Surf Forecasts:
Santos (Hachijojima Island) surf forecast from 22 Aug 2026:
- Best quality surf: Tuesday 25 Aug, 3AM (local time) - 10ft (3.0m), 14s period, S swell with glassy winds.
- Most powerful swell: Monday 24 Aug, 6PM (local time) - 8ft (2.5m), 15s period, SSE swell with 3,135 kJ wave energy.
- Next surfable swell (1★+): Sunday 23 Aug, 9AM (local time) - 3.5ft (1.1m), 10s period with E 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 Sunday (Aug 23) at 9AM. The primary swell is predicted to be 1.1m and 10s 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 2.5m 15s and forecast to arrive on Monday (Aug 24) 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 2.0m 13s period and expected on Wednesday (Aug 26) at 12PM.
| Wave Type | Time (JST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 9AM (Sun 23rd Aug) | 3.5ft (1.1m) 10s |
| Best Surf | 3AM (Tue 25th Aug) | 10ft (3.0m) 14s |
| Most Powerful | 6PM (Mon 24th Aug) | 8ft (2.5m) 15s |
Table - best surf conditions forecast for Santos (Hachijojima Island) over the next 16 days.
Short Range ForecastSome drizzle, heaviest during Tue night. Warm (max 29°C on Tue morning, min 26°C on Sun night). Wind will be generally light. | Days 4-6 Weather SummaryModerate rain (total 15mm), heaviest on Fri afternoon. Warm (max 28°C on Wed morning, min 25°C on Fri afternoon). Wind will be generally light. | ||||||||||||||||||||
Sunday 23 | Monday 24 | Tuesday 25 | Wednesday 26 | Thursday 27 | Friday 28 | Saturday 29 | |||||||||||||||
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 10 | ENE 9 | SSE 16 | SSE 14 | SSE 16 | S 15 | S 13 | S 13 | SSW 12 | SSE 9 | SSE 9 | S 9 | E 14 | E 13 | E 13 | E 12 | E 12 | SSW 9 | SSW 9 | SSW 9 | SSW 9 |
Wave Graph  | |||||||||||||||||||||
 kJ | 240 | 113 | 768 | 1111 | 3095 | 1618 | 2774 | 2310 | 1002 | 193 | 202 | 300 | 264 | 281 | 276 | 247 | 235 | 254 | 218 | 166 | 128 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross | cross-on | cross-on | cross-on | cross-on | glassy | cross | cross | cross | cross | cross | cross | cross | cross | cross-off | off | cross-off | cross | cross-on | cross-on |
High Tide | 4:49PM1.33m | 1:20AM1.28m | 4:58PM1.38m | 2:40AM1.35m | 5:14PM1.44m | 3:29AM1.45m | 5:31PM1.49m | 4:08AM1.54m | 5:49PM1.54m | 4:45AM1.61m | 6:06PM1.59m | 5:21AM1.66m | 6:25PM1.63m | ||||||||
Low Tide | 9:12PM1.20m | 9:19AM0.36m | 9:49PM1.11m | 9:59AM0.28m | 10:16PM1.03m | 10:33AM0.24m | 10:42PM0.95m | 11:03AM0.24m | 11:08PM0.87m | 11:30AM0.28m | 11:37PM0.80m | 11:56AM0.36m | 00:08AM0.72m | ||||||||
 | |  | | | | | |  |  | |  | |  | |  |  | | | | | |
 | 5:07 | — | — | 5:09 | — | — | 5:09 | — | — | 5:09 | — | — | 5:11 | — | — | 5:11 | — | — | 5:11 | — | — |
 | — | 6:17 | — | — | 6:15 | — | — | 6:15 | — | — | 6:14 | — | — | 6:13 | — | — | 6:12 | — | — | 6:09 | — |
mm | — | — | — | — | — | — | — | — | 1 | — | — | 1 | — | 1 | 2 | 2 | 6 | 3 | 8 | 3 | 3 |
Temp °C | 27 | 27 | 27 | 27 | 27 | 28 | 29 | 29 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 26 | 27 | 25 | 26 | 27 |
Feels °C | 30 | 30 | 30 | 29 | 29 | 32 | 32 | 32 | 31 | 31 | 30 | 31 | 30 | 30 | 30 | 29 | 26 | 30 | 28 | 26 | 26 |
Swell 1 Height (m) Direction Period (s) | E 10 | ENE 9 | SSE 16 | SSE 14 | SSE 16 | SSE 13 | S 13 | S 13 | SSW 12 | SSW 12 | SSW 13 | SW 12 | SW 11 | S 9 | S 8 | S 8 | SSW 8 | SSW 9 | SSW 9 | SSW 9 | SSW 9 |
| kJ | 240 | 113 | 768 | 1111 | 3095 | 1488 | 2774 | 2310 | 1002 | 1134 | 1144 | 614 | 406 | 224 | 195 | 142 | 202 | 254 | 218 | 166 | 113 |
Swell 2 Height (m) Direction Period (s) | SW 8 | SW 8 | ENE 9 | SSE 16 | E 12 | S 15 | E 14 | E 13 | SSE 10 | SSE 9 | SSE 9 | E 12 | S 8 | SW 11 | E 13 | E 12 | E 12 | E 12 | E 12 | E 12 | ENE 11 |
| kJ | 72 | 43 | 84 | 988 | 175 | 1618 | 298 | 277 | 200 | 180 | 202 | 134 | 195 | 268 | 276 | 247 | 235 | 228 | 174 | 132 | 128 |
Swell 3 Height (m) Direction Period (s) | SE 13 | E 12 | E 12 | E 12 | SW 10 | E 11 | WSW 10 | SW 10 | E 13 | E 12 | E 12 | ENE 16 | E 14 | E 13 | SW 11 | SW 10 | WSW 10 | WSW 10 | WSW 11 | N 6 | WSW 11 |
| kJ | 79 | 106 | 144 | 174 | 85 | 116 | 40 | 25 | 268 | 193 | 178 | 50 | 264 | 281 | 166 | 80 | 38 | 36 | 76 | 22 | 47 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | S 9 | — | — | — | — | — | — | — | NE 5 | NE 6 |
| kJ | — | — | — | — | — | — | — | — | — | — | — | 300 | — | — | — | — | — | — | — | 27 | 91 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 0 | 152 | 152 | 152 | 196 | 196 | 0 | 515 | 152 | 196 | 497 | 196 | 196 | 233 | 196 | 196 | 204 | 0 | 218 | 191 | 191 |
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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