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Santos (Hachijojima Island) surfForecast / Izu Islands / Japan
48hr Weather and Surf, issued 8 pm Wednesday 08 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 1.8°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 4AM is: 1.1m 7s primary swell from a Northeast direction and 0.8m 8s secondary swell from a Southeast direction (forecast issued at 08:00pm April 08). The wind direction is predicted to be onshore.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (09 Apr) | 3ft (0.9m) | 8s |
| Afternoon (09 Apr) | 3.5ft (1.1m) | 8s |
| Evening (09 Apr) | 2.5ft (0.7m) | 9s |
Table - waves today at Santos (Hachijojima Island). (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Wed 08 | Thursday 09 | Friday 10 | Saturday 11 | |||||||||||||||||||||
| 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 | 12 PM | 3 PM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |   |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 9 | 8 | 7 | 7 | 8 | 8 | 8 | 8 | 8 | 9 | 9 | 9 | 5 | 6 | 6 | 9 | 8 | 11 | 11 | 11 | 11 | 11 | 11 | 11 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 611 | 371 | 237 | 131 | 77 | 107 | 107 | 149 | 88 | 75 | 75 | 73 | 126 | 158 | 224 | 86 | 82 | 146 | 143 | 143 | 143 | 143 | 115 | 117 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- on | on | on | on | on | cross- on | cross- on | cross- on | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross- off | cross- off | cross- off | cross- off | cross- off | off | off |
High Tide / height (m) | 10:08PM 1.06 | 7:23AM 1.21 | 12:15AM 1.01 | 7:47AM 1.12 | 3:14AM 1.06 | 8:28AM 1.04 | ||||||||||||||||||
Low Tide / height (m) | 1:53AM 0.95 | 3:38PM 0.36 | 1:59AM 1.00 | 5:12PM 0.42 | 7:02AM 1.04 | |||||||||||||||||||
Wed 08 | Thursday 09 | Friday 10 | Saturday 11 | |||||||||||||||||||||
| Sunrise | - | - | - | - | 5:18 | - | - | - | - | - | - | - | 5:18 | - | - | - | - | - | - | - | 5:16 | - | - | - |
| Sunset | 6:05 | - | - | - | - | - | - | - | 6:05 | - | - | - | - | - | - | - | 6:06 | - | - | - | - | - | - | - |
 |  |  |  | |  | | |  | | | | | | | |  |  | |  |  | | | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | 1 | 4 | 1 | 1 | 1 | 2 | - | - |
| Temp. °C | 15 | 15 | 15 | 15 | 15 | 16 | 16 | 16 | 17 | 17 | 17 | 17 | 17 | 18 | 19 | 20 | 20 | 20 | 21 | 21 | 21 | 21 | 19 | 19 |
| Feels °C (?) | 9 | 10 | 11 | 11 | 10 | 11 | 11 | 11 | 12 | 11 | 10 | 10 | 10 | 10 | 12 | 13 | 13 | 13 | 14 | 15 | 16 | 17 | 14 | 12 |
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Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
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