Surf Forecasts:
Kaiser's (Hachijojima Island) surf forecast from 28 Jun 2026:
- Best quality surf: Monday 29 Jun, 6AM (local time) - 2.5ft (0.8m), 9s period, SSE swell with cross-offshore winds.
- Most powerful swell: Saturday 4 Jul, 9PM (local time) - 5.5ft (1.7m), 10s period, NE swell with 535 kJ wave energy.
- Next surfable swell (1★+): Monday 29 Jun, 6AM (local time) - 2.5ft (0.8m), 9s period with SSE 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 Monday (Jun 29) at 6AM. The primary swell is predicted to be 0.8m and 9s 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 1.7m 10s and forecast to arrive on Saturday (Jul 04) at 9PM. Winds are predicted to be cross-onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 3.0m 8s period and expected on Friday (Jul 03) at 9AM.
| Wave Type | Time (JST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 6AM (Mon 29th Jun) | 2.5ft (0.8m) 9s |
| Best Surf | 6AM (Mon 29th Jun) | 2.5ft (0.8m) 9s |
| Most Powerful | 9PM (Sat 4th Jul) | 5.5ft (1.7m) 10s |
Table - best surf conditions forecast for Kaiser's (Hachijojima Island) over the next 16 days.
Updates in hr min s Forecast update imminent
Short Range ForecastHeavy rain (total 68mm), heaviest during Tue night. Warm (max 24°C on Mon morning, min 20°C on Sun night). Winds increasing (calm on Tue morning, strong winds from the SSW by Tue night). | Days 5-7 Weather SummaryLight rain (total 5mm), mostly falling on Thu afternoon. Warm (max 25°C on Thu morning, min 23°C on Fri afternoon). Mainly strong winds. | ||||||||||||||||||||
Sun 28 | Monday 29 | Tuesday 30 | Wednesday 1 | Thursday 2 | Friday 3 | Saturday 4 | |||||||||||||||
PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | |
Swell Height Map |  |  |  |  |  |  |  |  | |||||||||||||
Wave Height (m) Direction Period (s) | SSE 8 | SSE 7 | SE 9 | SE 9 | SE 9 | SE 9 | SE 9 | SE 9 | NNE 10 | NE 10 | NE 10 | NE 10 | NE 10 | NNE 10 | NE 12 | NE 11 | NE 11 | NNE 6 | NNE 7 | NE 10 | NE 9 |
Wave Graph  | |||||||||||||||||||||
 kJ | 143 | 63 | 97 | 81 | 71 | 67 | 67 | 84 | 73 | 108 | 104 | 102 | 79 | 64 | 34 | 59 | 56 | 123 | 207 | 524 | 410 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross-off | cross-off | cross-off | cross | cross | cross-off | cross-off | cross-off | cross-off | off | cross-off | cross-off | cross-off | cross-off | cross | cross | cross | cross-on | cross-on | on |
High Tide | 5:54PM1.35m | 3:44AM1.41m | 6:25PM1.38m | 4:25AM1.42m | 6:55PM1.40m | 5:03AM1.44m | 7:23PM1.41m | 5:39AM1.46m | 7:51PM1.42m | 6:15AM1.47m | 8:18PM1.43m | 6:51AM1.47m | 8:46PM1.44m | 7:31AM1.43m | |||||||
Low Tide | 10:37PM1.03m | 11:11AM0.11m | 11:15PM0.99m | 11:45AM0.08m | 11:49PM0.96m | 12:18PM0.09m | 00:20AM0.94m | 12:50PM0.14m | 00:51AM0.93m | 1:22PM0.21m | 1:26AM0.93m | 1:53PM0.30m | 2:05AM0.92m | ||||||||
 |  |  |  |  |  | |  | | |  | | |  |  | | | | |  | | |
 | — | — | 4:33 | — | — | 4:33 | — | — | 4:35 | — | — | 4:35 | — | — | 4:35 | — | — | 4:35 | — | — | 4:35 |
 | 6:52 | — | — | 6:52 | — | — | 6:52 | — | — | 6:52 | — | — | 6:52 | — | — | 6:52 | — | — | 6:52 | — | 6:52 |
mm | 3 | 5 | — | 1 | 12 | 1 | 4 | 39 | 3 | — | — | 2 | 3 | — | — | — | — | — | — | — | — |
Temp °C | 23 | 23 | 24 | 23 | 24 | 24 | 24 | 23 | 24 | 24 | 24 | 25 | 25 | 25 | 24 | 24 | 23 | 23 | 23 | 23 | 23 |
Feels °C | 21 | 23 | 25 | 22 | 28 | 27 | 23 | 18 | 21 | 23 | 24 | 24 | 23 | 22 | 25 | 25 | 22 | 22 | 23 | 24 | 25 |
Swell 1 Height (m) Direction Period (s) | SW 10 | SW 9 | SW 8 | SE 9 | SE 9 | SW 6 | SE 9 | SE 9 | SW 8 | SW 7 | NNE 6 | NE 10 | NE 10 | NNE 10 | ESE 9 | NE 11 | NE 11 | WSW 7 | NNE 7 | NE 10 | NE 9 |
| kJ | 710 | 323 | 151 | 81 | 71 | 96 | 67 | 84 | 503 | 160 | 56 | 102 | 79 | 64 | 31 | 59 | 56 | 93 | 207 | 524 | 410 |
Swell 2 Height (m) Direction Period (s) | SSE 8 | SSE 7 | SE 9 | ESE 15 | ESE 14 | SE 9 | ESE 14 | NE 10 | ESE 9 | NE 10 | SW 7 | WSW 6 | ESE 8 | ESE 9 | NE 10 | ESE 9 | ESE 9 | NE 10 | WSW 7 | WSW 6 | ESE 10 |
| kJ | 143 | 63 | 97 | 42 | 40 | 67 | 36 | 24 | 54 | 108 | 44 | 21 | 41 | 27 | 24 | 26 | 16 | 79 | 41 | 16 | 38 |
Swell 3 Height (m) Direction Period (s) | ESE 15 | SE 9 | S 7 | NE 6 | E 8 | ESE 14 | NNE 10 | ESE 13 | NNE 10 | ESE 9 | NE 10 | NE 6 | NE 6 | ESE 12 | NE 12 | ESE 12 | ESE 12 | NW 7 | NE 10 | ESE 9 | SW 7 |
| kJ | 43 | 41 | 14 | 5 | 5 | 36 | 9 | 35 | 73 | 53 | 104 | 20 | 11 | 14 | 34 | 14 | 14 | 22 | 73 | 29 | 12 |
Wind waves Height (m) Direction Period (s) | — | — | — | SW 8 | SW 8 | SW 6 | SW 6 | SW 6 | WSW 8 | NW 5 | NW 4 | — | SW 4 | SW 6 | WSW 8 | WSW 8 | W 7 | NNE 6 | — | — | — |
| kJ | — | — | — | 141 | 120 | 135 | 78 | 200 | 653 | 35 | 11 | — | 16 | 159 | 922 | 547 | 320 | 123 | — | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 195 | 195 | 152 | 152 | 152 | 204 | 191 | 152 | 204 | 191 | 0 | 227 | 248 | 216 | 237 | 191 | 204 | 772 | 772 | 152 | 248 |
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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