Surf Forecasts:
Santos (Hachijojima Island) surf forecast from 5 Aug 2026:
- Most powerful swell: Wednesday 5 Aug, 6PM (local time) - 15ft (4.5m), 13s period, SE swell with 6,566 kJ wave energy.
Best Forecast Surf Conditions for Santos (Hachijojima Island) this week:
The most powerful waves expected at Santos (Hachijojima Island) in the next 16 days are 4.5m 13s and forecast to arrive on Wednesday (Aug 05) at 6PM. Winds are predicted to be cross-onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 2.5m 13s period and expected on Friday (Aug 07) at 12PM.
| Wave Type | Time (JST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | - | - |
| Best Surf | - | - |
| Most Powerful | 6PM (Wed 5th Aug) | 15ft (4.5m) 13s |
Table - best surf conditions forecast for Santos (Hachijojima Island) over the next 16 days.
Short Range ForecastLight rain (total 2mm), mostly falling on Thu night. Warm (max 28°C on Wed morning, min 27°C on Wed morning). Mainly strong winds. | Days 4-6 Weather SummaryLight rain (total 7mm), mostly falling on Mon night. Warm (max 27°C on Sat morning, min 26°C on Sun night). Winds increasing (moderate winds from the E on Sat night, near gales from the NNE by Mon night). | ||||||||||||||||||||
Wednesday 5 | Thursday 6 | Friday 7 | Saturday 8 | Sunday 9 | Monday 10 | Tuesday 11 | |||||||||||||||
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) | SE 15 | SE 14 | SSE 13 | S 12 | S 13 | S 13 | SSW 13 | SE 9 | ESE 9 | ESE 12 | ESE 12 | E 13 | E 14 | E 13 | E 13 | ENE 12 | E 12 | NE 12 | ENE 11 | ENE 11 | E 11 |
Wave Graph  | |||||||||||||||||||||
 kJ | 10553 | 7991 | 3870 | 2732 | 3838 | 3471 | 2691 | 743 | 523 | 505 | 876 | 1443 | 1710 | 1553 | 1442 | 1757 | 2046 | 4269 | 1731 | 1167 | 988 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross-on | on | on | on | on | on | on | on | on | on | on | cross-on | cross-on | cross-on | cross | cross | cross | cross | cross | cross |
High Tide | 9:20AM1.24m | 9:11PM1.46m | 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 | ||||||||
Low Tide | 2:50PM0.79m | 4:27AM0.54m | 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 | ||||||||
 | |  | | |  | | | |  | |  |  | | |  | |  | | | | |
 | 4:56 | — | — | 4:56 | — | — | 4:56 | — | — | 4:58 | — | — | 4:58 | — | — | 4:58 | — | — | 5:00 | — | — |
 | — | 6:37 | — | — | 6:36 | — | — | 6:35 | — | — | 6:34 | — | — | 6:32 | — | — | 6:31 | — | — | 6:30 | — |
mm | — | — | — | — | — | 2 | — | — | — | 2 | — | — | — | — | — | — | — | 5 | — | 2 | 3 |
Temp °C | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 |
Feels °C | 27 | 27 | 28 | 28 | 28 | 28 | 27 | 27 | 26 | 26 | 26 | 27 | 25 | 26 | 25 | 23 | 23 | 22 | 22 | 23 | 21 |
Swell 1 Height (m) Direction Period (s) | SE 15 | SE 14 | SSE 13 | S 12 | S 13 | S 13 | SSW 13 | SSW 13 | SSW 13 | SSW 13 | SSW 13 | SW 13 | SW 14 | SW 15 | SW 15 | WSW 14 | E 12 | WSW 14 | ENE 11 | ENE 11 | E 11 |
| kJ | 10553 | 7991 | 3870 | 2732 | 3838 | 3471 | 2691 | 2454 | 1862 | 2121 | 1990 | 2200 | 2004 | 2736 | 2276 | 1644 | 2046 | 1553 | 1731 | 1167 | 988 |
Swell 2 Height (m) Direction Period (s) | ENE 18 | ENE 18 | ENE 17 | ENE 16 | ENE 16 | ENE 16 | ENE 15 | ENE 15 | ESE 9 | E 10 | ESE 12 | E 13 | E 14 | E 13 | E 13 | SSW 12 | SW 14 | SSW 12 | SW 14 | SW 14 | NE 9 |
| kJ | 31 | 31 | 59 | 51 | 51 | 82 | 72 | 73 | 523 | 50 | 876 | 1443 | 1710 | 1553 | 1442 | 298 | 1428 | 213 | 1304 | 1338 | 482 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | ENE 15 | ENE 14 | ENE 14 | — | SSW 12 | SSW 12 | SSW 12 | SSW 12 | SSW 12 | SE 12 | WSW 16 | — | SW 13 |
| kJ | — | — | — | — | — | — | — | — | 84 | 79 | 80 | — | 541 | 528 | 355 | 293 | 250 | 6 | 371 | — | 1075 |
Wind waves Height (m) Direction Period (s) | — | — | E 10 | E 10 | ESE 10 | ESE 10 | ESE 9 | SE 9 | — | ESE 12 | — | — | — | — | — | ENE 12 | NNE 7 | NE 12 | NNE 8 | NNE 8 | — |
| kJ | — | — | 882 | 745 | 725 | 817 | 817 | 743 | — | 505 | — | — | — | — | — | 1757 | 249 | 4269 | 669 | 634 | — |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 250 | 204 | 204 | 204 | 191 | 191 | 191 | 191 | 191 | 191 | 191 | 191 | 204 | 191 | 218 | 227 | 1976 | 227 | 227 | 497 | 227 |
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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