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Santos (Hachijojima Island) surfForecast / Izu Islands / Japan
48hr Weather and Surf, issued 2 pm Saturday 21 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
19.7° C
(Which is 1.0°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 7PM is: 1.2m 13s primary swell from a East-northeast direction and 1.6m 8s secondary swell from a Northeast direction (forecast issued at 02:00pm March 21). The wind direction is predicted to be onshore.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (21 Mar) | - | - |
| Afternoon (21 Mar) | 4ft (1.2m) | 13s |
| Evening (21 Mar) | 5ft (1.6m) | 9s |
Table - waves today at Santos (Hachijojima Island). (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Saturday 21 | Sunday 22 | Monday 23 | Tuesday 24 | |||||||||||||||||||||
| 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 | 6 AM | 9 AM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 13 | 13 | 13 | 9 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 6 | 6 | 7 | 7 | 8 | 8 | 8 | 8 | 8 | 8 | 8 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 581 | 494 | 444 | 417 | 358 | 609 | 496 | 367 | 278 | 247 | 202 | 199 | 192 | 183 | 277 | 505 | 821 | 1308 | 978 | 619 | 293 | 217 | 250 | 491 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- on | on | on | cross- on | cross- on | cross | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | on | cross- off | cross- off | cross- off | cross | cross | cross |
High Tide / height (m) | 7:12PM 1.39 | 6:42AM 1.39 | 8:03PM 1.28 | 7:04AM 1.35 | 8:59PM 1.14 | 7:26AM 1.29 | ||||||||||||||||||
Low Tide / height (m) | 12:44PM 0.06 | 12:56AM 0.50 | 1:23PM -0.00 | 1:24AM 0.63 | 2:07PM -0.01 | 1:47AM 0.75 | ||||||||||||||||||
Saturday 21 | Sunday 22 | Monday 23 | Tuesday 24 | |||||||||||||||||||||
| Sunrise | - | - | - | - | - | - | 5:43 | - | - | - | - | - | - | - | 5:41 | - | - | - | - | - | - | - | 5:39 | - |
| Sunset | - | 5:52 | - | - | - | - | - | - | - | 5:52 | - | - | - | - | - | - | - | 5:52 | - | - | - | - | - | - |
 | |  |  | |  |  | | | | | | |  |  | |  | | | |  | |  | | |
Rain (mm) | - | - | - | - | - | 1 | - | - | - | - | - | - | - | 2 | 9 | 8 | 12 | 9 | 5 | 1 | - | - | - | - |
| Temp. °C | 14 | 14 | 14 | 15 | 15 | 14 | 14 | 15 | 15 | 15 | 16 | 16 | 16 | 14 | 14 | 14 | 15 | 16 | 15 | 15 | 15 | 15 | 15 | 15 |
| Feels °C (?) | 7 | 7 | 8 | 10 | 10 | 12 | 12 | 11 | 9 | 9 | 10 | 9 | 9 | 7 | 7 | 5 | 7 | 11 | 7 | 8 | 9 | 9 | 8 | 9 |
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Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
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