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Kaiser's (Hachijojima Island) surfForecast / Izu Islands / Japan
48hr Weather and Surf, issued 2 am Saturday 25 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
22.1° 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 7AM is: 3.0m 8s primary swell from a East-northeast direction and 0.1m 12s secondary swell from a Southeast direction (forecast issued at 02:00am April 25). An open ocean swell of 0.8m 8s is not directed at the surf break. The wind direction is predicted to be cross-onshore.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (25 Apr) | 8ft (2.5m) | 8s |
| Afternoon (25 Apr) | 8ft (2.5m) | 8s |
| Evening (25 Apr) | 8ft (2.5m) | 8s |
Table - waves today at Kaiser's (Hachijojima Island). (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastHeavy rain (total 53mm), heaviest during Sun night. Warm (max 20°C on Sun night, min 16°C on Sat morning). Winds decreasing (strong winds from the WSW on Sun night, calm by Mon night). | ||||||||||||||||||||||||
Saturday 25 | Sunday 26 | Monday 27 | ||||||||||||||||||||||
12 AM | 3 AM | 6 AM | 9 AM | 12 PM | 3 PM | 6 PM | 9 PM | 12 AM | 3 AM | 6 AM | 9 AM | 12 PM | 3 PM | 6 PM | 9 PM | 12 AM | 3 AM | 6 AM | 9 AM | 12 PM | 3 PM | 6 PM | 9 PM | |
Swell Height Map |    |    |    | |||||||||||||||||||||
NE 8 | ENE 7 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | E 8 | NE 15 | NE 15 | NE 14 | NE 14 | NE 14 | NE 14 | NE 13 | NE 13 | NE 13 | NE 13 | NE 13 | NE 12 | NE 12 | NNE 7 | |
769 | 730 | 937 | 789 | 786 | 801 | 744 | 711 | 561 | 531 | 447 | 773 | 821 | 731 | 630 | 586 | 444 | 437 | 480 | 374 | 369 | 252 | 172 | 154 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | on | cross-on | on | on | on | on | cross-on | cross | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | |
High Tide | 2:27AM1.05m | 10:05AM1.10m | 2:45AM1.12m | 12:52PM1.10m | 3:04AM1.21m | 2:30PM1.20m | ||||||||||||||||||
Low Tide | 5:38AM1.03m | 6:41PM0.38m | 7:51AM0.92m | 7:52PM0.45m | 8:48AM0.77m | 8:45PM0.52m | ||||||||||||||||||
 |  |  | | | | |  | | | | | | |  | |  |  |  |  |  |  |  | | |
 | — | 5:00 | — | — | — | — | — | — | — | 4:58 | — | — | — | — | — | — | — | 4:58 | — | — | — | — | — | — |
 | — | — | — | — | — | — | 6:16 | — | — | — | — | — | — | — | 6:17 | — | — | — | — | — | — | — | 6:19 | — |
2 | — | — | — | — | — | — | — | — | — | — | — | — | — | 2 | 1 | 24 | 9 | 12 | 4 | 1 | — | — | — | |
Temp °C | 18 | 18 | 16 | 16 | 16 | 17 | 17 | 16 | 16 | 17 | 17 | 17 | 17 | 18 | 17 | 18 | 19 | 20 | 19 | 20 | 20 | 19 | 17 | 18 |
9 | 9 | 6 | 7 | 7 | 8 | 8 | 8 | 9 | 11 | 11 | 11 | 11 | 13 | 13 | 13 | 17 | 15 | 13 | 15 | 14 | 13 | 10 | 16 | |
Swell 1 Height (m) Direction Period (s) | SW 8 | SW 9 | SW 8 | NE 14 | NE 14 | NE 13 | NE 13 | NE 13 | NE 13 | NE 16 | NE 15 | NE 15 | NE 14 | NE 14 | NE 14 | NE 14 | NE 13 | ESE 7 | ESE 7 | NE 13 | NE 13 | SW 7 | SW 7 | NNE 7 |
 kJ | 105 | 75 | 80 | 297 | 327 | 342 | 380 | 326 | 405 | 411 | 447 | 773 | 821 | 731 | 630 | 586 | 444 | 372 | 149 | 374 | 369 | 195 | 147 | 154 |
Swell 2 Height (m) Direction Period (s) | S 7 | S 8 | SE 12 | SW 8 | SW 8 | SW 8 | SW 7 | NE 16 | NE 16 | NE 12 | NE 12 | SW 7 | SE 13 | SE 13 | NE 8 | SW 7 | SW 7 | NE 13 | NE 13 | ESE 7 | ESE 7 | NE 12 | NE 12 | SW 7 |
| kJ | 53 | 41 | 5 | 53 | 24 | 22 | 14 | 206 | 211 | 202 | 236 | 2 | 7 | 7 | 63 | 2 | 2 | 437 | 480 | 91 | 66 | 252 | 172 | 128 |
Swell 3 Height (m) Direction Period (s) | NE 15 | NE 15 | SE 14 | ESE 11 | S 7 | S 6 | SE 14 | SW 7 | SW 7 | SSW 7 | SW 7 | SE 13 | SE 13 | SE 13 | SE 13 | SE 13 | SE 12 | SE 12 | SSE 6 | SE 12 | SE 12 | NNE 6 | ESE 7 | NE 12 |
| kJ | 116 | 183 | 8 | 12 | 8 | 3 | 7 | 8 | 8 | 5 | 2 | 7 | 7 | 7 | 7 | 6 | 6 | 6 | 22 | 6 | 6 | 42 | 38 | 144 |
Wind waves Height (m) Direction Period (s) | NE 8 | ENE 7 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | E 8 | E 7 | E 7 | E 7 | E 7 | ESE 7 | E 7 | ESE 7 | — | SW 6 | SW 7 | SW 7 | SW 7 | NNE 6 | — |
| kJ | 769 | 730 | 937 | 789 | 786 | 801 | 744 | 711 | 561 | 531 | 434 | 411 | 347 | 338 | 277 | 345 | 350 | — | 216 | 337 | 208 | 261 | 130 | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 218 | 495 | 494 | 480 | 204 | 191 | 191 | 191 | 191 | 204 | 204 | 204 | 218 | 248 | 248 | 218 | 218 | 218 | 152 | 494 | 233 | 227 | 208 | 191 |
Best forecast wave conditions in Izu Islands | ||||||||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||||||||
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