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Santos (Hachijojima Island) surfForecast / Izu Islands / Japan
48hr Weather and Surf, issued 2 am Thursday 04 Dec 2025 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
24.2° C
(Which is 2.5°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 6AM is: 0.9m 14s primary swell from a Northeast direction and 0.6m 9s secondary swell from a East-southeast direction (forecast issued at 02:00am December 04). An open ocean swell of 5.0m 10s is not directed at the surf break. The wind direction is predicted to be offshore.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (04 Dec) | 3.5ft (1.0m) | 14s |
| Afternoon (04 Dec) | 3.5ft (1.1m) | 14s |
| Evening (04 Dec) | 4.5ft (1.3m) | 13s |
Table - waves today at Santos (Hachijojima Island). (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Thursday 04 | Friday 05 | Saturday 06 | ||||||||||||||||||||||
| 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) (?) | 13 | 14 | 14 | 14 | 14 | 14 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 16 | 16 | 15 | 15 | 15 | 14 | 14 | 15 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 290 | 313 | 331 | 382 | 422 | 410 | 451 | 628 | 746 | 659 | 325 | 282 | 277 | 231 | 231 | 202 | 406 | 532 | 505 | 566 | 543 | 536 | 676 | 685 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | off | off | off | off | off | off | off | off | off | off | off | off | off | off | off | off | cross- off | cross- off | cross- on | on | on | on | on | cross- on |
High Tide / height (m) | 5:14AM 1.51 | 3:43PM 1.53 | 6:07AM 1.52 | 4:18PM 1.54 | 6:57AM 1.49 | 4:56PM 1.54 | ||||||||||||||||||
Low Tide / height (m) | 10:11PM -0.01 | 10:26AM 0.92 | 10:55PM -0.17 | 11:09AM 0.97 | 11:39PM -0.25 | 11:47AM 1.00 | ||||||||||||||||||
Thursday 04 | Friday 05 | Saturday 06 | ||||||||||||||||||||||
| Sunrise | - | - | - | 6:26 | - | - | - | - | - | - | - | 6:28 | - | - | - | - | - | - | - | 6:28 | - | - | - | - |
| Sunset | - | - | - | - | - | 4:32 | - | - | - | - | - | - | - | 4:32 | - | - | - | - | - | - | - | 4:32 | - | - |
 | | |  |  |  | | | | | |  | | |  |  | | | | | | | | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | 1 | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 13 | 10 | 10 | 10 | 11 | 11 | 12 | 12 | 13 | 14 | 14 | 14 | 14 | 14 | 13 | 13 | 14 | 14 | 15 | 16 | 16 | 16 | 17 | 17 |
| Feels °C (?) | -3 | -6 | -5 | -3 | -1 | 0 | 2 | 3 | 4 | 3 | 5 | 3 | 4 | 3 | 1 | 3 | 8 | 10 | 10 | 10 | 11 | 11 | 12 | 13 |
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Ocean Swells (m)- Wind Speed (km/h)
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