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Santos (Hachijojima Island) surfForecast / Izu Islands / Japan
48hr Weather and Surf, issued 2 am 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
19.6° C
(Which is slightly warmer than usual)How big are the waves at Santos (Hachijojima Island) today?
The current surf forecast for Santos (Hachijojima Island) at 7AM is: 1.3m 14s primary swell from a East-northeast direction (forecast issued at 02:00am March 21). An open ocean swell of 0.6m 7s is not directed at the surf break, a second open ocean swell of 2.5m 8s is not directed at the surf break. The wind direction is predicted to be cross-offshore.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (21 Mar) | 4.5ft (1.3m) | 14s |
| Afternoon (21 Mar) | 4ft (1.2m) | 13s |
| Evening (21 Mar) | 4ft (1.2m) | 13s |
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 | ||||||||||||||||||||||
| 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 | 6 PM | 9 PM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    | |||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 14 | 14 | 14 | 14 | 13 | 13 | 13 | 13 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 6 | 6 | 7 | 7 | 8 | 8 | 8 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 638 | 630 | 653 | 607 | 581 | 494 | 486 | 423 | 417 | 546 | 423 | 282 | 278 | 247 | 202 | 199 | 192 | 166 | 254 | 493 | 800 | 418 | 557 | 445 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | off | off | cross- off | cross- off | on | on | on | cross- on | cross- on | cross | cross | cross | cross- off | cross | cross- off | cross | cross- on | cross- on | cross | off | cross- off | cross- off | cross- off | off |
High Tide / height (m) | 6:20AM 1.41 | 7:12PM 1.39 | 6:42AM 1.39 | 8:03PM 1.28 | 7:04AM 1.35 | 8:59PM 1.14 | ||||||||||||||||||
Low Tide / height (m) | 12:25AM 0.36 | 12:44PM 0.06 | 12:56AM 0.50 | 1:23PM -0.00 | 1:24AM 0.63 | 2:07PM -0.01 | ||||||||||||||||||
Saturday 21 | Sunday 22 | Monday 23 | ||||||||||||||||||||||
| Sunrise | - | - | 5:43 | - | - | - | - | - | - | - | 5:43 | - | - | - | - | - | - | - | 5:41 | - | - | - | - | - |
| Sunset | - | - | - | - | - | 5:52 | - | - | - | - | - | - | - | 5:52 | - | - | - | - | - | - | - | 5:52 | - | - |
 | |  | |  | |  |  | | |  | | |  | |  | | |  | | |  | | | |
Rain (mm) | - | - | - | - | - | - | - | 1 | 1 | 1 | - | - | - | 1 | 1 | 2 | 3 | 4 | 11 | 13 | 2 | 7 | 2 | - |
| Temp. °C | 15 | 14 | 13 | 13 | 15 | 14 | 14 | 14 | 14 | 15 | 15 | 15 | 15 | 15 | 15 | 16 | 16 | 15 | 14 | 14 | 14 | 13 | 14 | 16 |
| Feels °C (?) | 3 | 2 | 4 | 9 | 11 | 8 | 8 | 8 | 8 | 11 | 11 | 11 | 11 | 11 | 11 | 12 | 10 | 9 | 8 | 11 | 12 | 8 | 7 | 6 |
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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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