Using Surf-Forecast’s Historical Surf Data To Find The Most Consistent Waves On Earth
Using our statistical data for 7000 spots dating back to 2006, we can find those waves that break the most, with the best winds.
Surf Forecasts:
Santos (Hachijojima Island) surfForecast / Izu Islands / Japan
48hr Weather and Surf, issued 8 pm Thursday 25 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
22.2° 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 12AM is: 0.9m 14s primary swell from a East-northeast direction and 1.2m 8s secondary swell from a Southeast direction (forecast issued at 08:00pm December 25). An open ocean swell of 2.5m 8s is not directed at the surf break. The wind direction is predicted to be offshore.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (26 Dec) | 4ft (1.2m) | 14s |
| Afternoon (26 Dec) | 4ft (1.2m) | 14s |
| Evening (26 Dec) | 3.5ft (1.0m) | 14s |
Table - waves today at Santos (Hachijojima Island). (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Thu 25 | Friday 26 | Saturday 27 | Sunday 28 | |||||||||||||||||||||
| 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) (?) | 15 | 15 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 13 | 13 | 13 | 14 | 14 | 14 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 157 | 209 | 313 | 322 | 519 | 504 | 490 | 497 | 425 | 431 | 549 | 519 | 527 | 542 | 542 | 519 | 504 | 415 | 408 | 408 | 408 | 347 | 357 | 347 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- off | cross- off | off | off | cross- off | off | off | off | off | off | off | off | off | off | off | off | off | off | off | off | off | off | off | off |
High Tide / height (m) | 7:42PM 1.36 | 9:48AM 1.31 | 8:35PM 1.27 | 10:27AM 1.30 | 9:48PM 1.16 | 11:08AM 1.29 | ||||||||||||||||||
Low Tide / height (m) | 2:51AM 0.30 | 3:14PM 0.88 | 3:33AM 0.42 | 4:28PM 0.81 | 4:23AM 0.56 | |||||||||||||||||||
Thu 25 | Friday 26 | Saturday 27 | Sunday 28 | |||||||||||||||||||||
| Sunrise | - | - | - | - | - | 6:41 | - | - | - | - | - | - | - | 6:41 | - | - | - | - | - | - | - | 6:41 | - | - |
| Sunset | - | - | - | - | - | - | - | 4:39 | - | - | - | - | - | - | - | 4:39 | - | - | - | - | - | - | - | 4:40 |
 | |  |  |  |  | | | | | | | | | | | | | | | | |  | | |
Rain (mm) | 2 | 2 | 1 | - | - | - | - | - | - | - | - | - | - | - | - | - | - | 1 | - | - | - | - | - | - |
| Temp. °C | 21 | 19 | 17 | 14 | 13 | 12 | 11 | 10 | 11 | 10 | 9 | 9 | 9 | 10 | 11 | 11 | 12 | 12 | 12 | 13 | 12 | 12 | 12 | 12 |
| Feels °C (?) | 15 | 12 | 7 | 2 | -1 | -2 | -3 | -3 | -1 | -2 | -3 | -3 | -1 | 2 | 3 | 4 | 7 | 6 | 4 | 4 | 4 | 4 | 5 | 7 |
- Map Icons:
Break
Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
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