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Santos (Hachijojima Island) surfForecast / Izu Islands / Japan
48hr Weather and Surf, issued 8 pm Friday 03 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
21.0° C
(Which is 2.0°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: 1.0m 10s primary swell from a North-northeast direction and 0.5m 10s secondary swell from a East direction, 1.4m 5s secondary swell from a Southeast direction (forecast issued at 08:00pm April 03). The wind direction is predicted to be cross-onshore.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (04 Apr) | 7ft (2.1m) | 6s |
| Afternoon (04 Apr) | 10ft (3.0m) | 7s |
| Evening (04 Apr) | 11ft (3.5m) | 8s |
Table - waves today at Santos (Hachijojima Island). (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Fri 03 | Saturday 04 | Sunday 05 | Monday 06 | |||||||||||||||||||||
| 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) (?) | 8 | 8 | 10 | 10 | 6 | 6 | 7 | 7 | 8 | 8 | 9 | 9 | 10 | 9 | 8 | 8 | 8 | 9 | 9 | 9 | 9 | 9 | 9 | 9 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 140 | 147 | 196 | 196 | 182 | 326 | 530 | 890 | 1265 | 1817 | 2490 | 3070 | 42 | 323 | 970 | 459 | 256 | 217 | 217 | 172 | 172 | 172 | 168 | 168 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross | cross | cross | cross | cross | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off |
High Tide / height (m) | 6:25PM 1.42 | 5:52AM 1.49 | 7:01PM 1.38 | 6:08AM 1.47 | 7:37PM 1.32 | 6:24AM 1.42 | ||||||||||||||||||
Low Tide / height (m) | 12:04AM 0.62 | 12:28PM 0.22 | 12:26AM 0.71 | 12:55PM 0.20 | 12:47AM 0.78 | 1:24PM 0.21 | ||||||||||||||||||
Fri 03 | Saturday 04 | Sunday 05 | Monday 06 | |||||||||||||||||||||
| Sunrise | - | - | - | - | 5:24 | - | - | - | - | - | - | - | 5:24 | - | - | - | - | - | - | - | 5:22 | - | - | - |
| Sunset | 6:00 | - | - | - | - | - | - | - | 6:01 | - | - | - | - | - | - | - | 6:02 | - | - | - | - | - | - | - |
 |  |  |  |  |  | | | |  | | |  |  | | | | | | | | |  | | |
Rain (mm) | - | - | - | - | 1 | - | - | - | 1 | 1 | - | 1 | 4 | 10 | 5 | 1 | 1 | - | - | - | - | - | - | - |
| Temp. °C | 17 | 18 | 18 | 17 | 18 | 18 | 18 | 19 | 19 | 19 | 20 | 21 | 21 | 21 | 20 | 20 | 19 | 19 | 19 | 20 | 20 | 20 | 20 | 20 |
| Feels °C (?) | 14 | 14 | 12 | 10 | 10 | 9 | 8 | 10 | 11 | 9 | 10 | 13 | 14 | 14 | 17 | 15 | 14 | 13 | 13 | 15 | 15 | 17 | 17 | 17 |
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Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
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