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Santos (Hachijojima Island) surfForecast / Izu Islands / Japan
48hr Weather and Surf, issued 8 pm Saturday 04 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 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 12AM is: 4.0m 8s primary swell from a South direction and 0.6m 10s secondary swell from a North-northeast direction, 0.4m 11s secondary swell from a Northeast direction (forecast issued at 08:00pm April 04). The wind direction is predicted to be cross-shore.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (05 Apr) | - | - |
| Afternoon (05 Apr) | - | - |
| Evening (05 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
Sat 04 | Sunday 05 | Monday 06 | Tuesday 07 | |||||||||||||||||||||
| 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 | 8 | 8 | 9 | 9 | 9 | 8 | 8 | 9 | 8 | 8 | 8 | 8 | 8 | 8 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 7 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 967 | 1549 | 1956 | 2245 | 2534 | 307 | 399 | 910 | 456 | 202 | 164 | 177 | 164 | 164 | 137 | 137 | 144 | 147 | 151 | 168 | 159 | 113 | 82 | 79 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross | cross- on | 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 | cross- off | cross- off | cross- off | cross- off | off | cross- off | cross- off |
High Tide / height (m) | 7:01PM 1.38 | 6:08AM 1.47 | 7:37PM 1.32 | 6:24AM 1.42 | 8:16PM 1.24 | 6:41AM 1.36 | ||||||||||||||||||
Low Tide / height (m) | 12:26AM 0.71 | 12:55PM 0.20 | 12:47AM 0.78 | 1:24PM 0.21 | 1:10AM 0.84 | 1:58PM 0.24 | ||||||||||||||||||
Sat 04 | Sunday 05 | Monday 06 | Tuesday 07 | |||||||||||||||||||||
| Sunrise | - | - | - | - | 5:24 | - | - | - | - | - | - | - | 5:22 | - | - | - | - | - | - | - | 5:22 | - | - | - |
| Sunset | 6:01 | - | - | - | - | - | - | - | 6:02 | - | - | - | - | - | - | - | 6:02 | - | - | - | - | - | - | - |
 |  | | |  |  | |  | |  |  | |  |  | | | |  | | | | | | | |
Rain (mm) | - | - | - | - | 7 | 14 | 10 | 3 | 4 | 2 | - | - | - | - | - | - | - | - | - | - | 4 | 27 | 11 | 10 |
| Temp. °C | 19 | 19 | 20 | 21 | 20 | 20 | 20 | 20 | 19 | 18 | 19 | 19 | 20 | 20 | 20 | 20 | 20 | 19 | 19 | 19 | 18 | 16 | 16 | 15 |
| Feels °C (?) | 10 | 10 | 10 | 12 | 12 | 13 | 15 | 15 | 15 | 14 | 13 | 14 | 15 | 16 | 17 | 17 | 17 | 16 | 16 | 16 | 18 | 13 | 13 | 13 |
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Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
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