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Kaiser's (Hachijojima Island) surfForecast / Izu Islands / Japan
48hr Weather and Surf, issued 2 am Thursday 16 Apr 2026 JSTForecast update in hr min s Forecast update imminent
Kaiser's (Hachijojima Island) surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Kaiser's (Hachijojima Island) sea temperature is
21.7° C
(Which is 2.1°C warmer than normal for this time of year)How big are the waves at Kaiser's (Hachijojima Island) today?
The current surf forecast for Kaiser's (Hachijojima Island) at 10AM is: 2.1m 15s primary swell from a South-southeast direction and 0.8m 8s secondary swell from a East-southeast direction (forecast issued at 02:00am April 16). An open ocean swell of 1.5m 5s is not directed at the surf break. The wind direction is predicted to be cross-shore.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (16 Apr) | 7ft (2.1m) | 15s |
| Afternoon (16 Apr) | 6.5ft (2.0m) | 14s |
| Evening (16 Apr) | 13ft (4.0m) | 9s |
Table - waves today at Kaiser's (Hachijojima Island). (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Thursday 16 | Friday 17 | Saturday 18 | ||||||||||||||||||||||
| 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 | 16 | 15 | 14 | 14 | 8 | 9 | 10 | 10 | 10 | 10 | 9 | 10 | 16 | 16 | 16 | 16 | 16 | 16 | 15 | 16 | 15 | 15 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 1724 | 2887 | 2023 | 1873 | 1647 | 1647 | 1143 | 2244 | 4768 | 4229 | 3045 | 2321 | 1914 | 1930 | 2358 | 2535 | 2766 | 2766 | 2523 | 2459 | 2516 | 3288 | 2705 | 2771 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- off | off | cross- off | cross | cross | cross | cross | cross | cross | cross | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | on | on | on | on | cross- on | cross- on | on |
High Tide / height (m) | 4:23AM 1.40 | 4:51PM 1.44 | 4:45AM 1.45 | 5:41PM 1.49 | 5:09AM 1.47 | 6:31PM 1.48 | ||||||||||||||||||
Low Tide / height (m) | 10:12PM 0.40 | 10:34AM 0.28 | 10:50PM 0.46 | 11:10AM 0.09 | 11:27PM 0.55 | 11:48AM -0.06 | ||||||||||||||||||
Thursday 16 | Friday 17 | Saturday 18 | ||||||||||||||||||||||
| Sunrise | - | - | 5:09 | - | - | - | - | - | - | - | 5:09 | - | - | - | - | - | - | - | 5:07 | - | - | - | - | - |
| Sunset | - | - | - | - | - | - | 6:09 | - | - | - | - | - | - | - | 6:10 | - | - | - | - | - | - | - | 6:12 | - |
 |  |  | |  | | |  | |  |  | | | | | | |  | | | | |  | | |
Rain (mm) | 3 | 2 | - | - | - | - | - | - | - | - | 1 | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 20 | 20 | 19 | 19 | 18 | 17 | 17 | 17 | 16 | 15 | 16 | 16 | 16 | 16 | 15 | 15 | 15 | 16 | 16 | 16 | 17 | 18 | 18 | 18 |
| Feels °C (?) | 17 | 18 | 13 | 12 | 8 | 7 | 7 | 7 | 4 | 5 | 7 | 7 | 8 | 9 | 8 | 8 | 8 | 11 | 12 | 13 | 14 | 15 | 14 | 15 |
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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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