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Santos (Hachijojima Island) surfForecast / Izu Islands / Japan
48hr Weather and Surf, issued 8 pm Monday 30 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
20.6° 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 3AM is: 0.8m 10s primary swell from a East-northeast direction and 0.5m 10s secondary swell from a Northeast direction, 1.4m 5s secondary swell from a South-southwest direction (forecast issued at 08:00pm March 30). The wind direction is predicted to be cross-shore.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (31 Mar) | 7ft (2.2m) | 6s |
| Afternoon (31 Mar) | 13ft (4.0m) | 8s |
| Evening (31 Mar) | 1.5ft (0.4m) | 10s |
Table - waves today at Santos (Hachijojima Island). (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Mon 30 | Tuesday 31 | Wednesday 01 | Thursday 02 | |||||||||||||||||||||
| 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) (?) | 10 | 10 | 10 | 10 | 5 | 6 | 7 | 8 | 10 | 10 | 10 | 8 | 10 | 8 | 7 | 7 | 7 | 7 | 8 | 8 | 14 | 8 | 8 | 7 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 140 | 137 | 132 | 107 | 165 | 365 | 1030 | 1995 | 37 | 38 | 24 | 548 | 9 | 220 | 228 | 124 | 149 | 145 | 35 | 41 | 20 | 8 | 520 | 11 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross | cross | cross | cross | cross- on | cross | cross | cross | cross | cross | cross- off | cross- off | cross- off | off | cross- off | cross- off | cross- off | cross | cross | cross- off | off | cross- off | cross- off | off |
High Tide / height (m) | 3:38PM 1.25 | 4:43AM 1.28 | 4:27PM 1.36 | 5:02AM 1.37 | 5:10PM 1.42 | 5:21AM 1.44 | ||||||||||||||||||
Low Tide / height (m) | 10:11PM 0.24 | 10:28AM 0.52 | 10:45PM 0.31 | 11:01AM 0.41 | 11:15PM 0.41 | 11:32AM 0.32 | ||||||||||||||||||
Mon 30 | Tuesday 31 | Wednesday 01 | Thursday 02 | |||||||||||||||||||||
| Sunrise | - | - | - | - | 5:31 | - | - | - | - | - | - | - | 5:28 | - | - | - | - | - | - | - | 5:28 | - | - | - |
| Sunset | - | - | - | - | - | - | - | 5:59 | - | - | - | - | - | - | - | - | 6:00 | - | - | - | - | - | - | - |
 | | | |  | |  |  | |  | |  | | | | |  |  | |  | | | | | |
Rain (mm) | - | - | - | - | - | - | 1 | - | - | 1 | 1 | 1 | - | - | - | 1 | 9 | 10 | 5 | 2 | 6 | 1 | 1 | - |
| Temp. °C | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 19 | 19 | 20 | 20 | 20 | 19 | 19 | 18 | 18 | 17 | 18 | 20 | 21 | 17 | 16 | 15 | 16 |
| Feels °C (?) | 13 | 13 | 12 | 11 | 9 | 9 | 7 | 8 | 8 | 10 | 12 | 14 | 15 | 17 | 16 | 16 | 17 | 16 | 13 | 13 | 15 | 13 | 10 | 10 |
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Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
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