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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:
Kaiser's (Hachijojima Island) surfForecast / Izu Islands / Japan
48hr Weather and Surf, issued 8 pm Wednesday 24 Dec 2025 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
22.2° C
(Which is 1.6°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 1AM is: 2.5m 8s primary swell from a South direction and 1.2m 12s secondary swell from a East-northeast direction (forecast issued at 08:00pm December 24). An open ocean swell of 0.6m 9s is not directed at the surf break. The wind direction is predicted to be cross-shore.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (25 Dec) | 3ft (0.9m) | 11s |
| Afternoon (25 Dec) | 2.5ft (0.7m) | 11s |
| Evening (25 Dec) | 2.5ft (0.7m) | 15s |
Table - waves today at Kaiser's (Hachijojima Island). (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Wed 24 | Thursday 25 | Friday 26 | Saturday 27 | |||||||||||||||||||||
| 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) (?) | 8 | 8 | 8 | 8 | 11 | 11 | 11 | 11 | 15 | 15 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 1078 | 1148 | 892 | 890 | 251 | 207 | 151 | 123 | 157 | 209 | 313 | 512 | 519 | 504 | 490 | 497 | 425 | 437 | 549 | 527 | 534 | 549 | 542 | 527 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross | cross | cross | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | off | off | off | off | off | off | off | off | off | off | off | off | off | off | off |
High Tide / height (m) | 6:59PM 1.40 | 9:12AM 1.31 | 7:42PM 1.36 | 9:48AM 1.31 | 8:35PM 1.27 | 10:27AM 1.30 | ||||||||||||||||||
Low Tide / height (m) | 2:13AM 0.20 | 2:16PM 0.89 | 2:51AM 0.30 | 3:14PM 0.88 | 3:33AM 0.42 | |||||||||||||||||||
Wed 24 | Thursday 25 | Friday 26 | Saturday 27 | |||||||||||||||||||||
| Sunrise | - | - | - | - | - | 6:41 | - | - | - | - | - | - | - | 6:41 | - | - | - | - | - | - | - | 6:41 | - | - |
| Sunset | - | - | - | - | - | - | - | 4:38 | - | - | - | - | - | - | - | 4:39 | - | - | - | - | - | - | - | 4:39 |
 |  | | | |  | | |  |  | |  |  |  | | | | |  | | | | |  | |
Rain (mm) | 6 | 25 | 11 | 4 | 1 | 2 | 1 | 2 | 3 | 2 | 1 | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 18 | 18 | 19 | 21 | 20 | 21 | 21 | 20 | 20 | 18 | 16 | 13 | 12 | 11 | 10 | 11 | 11 | 10 | 9 | 9 | 9 | 10 | 10 | 11 |
| Feels °C (?) | 10 | 9 | 13 | 18 | 16 | 15 | 14 | 13 | 12 | 12 | 6 | 1 | -3 | -3 | -3 | -2 | -1 | -2 | -3 | -2 | 0 | 3 | 2 | 5 |
- 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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