Surf Forecasts:
Kaiser's (Hachijojima Island) surf forecast from 11 Jul 2026:
- Best quality surf: Wednesday 15 Jul, 3PM (local time) - 2.5ft (0.7m), 9s period, E swell with glassy winds.
- Most powerful swell: Saturday 18 Jul, 3AM (local time) - 15ft (4.5m), 13s period, ESE swell with 7,171 kJ wave energy.
- Next surfable swell (1★+): Wednesday 15 Jul, 3PM (local time) - 2.5ft (0.7m), 9s 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 (Jul 15) at 3PM. The primary swell is predicted to be 0.7m and 9s period. 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 13s and forecast to arrive on Saturday (Jul 18) at 3AM. 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 16s period and expected on Sunday (Jul 12) at 6AM.
| Wave Type | Time (JST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 3PM (Wed 15th Jul) | 2.5ft (0.7m) 9s |
| Best Surf | 3PM (Wed 15th Jul) | 2.5ft (0.7m) 9s |
| Most Powerful | 3AM (Sat 18th Jul) | 15ft (4.5m) 13s |
Table - best surf conditions forecast for Kaiser's (Hachijojima Island) over the next 16 days.
Short Range ForecastLight rain (total 9mm), mostly falling on Mon night. Warm (max 29°C on Mon morning, min 25°C on Tue night). Winds decreasing (strong winds from the WSW on Sun night, light winds from the NNE by Mon night). | Days 4-6 Weather SummarySome drizzle, heaviest during Fri night. Warm (max 27°C on Thu afternoon, min 26°C on Wed morning). Winds increasing (calm on Wed afternoon, strong winds from the ENE by Fri night). | ||||||||||||||||||||
Sunday 12 | Monday 13 | Tuesday 14 | Wednesday 15 | Thursday 16 | Friday 17 | Saturday 18 | |||||||||||||||
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) | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | ENE 3 | E 10 | E 10 | E 10 | E 9 | E 9 | E 9 | E 9 | E 8 | E 9 | E 9 | ESE 14 | ESE 11 | ESE 10 | ESE 9 |
Wave Graph  | |||||||||||||||||||||
 kJ | 56 | 56 | 61 | 41 | 40 | 26 | 3 | 46 | 65 | 67 | 81 | 97 | 117 | 120 | 115 | 120 | 264 | 5807 | 3862 | 2033 | 1032 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross-off | cross-off | cross-off | off | cross | cross-on | cross-on | cross-on | on | glassy | on | cross-on | cross-on | cross-on | on | cross-on | cross-on | on | on | on |
High Tide | 5:06PM1.37m | 2:49AM1.36m | 5:50PM1.42m | 3:47AM1.42m | 6:30PM1.44m | 4:40AM1.49m | 7:07PM1.45m | 5:31AM1.53m | 7:41PM1.44m | 6:22AM1.55m | 8:11PM1.45m | 7:13AM1.52m | 8:39PM1.47m | ||||||||
Low Tide | 9:31AM-0.08m | 9:58PM1.01m | 10:22AM-0.21m | 10:46PM0.98m | 11:11AM-0.25m | 11:27PM0.94m | 11:57AM-0.20m | 00:06AM0.90m | 12:42PM-0.08m | 00:46AM0.88m | 1:24PM0.11m | 1:29AM0.85m | 2:02PM0.32m | 2:16AM0.83m | |||||||
 |  |  |  | |  | | |  |  | |  | | | | | |  | | | | |
 | 4:39 | — | — | 4:41 | — | — | 4:41 | — | — | 4:41 | — | — | 4:41 | — | — | 4:43 | — | — | 4:43 | — | — |
 | — | 6:51 | — | — | 6:51 | — | — | 6:51 | — | — | 6:50 | — | — | 6:50 | — | — | 6:49 | — | — | 6:49 | — |
mm | — | — | — | 4 | 1 | 4 | — | — | — | — | — | — | — | — | — | — | — | 1 | 2 | — | — |
Temp °C | 26 | 26 | 27 | 29 | 29 | 28 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 26 |
Feels °C | 27 | 27 | 27 | 27 | 27 | 30 | 27 | 28 | 28 | 30 | 30 | 28 | 29 | 29 | 28 | 29 | 28 | 26 | 25 | 26 | 25 |
Swell 1 Height (m) Direction Period (s) | SW 16 | SW 16 | SW 14 | SW 12 | SW 12 | SW 12 | SSW 10 | SW 10 | SW 10 | SW 9 | SW 9 | E 9 | E 9 | E 9 | E 8 | E 9 | SE 8 | SW 11 | SW 10 | SW 10 | SW 10 |
| kJ | 5800 | 4657 | 2534 | 1095 | 747 | 812 | 225 | 256 | 160 | 138 | 114 | 97 | 117 | 120 | 115 | 120 | 86 | 56 | 26 | 25 | 15 |
Swell 2 Height (m) Direction Period (s) | E 9 | E 9 | E 9 | E 9 | E 9 | NW 5 | SW 11 | SW 10 | E 10 | E 10 | E 9 | SW 8 | SW 8 | SW 8 | SW 9 | SE 7 | SW 11 | — | — | — | S 8 |
| kJ | 56 | 56 | 58 | 41 | 40 | 29 | 123 | 106 | 65 | 67 | 81 | 57 | 34 | 35 | 41 | 44 | 63 | — | — | — | 1 |
Swell 3 Height (m) Direction Period (s) | SE 11 | SE 10 | SE 13 | SE 11 | WSW 15 | E 9 | W 6 | E 10 | WSW 10 | SE 9 | SE 9 | SW 9 | SW 8 | SE 10 | SE 10 | WSW 10 | SE 12 | — | — | — | — |
| kJ | 29 | 26 | 61 | 31 | 84 | 26 | 33 | 46 | 64 | 13 | 14 | 20 | 18 | 15 | 15 | 37 | 37 | — | — | — | — |
Wind waves Height (m) Direction Period (s) | — | — | — | WSW 5 | W 6 | W 6 | ENE 3 | — | E 3 | — | — | — | — | — | SE 4 | — | E 9 | ESE 14 | ESE 11 | ESE 10 | ESE 9 |
| kJ | — | — | — | 87 | 94 | 89 | 3 | — | 1 | — | — | — | — | — | 10 | — | 264 | 5807 | 3862 | 2033 | 1032 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 233 | 233 | 195 | 152 | 152 | 191 | 191 | 195 | 152 | 195 | 0 | 195 | 195 | 248 | 152 | 155 | 191 | 204 | 204 | 226 | 191 |
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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