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Santos (Hachijojima Island) surfForecast / Izu Islands / Japan
48hr Weather and Surf, issued 8 am Thursday 02 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
20.9° 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 4PM is: 0.9m 7s primary swell from a South-southeast direction and 0.1m 13s secondary swell from a Southeast direction (forecast issued at 08:00am April 02). An open ocean swell of 3.5m 9s is not directed at the surf break. The wind direction is predicted to be offshore.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (02 Apr) | 0.5ft (0.2m) | 14s |
| Afternoon (02 Apr) | 3ft (0.9m) | 7s |
| Evening (02 Apr) | 2.5ft (0.7m) | 7s |
Table - waves today at Santos (Hachijojima Island). (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Thursday 02 | Friday 03 | Saturday 04 | Sun 05 | |||||||||||||||||||||
| 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 | 6 PM | 9 PM | 0 AM | 3 AM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 14 | 14 | 14 | 7 | 7 | 7 | 10 | 7 | 8 | 8 | 8 | 8 | 9 | 9 | 9 | 10 | 10 | 9 | 6 | 7 | 7 | 8 | 8 | 8 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 20 | 19 | 7 | 77 | 86 | 46 | 32 | 24 | 75 | 169 | 165 | 184 | 216 | 157 | 172 | 192 | 192 | 139 | 261 | 446 | 678 | 1047 | 1499 | 2139 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- off | cross- off | off | off | off | off | off | off | off | off | off | glass | cross | cross | cross | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross | cross |
High Tide / height (m) | 5:21AM 1.44 | 5:49PM 1.44 | 5:37AM 1.48 | 6:25PM 1.42 | 5:52AM 1.49 | 7:01PM 1.38 | ||||||||||||||||||
Low Tide / height (m) | 11:32AM 0.32 | 11:41PM 0.52 | 12:01PM 0.26 | 12:04AM 0.62 | 12:28PM 0.22 | 12:26AM 0.71 | ||||||||||||||||||
Thursday 02 | Friday 03 | Saturday 04 | Sun 05 | |||||||||||||||||||||
| Sunrise | 5:28 | - | - | - | - | - | - | - | 5:26 | - | - | - | - | - | - | - | 5:24 | - | - | - | - | - | - | - |
| Sunset | - | - | - | - | 6:00 | - | - | - | - | - | - | - | 6:00 | - | - | - | - | - | - | - | 6:01 | - | - | - |
 |  |  | | |  | | | |  |  | | | | | | | | | | |  |  | | |
Rain (mm) | 3 | 1 | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | 1 | 2 |
| Temp. °C | 20 | 18 | 16 | 15 | 16 | 15 | 15 | 15 | 15 | 15 | 15 | 16 | 16 | 16 | 16 | 17 | 17 | 17 | 17 | 18 | 18 | 19 | 19 | 19 |
| Feels °C (?) | 11 | 9 | 6 | 3 | 3 | 5 | 8 | 7 | 8 | 10 | 13 | 15 | 14 | 12 | 11 | 11 | 10 | 8 | 8 | 9 | 9 | 9 | 9 | 10 |
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Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
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