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Santos (Hachijojima Island) surfForecast / Izu Islands / Japan
48hr Weather and Surf, issued 8 pm Sunday 22 Mar 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
19.8° C
(Which is 1.1°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 12AM is: 0.9m 12s primary swell from a Northeast direction and 0.1m 15s secondary swell from a Southeast direction, 1.0m 5s secondary swell from a Southeast direction (forecast issued at 08:00pm March 22). The wind direction is predicted to be cross-onshore.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (23 Mar) | - | - |
| Afternoon (23 Mar) | - | - |
| Evening (23 Mar) | 3ft (0.9m) | 12s |
Table - waves today at Santos (Hachijojima Island). (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Sun 22 | Monday 23 | Tuesday 24 | Wednesday 25 | |||||||||||||||||||||
| 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) (?) | 12 | 12 | 12 | 11 | 6 | 6 | 7 | 8 | 8 | 8 | 8 | 8 | 7 | 7 | 7 | 8 | 8 | 8 | 9 | 8 | 8 | 8 | 8 | 9 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 202 | 199 | 192 | 133 | 130 | 211 | 522 | 836 | 581 | 364 | 261 | 230 | 277 | 227 | 218 | 337 | 300 | 250 | 320 | 266 | 239 | 142 | 184 | 172 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- on | cross- on | cross- on | on | cross- on | cross | on | cross- off | cross- off | cross- off | cross | cross | cross | cross | cross- on | cross- on | cross- on | on | cross- on | on | cross- on | cross- on | cross- on | cross- on |
High Tide / height (m) | 8:03PM 1.28 | 7:04AM 1.35 | 8:59PM 1.14 | 7:26AM 1.29 | 10:08PM 0.99 | 7:50AM 1.23 | ||||||||||||||||||
Low Tide / height (m) | 1:24AM 0.63 | 2:07PM -0.01 | 1:47AM 0.75 | 2:56PM 0.02 | 2:02AM 0.84 | |||||||||||||||||||
Sun 22 | Monday 23 | Tuesday 24 | Wednesday 25 | |||||||||||||||||||||
| Sunrise | - | - | - | - | 5:41 | - | - | - | - | - | - | - | 5:39 | - | - | - | - | - | - | - | 5:39 | - | - | - |
| Sunset | - | - | - | - | - | - | - | 5:52 | - | - | - | - | - | - | - | 5:53 | - | - | - | - | - | - | - | 5:54 |
 |  | |  |  |  | | | | |  | |  | |  |  | | | | |  | | | | |
Rain (mm) | - | - | - | 1 | 12 | 8 | 10 | 10 | 2 | - | - | - | - | - | - | - | - | - | - | - | 1 | 1 | 1 | - |
| Temp. °C | 15 | 16 | 15 | 14 | 14 | 15 | 14 | 15 | 14 | 14 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 16 | 16 |
| Feels °C (?) | 9 | 10 | 11 | 9 | 10 | 11 | 14 | 10 | 5 | 6 | 8 | 9 | 10 | 9 | 10 | 11 | 11 | 11 | 11 | 10 | 9 | 8 | 8 | 7 |
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Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
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