Surf Forecasts:
Santos (Hachijojima Island) surf forecast from 17 Jun 2026:
- Best quality surf: Sunday 21 Jun, 9PM (local time) - 6ft (1.8m), 10s period, NE swell with cross-offshore winds.
- Most powerful swell: Wednesday 24 Jun, 12PM (local time) - 8ft (2.4m), 10s period, NNE swell with 1,079 kJ wave energy.
- Next surfable swell (1★+): Saturday 20 Jun, 3AM (local time) - 1.5ft (0.5m), 9s period with NE swell.
Best Forecast Surf Conditions for Santos (Hachijojima Island) this week:
The surf forecast for Santos (Hachijojima Island) over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Saturday (Jun 20) at 3AM. The primary swell is predicted to be 0.5m and 9s period. The wind is predicted to be cross-offshore as the swell arrives.
The most powerful waves expected at Santos (Hachijojima Island) in the next 16 days are 2.4m 10s and forecast to arrive on Wednesday (Jun 24) at 12PM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 3.0m 8s period and expected on Thursday (Jun 18) at 12PM.
| Wave Type | Time (JST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 3AM (Sat 20th Jun) | 1.5ft (0.5m) 9s |
| Best Surf | 9PM (Sun 21st Jun) | 6ft (1.8m) 10s |
| Most Powerful | 12PM (Wed 24th Jun) | 8ft (2.4m) 10s |
Table - best surf conditions forecast for Santos (Hachijojima Island) over the next 16 days.
Updates in hr min s Forecast update imminent
Short Range ForecastHeavy rain (total 60mm), heaviest during Wed night. Warm (max 24°C on Thu morning, min 22°C on Wed night). Winds decreasing (near gales from the S on Wed night, calm by Fri night). | Days 5-7 Weather SummaryHeavy rain (total 35mm), heaviest during Sat night. Warm (max 24°C on Sun morning, min 22°C on Sun night). Winds decreasing (strong winds from the WSW on Sun morning, light winds from the WNW by Sun night). | ||||||||||||||||||||
Thursday 18 | Friday 19 | Saturday 20 | Sunday 21 | Monday 22 | Tuesday 23 | Wed 24 | |||||||||||||||
Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | |
Swell Height Map |  |  |  |  |  |  |  |  | |||||||||||||
Wave Height (m) Direction Period (s) | ENE 10 | SSW 7 | NE 10 | NE 9 | ENE 9 | NE 9 | NE 9 | SE 10 | SE 10 | NE 10 | NE 10 | NE 10 | NE 10 | NE 9 | ENE 9 | ENE 10 | NE 10 | NE 10 | NE 9 | NNE 10 | NNE 10 |
Wave Graph  | |||||||||||||||||||||
 kJ | 251 | 769 | 94 | 71 | 58 | 40 | 39 | 34 | 44 | 110 | 200 | 341 | 887 | 794 | 704 | 576 | 384 | 269 | 211 | 1035 | 1071 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | cross | off | cross-off | cross-off | cross-off | cross-off | glassy | cross-off | cross-off | cross-off | cross-off | off | cross-off | off | cross-off | off | off | cross-off | cross-off | cross-off |
High Tide | 6:15AM1.48m | 8:51PM1.34m | 7:08AM1.45m | 9:29PM1.32m | 8:06AM1.39m | 10:05PM1.33m | 9:11AM1.31m | 10:40PM1.36m | 10:29AM1.23m | 11:15PM1.40m | 12:11PM1.16m | 11:55PM1.43m | 2:15PM1.16m | ||||||||
