Surf Forecasts:
Kaiser's (Hachijojima Island) surf forecast from 20 Oct 2026:
- Best quality surf: Sunday 25 Oct, 12PM (local time) - 4ft (1.2m), 8s period, ESE swell with offshore winds.
- Most powerful swell: Thursday 22 Oct, 12AM (local time) - 7ft (2.1m), 15s period, S swell with 1,920 kJ wave energy.
- Next surfable swell (1★+): Sunday 25 Oct, 12PM (local time) - 4ft (1.2m), 8s period with ESE 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 Sunday (Oct 25) at 12PM. The primary swell is predicted to be 1.2m and 8s period. 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 2.1m 15s and forecast to arrive on Thursday (Oct 22) 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 2.4m 16s period and expected on Saturday (Oct 24) at 3PM.
| Wave Type | Time (JST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 12PM (Sun 25th Oct) | 4ft (1.2m) 8s |
| Best Surf | 12PM (Sun 25th Oct) | 4ft (1.2m) 8s |
| Most Powerful | 12AM (Thu 22nd Oct) | 7ft (2.1m) 15s |
Table - best surf conditions forecast for Kaiser's (Hachijojima Island) over the next 16 days.
Short Range ForecastModerate rain (total 14mm), heaviest on Fri night. Warm (max 26°C on Wed morning, min 20°C on Thu night). Mainly near gales. | Days 4-6 Weather SummaryHeavy rain (total 26mm), heaviest during Sat morning. Warm (max 25°C on Sat afternoon, min 23°C on Sat morning). Winds increasing (calm on Mon morning, strong winds from the SW by Mon night). | ||||||||||||||||||||
Wednesday 21 | Thursday 22 | Friday 23 | Saturday 24 | Sunday 25 | Monday 26 | Tuesday 27 | |||||||||||||||
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) | S 13 | S 14 | S 15 | S 13 | S 13 | S 13 | ENE 8 | ENE 8 | ESE 8 | ESE 8 | ESE 8 | E 8 | ESE 8 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 10 |
Wave Graph  | |||||||||||||||||||||
 kJ | 704 | 1028 | 1920 | 1391 | 917 | 835 | 1769 | 1032 | 522 | 744 | 589 | 309 | 240 | 203 | 188 | 158 | 158 | 146 | 96 | 98 | 103 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | cross-off | cross-off | off | off | cross-on | cross-on | cross-on | on | cross-on | cross-off | cross-off | cross-off | off | cross-on | glassy | cross-off | cross-off | cross-off | cross-off | off |
High Tide | 3:04PM1.47m | 1:51AM1.39m | 3:21PM1.53m | 2:49AM1.49m | 3:38PM1.58m | 3:40AM1.58m | 3:57PM1.64m | 4:27AM1.64m | 4:18PM1.68m | 5:16AM1.68m | 4:42PM1.70m | 6:05AM1.67m | 5:08PM1.70m | ||||||||
Low Tide | 8:34PM1.08m | 8:30AM0.66m | 9:06PM0.93m | 9:10AM0.67m | 9:38PM0.76m | 9:46AM0.70m | 10:11PM0.56m | 10:22AM0.75m | 10:47PM0.37m | 10:58AM0.81m | 11:24PM0.20m | 11:34AM0.89m | 00:03AM0.09m | ||||||||
 | |  |  |  | |  | |  |  | |  | | |  | | |  | | | | |
 | 5:48 | — | — | 5:48 | — | — | 5:50 | — | — | 5:50 | — | — | 5:52 | — | — | 5:52 | — | — | 5:52 | — | — |
 | — | 5:00 | — | — | 5:00 | — | — | 4:59 | — | — | 4:58 | — | — | 4:57 | — | — | 4:55 | — | — | 4:54 | — |
mm | — | — | 2 | — | — | 2 | 1 | — | 9 | 23 | 1 | — | 1 | — | — | — | — | 1 | — | 5 | — |
Temp °C | 26 | 26 | 26 | 22 | 23 | 23 | 20 | 21 | 22 | 23 | 25 | 25 | 23 | 24 | 23 | 23 | 24 | 25 | 25 | 25 | 23 |
Feels °C | 24 | 24 | 24 | 19 | 18 | 22 | 12 | 14 | 17 | 21 | 25 | 25 | 23 | 24 | 24 | 26 | 24 | 21 | 19 | 21 | 13 |
Swell 1 Height (m) Direction Period (s) | S 13 | S 14 | S 15 | S 13 | S 13 | S 13 | SSW 14 | SSW 14 | SSW 14 | ESE 8 | SW 16 | SW 15 | SW 14 | SW 14 | SW 13 | SW 12 | SW 12 | ESE 9 | ESE 9 | ESE 9 | W 7 |
| kJ | 704 | 1028 | 1920 | 1391 | 917 | 835 | 1122 | 1189 | 1210 | 744 | 2768 | 2390 | 1572 | 975 | 591 | 373 | 324 | 146 | 96 | 98 | 270 |
Swell 2 Height (m) Direction Period (s) | SE 8 | S 17 | ESE 9 | W 7 | SSW 16 | SSW 16 | SW 15 | — | NE 7 | SW 15 | ESE 8 | E 8 | ESE 8 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | N 10 | NE 5 | SW 10 | ESE 10 |
| kJ | 171 | 659 | 94 | 179 | 441 | 397 | 523 | — | 122 | 1925 | 589 | 309 | 240 | 203 | 188 | 158 | 158 | 2 | 1 | 23 | 103 |
Swell 3 Height (m) Direction Period (s) | S 18 | SE 9 | — | SE 9 | SE 9 | WNW 7 | — | — | — | — | — | — | N 11 | N 12 | NNE 5 | NE 5 | NE 5 | SE 14 | S 13 | NE 6 | NNE 6 |
| kJ | 399 | 168 | — | 86 | 128 | 66 | — | — | — | — | — | — | 2 | 3 | 7 | 11 | 9 | 8 | 4 | 2 | 4 |
Wind waves Height (m) Direction Period (s) | SW 5 | SW 5 | SW 6 | — | WNW 6 | NE 8 | ENE 8 | ENE 8 | ESE 8 | — | — | — | — | W 4 | — | — | WSW 3 | WSW 6 | WSW 7 | WSW 7 | — |
| kJ | 65 | 96 | 244 | — | 132 | 717 | 1769 | 1032 | 522 | — | — | — | — | 21 | — | — | 7 | 190 | 423 | 448 | — |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 497 | 497 | 495 | 195 | 237 | 249 | 204 | 237 | 191 | 218 | 494 | 196 | 195 | 0 | 204 | 0 | 191 | 237 | 253 | 218 | 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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