Surf Forecasts:
Kaiser's (Hachijojima Island) surf forecast from 30 Sep 2026:
- Best quality surf: Tuesday 6 Oct, 12PM (local time) - 8ft (2.4m), 13s period, ESE swell with cross-offshore winds.
- Most powerful swell: Wednesday 7 Oct, 6AM (local time) - 10ft (3.0m), 14s period, ESE swell with 3,644 kJ wave energy.
- Next surfable swell (1★+): Friday 2 Oct, 6PM (local time) - 2ft (0.6m), 8s 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 Friday (Oct 02) at 6PM. The primary swell is predicted to be 0.6m and 8s period with a secondary swell of 0.5m and 9s. The wind is predicted to be offshore as the swell arrives.
The most powerful waves expected at Kaiser's (Hachijojima Island) in the next 16 days are 3.0m 14s and forecast to arrive on Wednesday (Oct 07) at 6AM. Winds are predicted to be cross-shore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 2.3m 11s period and expected on Wednesday (Sep 30) at 3PM.
| Wave Type | Time (JST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 6PM (Fri 2nd Oct) | 2ft (0.6m) 8s |
| Best Surf | 12PM (Tue 6th Oct) | 8ft (2.4m) 13s |
| Most Powerful | 6AM (Wed 7th Oct) | 10ft (3.0m) 14s |
Table - best surf conditions forecast for Kaiser's (Hachijojima Island) over the next 16 days.
Short Range ForecastHeavy rain (total 39mm), heaviest during Wed night. Warm (max 27°C on Wed morning, min 22°C on Fri night). Winds increasing (light winds from the SE on Wed afternoon, near gales from the NE by Fri night). | Days 4-6 Weather SummaryLight rain (total 5mm), mostly falling on Mon night. Warm (max 26°C on Mon night, min 22°C on Sun morning). Winds decreasing (strong winds from the ENE on Sat afternoon, moderate winds from the SSW by Mon night). | ||||||||||||||||||||
Wednesday 30 | Thursday 1 | Friday 2 | Saturday 3 | Sunday 4 | Monday 5 | Tuesday 6 | |||||||||||||||
AM | 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) | NE 12 | NE 12 | S 9 | S 8 | SSE 7 | SE 8 | SE 7 | E 11 | SE 8 | NE 8 | ENE 8 | ENE 8 | E 8 | E 8 | E 8 | E 9 | ESE 9 | SE 7 | ESE 13 | ESE 13 | ESE 14 |
Wave Graph  | |||||||||||||||||||||
 kJ | 74 | 74 | 1075 | 825 | 208 | 48 | 51 | 56 | 53 | 1039 | 620 | 663 | 817 | 778 | 737 | 973 | 1060 | 556 | 2081 | 2021 | 3448 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross-on | on | cross-off | off | cross-off | off | off | cross | cross-on | cross-on | cross-on | cross-on | cross-on | on | on | on | cross-on | cross-off | off | cross-off |
High Tide | 6:38PM1.66m | 8:34AM1.41m | 7:03PM1.60m | 9:45AM1.28m | 7:30PM1.53m | 11:49AM1.19m | 8:05PM1.45m | 9:08PM1.37m | 3:35PM1.30m | 11:52PM1.32m | 3:40PM1.37m | 1:52AM1.41m | |||||||||
Low Tide | 12:53PM0.92m | 1:44AM0.28m | 1:20PM1.03m | 2:34AM0.30m | 1:41PM1.11m | 3:38AM0.36m | 1:39PM1.18m | 5:06AM0.42m | 6:42AM0.44m | 7:32PM1.22m | 7:56AM0.44m | 8:35PM1.10m | |||||||||
 |  |  | |  |  | | | |  |  |  | | | | |  |  | | | | |
 | 5:33 | — | — | 5:33 | — | — | 5:33 | — | — | 5:35 | — | — | 5:35 | — | — | 5:35 | — | — | 5:37 | — | — |
 | — | 5:27 | — | — | 5:25 | — | — | 5:24 | — | — | 5:22 | — | — | 5:22 | — | — | 5:21 | — | — | 5:19 | — |
mm | 5 | 9 | 23 | 1 | — | — | — | — | 1 | — | 1 | — | — | — | — | — | — | 4 | 1 | — | 3 |
Temp °C | 27 | 26 | 26 | 27 | 25 | 26 | 25 | 25 | 25 | 23 | 23 | 23 | 23 | 24 | 24 | 25 | 25 | 26 | 26 | 26 | 25 |
Feels °C | 28 | 27 | 25 | 31 | 23 | 26 | 22 | 23 | 24 | 18 | 17 | 17 | 18 | 20 | 18 | 21 | 21 | 26 | 28 | 28 | 26 |
Swell 1 Height (m) Direction Period (s) | SW 11 | NE 6 | NE 6 | S 8 | SSE 7 | SE 8 | SE 7 | SE 7 | WNW 6 | SE 10 | ESE 15 | E 17 | E 16 | E 16 | E 14 | E 14 | E 13 | SE 12 | ESE 13 | ESE 13 | ESE 14 |
| kJ | 663 | 27 | 31 | 825 | 208 | 48 | 51 | 41 | 42 | 15 | 42 | 22 | 80 | 121 | 148 | 146 | 127 | 319 | 2081 | 2021 | 3448 |
Swell 2 Height (m) Direction Period (s) | NE 6 | NE 12 | E 8 | NE 11 | E 9 | SSE 6 | SSW 6 | E 11 | SE 8 | WNW 6 | SE 9 | ESE 14 | ESE 14 | NE 9 | NE 9 | NE 9 | ESE 15 | E 13 | S 9 | S 9 | NNE 11 |
| kJ | 31 | 74 | 36 | 19 | 40 | 33 | 13 | 56 | 53 | 4 | 14 | 20 | 19 | 3 | 3 | 3 | 21 | 85 | 7 | 6 | 22 |
Swell 3 Height (m) Direction Period (s) | NE 12 | ENE 9 | NE 12 | E 12 | SE 9 | N 5 | E 9 | NNE 6 | ENE 10 | ESE 15 | WNW 6 | E 13 | NE 10 | SE 13 | SE 13 | — | NE 8 | NE 11 | NNE 10 | NNE 11 | — |
| kJ | 74 | 15 | 36 | 3 | 29 | 14 | 25 | 6 | 33 | 21 | 3 | 13 | 4 | 7 | 7 | — | 3 | 5 | 11 | 11 | — |
Wind waves Height (m) Direction Period (s) | — | SSW 11 | S 9 | NNW 6 | NW 6 | W 6 | WNW 6 | WNW 6 | N 7 | NE 8 | ENE 8 | ENE 8 | E 8 | E 8 | E 8 | E 9 | ESE 9 | SE 7 | — | NNW 6 | — |
| kJ | — | 1214 | 1075 | 4 | 196 | 74 | 55 | 113 | 111 | 1039 | 620 | 663 | 817 | 778 | 737 | 973 | 1060 | 556 | — | 24 | — |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 218 | 218 | 240 | 227 | 155 | 248 | 227 | 233 | 227 | 227 | 227 | 191 | 191 | 191 | 191 | 218 | 218 | 204 | 191 | 0 | 249 |
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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