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Surf Forecasts:
Osaki surfForecast / Kanagawa / Japan
12 Day Weather and Surf, issued 8 am Sunday 22 Feb 2026 JSTForecast update in hr min s Forecast update imminent
Osaki surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Osaki sea temperature is
16.1° C
(Which is normal for this time of year)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 Friday (Feb 27) at 6AM. The primary swell is predicted to be 0.8m and 8s period with a secondary swell of 0.1m and 13s. The wind is predicted to be offshore as the swell arrives.
The most powerful waves expected at Osaki in the next 12 days are 2.0m 8s and forecast to arrive on Wednesday (Feb 25) at 3PM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.1m 4s period and expected on Thursday (Feb 26) at 3AM.
| Wave Type | Time (JST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 6AM (Fri 27th Feb) | 2.5ft (0.8m) 8s |
| Best Surf | 6AM (Fri 27th Feb) | 2.5ft (0.8m) 8s |
| Most Powerful | 3PM (Wed 25th Feb) | 6.5ft (2.0m) 8s |
Table - best surf conditions forecast for Osaki over the next 12 days.
Updates in hr min s Forecast update imminent
Short Range Forecast Some drizzle, heaviest during Sun night. Very mild (max 18°C on Mon afternoon, min 10°C on Mon night). Winds decreasing (strong winds from the SSW on Sun night, calm by Tue morning). | Days 3-6 Weather Summary Heavy rain (total 110mm), heaviest during Fri night. Very mild (max 16°C on Wed morning, min 7°C on Wed night). Winds decreasing (strong winds from the NNE on Wed night, calm by Fri night). | ||||||||||||||||||||
Sunday 22 | Monday 23 | Tuesday 24 | Wednesday 25 | Thursday 26 | Friday 27 | Saturday 28 | |||||||||||||||
| 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) (?) | 12 | 4 | 6 | 6 | 6 | 6 | 5 | 5 | 3 | 5 | 8 | 8 | 8 | 9 | 9 | 8 | 8 | 8 | 8 | 8 | 8 |
Wave (?)Graph  | |||||||||||||||||||||
 kJ (?) | 3 | 42 | 136 | 226 | 139 | 30 | 8 | 4 | 4 | 43 | 471 | 82 | 67 | 151 | 106 | 70 | 68 | 75 | 54 | 52 | 67 |
Wind (km/h) | |||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- on | on | on | on | on | off | cross- off | cross- on | on | on | cross- off | off | off | off | off | off | cross- off | cross- off | on | on | off |
High Tide / height (m) | 8:39PM 1.21 | 8:15AM 1.31 | 9:41PM 1.11 | 8:43AM 1.30 | 11:06PM 1.02 | 9:16AM 1.27 | 1:21AM 1.01 | 10:02AM 1.23 | 3:21AM 11:18AM 1.09 1.18 | 4:03AM 1.16 | 1:00PM 1.18 | ||||||||||
Low Tide / height (m) | 2:18PM 0.29 | 2:17AM 0.59 | 3:05PM 0.27 | 2:46AM 0.74 | 4:01PM 0.27 | 3:18AM 0.87 | 5:11PM 0.27 | 4:05AM 0.98 | 6:33PM 0.25 | 6:22AM 1.05 | 7:52PM 0.20 | 8:28AM 1.01 | 8:55PM 0.14 | ||||||||
Sunday 22 | Monday 23 | Tuesday 24 | Wednesday 25 | Thursday 26 | Friday 27 | Saturday 28 | |||||||||||||||
| Sunrise | 6:20 | - | - | 6:20 | - | - | 6:18 | - | - | 6:16 | - | - | 6:16 | - | - | 6:15 | - | - | 6:13 | - | - |
| Sunset | - | 5:29 | - | - | 5:30 | - | - | 5:30 | - | - | 5:31 | - | - | 5:32 | - | - | 5:34 | - | - | 5:35 | - |
 | |  | | |  |  | | |  | |  | | | | |  | | |  | | |
Rain (mm) | - | - | 1 | - | - | - | - | - | - | 18 | 28 | 13 | - | - | - | - | - | 51 | 25 | 3 | 2 |
| Temp. °C | 13 | 15 | 15 | 17 | 18 | 14 | 11 | 14 | 16 | 16 | 13 | 8 | 7 | 10 | 12 | 14 | 16 | 16 | 16 | 16 | 15 |
| Feels °C (?) | 7 | 7 | 8 | 12 | 12 | 10 | 10 | 10 | 11 | 13 | 10 | 0 | -3 | 2 | 7 | 11 | 15 | 10 | 8 | 13 | 7 |
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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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