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Kaiser's (Hachijojima Island) surfForecast / Izu Islands / Japan
12 Day Weather and Surf, issued 2 pm Tuesday 08 Jul 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 Saturday (Jul 12) at 3AM. The primary swell is predicted to be 1.3m and 8s period with a secondary swell of 1.3m and 8s. 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 3.0m 11s and forecast to arrive on Tuesday (Jul 15) at 12PM. Winds are predicted to be cross-shore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.4m 9s period and expected on Tuesday (Jul 15) at 6PM.
| Wave Type | Time (JST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 3AM (Sat 12th Jul) | 4.5ft (1.3m) 8s |
| Best Surf | 3AM (Sat 12th Jul) | 4.5ft (1.3m) 8s |
| Most Powerful | 12PM (Tue 15th Jul) | 10ft (3.0m) 11s |
Table - best surf conditions forecast for Kaiser's (Hachijojima Island) over the next 12 days.
Tue 08 | Wednesday 09 | Thursday 10 | Friday 11 | Saturday 12 | Sunday 13 | Monday 14 | Tuesday 15 | Wednesday 16 | Thursday 17 | Friday 18 | Saturday 19 | Sun 20 | ||||||||||||||||||||||||
| 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) (?) | 9 | 11 | 11 | 11 | 11 | 11 | 11 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 9 | 8 | 9 | 10 | 9 | 9 | 11 | 10 | 11 | 12 | 11 | 10 | 11 | 11 | 11 | 11 | 11 | 10 | 9 | 8 | 9 | 8 |
Wave (?)Graph  | ||||||||||||||||||||||||||||||||||||
| Energy (?) | 183 | 156 | 110 | 145 | 142 | 159 | 186 | 193 | 212 | 270 | 243 | 426 | 449 | 361 | 299 | 282 | 243 | 294 | 371 | 366 | 1376 | 1634 | 2416 | 4465 | 2235 | 1821 | 1738 | 2730 | 3664 | 4833 | 4333 | 1952 | 1070 | 768 | 696 | 717 |
Wind (km/h) | ||||||||||||||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- on | cross- on | on | on | cross- on | on | on | on | cross- on | cross- on | cross- on | cross- on | cross- on | cross | cross- off | glass | cross- off | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | on | on | on | on | on | on | on |
High Tide / height (m) | 5:31PM 1.35 | 3:07AM 1.34 | 6:02PM 1.38 | 3:52AM 1.37 | 6:30PM 1.40 | 4:33AM 1.42 | 6:57PM 1.42 | 5:13AM 1.47 | 7:26PM 1.44 | 5:53AM 1.51 | 7:55PM 1.46 | 6:34AM 1.51 | 8:25PM 1.47 | 7:19AM 1.47 | 8:56PM 1.47 | 8:11AM 1.39 | 9:27PM 1.45 | 9:15AM 1.28 | 9:59PM 1.43 | 10:40AM 1.15 | 10:32PM 1.41 | 12:58PM 1.09 | 11:12PM 1.38 | |||||||||||||
Low Tide / height (m) | 10:17PM 1.06 | 10:40AM 0.08 | 10:54PM 1.01 | 11:15AM 0.01 | 11:26PM 0.96 | 11:50AM -0.01 | 11:56PM 0.92 | 12:24PM 0.00 | 12:28AM 0.89 | 12:59PM 0.06 | 1:04AM 0.87 | 1:34PM 0.17 | 1:47AM 0.85 | 2:11PM 0.30 | 2:36AM 0.82 | 2:48PM 0.47 | 3:36AM 0.76 | 3:26PM 0.64 | 4:46AM 0.66 | 4:09PM 0.81 | 6:04AM 0.52 | 5:03PM 0.97 | 7:20AM 0.34 | |||||||||||||
Tue 08 | Wednesday 09 | Thursday 10 | Friday 11 | Saturday 12 | Sunday 13 | Monday 14 | Tuesday 15 | Wednesday 16 | Thursday 17 | Friday 18 | Saturday 19 | Sun 20 | ||||||||||||||||||||||||
| Sunrise | - | - | 4:37 | - | - | 4:39 | - | - | 4:39 | - | - | 4:39 | - | - | 4:41 | - | - | 4:41 | - | - | 4:41 | - | - | 4:41 | - | - | 4:43 | - | - | 4:43 | - | - | 4:43 | - | - | 4:45 |
| Sunset | 6:52 | - | - | 6:52 | - | - | 6:52 | - | - | 6:52 | - | - | 6:51 | - | - | 6:51 | - | - | 6:51 | - | - | 6:50 | - | - | 6:50 | - | - | 6:49 | - | - | 6:49 | - | - | 6:47 | - | - |
 |  | | |  |  | | | |  | | | |  | | | |  | | | | | | | | | | |  | | | | | | | | |
Rain (mm) | - | - | - | - | 2 | 4 | 1 | 14 | 2 | 6 | 16 | 2 | - | 1 | - | - | - | - | - | 1 | 33 | 8 | 7 | 7 | 5 | 6 | 3 | 3 | - | - | - | - | - | - | 2 | 2 |
| Temp. °C | 28 | 27 | 28 | 28 | 28 | 28 | 28 | 28 | 27 | 27 | 26 | 26 | 27 | 27 | 26 | 27 | 27 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 27 | 28 | 27 | 27 | 28 | 28 | 28 | 27 | 27 | 28 | 28 | 27 |
| Feels °C (?) | 29 | 30 | 30 | 30 | 30 | 30 | 30 | 31 | 27 | 27 | 28 | 28 | 29 | 30 | 28 | 30 | 29 | 30 | 30 | 29 | 28 | 29 | 30 | 27 | 24 | 26 | 22 | 23 | 25 | 26 | 27 | 26 | 25 | 28 | 28 | 25 |
Short Range Forecast: Heavy rain (total 23mm), heaviest during Thu night. Warm (max 28°C on Tue afternoon, min 27°C on Tue night). Mainly fresh winds. | Days 3-6 Weather Summary Heavy rain (total 25mm), heaviest during Fri night. Warm (max 28°C on Mon morning, min 26°C on Fri night). Winds decreasing (fresh winds from the ENE on Fri afternoon, calm by Sun afternoon). | Days 6-9 Weather Summary Heavy rain (total 70mm), heaviest during Tue morning. Warm (max 28°C on Mon afternoon, min 26°C on Thu morning). Winds increasing (moderate winds from the SSE on Mon afternoon, near gales from the SSE by Thu morning). | Long Range Forecast: Light rain (total 8mm), mostly falling on Thu afternoon. Warm (max 28°C on Thu night, min 24°C on Sun afternoon). Winds decreasing (near gales from the SSE on Thu afternoon, fresh winds from the ESE by Sat afternoon). | |||||||||||||||||||||||||||||||||
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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 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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