Surf Forecasts:
Santos (Hachijojima Island) surf forecast from 5 Sep 2026:
- Best quality surf: Friday 11 Sep, 12PM (local time) - 2.5ft (0.7m), 14s period, E swell with glassy winds.
- Most powerful swell: Monday 7 Sep, 12PM (local time) - 11ft (3.5m), 9s period, SSE swell with 2,160 kJ wave energy.
- Next surfable swell (1★+): Friday 11 Sep, 12PM (local time) - 2.5ft (0.7m), 14s 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 Friday (Sep 11) at 12PM. The primary swell is predicted to be 0.7m and 14s period with a secondary swell of 0.9m and 7s. The wind is predicted to be glassy as the swell arrives.
The most powerful waves expected at Santos (Hachijojima Island) in the next 16 days are 3.5m 9s and forecast to arrive on Monday (Sep 07) at 12PM. 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 10s period and expected on Tuesday (Sep 08) at 6PM.
| Wave Type | Time (JST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 12PM (Fri 11th Sep) | 2.5ft (0.7m) 14s |
| Best Surf | 12PM (Fri 11th Sep) | 2.5ft (0.7m) 14s |
| Most Powerful | 12PM (Mon 7th Sep) | 11ft (3.5m) 9s |
Table - best surf conditions forecast for Santos (Hachijojima Island) over the next 16 days.
Short Range ForecastHeavy rain (total 52mm), heaviest during Sun morning. Warm (max 28°C on Sun afternoon, min 27°C on Sun morning). Winds decreasing (strong winds from the SE on Sun night, fresh winds from the S by Mon night). | Days 4-6 Weather SummaryLight rain (total 6mm), mostly falling on Wed morning. Warm (max 28°C on Wed morning, min 27°C on Fri morning). Winds decreasing (fresh winds from the SSW on Wed morning, calm by Fri morning). | ||||||||||||||||||||
Sunday 6 | Monday 7 | Tuesday 8 | Wednesday 9 | Thursday 10 | Friday 11 | Saturday 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) | E 7 | E 7 | SSE 9 | S 9 | S 9 | S 9 | SSW 9 | S 9 | S 9 | SSW 9 | SSW 9 | SSW 9 | SSW 8 | E 14 | E 14 | E 14 | E 14 | E 14 | E 14 | E 14 | ESE 14 |
Wave Graph  | |||||||||||||||||||||
 kJ | 722 | 687 | 1416 | 2023 | 1960 | 1308 | 713 | 1137 | 1088 | 1215 | 1126 | 906 | 578 | 100 | 144 | 196 | 194 | 302 | 383 | 447 | 547 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | on | on | on | cross-on | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | on | on | cross-on | cross-on | cross-on |
High Tide | 4:20PM1.25m | 11:15PM1.30m | 4:22PM1.32m | 1:40AM1.34m | 4:41PM1.40m | 2:57AM1.46m | 5:03PM1.47m | 3:54AM1.59m | 5:25PM1.55m | 4:43AM1.67m | 5:46PM1.62m | 5:29AM1.71m | 6:07PM1.68m | ||||||||
Low Tide | 7:23PM1.23m | 8:14AM0.24m | 8:50PM1.14m | 9:13AM0.19m | 9:36PM1.03m | 10:01AM0.18m | 10:16PM0.91m | 10:43AM0.23m | 10:53PM0.80m | 11:19AM0.34m | 11:29PM0.71m | 11:51AM0.49m | 00:05AM0.64m | ||||||||
 |  |  | | | | | | |  | | | |  | | | |  | | | | |
 | 5:16 | — | — | 5:18 | — | — | 5:18 | — | — | 5:18 | — | — | 5:20 | — | — | 5:20 | — | — | 5:20 | — | — |
 | — | 6:00 | — | — | 5:59 | — | — | 5:57 | — | — | 5:55 | — | — | 5:54 | — | — | 5:52 | — | — | 5:52 | — |
mm | 11 | 10 | 12 | 4 | 6 | 4 | 2 | 1 | 2 | 1 | 1 | 2 | 1 | — | 1 | — | — | — | — | — | — |
Temp °C | 27 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 27 | 27 | 27 |
Feels °C | 23 | 27 | 25 | 26 | 27 | 28 | 29 | 29 | 28 | 28 | 28 | 29 | 31 | 30 | 32 | 34 | 33 | 32 | 29 | 28 | 27 |
Swell 1 Height (m) Direction Period (s) | SW 10 | S 9 | ENE 8 | E 7 | NE 9 | ENE 9 | SE 8 | E 9 | E 9 | ENE 9 | E 9 | NNE 9 | NNE 8 | NNE 8 | E 14 | SSW 7 | SSW 7 | E 14 | E 14 | E 14 | ESE 14 |
| kJ | 48 | 408 | 157 | 159 | 123 | 96 | 233 | 56 | 40 | 26 | 25 | 31 | 53 | 51 | 144 | 97 | 73 | 302 | 383 | 447 | 547 |
Swell 2 Height (m) Direction Period (s) | S 9 | SW 10 | NE 8 | NE 10 | ESE 10 | SE 10 | SW 11 | SE 10 | SE 10 | SE 10 | NNE 10 | E 9 | E 15 | E 14 | NNE 7 | E 14 | E 14 | SSW 8 | NNE 6 | SSW 10 | SSW 11 |
| kJ | 40 | 48 | 138 | 142 | 20 | 26 | 114 | 27 | 25 | 25 | 35 | 25 | 106 | 100 | 32 | 196 | 194 | 81 | 28 | 102 | 217 |
Swell 3 Height (m) Direction Period (s) | NE 11 | NE 14 | NE 12 | WSW 10 | — | NE 11 | ENE 9 | NNE 11 | E 18 | E 17 | E 16 | E 16 | E 9 | SE 10 | E 9 | NNE 6 | NNE 6 | E 9 | SSW 8 | NNE 6 | NNE 6 |
| kJ | 30 | 48 | 77 | 9 | — | 20 | 59 | 12 | 24 | 52 | 46 | 76 | 27 | 27 | 14 | 22 | 22 | 13 | 32 | 21 | 20 |
Wind waves Height (m) Direction Period (s) | E 7 | E 7 | SSE 9 | S 9 | S 9 | S 9 | SSW 9 | S 9 | S 9 | SSW 9 | SSW 9 | SSW 9 | SSW 8 | SSW 8 | SW 7 | — | — | NNE 6 | — | — | — |
| kJ | 722 | 687 | 1416 | 2023 | 1960 | 1308 | 713 | 1137 | 1088 | 1215 | 1126 | 906 | 578 | 430 | 223 | — | — | 31 | — | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 495 | 480 | 546 | 495 | 237 | 196 | 196 | 196 | 196 | 253 | 253 | 249 | 191 | 196 | 204 | 204 | 204 | 204 | 204 | 204 | 204 |
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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