Surf Forecasts:
Santos (Hachijojima Island) surf forecast from 9 Oct 2026:
- Best quality surf: Wednesday 14 Oct, 12AM (local time) - 5.5ft (1.7m), 8s period, NE swell with cross-offshore winds.
- Most powerful swell: Saturday 10 Oct, 9AM (local time) - 10ft (3.0m), 13s period, E swell with 3,032 kJ wave energy.
- Next surfable swell (1★+): Wednesday 14 Oct, 12AM (local time) - 5.5ft (1.7m), 8s 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 Wednesday (Oct 14) at 12AM. The primary swell is predicted to be 1.7m and 8s period with a secondary swell of 1.1m and 10s. 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 3.0m 13s and forecast to arrive on Saturday (Oct 10) at 9AM. Winds are predicted to be cross-onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.9m 7s period and expected on Thursday (Oct 15) at 9PM.
| Wave Type | Time (JST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 12AM (Wed 14th Oct) | 5.5ft (1.7m) 8s |
| Best Surf | 12AM (Wed 14th Oct) | 5.5ft (1.7m) 8s |
| Most Powerful | 9AM (Sat 10th Oct) | 10ft (3.0m) 13s |
Table - best surf conditions forecast for Santos (Hachijojima Island) over the next 16 days.
Short Range ForecastMostly dry. Warm (max 24°C on Sat night, min 22°C on Fri morning). Mainly fresh winds. | Days 4-6 Weather SummaryLight rain (total 8mm), mostly falling on Wed night. Warm (max 24°C on Mon morning, min 23°C on Mon morning). Winds decreasing (strong winds from the NNE on Mon afternoon, calm by Wed night). | ||||||||||||||||||||
Friday 9 | Saturday 10 | Sunday 11 | Monday 12 | Tuesday 13 | Wednesday 14 | Thursday 15 | |||||||||||||||
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 17 | E 16 | E 14 | E 13 | E 12 | E 12 | ENE 11 | ENE 11 | ENE 10 | NE 10 | NE 9 | NE 9 | ESE 12 | NE 8 | NE 8 | NE 9 | ENE 9 | ENE 10 | ENE 12 | ENE 12 | NE 12 |
Wave Graph  | |||||||||||||||||||||
 kJ | 1526 | 1626 | 1229 | 3032 | 2891 | 2834 | 2202 | 2225 | 1640 | 1807 | 1624 | 1351 | 978 | 596 | 400 | 282 | 264 | 370 | 692 | 835 | 897 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross-on | cross-on | cross-on | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross-off | cross-off | cross-off | off | cross-on | cross-on | cross |
High Tide | 4:34PM1.65m | 4:43AM1.69m | 4:54PM1.72m | 5:27AM1.70m | 5:12PM1.76m | 6:08AM1.67m | 5:29PM1.76m | 6:47AM1.61m | 5:46PM1.74m | 7:27AM1.54m | 6:03PM1.69m | 8:09AM1.46m | 6:21PM1.63m | ||||||||
Low Tide | 10:14AM0.58m | 10:34PM0.67m | 10:47AM0.68m | 11:09PM0.57m | 11:16AM0.80m | 11:41PM0.49m | 11:41AM0.91m | 00:12AM0.46m | 12:04PM1.01m | 00:41AM0.45m | 12:26PM1.08m | 1:12AM0.47m | 12:47PM1.13m | 1:47AM0.51m | |||||||
 | |  |  |  | | | | | | | |  | |  | | |  | | | | |
 | 5:39 | — | — | 5:39 | — | — | 5:41 | — | — | 5:41 | — | — | 5:41 | — | — | 5:43 | — | — | 5:43 | — | — |
 | — | 5:15 | — | — | 5:14 | — | — | 5:13 | — | — | 5:12 | — | — | 5:10 | — | — | 5:08 | — | — | 5:07 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | 1 | — | — | — | — | 7 | — | — | — |
Temp °C | 23 | 23 | 23 | 23 | 23 | 24 | 24 | 24 | 24 | 24 | 23 | 23 | 23 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 |
Feels °C | 18 | 18 | 18 | 17 | 17 | 19 | 20 | 21 | 21 | 18 | 17 | 18 | 18 | 21 | 23 | 23 | 22 | 23 | 25 | 26 | 26 |
Swell 1 Height (m) Direction Period (s) | E 17 | E 16 | E 14 | — | N 15 | E 12 | SE 19 | SE 16 | SE 15 | SE 14 | SE 13 | SE 12 | ESE 12 | ESE 11 | NE 8 | NE 9 | ENE 9 | ENE 10 | ENE 12 | ENE 12 | NE 12 |
| kJ | 1526 | 1626 | 1229 | — | 5 | 2834 | 57 | 267 | 1020 | 1186 | 991 | 874 | 756 | 359 | 400 | 249 | 264 | 370 | 692 | 835 | 897 |
Swell 2 Height (m) Direction Period (s) | ESE 8 | SE 11 | — | — | — | NE 13 | ENE 13 | ESE 13 | — | — | — | ENE 14 | — | — | ESE 10 | E 9 | NE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 8 |
| kJ | 99 | 19 | — | — | — | 7 | 18 | 17 | — | — | — | 18 | — | — | 250 | 282 | 138 | 70 | 67 | 67 | 48 |
Swell 3 Height (m) Direction Period (s) | SE 11 | — | — | — | — | — | SE 15 | — | — | — | — | — | — | — | — | — | ESE 9 | E 16 | NW 4 | NW 5 | ESE 8 |
| kJ | 20 | — | — | — | — | — | 8 | — | — | — | — | — | — | — | — | — | 54 | 5 | 5 | 3 | 48 |
Wind waves Height (m) Direction Period (s) | ENE 6 | ENE 8 | ENE 7 | E 13 | E 12 | — | ENE 11 | ENE 11 | ENE 10 | NE 10 | NE 9 | NE 9 | NE 8 | NE 8 | — | — | — | NW 4 | — | — | — |
| kJ | 220 | 422 | 299 | 3032 | 2891 | — | 2202 | 2225 | 1640 | 1807 | 1624 | 1351 | 978 | 596 | — | — | — | 3 | — | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 204 | 204 | 204 | 204 | 204 | 196 | 196 | 191 | 196 | 218 | 218 | 218 | 226 | 204 | 0 | 297 | 238 | 0 | 513 | 546 | 229 |
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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