Surf Forecasts:
Kaiser's (Hachijojima Island) surf forecast from 14 Sep 2026:
- Best quality surf: Wednesday 16 Sep, 3PM (local time) - 3.5ft (1.0m), 13s period, E swell with glassy winds.
- Most powerful swell: Saturday 19 Sep, 12AM (local time) - 15ft (4.5m), 14s period, SE swell with 7,721 kJ wave energy.
- Next surfable swell (1★+): Wednesday 16 Sep, 3PM (local time) - 3.5ft (1.0m), 13s 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 Wednesday (Sep 16) at 3PM. The primary swell is predicted to be 1.0m and 13s period with a secondary swell of 1.0m 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 16 days are 4.5m 14s and forecast to arrive on Saturday (Sep 19) at 12AM. Winds are predicted to be cross-onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 3.5m 13s period and expected on Tuesday (Sep 22) at 12AM.
| Wave Type | Time (JST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 3PM (Wed 16th Sep) | 3.5ft (1.0m) 13s |
| Best Surf | 3PM (Wed 16th Sep) | 3.5ft (1.0m) 13s |
| Most Powerful | 12AM (Sat 19th Sep) | 15ft (4.5m) 14s |
Table - best surf conditions forecast for Kaiser's (Hachijojima Island) over the next 16 days.
Short Range ForecastHeavy rain (total 20mm), heaviest during Mon night. Warm (max 28°C on Tue morning, min 25°C on Thu afternoon). Winds increasing (calm on Wed afternoon, near gales from the NE by Thu afternoon). | Days 5-7 Weather SummaryHeavy rain (total 52mm), heaviest during Fri night. Warm (max 27°C on Fri night, min 25°C on Thu night). Winds decreasing (near gales from the NE on Thu night, light winds from the E by Sun morning). | ||||||||||||||||||
Tuesday 15 | Wednesday 16 | Thursday 17 | Friday 18 | Saturday 19 | Sunday 20 | ||||||||||||||
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) | E 14 | E 14 | E 14 | E 13 | E 13 | E 13 | ENE 12 | ENE 12 | ENE 11 | E 11 | NE 9 | SE 15 | SE 14 | SE 13 | SE 12 | SSE 14 | S 12 | S 13 | S 12 |
Wave Graph  | |||||||||||||||||||
 kJ | 394 | 388 | 508 | 440 | 421 | 339 | 244 | 236 | 217 | 289 | 1722 | 4635 | 7721 | 6397 | 5085 | 2961 | 2120 | 2138 | 2065 |
Wind (km/h) | |||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | cross | cross | cross | cross | glassy | cross-on | cross | cross | cross | cross | cross-on | cross-on | on | on | on | cross-on | cross-on | cross-on |
High Tide | 7:36AM1.54m | 6:56PM1.70m | 8:19AM1.43m | 7:11PM1.66m | 9:11AM1.32m | 7:27PM1.59m | 10:32AM1.22m | 7:46PM1.50m | 8:05PM1.41m | 4:38PM1.33m | |||||||||
Low Tide | 1:13AM0.58m | 12:59PM0.94m | 1:47AM0.58m | 1:15PM1.04m | 2:24AM0.60m | 1:27PM1.12m | 3:12AM0.63m | 1:23PM1.18m | 4:27AM0.67m | 6:19AM0.65m | |||||||||
 |  | |  |  | | |  | | |  | | |  | | | | | | |
 | — | 5:22 | — | — | 5:24 | — | — | 5:24 | — | — | 5:24 | — | — | 5:26 | — | — | 5:26 | — | — |
 | — | — | 5:47 | — | — | 5:46 | — | — | 5:45 | — | — | 5:44 | — | — | 5:42 | — | — | 5:40 | — |
mm | 7 | — | — | 7 | 3 | — | 2 | — | 1 | 6 | 1 | 4 | 18 | 8 | 7 | 3 | 4 | 1 | 2 |
Temp °C | 27 | 28 | 28 | 27 | 27 | 28 | 27 | 26 | 26 | 26 | 26 | 26 | 27 | 26 | 26 | 27 | 27 | 27 | 27 |
Feels °C | 29 | 29 | 29 | 29 | 30 | 32 | 30 | 27 | 23 | 22 | 21 | 22 | 26 | 23 | 23 | 27 | 30 | 29 | 30 |
Swell 1 Height (m) Direction Period (s) | SE 9 | E 14 | E 14 | E 13 | SE 8 | E 13 | ENE 12 | ENE 12 | ENE 11 | E 11 | SE 16 | SE 15 | SE 14 | SE 13 | SE 12 | SSE 14 | S 12 | S 13 | S 12 |
| kJ | 262 | 388 | 508 | 440 | 135 | 339 | 244 | 236 | 217 | 289 | 1571 | 4635 | 7721 | 6397 | 5085 | 2961 | 2120 | 2138 | 2065 |
Swell 2 Height (m) Direction Period (s) | E 14 | NE 7 | — | SE 8 | E 13 | SE 8 | SE 8 | SE 8 | SE 8 | SE 12 | — | SE 19 | — | — | — | NNE 8 | NNE 8 | NNE 8 | NNE 8 |
| kJ | 394 | 8 | — | 128 | 421 | 129 | 84 | 77 | 57 | 6 | — | 529 | — | — | — | 123 | 84 | 64 | 64 |
Swell 3 Height (m) Direction Period (s) | NE 7 | — | — | — | SW 7 | SW 5 | NNE 6 | SSE 9 | SSE 9 | — | — | — | — | — | — | — | — | E 13 | E 12 |
| kJ | 12 | — | — | — | 2 | 5 | 10 | 7 | 8 | — | — | — | — | — | — | — | — | 31 | 101 |
Wind waves Height (m) Direction Period (s) | — | SE 9 | SSE 8 | WSW 5 | — | — | — | NNE 6 | NNE 7 | NNE 8 | NE 9 | NE 9 | NE 9 | NNE 8 | NNE 8 | E 11 | ESE 10 | ESE 10 | ESE 9 |
| kJ | — | 328 | 248 | 9 | — | — | — | 26 | 219 | 840 | 1722 | 1753 | 1175 | 422 | 287 | 2651 | 1557 | 1187 | 898 |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 195 | 227 | 195 | 204 | 204 | 0 | 227 | 297 | 297 | 480 | 494 | 494 | 480 | 546 | 249 | 218 | 226 | 226 | 204 |
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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