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Santos (Hachijojima Island) surfForecast / Izu Islands / Japan
16 Day Weather and Surf, issued 2 am Friday 24 Apr 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
22.1° C
(Which is 2.1°C warmer than normal for this time of year)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 Monday (Apr 27) at 9AM. The primary swell is predicted to be 1.1m and 13s period with a secondary swell of 1.3m and 7s. 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 1.4m 14s and forecast to arrive on Sunday (Apr 26) at 12PM. Winds are predicted to be onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.7m 6s period and expected on Wednesday (Apr 29) at 3AM.
| Wave Type | Time (JST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 9AM (Mon 27th Apr) | 3.5ft (1.1m) 13s |
| Best Surf | 9AM (Mon 27th Apr) | 3.5ft (1.1m) 13s |
| Most Powerful | 12PM (Sun 26th Apr) | 4.5ft (1.4m) 14s |
Table - best surf conditions forecast for Santos (Hachijojima Island) over the next 16 days.
Updates in hr min s Forecast update imminent
Short Range ForecastLight rain (total 7mm), mostly falling on Fri afternoon. Warm (max 20°C on Sun night, min 16°C on Sat afternoon). Winds decreasing (near gales from the NE on Fri morning, light winds from the ESE by Sun night). | Days 4-6 Weather SummaryLight rain (total 7mm), mostly falling on Mon morning. Warm (max 20°C on Tue morning, min 17°C on Wed night). Winds increasing (calm on Mon night, strong winds from the SW by Tue night). | ||||||||||||||||||||
Friday 24 | Saturday 25 | Sunday 26 | Monday 27 | Tuesday 28 | Wednesday 29 | Thursday 30 | |||||||||||||||
AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | |
Swell Height Map |  |  |  |  |  |  |  | ||||||||||||||
NE 7 | NE 7 | NE 8 | ENE 7 | ENE 8 | ENE 8 | NE 15 | NE 14 | NE 13 | NE 13 | NE 12 | NE 12 | NE 7 | ENE 8 | NE 10 | NE 8 | E 9 | E 9 | E 9 | SE 9 | NE 7 | |
467 | 684 | 535 | 656 | 800 | 644 | 773 | 799 | 560 | 431 | 252 | 169 | 65 | 99 | 90 | 43 | 25 | 25 | 23 | 29 | 262 | |
Wind (km/h) | |||||||||||||||||||||
cross | cross | cross-on | cross-on | cross-on | on | on | on | on | off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | off | off | cross-on | cross-on | on | |
High Tide | 2:27AM1.05m | 10:05AM1.10m | 2:45AM1.12m | 12:52PM1.10m | 3:04AM1.21m | 2:30PM1.20m | 3:24AM1.32m | 3:33PM1.29m | 3:46AM1.41m | 4:23PM1.36m | 4:06AM1.49m | 5:07PM1.40m | |||||||||
Low Tide | 5:14PM0.27m | 5:38AM1.03m | 6:41PM0.38m | 7:51AM0.92m | 7:52PM0.45m | 8:48AM0.77m | 8:45PM0.52m | 9:30AM0.61m | 9:28PM0.59m | 10:07AM0.47m | 10:04PM0.67m | 10:40AM0.35m | 10:36PM0.74m | ||||||||
 | |  |  |  |  | | | |  |  |  | | |  |  | | | | | | |
 | 5:01 | — | — | 5:00 | — | — | 4:58 | — | — | 4:58 | — | — | 4:56 | — | — | 4:56 | — | — | 4:54 | — | — |
 | — | 6:15 | — | — | 6:16 | — | — | 6:17 | — | — | 6:19 | — | — | 6:19 | — | — | 6:20 | — | — | 6:21 | — |
1 | 3 | 1 | — | — | — | 1 | — | 1 | 4 | — | — | — | — | — | 1 | 1 | 1 | — | — | — | |
Temp °C | 18 | 18 | 18 | 17 | 17 | 17 | 17 | 19 | 20 | 19 | 19 | 19 | 20 | 20 | 20 | 20 | 20 | 18 | 17 | 18 | 18 |
9 | 10 | 11 | 8 | 8 | 10 | 11 | 15 | 19 | 16 | 17 | 19 | 17 | 16 | 16 | 14 | 14 | 10 | 13 | 11 | 12 | |
Swell 1 Height (m) Direction Period (s) | SSW 8 | WSW 9 | SW 8 | NE 14 | NE 13 | NE 13 | NE 15 | NE 14 | NE 13 | ESE 7 | ESE 7 | NNE 7 | NE 7 | ENE 8 | NE 10 | NE 8 | SW 6 | SSW 6 | E 9 | W 6 | NE 7 |
 kJ | 330 | 188 | 105 | 297 | 342 | 311 | 773 | 799 | 560 | 167 | 89 | 81 | 59 | 99 | 90 | 43 | 47 | 20 | 23 | 35 | 262 |
Swell 2 Height (m) Direction Period (s) | WSW 9 | S 8 | S 7 | WSW 8 | SW 8 | NE 16 | SE 13 | SE 13 | SW 7 | NE 13 | NE 12 | NE 12 | E 8 | NE 11 | E 8 | E 8 | E 9 | E 9 | SE 8 | NW 6 | SE 9 |
| kJ | 333 | 142 | 53 | 26 | 22 | 211 | 7 | 7 | 2 | 431 | 252 | 169 | 65 | 57 | 28 | 10 | 25 | 25 | 15 | 25 | 29 |
Swell 3 Height (m) Direction Period (s) | SE 12 | SW 8 | NE 15 | S 7 | SE 14 | SE 13 | SE 13 | — | SE 12 | WSW 4 | S 6 | E 7 | NE 11 | SE 12 | SE 11 | E 9 | NE 8 | SE 8 | NNE 9 | SE 9 | E 8 |
| kJ | 22 | 34 | 116 | 26 | 8 | 7 | 7 | — | 6 | 11 | 22 | 49 | 59 | 5 | 5 | 7 | 23 | 11 | 8 | 29 | 12 |
Wind waves Height (m) Direction Period (s) | NE 7 | NE 7 | NE 8 | ENE 7 | ENE 8 | ENE 8 | E 7 | E 7 | ESE 7 | NNW 3 | NNE 6 | — | SSW 6 | SSW 5 | SW 5 | WSW 6 | WNW 6 | WNW 5 | W 5 | — | SSE 3 |
| kJ | 467 | 684 | 535 | 656 | 800 | 644 | 465 | 538 | 403 | 2 | 134 | — | 18 | 25 | 113 | 169 | 38 | 41 | 58 | — | 2 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 227 | 227 | 204 | 495 | 546 | 191 | 227 | 191 | 204 | 0 | 152 | 0 | 233 | 519 | 297 | 2211 | 280 | 797 | 1130 | 191 | 191 |
Best forecast wave conditions in Izu Islands | |||||||||||||||||||||
Best forecast wave conditions in Japan | |||||||||||||||||||||
Header Global | |||||||||||||||||||||
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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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