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Santos (Hachijojima Island) surfForecast / Izu Islands / Japan
48hr Weather and Surf, issued 2 pm Sunday 12 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
21.1° C
(Which is 1.7°C warmer than normal for this time of year)How big are the waves at Santos (Hachijojima Island) today?
The current surf forecast for Santos (Hachijojima Island) at 8PM is: 1.5m 7s primary swell from a East-northeast direction and 0.3m 6s secondary swell from a South-southeast direction (forecast issued at 02:00pm April 12). An open ocean swell of 0.8m 7s is not directed at the surf break. The wind direction is predicted to be cross-shore.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (12 Apr) | - | - |
| Afternoon (12 Apr) | 2.5ft (0.8m) | 10s |
| Evening (12 Apr) | 5ft (1.5m) | 7s |
Table - waves today at Santos (Hachijojima Island). (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Sunday 12 | Monday 13 | Tuesday 14 | Wednesday 15 | |||||||||||||||||||||
| 12 PM | 3 PM | 6 PM | 9 PM | 0 AM | 3 AM | 6 AM | 9 AM | 12 PM | 3 PM | 6 PM | 9 PM | 0 AM | 3 AM | 6 AM | 9 AM | 12 PM | 3 PM | 6 PM | 9 PM | 0 AM | 3 AM | 6 AM | 9 AM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 10 | 10 | 7 | 7 | 8 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 12 | 12 | 12 | 16 | 16 | 16 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 112 | 138 | 158 | 236 | 143 | 112 | 81 | 267 | 235 | 201 | 270 | 265 | 255 | 245 | 267 | 267 | 234 | 265 | 527 | 480 | 472 | 651 | 1875 | 2270 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | off | cross- off | cross- off | cross | cross- off | cross | cross | cross | cross | cross- off | cross- off | glass | cross- off | cross | cross- on | cross- on | cross- on | cross- on | on | on | on | cross- on | cross- on | cross- on |
High Tide / height (m) | 12:34PM 1.01 | 3:26AM 1.19 | 2:09PM 1.11 | 3:43AM 1.26 | 3:09PM 1.24 | 4:02AM 1.34 | ||||||||||||||||||
Low Tide / height (m) | 7:59PM 0.39 | 8:56AM 0.82 | 8:50PM 0.37 | 9:26AM 0.66 | 9:33PM 0.37 | |||||||||||||||||||
Sunday 12 | Monday 13 | Tuesday 14 | Wednesday 15 | |||||||||||||||||||||
| Sunrise | - | - | - | - | - | - | 5:13 | - | - | - | - | - | - | - | 5:13 | - | - | - | - | - | - | - | 5:11 | - |
| Sunset | - | - | 6:07 | - | - | - | - | - | - | - | 6:07 | - | - | - | - | - | - | - | 6:08 | - | - | - | - | - |
 |  |  |  |  | | | | | | |  | | | | | | | | | | | | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 18 | 18 | 18 | 18 | 19 | 18 | 18 | 19 | 19 | 19 | 19 | 19 | 19 | 18 | 18 | 18 | 19 | 19 | 19 | 19 | 18 | 18 | 18 | 19 |
| Feels °C (?) | 15 | 15 | 15 | 15 | 16 | 15 | 15 | 17 | 18 | 18 | 18 | 19 | 19 | 17 | 16 | 16 | 16 | 16 | 15 | 16 | 14 | 14 | 14 | 16 |
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Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
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