Surf Forecasts:
Kaiser's (Hachijojima Island) surf forecast from 28 Oct 2026:
- Best quality surf: Friday 30 Oct, 3PM (local time) - 8ft (2.5m), 9s period, SE swell with offshore winds.
- Most powerful swell: Wednesday 4 Nov, 3PM (local time) - 10ft (3.0m), 16s period, S swell with 4,569 kJ wave energy.
- Next surfable swell (1★+): Friday 30 Oct, 3PM (local time) - 8ft (2.5m), 9s 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 30) at 3PM. The primary swell is predicted to be 2.5m and 9s period with a secondary swell of 0.4m and 15s. 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 16s and forecast to arrive on Wednesday (Nov 04) at 3PM. 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 Sunday (Nov 01) at 12AM.
| Wave Type | Time (JST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 3PM (Fri 30th Oct) | 8ft (2.5m) 9s |
| Best Surf | 3PM (Fri 30th Oct) | 8ft (2.5m) 9s |
| Most Powerful | 3PM (Wed 4th Nov) | 10ft (3.0m) 16s |
Table - best surf conditions forecast for Kaiser's (Hachijojima Island) over the next 16 days.
Short Range ForecastHeavy rain (total 41mm), heaviest during Fri morning. Warm (max 23°C on Thu night, min 19°C on Wed night). Winds increasing (light winds from the NW on Fri afternoon, strong winds from the WNW by Sat afternoon). | Days 5-7 Weather SummaryLight rain (total 4mm), mostly falling on Mon night. Warm (max 23°C on Sun night, min 20°C on Sat night). Winds decreasing (near gales from the WNW on Sat night, light winds from the NE by Tue morning). | ||||||||||||||||||
Thursday 29 | Friday 30 | Saturday 31 | Sunday 1 | Monday 2 | Tuesday 3 | ||||||||||||||
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 8 | NE 8 | ESE 7 | SE 8 | SE 9 | SE 9 | SE 9 | ESE 16 | ESE 15 | SE 15 | SE 14 | SSE 14 | SSE 14 | SSE 13 | SSE 13 | SSE 12 | S 12 | S 13 | S 14 |
Wave Graph  | |||||||||||||||||||
 kJ | 264 | 242 | 219 | 1168 | 1254 | 993 | 703 | 1956 | 1488 | 1547 | 1680 | 2230 | 2053 | 1210 | 931 | 437 | 869 | 835 | 2765 |
Wind (km/h) | |||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | on | cross-on | cross-on | cross | off | off | off | off | off | cross-off | cross-on | cross-on | cross-off | cross-off | cross-off | cross-on | cross-on | cross-on |
High Tide | 7:49AM1.53m | 6:04PM1.63m | 8:47AM1.42m | 6:36PM1.57m | 9:54AM1.31m | 7:14PM1.51m | 11:25AM1.25m | 8:06PM1.42m | 1:25PM1.26m | 9:43PM1.34m | 2:08PM1.32m | 00:09AM1.32m | |||||||
Low Tide | 00:45AM0.05m | 12:41PM1.05m | 1:31AM0.08m | 1:11PM1.12m | 2:24AM0.18m | 1:39PM1.17m | 3:28AM0.31m | 2:14PM1.21m | 4:47AM0.44m | 4:47PM1.23m | 6:09AM0.55m | 7:07PM1.13m | |||||||
 |  | |  |  | |  | |  |  | | | | | | | |  | | |
 | — | 5:54 | — | — | 5:56 | — | — | 5:56 | — | — | 5:56 | — | — | 5:58 | — | — | 5:58 | — | — |
 | — | — | 4:52 | — | — | 4:52 | — | — | 4:51 | — | — | 4:50 | — | — | 4:49 | — | — | 4:47 | — |
mm | 4 | 1 | 2 | 12 | 11 | 10 | — | 1 | — | — | — | — | — | — | — | 1 | 1 | 2 | 14 |
Temp °C | 20 | 20 | 21 | 23 | 23 | 21 | 23 | 22 | 21 | 21 | 22 | 22 | 23 | 22 | 22 | 23 | 22 | 21 | 21 |
Feels °C | 18 | 17 | 19 | 18 | 17 | 22 | 19 | 16 | 12 | 11 | 20 | 19 | 19 | 19 | 16 | 16 | 22 | 16 | 15 |
Swell 1 Height (m) Direction Period (s) | NE 8 | NE 8 | NNE 7 | SE 13 | NNE 8 | SE 9 | SE 9 | ESE 16 | ESE 15 | SE 15 | SE 14 | SSE 14 | SSE 14 | SSE 13 | SSE 13 | SSE 12 | S 12 | S 13 | S 14 |
| kJ | 264 | 242 | 108 | 82 | 7 | 993 | 703 | 1956 | 1488 | 1547 | 1680 | 2230 | 2053 | 1210 | 931 | 437 | 869 | 835 | 2765 |
Swell 2 Height (m) Direction Period (s) | WNW 7 | WNW 7 | ESE 8 | NNE 8 | N 16 | SE 15 | SE 14 | SE 19 | SE 18 | SSE 18 | WNW 7 | WNW 7 | NE 8 | E 8 | E 8 | S 14 | ESE 8 | S 15 | ESE 9 |
| kJ | 147 | 51 | 131 | 28 | 5 | 56 | 231 | 595 | 1000 | 1131 | 320 | 45 | 247 | 253 | 157 | 372 | 86 | 773 | 162 |
Swell 3 Height (m) Direction Period (s) | ESE 10 | SE 14 | SE 13 | NNE 10 | — | NNE 12 | SE 20 | NNE 11 | NNE 11 | NNE 11 | SSE 17 | NE 12 | NE 12 | SE 9 | SE 9 | E 9 | E 8 | W 6 | NNE 13 |
| kJ | 63 | 91 | 87 | 10 | — | 15 | 239 | 12 | 13 | 12 | 1000 | 38 | 35 | 70 | 65 | 97 | 51 | 41 | 35 |
Wind waves Height (m) Direction Period (s) | — | ESE 6 | ESE 7 | SE 8 | SE 9 | NNE 12 | — | WNW 5 | WNW 6 | NW 8 | — | ENE 7 | ESE 7 | — | SW 4 | WSW 4 | WNW 6 | NE 6 | NE 8 |
| kJ | — | 117 | 219 | 1168 | 1254 | 52 | — | 52 | 262 | 994 | — | 384 | 414 | — | 16 | 29 | 70 | 261 | 952 |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 231 | 297 | 208 | 152 | 152 | 0 | 0 | 237 | 204 | 195 | 204 | 191 | 191 | 228 | 249 | 204 | 218 | 218 | 218 |
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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