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Kaiser's (Hachijojima Island) surfForecast / Izu Islands / Japan
12 Day Weather and Surf, issued 8 am Thursday 06 Nov 2025 JST
Best Forecast Surf Conditions for Kaiser's (Hachijojima Island) this week:
The surf forecast for Kaiser's (Hachijojima Island) over the next 12 days: The first swell (rated 1 star or higher) is forecast to arrive on Friday (Nov 07) at 9PM. The primary swell is predicted to be 2.3m and 10s period. The wind is predicted to be glassy as the swell arrives.
The most powerful waves expected at Kaiser's (Hachijojima Island) in the next 12 days are 3.5m 11s and forecast to arrive on Friday (Nov 07) at 12AM. Winds are predicted to be cross-shore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 2.1m 7s period and expected on Monday (Nov 10) at 9PM.
| Wave Type | Time (JST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 9PM (Fri 7th Nov) | 7.5ft (2.3m) 10s |
| Best Surf | 9PM (Fri 7th Nov) | 7.5ft (2.3m) 10s |
| Most Powerful | 12AM (Fri 7th Nov) | 11ft (3.5m) 11s |
Table - best surf conditions forecast for Kaiser's (Hachijojima Island) over the next 12 days.
Short Range Forecast Moderate rain (total 11mm), heaviest on Thu morning. Warm (max 21°C on Thu afternoon, min 19°C on Thu morning). Winds decreasing (strong winds from the NE on Thu morning, calm by Fri night). | Days 3-6 Weather Summary Moderate rain (total 13mm), heaviest on Sun night. Warm (max 23°C on Sun night, min 18°C on Mon night). Winds increasing (light winds from the S on Sun morning, near gales from the WNW by Mon afternoon). | ||||||||||||||||||||
Thursday 06 | Friday 07 | Saturday 08 | Sunday 09 | Monday 10 | Tuesday 11 | Wednesday 12 | |||||||||||||||
| 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) (?) | 8 | 9 | 11 | 10 | 10 | 10 | 10 | 10 | 9 | 8 | 8 | 8 | 16 | 14 | 13 | 14 | 7 | 8 | 7 | 8 | 8 |
Wave (?)Graph  | |||||||||||||||||||||
 kJ (?) | 1347 | 1521 | 2772 | 2034 | 1402 | 969 | 490 | 300 | 335 | 92 | 237 | 373 | 435 | 951 | 989 | 862 | 226 | 172 | 810 | 903 | 693 |
Wind (km/h) | |||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross | cross | cross | cross | cross- on | glass | on | cross- on | cross- on | cross- on | cross | cross | off | off | cross- on | cross- on | cross | cross- off | cross- on | cross- on | cross- on |
High Tide / height (m) | 4:49PM 1.68 | 6:51AM 1.64 | 5:16PM 1.67 | 7:45AM 1.55 | 5:45PM 1.64 | 8:41AM 1.44 | 6:18PM 1.60 | 9:42AM 1.33 | 6:56PM 1.53 | 10:57AM 1.26 | 7:48PM 1.44 | 12:39PM 1.25 | 9:17PM 1.35 | ||||||||
Low Tide / height (m) | 11:23AM 0.92 | 11:49PM -0.03 | 11:59AM 1.02 | 12:32AM -0.06 | 12:30PM 1.10 | 1:18AM -0.00 | 12:58PM 1.16 | 2:09AM 0.12 | 1:24PM 1.19 | 3:08AM 0.29 | 1:58PM 1.21 | 4:20AM 0.45 | 4:00PM 1.22 | ||||||||
Thursday 06 | Friday 07 | Saturday 08 | Sunday 09 | Monday 10 | Tuesday 11 | Wednesday 12 | |||||||||||||||
| Sunrise | 6:01 | - | - | 6:03 | - | - | 6:03 | - | - | 6:03 | - | - | 6:05 | - | - | 6:05 | - | - | 6:07 | - | - |
| Sunset | - | 4:45 | - | - | 4:45 | - | - | 4:44 | - | - | 4:43 | - | - | 4:42 | - | - | 4:42 | - | - | 4:40 | - |
 |  |  |  | |  | |  |  | |  | |  | | | | | | | |  | |
Rain (mm) | 6 | - | - | - | - | - | - | 2 | 3 | - | - | 5 | 2 | - | 3 | 2 | 1 | - | - | 1 | 1 |
| Temp. °C | 20 | 21 | 21 | 20 | 20 | 21 | 20 | 20 | 20 | 22 | 22 | 23 | 20 | 19 | 20 | 19 | 19 | 20 | 19 | 19 | 20 |
| Feels °C (?) | 13 | 13 | 14 | 14 | 17 | 20 | 18 | 18 | 19 | 19 | 19 | 17 | 17 | 8 | 15 | 16 | 17 | 16 | 12 | 13 | 17 |
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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 Kaiser's (Hachijojima Island) 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 Kaiser's (Hachijojima Island) Surf forecast
The above surf forecast table for Kaiser's (Hachijojima Island) provides essential information for determining whether the surfing conditions will be good over the next 12 days. A general guide to surfing at Kaiser's (Hachijojima Island) can be found by selecting the local surf guide option on the grey menu. Our Kaiser's (Hachijojima Island) 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 (Kaiser's (Hachijojima Island)) 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 Kaiser's (Hachijojima Island) 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.
Kaiser's (Hachijojima Island) is 191 km (119 miles) from Oshima. If you plan a holiday in Izu Islands, look for hotels and other accommodation in Oshima. Oshima has rooms for a wide range of budgets as well as car hire and transport links.
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