Surf Forecasts:
Kaiser's (Hachijojima Island) surf forecast from 12 Aug 2026:
- Best quality surf: Wednesday 19 Aug, 6AM (local time) - 3.5ft (1.1m), 9s period, ENE swell with glassy winds.
- Most powerful swell: Saturday 15 Aug, 3PM (local time) - 7ft (2.1m), 10s period, E swell with 815 kJ wave energy.
- Next surfable swell (1★+): Wednesday 19 Aug, 6AM (local time) - 3.5ft (1.1m), 9s period with ENE swell.
Best Forecast Surf Conditions for Kaiser's (Hachijojima Island) this week:
The surf forecast for Kaiser's (Hachijojima Island) over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Wednesday (Aug 19) at 6AM. The primary swell is predicted to be 1.1m and 9s period with a secondary swell of 0.6m and 7s. The wind is predicted to be glassy as the swell arrives.
The most powerful waves expected at Kaiser's (Hachijojima Island) in the next 16 days are 2.1m 10s and forecast to arrive on Saturday (Aug 15) at 3PM. Winds are predicted to be cross-onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.1m 10s period and expected on Thursday (Aug 13) at 3AM.
| Wave Type | Time (JST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 6AM (Wed 19th Aug) | 3.5ft (1.1m) 9s |
| Best Surf | 6AM (Wed 19th Aug) | 3.5ft (1.1m) 9s |
| Most Powerful | 3PM (Sat 15th Aug) | 7ft (2.1m) 10s |
Table - best surf conditions forecast for Kaiser's (Hachijojima Island) over the next 16 days.
Short Range ForecastHeavy rain (total 20mm), heaviest during Thu night. Warm (max 28°C on Thu afternoon, min 27°C on Wed night). Mainly fresh winds. | Days 5-7 Weather SummaryLight rain (total 3mm), mostly falling on Sun afternoon. Warm (max 28°C on Tue afternoon, min 26°C on Mon night). Mainly fresh winds. | ||||||||||||||||||
Thursday 13 | Friday 14 | Saturday 15 | Sunday 16 | Monday 17 | Tuesday 18 | ||||||||||||||
Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | |
Swell Height Map |  |  |  |  |  |  |  | ||||||||||||
Wave Height (m) Direction Period (s) | ENE 9 | ENE 10 | ENE 10 | ENE 10 | E 10 | E 10 | E 10 | E 9 | E 10 | E 10 | ENE 10 | E 9 | E 10 | E 10 | E 10 | ENE 9 | ENE 9 | ENE 9 | ENE 9 |
Wave Graph  | |||||||||||||||||||
 kJ | 225 | 375 | 482 | 544 | 530 | 530 | 687 | 695 | 815 | 669 | 443 | 709 | 739 | 683 | 614 | 451 | 344 | 274 | 227 |
Wind (km/h) | |||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | on | cross-on | cross-on | on | on | on | on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | on | on |
High Tide | 4:43AM1.57m | 6:33PM1.51m | 5:32AM1.63m | 6:59PM1.55m | 6:20AM1.63m | 7:21PM1.59m | 7:05AM1.59m | 7:42PM1.61m | 7:51AM1.50m | 8:00PM1.62m | 8:39AM1.38m | 8:17PM1.61m | |||||||
Low Tide | 11:11PM0.89m | 11:43AM0.02m | 11:49PM0.82m | 12:21PM0.17m | 00:28AM0.77m | 12:55PM0.36m | 1:07AM0.73m | 1:23PM0.56m | 1:47AM0.70m | 1:46PM0.75m | 2:29AM0.68m | 2:04PM0.90m | |||||||
 |  | |  |  | | | | |  | |  | | | |  | | | | |
 | — | 5:01 | — | — | 5:01 | — | — | 5:01 | — | — | 5:03 | — | — | 5:03 | — | — | 5:03 | — | — |
 | 6:30 | — | 6:29 | — | — | 6:28 | — | — | 6:27 | — | — | 6:25 | — | — | 6:24 | — | — | 6:22 | — |
mm | 2 | — | — | 5 | 4 | 3 | 6 | — | — | — | — | 1 | 1 | 1 | — | — | — | — | 6 |
Temp °C | 27 | 27 | 28 | 27 | 28 | 28 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 28 | 28 |
Feels °C | 28 | 28 | 31 | 29 | 30 | 30 | 27 | 26 | 25 | 25 | 25 | 26 | 25 | 27 | 26 | 27 | 27 | 29 | 32 |
Swell 1 Height (m) Direction Period (s) | ENE 9 | ENE 10 | ENE 10 | ENE 10 | E 10 | E 10 | SSW 11 | SSW 10 | SSW 9 | SSW 10 | ESE 10 | E 9 | E 10 | E 10 | SSW 8 | ENE 9 | ENE 9 | ENE 9 | ENE 9 |
| kJ | 225 | 375 | 482 | 544 | 530 | 530 | 225 | 180 | 126 | 132 | 335 | 709 | 739 | 683 | 39 | 451 | 344 | 274 | 227 |
Swell 2 Height (m) Direction Period (s) | SSW 10 | SSW 9 | SSW 9 | SW 9 | SSW 9 | SW 9 | SSE 8 | SE 8 | SE 10 | ESE 10 | SSW 9 | SSW 9 | SSW 9 | SSW 9 | SE 11 | SSW 8 | SE 10 | SE 10 | SSE 7 |
| kJ | 190 | 154 | 148 | 123 | 96 | 83 | 23 | 17 | 25 | 74 | 92 | 82 | 65 | 49 | 41 | 26 | 37 | 92 | 35 |
Swell 3 Height (m) Direction Period (s) | NE 8 | WSW 10 | SW 10 | S 12 | SW 9 | S 9 | SW 9 | SW 9 | SW 10 | SE 11 | SE 11 | SE 11 | SE 11 | SE 11 | WSW 9 | SE 10 | SSW 9 | SSW 8 | SE 10 |
| kJ | 54 | 40 | 25 | 44 | 41 | 39 | 19 | 22 | 24 | 44 | 31 | 42 | 42 | 41 | 8 | 39 | 30 | 28 | 35 |
Wind waves Height (m) Direction Period (s) | ESE 3 | NE 8 | — | — | — | — | E 10 | E 9 | E 10 | E 10 | ENE 10 | — | — | — | E 10 | — | — | — | — |
| kJ | 1 | 28 | — | — | — | — | 687 | 695 | 815 | 669 | 443 | — | — | — | 614 | — | — | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 191 | 204 | 218 | 204 | 204 | 218 | 218 | 237 | 191 | 204 | 204 | 191 | 204 | 204 | 191 | 191 | 191 | 191 | 191 |
Best forecast wave conditions in Izu Islands | |||||||||||||||||||
Best forecast wave conditions in Japan | |||||||||||||||||||
Header Global | |||||||||||||||||||
- 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 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 16 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.
Nearest