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Surf Forecasts:
Kaiser's (Hachijojima Island) surfForecast / Izu Islands / Japan
48hr Weather and Surf, issued 2 am Wednesday 25 Feb 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
19.2° C
(Which is slightly warmer than usual)How big are the waves at Kaiser's (Hachijojima Island) today?
The current surf forecast for Kaiser's (Hachijojima Island) at 8AM is: 2.4m 7s primary swell from a South-southeast direction and 0.5m 14s secondary swell from a East-northeast direction, 0.4m 10s secondary swell from a East-northeast direction (forecast issued at 02:00am February 25). The wind direction is predicted to be cross-onshore.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (25 Feb) | 8ft (2.5m) | 7s |
| Afternoon (25 Feb) | 10ft (3.0m) | 8s |
| Evening (25 Feb) | 10ft (3.0m) | 8s |
Table - waves today at Kaiser's (Hachijojima Island). (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Wednesday 25 | Thursday 26 | Friday 27 | ||||||||||||||||||||||
| 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) (?) | 5 | 6 | 6 | 7 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 9 | 9 | 9 | 12 | 8 | 12 | 9 | 9 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 59 | 188 | 338 | 662 | 954 | 1075 | 1146 | 1241 | 2111 | 1649 | 809 | 588 | 450 | 370 | 227 | 261 | 215 | 247 | 216 | 189 | 158 | 139 | 672 | 469 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- on | cross- on | cross- on | cross- on | cross | cross- on | cross- on | cross- on | cross | cross- off | cross | cross | cross | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | off | off |
High Tide / height (m) | 11:44PM 0.83 | 9:08AM 1.11 | 9:55AM 1.03 | 4:45AM 0.96 | 12:14PM 0.98 | |||||||||||||||||||
Low Tide / height (m) | 2:48AM 0.79 | 5:55PM 0.14 | 7:36PM 0.07 | 8:16AM 0.91 | 8:52PM -0.02 | |||||||||||||||||||
Wednesday 25 | Thursday 26 | Friday 27 | ||||||||||||||||||||||
| Sunrise | - | - | - | 6:13 | - | - | - | - | - | - | - | 6:13 | - | - | - | - | - | - | - | 6:11 | - | - | - | - |
| Sunset | - | - | - | - | - | 5:32 | - | - | - | - | - | - | - | 5:34 | - | - | - | - | - | - | - | 5:35 | - | - |
 | |  |  |  |  |  |  | | |  | | | | | | | | | | | | | | |
Rain (mm) | - | - | - | - | 1 | 7 | 7 | 15 | 24 | 12 | 1 | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 18 | 18 | 18 | 18 | 17 | 17 | 17 | 17 | 17 | 16 | 15 | 14 | 12 | 12 | 12 | 13 | 13 | 13 | 15 | 15 | 16 | 16 | 16 | 16 |
| Feels °C (?) | 13 | 12 | 11 | 10 | 8 | 9 | 9 | 9 | 7 | 10 | 4 | 4 | 2 | 3 | 3 | 5 | 6 | 6 | 8 | 8 | 10 | 12 | 12 | 12 |
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