Surf Forecasts:
Kaiser's (Hachijojima Island) surf forecast from 8 Aug 2026:
- Best quality surf: Saturday 15 Aug, 6PM (local time) - 10ft (3.0m), 12s period, E swell with cross-offshore winds.
- Most powerful swell: Saturday 15 Aug, 6PM (local time) - 10ft (3.0m), 12s period, E swell with 2,839 kJ wave energy.
- Next surfable swell (1★+): Saturday 15 Aug, 6PM (local time) - 10ft (3.0m), 12s period with E 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 Saturday (Aug 15) at 6PM. The primary swell is predicted to be 3.0m and 12s period. The wind is predicted to be cross-offshore as the swell arrives.
The most powerful waves expected at Kaiser's (Hachijojima Island) in the next 16 days are 3.0m 12s and forecast to arrive on Saturday (Aug 15) at 6PM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.5m 10s period and expected on Sunday (Aug 09) at 12AM.
| Wave Type | Time (JST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 6PM (Sat 15th Aug) | 10ft (3.0m) 12s |
| Best Surf | 6PM (Sat 15th Aug) | 10ft (3.0m) 12s |
| Most Powerful | 6PM (Sat 15th Aug) | 10ft (3.0m) 12s |
Table - best surf conditions forecast for Kaiser's (Hachijojima Island) over the next 16 days.
Short Range ForecastLight rain (total 3mm), mostly falling on Tue morning. Warm (max 27°C on Sat afternoon, min 25°C on Tue morning). Wind will be generally light. | Days 5-7 Weather SummaryModerate rain (total 17mm), heaviest on Wed night. Warm (max 28°C on Tue night, min 26°C on Tue afternoon). Winds increasing (light winds from the S on Tue afternoon, fresh winds from the NE by Fri morning). | |||||||||||||||||||
Sat 8 | Sunday 9 | Monday 10 | Tuesday 11 | Wednesday 12 | Thursday 13 | Friday 14 | ||||||||||||||
PM | 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) | ESE 12 | E 14 | E 13 | E 13 | E 12 | E 12 | ENE 12 | ENE 11 | ENE 10 | ENE 11 | ENE 11 | NE 11 | NNE 10 | ENE 9 | ENE 10 | ENE 10 | ENE 10 | ENE 10 | ENE 10 | ENE 10 |
Wave Graph  | ||||||||||||||||||||
 kJ | 727 | 1505 | 1520 | 1288 | 1039 | 1392 | 1390 | 920 | 747 | 551 | 499 | 458 | 164 | 135 | 260 | 245 | 334 | 664 | 644 | 1021 |
Wind (km/h) | ||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | on | cross-on | cross-on | cross | cross | cross | cross | cross | cross-on | cross-on | cross | cross | cross-on | on | cross-on | cross-on | cross-on | cross-on | cross-on | cross |
High Tide | 3:44PM1.19m | 11:40PM1.29m | 4:29PM1.28m | 1:26AM1.30m | 5:04PM1.36m | 2:48AM1.38m | 5:36PM1.42m | 3:50AM1.48m | 6:05PM1.47m | 4:43AM1.57m | 6:33PM1.51m | 5:32AM1.63m | 6:59PM1.55m | |||||||
Low Tide | 6:58PM1.15m | 8:23AM0.11m | 8:54PM1.11m | 9:23AM-0.01m | 9:49PM1.04m | 10:14AM-0.07m | 10:32PM0.96m | 11:01AM-0.06m | 11:11PM0.89m | 11:43AM0.02m | 11:49PM0.82m | 12:21PM0.17m | 00:28AM0.77m | |||||||
 |  |  | |  | | | |  | |  | | | | | |  | | | | |
 | — | — | 4:58 | — | — | 4:58 | — | — | 5:00 | — | — | 5:00 | — | — | 5:01 | — | — | 5:01 | — | — |
 | 6:34 | — | — | 6:32 | — | — | 6:31 | — | — | 6:30 | — | — | 6:30 | — | — | 6:29 | — | — | 6:28 | — |
mm | — | — | — | — | — | — | — | — | 3 | 2 | 4 | — | — | 8 | 1 | — | 2 | — | 2 | 42 |
Temp °C | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 25 | 26 | 28 | 28 | 28 | 27 | 27 | 28 | 28 | 28 | 28 | 26 |
Feels °C | 28 | 30 | 29 | 27 | 29 | 26 | 26 | 26 | 27 | 27 | 28 | 28 | 29 | 28 | 27 | 29 | 27 | 27 | 27 | 21 |
Swell 1 Height (m) Direction Period (s) | SSW 11 | E 14 | E 13 | E 13 | E 12 | E 12 | ENE 12 | ENE 11 | ENE 10 | ENE 11 | ENE 11 | NE 11 | SW 11 | SW 11 | ENE 10 | ENE 10 | ENE 10 | SSE 11 | SSE 10 | ESE 11 |
| kJ | 597 | 1505 | 1520 | 1288 | 1039 | 1392 | 1390 | 920 | 747 | 551 | 499 | 458 | 283 | 361 | 260 | 245 | 334 | 161 | 192 | 341 |
Swell 2 Height (m) Direction Period (s) | ESE 12 | SSW 10 | SW 12 | SW 12 | SW 12 | SW 12 | SW 11 | SW 11 | WSW 11 | NE 8 | NNE 9 | SW 11 | NNE 10 | ENE 9 | SW 10 | SW 10 | SW 10 | SSW 9 | SSW 9 | SSW 9 |
| kJ | 727 | 462 | 273 | 486 | 678 | 414 | 288 | 179 | 219 | 250 | 172 | 250 | 164 | 135 | 265 | 222 | 102 | 96 | 96 | 64 |
Swell 3 Height (m) Direction Period (s) | E 9 | — | SSW 10 | SSW 11 | SSW 11 | SSW 11 | SSW 10 | SSW 11 | SSW 10 | SSW 10 | WSW 11 | SSW 10 | SSW 10 | NNE 9 | NNE 8 | NE 7 | SSW 9 | WSW 10 | SW 9 | WSW 9 |
| kJ | 61 | — | 222 | 198 | 214 | 210 | 143 | 161 | 158 | 198 | 204 | 210 | 206 | 68 | 23 | 43 | 69 | 60 | 42 | 32 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | SSW 10 | — | SSE 3 | — | ENE 4 | NE 7 | — | ENE 10 | ENE 10 | ENE 10 |
| kJ | — | — | — | — | — | — | — | — | — | — | 374 | — | 3 | — | 14 | 43 | — | 664 | 644 | 1021 |
Nearest Offshore or Glassy | ||||||||||||||||||||
Distance (km) | 497 | 152 | 191 | 191 | 191 | 204 | 191 | 204 | 191 | 233 | 195 | 191 | 191 | 204 | 204 | 204 | 204 | 227 | 227 | 227 |
Best forecast wave conditions in Izu Islands | ||||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||||
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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.
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