Low Tide | 00:55AM0.96m | 1:41PM-0.05m | 1:38AM0.96m | 2:29PM0.15m | 2:30AM0.95m | 3:15PM0.36m | 3:36AM0.93m | 4:00PM0.57m | 4:54AM0.88m | 4:43PM0.75m | 6:15AM0.79m | 5:27PM0.90m | 7:29AM0.66m | ||||||||
 |  |  | | |  | |  |  |  | |  |  | | | |  | |  | | | |
 | — | 4:31 | — | — | 4:31 | — | — | 4:31 | — | — | 4:31 | — | — | 4:31 | — | — | 4:31 | — | — | 4:31 | — |
 | 6:51 | — | 6:51 | — | — | 6:51 | — | — | 6:52 | — | — | 6:52 | — | — | 6:52 | — | — | 6:52 | — | — | 6:52 |
mm | 35 | 3 | — | 1 | — | — | 1 | 8 | 12 | 18 | 8 | 5 | 3 | — | — | 1 | — | — | — | — | — |
Temp °C | 23 | 24 | 22 | 23 | 23 | 24 | 23 | 22 | 22 | 23 | 24 | 24 | 23 | 22 | 23 | 23 | 23 | 23 | 23 | 21 | 21 |
Feels °C | 17 | 18 | 20 | 23 | 24 | 26 | 23 | 26 | 23 | 24 | 21 | 23 | 25 | 23 | 24 | 25 | 22 | 20 | 22 | 19 | 20 |
Swell 1 Height (m) Direction Period (s) | ENE 10 | NE 10 | NE 10 | NE 9 | ENE 9 | NE 9 | WSW 8 | WSW 7 | WSW 7 | NE 10 | NE 10 | NE 10 | NE 10 | NE 9 | ENE 9 | ENE 10 | NE 10 | NE 10 | NE 9 | NNE 10 | NNE 10 |
| kJ | 251 | 134 | 94 | 71 | 58 | 40 | 310 | 131 | 73 | 110 | 200 | 341 | 887 | 794 | 704 | 576 | 384 | 269 | 211 | 1035 | 1071 |
Swell 2 Height (m) Direction Period (s) | SSE 10 | SE 16 | SE 9 | N 6 | SE 10 | SE 10 | NE 9 | SE 10 | SE 10 | SE 9 | SE 9 | SE 9 | WSW 8 | WSW 8 | SW 8 | SE 11 | SE 11 | SE 10 | SW 7 | W 7 | SE 11 |
| kJ | 10 | 10 | 22 | 15 | 26 | 35 | 39 | 34 | 44 | 29 | 41 | 54 | 388 | 175 | 140 | 59 | 59 | 35 | 65 | 71 | 56 |
Swell 3 Height (m) Direction Period (s) | SE 16 | — | ESE 10 | SE 10 | ESE 8 | SE 13 | SE 10 | ENE 8 | NE 8 | NE 4 | SE 11 | — | SE 10 | SE 10 | SE 10 | — | S 9 | SE 12 | SE 10 | SE 11 | WSW 7 |
| kJ | 10 | — | 10 | 26 | 7 | 7 | 34 | 28 | 35 | 3 | 19 | — | 61 | 49 | 49 | — | 2 | 23 | 53 | 71 | 19 |
Wind waves Height (m) Direction Period (s) | SSW 8 | SSW 7 | SW 8 | SW 8 | SW 8 | SW 7 | — | — | SE 3 | SW 7 | WSW 8 | WSW 8 | — | — | — | SW 8 | WSW 7 | W 7 | WNW 7 | — | — |
| kJ | 345 | 769 | 1261 | 428 | 275 | 235 | — | — | 2 | 128 | 800 | 763 | — | — | — | 364 | 200 | 356 | 142 | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 204 | 227 | 155 | 196 | 155 | 191 | 155 | 0 | 238 | 152 | 227 | 227 | 0 | 0 | 0 | 155 | 0 | 196 | 196 | 196 | 231 |
Best forecast wave conditions in Izu Islands | |||||||||||||||||||||
Best forecast wave conditions in Japan | |||||||||||||||||||||
Header Global | |||||||||||||||||||||
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Information about the Santos (Hachijojima Island) Surf forecast
The above surf forecast table for Santos (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 Santos (Hachijojima Island) can be found by selecting the local surf guide option on the grey menu. Our Santos (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 (Santos (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 Santos (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.
Santos (Hachijojima Island) is 192 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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