Surf Forecasts:
Kaiser's (Hachijojima Island) surf forecast from 3 Oct 2026:
- Best quality surf: Tuesday 6 Oct, 6AM (local time) - 18ft (5.5m), 16s period, SE swell with cross-onshore winds.
- Most powerful swell: Wednesday 7 Oct, 12AM (local time) - 25ft (7.5m), 18s period, SE swell with 31,670 kJ wave energy.
- Next surfable swell (1★+): Tuesday 6 Oct, 6AM (local time) - 18ft (5.5m), 16s period with SE 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 Tuesday (Oct 06) at 6AM. The primary swell is predicted to be 5.5m and 16s period. The wind is predicted to be cross-onshore as the swell arrives.
The most powerful waves expected at Kaiser's (Hachijojima Island) in the next 16 days are 7.5m 18s and forecast to arrive on Wednesday (Oct 07) at 12AM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 4.5m 10s period and expected on Wednesday (Oct 07) at 3AM.
| Wave Type | Time (JST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 6AM (Tue 6th Oct) | 18ft (5.5m) 16s |
| Best Surf | 6AM (Tue 6th Oct) | 18ft (5.5m) 16s |
| Most Powerful | 12AM (Wed 7th Oct) | 25ft (7.5m) 18s |
Table - best surf conditions forecast for Kaiser's (Hachijojima Island) over the next 16 days.
Short Range ForecastLight rain (total 7mm), mostly falling on Mon night. Warm (max 26°C on Mon afternoon, min 22°C on Sun morning). Winds decreasing (near gales from the ENE on Sun night, moderate winds from the NE by Mon night). | Days 5-7 Weather SummaryLight rain (total 2mm), mostly falling on Wed night. Warm (max 26°C on Tue afternoon, min 22°C on Fri morning). Winds decreasing (gales from the N on Tue night, light winds from the ENE by Wed afternoon). | |||||||||||||||||||
Sat 3 | Sunday 4 | Monday 5 | Tuesday 6 | Wednesday 7 | Thursday 8 | Friday 9 | ||||||||||||||
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) | ENE 8 | ENE 9 | E 9 | E 9 | SSE 16 | SSE 16 | SE 16 | SE 15 | SE 17 | SE 17 | SE 18 | ESE 14 | E 13 | NE 12 | NE 12 | NE 12 | ENE 11 | NE 8 | NE 8 | ENE 10 |
Wave Graph  | ||||||||||||||||||||
 kJ | 1688 | 1830 | 1755 | 1744 | 1816 | 2864 | 5020 | 9165 | 19171 | 20738 | 31670 | 8200 | 4206 | 2683 | 2362 | 2143 | 2167 | 1075 | 1437 | 3088 |
Wind (km/h) | ||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross | cross | cross-off | cross | cross-on | cross-on | on | cross-on | cross-on | cross-on | cross-on | cross-on |
High Tide | 8:05PM1.45m | 9:08PM1.37m | 3:35PM1.30m | 11:52PM1.32m | 3:40PM1.37m | 1:52AM1.41m | 3:56PM1.46m | 3:02AM1.53m | 4:14PM1.55m | 3:55AM1.63m | 4:34PM1.65m | |||||||||
Low Tide | 5:06AM0.42m | 6:42AM0.44m | 7:32PM1.22m | 7:56AM0.44m | 8:35PM1.10m | 8:53AM0.45m | 9:19PM0.95m | 9:37AM0.50m | 9:57PM0.81m | 10:14AM0.58m | 10:34PM0.67m | |||||||||
 |  |  | |  |  |  |  | | | | | |  | | | | | | | |
 | — | — | 5:35 | — | — | 5:35 | — | — | 5:37 | — | — | 5:37 | — | — | 5:39 | — | — | 5:39 | — | — |
 | 5:22 | — | — | 5:22 | — | — | 5:21 | — | — | 5:19 | — | — | 5:17 | — | — | 5:16 | — | — | 5:15 | — |
mm | 1 | — | — | — | — | 1 | 1 | 3 | 1 | — | — | — | — | 1 | 1 | — | — | — | — | — |
Temp °C | 23 | 24 | 23 | 23 | 24 | 25 | 26 | 26 | 26 | 26 | 25 | 23 | 23 | 24 | 24 | 24 | 23 | 23 | 23 | 23 |
Feels °C | 16 | 17 | 16 | 17 | 17 | 21 | 24 | 25 | 26 | 23 | 19 | 17 | 21 | 20 | 18 | 18 | 16 | 16 | 16 | 15 |
Swell 1 Height (m) Direction Period (s) | SE 10 | SE 10 | SSE 11 | SSE 13 | SSE 16 | SSE 16 | SE 16 | SE 15 | SE 17 | SE 17 | SE 18 | ESE 14 | E 13 | NE 12 | ESE 11 | ESE 10 | E 16 | E 15 | E 18 | E 15 |
| kJ | 26 | 51 | 73 | 141 | 1816 | 2864 | 5020 | 9165 | 19171 | 20738 | 31670 | 8200 | 4206 | 2683 | 397 | 281 | 321 | 441 | 606 | 1123 |
Swell 2 Height (m) Direction Period (s) | ESE 15 | E 17 | E 16 | SSE 10 | E 15 | E 15 | E 14 | — | — | — | — | — | NE 11 | ESE 12 | WNW 6 | E 17 | SSE 12 | E 20 | E 14 | ESE 18 |
| kJ | 42 | 22 | 80 | 63 | 106 | 104 | 129 | — | — | — | — | — | 2717 | 1000 | 15 | 140 | 13 | 276 | 329 | 368 |
Swell 3 Height (m) Direction Period (s) | — | — | SE 15 | SSE 17 | — | — | — | — | — | — | — | — | WNW 7 | WNW 7 | E 18 | WNW 6 | — | SE 11 | SE 11 | SSE 10 |
| kJ | — | — | 8 | 116 | — | — | — | — | — | — | — | — | 56 | 35 | 99 | 6 | — | 32 | 20 | 10 |
Wind waves Height (m) Direction Period (s) | ENE 8 | ENE 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 8 | — | NNE 7 | NNE 9 | NNE 11 | — | — | NE 12 | NE 12 | ENE 11 | NE 8 | NE 8 | ENE 10 |
| kJ | 1688 | 1830 | 1755 | 1744 | 1714 | 1764 | 1343 | 708 | — | 497 | 2930 | 3801 | — | — | 2362 | 2143 | 2167 | 1075 | 1437 | 3088 |
Nearest Offshore or Glassy | ||||||||||||||||||||
Distance (km) | 1382 | 218 | 218 | 297 | 204 | 252 | 297 | 226 | 237 | 237 | 237 | 226 | 204 | 191 | 227 | 218 | 204 | 218 | 218 | 1348 |
Best forecast wave conditions in Izu Islands | ||||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||||
Header Global | ||||||||||||||||||||
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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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