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Santos (Hachijojima Island) surfForecast / Izu Islands / Japan
16 Day Weather and Surf, issued 2 pm Sunday 31 May 2026 JSTForecast update in hr min s Forecast update imminent
Santos (Hachijojima Island) surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Santos (Hachijojima Island) sea temperature is
23.9° C
(Which is 1.4°C warmer than normal for this time of year)Santos (Hachijojima Island) surf forecast from 31 May 2026:
- Most powerful swell: Wednesday 3 Jun, 12PM (local time) - 15ft (4.5m), 9s period, SSE swell with 3,375 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 9s and forecast to arrive on Wednesday (Jun 03) 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 8.0m 14s period and expected on Wednesday (Jun 03) at 6PM.
| Wave Type | Time (JST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | - | - |
| Best Surf | - | - |
| Most Powerful | 12PM (Wed 3rd Jun) | 15ft (4.5m) 9s |
Table - best surf conditions forecast for Santos (Hachijojima Island) over the next 16 days.
Updates in hr min s Forecast update imminent
Short Range ForecastHeavy rain (total 47mm), heaviest during Wed morning. Warm (max 24°C on Wed morning, min 19°C on Sun afternoon). Winds increasing (light winds from the SE on Sun night, severe gales from the SSE by Wed morning). | Days 5-7 Weather SummaryModerate rain (total 14mm), heaviest on Wed afternoon. Warm (max 25°C on Wed afternoon, min 21°C on Wed night). Winds decreasing (stormy winds from the S on Wed afternoon, light winds from the NE by Thu afternoon). | ||||||||||||||||||||
Sun 31 | Monday 1 | Tuesday 2 | Wednesday 3 | Thursday 4 | Friday 5 | Saturday 6 | |||||||||||||||
PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | |
Swell Height Map |  |  |  |  |  |  |  |  | |||||||||||||
S 12 | S 11 | S 10 | S 10 | S 13 | E 10 | E 10 | SE 6 | SE 8 | SW 16 | ESE 9 | ESE 9 | ESE 9 | NNE 10 | NNE 10 | NNE 11 | NE 11 | NE 11 | NE 11 | NE 11 | NE 11 | |
389 | 297 | 214 | 196 | 728 | 88 | 88 | 207 | 2096 | 0 | 367 | 268 | 213 | 510 | 770 | 1242 | 1593 | 1172 | 1029 | 835 | 914 | |
Wind (km/h) | |||||||||||||||||||||
cross | cross-on | on | on | on | on | cross-on | cross-on | on | cross-on | off | cross-off | cross | cross | cross | cross-on | cross-on | cross-on | on | on | on | |
High Tide | 6:27PM1.38m | 4:35AM1.46m | 7:02PM1.38m | 5:06AM1.44m | 7:37PM1.37m | 5:39AM1.42m | 8:12PM1.35m | 6:13AM1.40m | 8:49PM1.33m | 6:50AM1.38m | 9:27PM1.32m | 7:31AM1.35m | 10:07PM1.32m | 8:21AM1.30m | |||||||
Low Tide | 11:18PM0.97m | 11:54AM0.11m | 11:52PM0.96m | 12:27PM0.11m | 00:26AM0.96m | 1:01PM0.15m | 00:59AM0.97m | 1:37PM0.21m | 1:35AM0.99m | 2:15PM0.28m | 2:18AM1.00m | 2:56PM0.37m | 3:14AM1.01m | ||||||||
 |  |  |  |  |  | |  |  |  |  | | | | | | | | | | | |
 | — | — | 4:33 | — | — | 4:31 | — | — | 4:31 | — | — | 4:31 | — | — | 4:31 | — | — | 4:31 | — | — | 4:31 |
 | 6:43 | — | — | 6:43 | — | — | 6:44 | — | — | 6:45 | — | — | 6:45 | — | — | 6:45 | — | — | 6:45 | — | 6:46 |
2 | — | — | — | — | — | — | 17 | 28 | 10 | 4 | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 22 | 20 | 20 | 21 | 21 | 21 | 22 | 21 | 24 | 25 | 24 | 22 | 22 | 22 | 21 | 22 | 21 | 21 | 21 | 21 | 22 |
19 | 15 | 20 | 19 | 18 | 19 | 20 | 17 | 14 | 15 | 19 | 18 | 21 | 20 | 16 | 18 | 18 | 17 | 17 | 17 | 18 | |
Swell 1 Height (m) Direction Period (s) | S 12 | S 11 | S 10 | SSW 13 | S 13 | SW 13 | SW 13 | SW 14 | WSW 17 | — | ESE 9 | WSW 10 | WSW 9 | NNE 10 | NNE 10 | NNE 11 | NE 11 | NE 11 | NE 11 | NE 11 | NE 11 |
 kJ | 389 | 297 | 214 | 472 | 728 | 1127 | 966 | 965 | 3457 | — | 367 | 1539 | 495 | 510 | 770 | 1242 | 1593 | 1172 | 1029 | 835 | 914 |
Swell 2 Height (m) Direction Period (s) | E 10 | E 10 | SSW 15 | S 10 | SW 16 | E 10 | E 10 | WSW 17 | WSW 18 | — | — | ESE 9 | ESE 9 | SW 8 | SW 7 | SW 7 | SW 7 | SW 6 | SW 7 | SSW 7 | SSW 9 |
| kJ | 159 | 125 | 353 | 196 | 532 | 88 | 88 | 351 | 928 | — | — | 268 | 213 | 284 | 137 | 102 | 44 | 21 | 11 | 18 | 54 |
Swell 3 Height (m) Direction Period (s) | SE 12 | WSW 7 | E 10 | E 10 | E 10 | SE 11 | SE 12 | E 9 | — | — | — | SE 13 | S 8 | ESE 8 | ESE 8 | SE 12 | ESE 9 | SE 11 | S 8 | SW 10 | S 13 |
| kJ | 22 | 9 | 122 | 117 | 90 | 19 | 21 | 60 | — | — | — | 7 | 130 | 127 | 73 | 22 | 66 | 19 | 5 | 4 | 4 |
Wind waves Height (m) Direction Period (s) | WSW 6 | SE 3 | — | — | — | ESE 5 | SE 5 | SE 6 | SE 8 | SW 16 | WSW 12 | NW 7 | — | WNW 6 | — | E 9 | ESE 4 | E 9 | E 10 | ESE 5 | ESE 6 |
| kJ | 23 | 2 | — | — | — | 45 | 74 | 207 | 2096 | 27051 | 9579 | 35 | — | 13 | — | 154 | 11 | 40 | 47 | 86 | 281 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 152 | 196 | 152 | 497 | 196 | 191 | 191 | 191 | 768 | 525 | 233 | 196 | 196 | 204 | 218 | 191 | 204 | 240 | 1121 | 249 | 911 |
Best forecast wave conditions in Izu Islands | |||||||||||||||||||||
Best forecast wave conditions in Japan | |||||||||||||||||||||
Header Global | |||||||||||||||||||||
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FREE! Surf-Forecast.com widget for your website
The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our Santos (Hachijojima Island) surf forecast. Simply grab the html code snippet that we provide and paste it into your own site. You can choose your preferred language and metric/imperial units for the surf forecast feed to suit users of your site. Click here to get the code.
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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