Surf Forecasts:
Santos (Hachijojima Island) surf forecast from 5 Aug 2026:
- Best quality surf: Tuesday 11 Aug, 12PM (local time) - 13ft (4.0m), 11s period, NE swell with offshore winds.
- Most powerful swell: Tuesday 11 Aug, 3PM (local time) - 15ft (4.5m), 11s period, NE swell with 4,849 kJ wave energy.
- Next surfable swell (1★+): Tuesday 11 Aug, 12PM (local time) - 13ft (4.0m), 11s 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 Tuesday (Aug 11) at 12PM. The primary swell is predicted to be 4.0m and 11s period with a secondary swell of 0.1m and 13s. The wind is predicted to be offshore as the swell arrives.
The most powerful waves expected at Santos (Hachijojima Island) in the next 16 days are 4.5m 11s and forecast to arrive on Tuesday (Aug 11) at 3PM. Winds are predicted to be offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 2.2m 13s period and expected on Saturday (Aug 08) at 12PM.
| Wave Type | Time (JST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 12PM (Tue 11th Aug) | 13ft (4.0m) 11s |
| Best Surf | 12PM (Tue 11th Aug) | 13ft (4.0m) 11s |
| Most Powerful | 3PM (Tue 11th Aug) | 15ft (4.5m) 11s |
Table - best surf conditions forecast for Santos (Hachijojima Island) over the next 16 days.
Short Range ForecastLight rain (total 3mm), mostly falling on Fri night. Warm (max 28°C on Thu morning, min 26°C on Sat night). Mainly fresh winds. | Days 4-6 Weather SummaryLight rain (total 5mm), mostly falling on Tue night. Warm (max 28°C on Tue night, min 26°C on Sun morning). Winds decreasing (fresh winds from the NNE on Mon morning, light winds from the WNW by Tue morning). | ||||||||||||||||||||
Thursday 6 | Friday 7 | Saturday 8 | Sunday 9 | Monday 10 | Tuesday 11 | Wednesday 12 | |||||||||||||||
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 13 | S 13 | SSW 12 | SSW 12 | ESE 10 | ESE 12 | ESE 12 | E 13 | E 13 | E 13 | E 12 | E 12 | ENE 11 | NE 10 | NE 10 | NE 11 | NE 10 | NE 9 | E 11 | E 12 |
Wave Graph  | |||||||||||||||||||||
 kJ | 3300 | 4070 | 2453 | 1444 | 1315 | 426 | 480 | 794 | 1397 | 1543 | 1461 | 1179 | 1269 | 1261 | 1768 | 2660 | 4849 | 3424 | 1884 | 1107 | 1346 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | on | on | on | on | on | on | on | on | on | cross-on | cross-on | cross-on | cross | cross | cross | cross | off | off | cross-off | cross-off | cross-off |
High Tide | 10:52AM1.11m | 9:43PM1.40m | 1:56PM1.09m | 10:27PM1.34m | 3:44PM1.19m | 11:40PM1.29m | 4:29PM1.28m | 1:26AM1.30m | 5:04PM1.36m | 2:48AM1.38m | 5:36PM1.42m | 3:50AM1.48m | 6:05PM1.47m | ||||||||
Low Tide | 3:26PM0.94m | 5:48AM0.42m | 4:20PM1.07m | 7:12AM0.27m | 6:58PM1.15m | 8:23AM0.11m | 8:54PM1.11m | 9:23AM-0.01m | 9:49PM1.04m | 10:14AM-0.07m | 10:32PM0.96m | 11:01AM-0.06m | 11:11PM0.89m | ||||||||
 | |  | | |  |  | | | | |  |  |  |  | | | | | |  | |
 | 4:56 | — | — | 4:56 | — | — | 4:58 | — | — | 4:58 | — | — | 4:58 | — | — | 5:00 | — | — | 5:00 | — | — |
 | — | 6:36 | — | — | 6:35 | — | — | 6:34 | — | — | 6:32 | — | — | 6:31 | — | — | 6:30 | — | — | 6:30 | — |
mm | — | — | — | — | — | 2 | 1 | — | — | — | — | — | — | — | — | — | — | 5 | 3 | 2 | 3 |
Temp °C | 28 | 28 | 28 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 26 | 27 | 27 | 26 | 26 | 27 | 28 | 28 | 28 | 28 |
Feels °C | 29 | 29 | 29 | 27 | 27 | 27 | 28 | 27 | 28 | 27 | 27 | 25 | 25 | 25 | 24 | 26 | 26 | 27 | 28 | 30 | 29 |
Swell 1 Height (m) Direction Period (s) | S 13 | S 13 | S 13 | SSW 12 | SSW 12 | SSW 12 | SSW 12 | SW 13 | SW 13 | E 13 | SW 14 | WSW 14 | E 12 | ENE 11 | WSW 14 | SW 14 | SW 13 | SW 12 | SW 12 | E 11 | E 12 |
| kJ | 3300 | 4070 | 2453 | 1444 | 1315 | 1125 | 1177 | 1471 | 1544 | 1543 | 1876 | 1644 | 1269 | 1261 | 1005 | 1319 | 1144 | 645 | 494 | 1107 | 1346 |
Swell 2 Height (m) Direction Period (s) | ENE 16 | ENE 16 | ENE 16 | ENE 15 | ENE 15 | ESE 10 | ESE 12 | ESE 12 | E 13 | SW 14 | E 13 | E 12 | SW 14 | WSW 14 | SSW 12 | ENE 12 | SE 13 | ESE 13 | E 11 | SW 12 | NNE 8 |
| kJ | 51 | 51 | 82 | 72 | 73 | 426 | 480 | 794 | 1397 | 1273 | 1461 | 1179 | 1214 | 1005 | 233 | 237 | 7 | 35 | 307 | 376 | 412 |
Swell 3 Height (m) Direction Period (s) | — | ENE 16 | SE 13 | — | SSE 12 | ENE 15 | SSE 8 | SSE 7 | — | SSW 12 | SSW 11 | SSW 12 | SSW 11 | SSW 10 | — | SSE 13 | — | — | E 15 | SW 12 | SW 11 |
| kJ | — | 51 | 7 | — | 15 | 84 | 56 | 35 | — | 349 | 320 | 355 | 263 | 191 | — | 17 | — | — | 40 | 376 | 268 |
Wind waves Height (m) Direction Period (s) | E 10 | E 10 | ESE 10 | ESE 9 | ESE 9 | SSE 8 | — | — | — | — | — | — | — | — | NE 10 | NE 10 | NE 11 | NE 10 | NE 9 | NNE 8 | — |
| kJ | 663 | 653 | 712 | 723 | 632 | 103 | — | — | — | — | — | — | — | — | 1768 | 2660 | 4849 | 3424 | 1884 | 987 | — |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 204 | 191 | 191 | 191 | 191 | 191 | 191 | 191 | 191 | 191 | 191 | 204 | 218 | 191 | 204 | 152 | 0 | 155 | 196 | 0 | 152 |
Best forecast wave conditions in Izu Islands | |||||||||||||||||||||
Best forecast wave conditions in Japan | |||||||||||||||||||||
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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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