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Kaiser's (Hachijojima Island) surfForecast / Izu Islands / Japan
48hr Weather and Surf, issued 8 pm Friday 24 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 4AM is: 2.5m 8s primary swell from a East-northeast direction and 0.6m 15s secondary swell from a Northeast direction (forecast issued at 08:00pm April 24). An open ocean swell of 0.9m 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) | 10ft (3.0m) | 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 39mm), heaviest during Sun night. Warm (max 20°C on Sun night, min 16°C on Sat night). Winds decreasing (strong winds from the ENE on Sat morning, light winds from the WNW by Mon afternoon). | ||||||||||||||||||||||||
Fri 24 | Saturday 25 | Sunday 26 | Monday 27 | |||||||||||||||||||||
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 | 12 AM | 3 AM | 6 AM | 9 AM | 12 PM | 3 PM | |
Swell Height Map |   |    |    |    | ||||||||||||||||||||
NE 8 | NE 8 | NE 8 | ENE 7 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | E 8 | E 8 | NE 15 | NE 14 | NE 14 | NE 14 | NE 14 | NE 13 | NE 13 | NE 13 | NE 13 | NE 13 | NE 12 | |
789 | 734 | 724 | 730 | 770 | 894 | 890 | 784 | 744 | 727 | 607 | 545 | 447 | 773 | 821 | 731 | 630 | 586 | 560 | 609 | 480 | 480 | 369 | 335 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | on | on | on | on | on | on | cross-off | cross-off | cross-off | cross-off | off | |
High Tide | 2:27AM1.05m | 10:05AM1.10m | 2:45AM1.12m | 12:52PM1.10m | 3:04AM1.21m | 2:30PM1.20m | ||||||||||||||||||
Low Tide | 5:14PM0.27m | 5:38AM1.03m | 6:41PM0.38m | 7:51AM0.92m | 7:52PM0.45m | 8:48AM0.77m | ||||||||||||||||||
 |  | |  |  | | | | | | | | | | | | | |  |  | |  | |  | |
 | — | — | — | 5:00 | — | — | — | — | — | — | — | 4:58 | — | — | — | — | — | — | — | 4:58 | — | — | — | — |
 | 6:15 | — | — | — | — | — | — | — | 6:16 | — | — | — | — | — | — | — | 6:17 | — | — | — | — | — | — | 6:19 |
3 | 1 | 2 | — | — | — | — | — | — | — | — | — | — | — | — | 1 | 2 | 2 | 9 | 11 | 3 | 2 | 3 | 2 | |
Temp °C | 17 | 18 | 18 | 18 | 18 | 17 | 17 | 17 | 17 | 16 | 16 | 16 | 17 | 17 | 17 | 17 | 17 | 18 | 18 | 20 | 20 | 20 | 20 | 19 |
9 | 11 | 10 | 9 | 10 | 8 | 8 | 9 | 8 | 8 | 9 | 9 | 11 | 11 | 11 | 12 | 12 | 13 | 13 | 18 | 15 | 16 | 18 | 19 | |
Swell 1 Height (m) Direction Period (s) | S 8 | WSW 9 | SW 8 | SW 8 | 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 | NE 13 | ESE 7 | NE 13 | NE 13 | SW 6 |
 kJ | 165 | 132 | 105 | 132 | 78 | 297 | 384 | 342 | 380 | 326 | 311 | 411 | 447 | 773 | 821 | 731 | 630 | 586 | 560 | 609 | 180 | 480 | 369 | 115 |
Swell 2 Height (m) Direction Period (s) | WSW 9 | S 8 | S 7 | NE 15 | NE 14 | SW 8 | SW 8 | SW 8 | SW 8 | NE 16 | NE 16 | NE 12 | NE 12 | SW 7 | SE 13 | NE 8 | SE 13 | NE 7 | SW 7 | SW 7 | NE 13 | ESE 7 | ESE 7 | NE 12 |
| kJ | 168 | 74 | 53 | 183 | 251 | 53 | 32 | 16 | 14 | 206 | 211 | 202 | 236 | 2 | 7 | 90 | 7 | 59 | 2 | 2 | 480 | 102 | 82 | 335 |
Swell 3 Height (m) Direction Period (s) | ESE 12 | NE 16 | NE 15 | SE 12 | ESE 12 | SE 11 | SE 11 | SE 14 | — | SW 7 | SW 7 | SSW 7 | SW 7 | SE 13 | SE 13 | SE 13 | S 17 | SW 7 | SE 12 | SE 12 | SE 12 | SE 12 | ENE 10 | ESE 7 |
| kJ | 14 | 61 | 116 | 5 | 13 | 5 | 5 | 8 | — | 8 | 8 | 5 | 2 | 7 | 7 | 7 | 5 | 2 | 6 | 6 | 6 | 6 | 10 | 82 |
Wind waves Height (m) Direction Period (s) | NE 8 | NE 8 | NE 8 | ENE 7 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | E 8 | E 8 | E 8 | E 7 | ESE 7 | E 7 | ESE 7 | ESE 7 | ESE 7 | SSW 5 | SSW 6 | SW 6 | — |
| kJ | 789 | 734 | 724 | 730 | 770 | 894 | 890 | 784 | 744 | 727 | 607 | 545 | 408 | 403 | 330 | 245 | 321 | 247 | 277 | 277 | 54 | 101 | 111 | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 191 | 204 | 218 | 495 | 495 | 480 | 204 | 191 | 774 | 191 | 191 | 218 | 204 | 248 | 191 | 191 | 218 | 218 | 191 | 204 | 511 | 297 | 227 | 0 |
Best forecast wave conditions in Izu Islands | ||||||||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||||||||
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