||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | on | on | on | on | cross- off | off | off | off | off | cross | cross- off | cross- off | cross- off | off | off | on | on | cross- on | cross- on | on | on | on | on | on | on | cross- on | off | on | cross- on | cross- off | on | on | on | on | on | on |
High Tide / height (m) | 5:40PM 1.38 | 3:15AM 1.46 | 6:18PM 1.42 | 4:03AM 1.49 | 6:52PM 1.44 | 4:51AM 1.50 | 7:23PM 1.45 | 5:38AM 1.50 | 7:53PM 1.44 | 6:25AM 1.47 | 8:22PM 1.42 | 7:15AM 1.42 | 8:50PM 1.40 | 8:08AM 1.34 | 9:19PM 1.39 | 9:08AM 1.25 | 9:49PM 1.38 | 10:21AM 1.17 | 10:22PM 1.37 | 11:57AM 1.11 | 11:01PM 1.37 | 1:53PM 1.13 | 11:47PM 1.37 | |||||||||||||
Low Tide / height (m) | 10:16PM 1.10 | 10:49AM 0.00 | 11:03PM 1.07 | 11:31AM -0.02 | 11:44PM 1.03 | 12:10PM -0.01 | 12:25AM 0.97 | 12:49PM 0.05 | 1:05AM 0.91 | 1:26PM 0.14 | 1:47AM 0.83 | 2:03PM 0.26 | 2:33AM 0.76 | 2:40PM 0.41 | 3:23AM 0.69 | 3:18PM 0.57 | 4:20AM 0.62 | 3:59PM 0.73 | 5:25AM 0.54 | 4:46PM 0.88 | 6:34AM 0.45 | 5:50PM 1.02 | 7:42AM 0.34 | |||||||||||||
Wed 09 | Thursday 10 | Friday 11 | Saturday 12 | Sunday 13 | Monday 14 | Tuesday 15 | Wednesday 16 | Thursday 17 | Friday 18 | Saturday 19 | Sunday 20 | Mon 21 | ||||||||||||||||||||||||
| Sunrise | - | - | 4:33 | - | - | 4:35 | - | - | 4:35 | - | - | 4:35 | - | - | 4:37 | - | - | 4:37 | - | - | 4:37 | - | - | 4:39 | - | - | 4:39 | - | - | 4:39 | - | - | 4:41 | - | - | 4:41 |
| Sunset | 6:59 | - | - | 6:59 | - | - | 6:58 | - | - | 6:58 | - | - | 6:58 | - | - | 6:57 | - | - | 6:57 | - | - | 6:55 | - | - | 6:55 | - | - | 6:54 | - | - | 6:54 | - | - | 6:53 | - | - |
 |  | |  |  |  |  |  | |  |  | | | | | |  |  | | | |  | | | | | | | | | | | | | | | |
Rain (mm) | - | - | - | 2 | 4 | - | - | - | - | 1 | - | - | - | - | - | - | 42 | 61 | 35 | 64 | 6 | 7 | 18 | 2 | - | 2 | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 28 | 27 | 28 | 28 | 25 | 22 | 24 | 22 | 24 | 24 | 24 | 27 | 29 | 26 | 28 | 29 | 27 | 26 | 26 | 27 | 28 | 27 | 27 | 28 | 28 | 27 | 28 | 28 | 26 | 28 | 28 | 26 | 27 | 28 | 27 | 28 |
| Feels °C (?) | 29 | 28 | 30 | 30 | 26 | 19 | 22 | 19 | 24 | 26 | 26 | 28 | 30 | 28 | 29 | 29 | 27 | 26 | 24 | 24 | 26 | 25 | 25 | 30 | 30 | 31 | 32 | 30 | 30 | 32 | 29 | 29 | 29 | 29 | 29 | 29 |
Short Range Forecast: Light rain (total 6mm), mostly falling on Thu night. Warm (max 28°C on Wed afternoon, min 21°C on Thu night). Winds increasing (light winds from the S on Thu morning, fresh winds from the NE by Thu night). | Days 3-6 Weather Summary Heavy rain (total 104mm), heaviest during Mon night. Warm (max 29°C on Sun afternoon, min 23°C on Sat afternoon). Winds increasing (light winds from the ESE on Sat afternoon, fresh winds from the SSW by Mon night). | Days 6-9 Weather Summary Heavy rain (total 134mm), heaviest during Tue night. Warm (max 28°C on Wed morning, min 25°C on Thu night). Winds decreasing (strong winds from the S on Tue night, calm by Thu night). | Long Range Forecast: Mostly dry. Warm (max 28°C on Fri afternoon, min 25°C on Fri night). Wind will be generally light. | |||||||||||||||||||||||||||||||||
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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 Osaki 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 Osaki Surf forecast
The above surf forecast table for Osaki provides essential information for determining whether the surfing conditions will be good over the next 12 days. A general guide to surfing at Osaki can be found by selecting the local surf guide option on the grey menu. Our Osaki 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 (Osaki) 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 Osaki 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.
Osaki is 2 km (1 miles) from the city of Zushi. If you plan a holiday in Kanagawa, look for hotels and other accommodation in Zushi. Zushi has rooms for a wide range of budgets as well as car hire and transport links.
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