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Kaiser's (Hachijojima Island) surfForecast / Izu Islands / Japan
48hr Weather and Surf, issued 8 pm Tuesday 12 May 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
23.4° C
(Which is 2.2°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: 1.7m 9s primary swell from a East-southeast direction and 0.4m 10s secondary swell from a Northeast direction (forecast issued at 08:00pm May 12). The wind direction is predicted to be cross-shore.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (13 May) | 5ft (1.6m) | 9s |
| Afternoon (13 May) | 5.5ft (1.7m) | 9s |
| Evening (13 May) | 5.5ft (1.7m) | 10s |
Table - waves today at Kaiser's (Hachijojima Island). (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastModerate rain (total 18mm), heaviest on Thu night. Warm (max 21°C on Wed afternoon, min 19°C on Tue night). Winds increasing (calm on Wed afternoon, fresh winds from the E by Fri afternoon). | ||||||||||||||||||||||||
Tue 12 | Wednesday 13 | Thursday 14 | Friday 15 | |||||||||||||||||||||
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 |   |    |    |    | ||||||||||||||||||||
ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 10 | ESE 10 | E 10 | E 10 | E 10 | E 10 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | |
525 | 505 | 454 | 446 | 446 | 442 | 451 | 517 | 574 | 574 | 499 | 489 | 423 | 414 | 397 | 339 | 339 | 334 | 293 | 293 | 212 | 173 | 203 | 235 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-on | cross-on | cross-on | cross | cross | cross | cross | glassy | glassy | cross-off | cross-off | cross-off | cross-off | cross | cross | cross | cross | cross-on | on | cross-on | cross-on | cross-on | cross-on | on | |
High Tide | 2:28AM1.33m | 2:52PM1.25m | 2:57AM1.38m | 3:56PM1.35m | 3:26AM1.43m | |||||||||||||||||||
Low Tide | 7:46PM0.59m | 8:45AM0.60m | 8:43PM0.64m | 9:27AM0.36m | 9:35PM0.68m | 10:09AM0.12m | ||||||||||||||||||
 |  |  |  | |  | |  | |  | | |  | | | | | | | | | | | | |
 | — | — | — | 4:43 | — | — | — | — | — | — | — | 4:41 | — | — | — | — | — | — | — | 4:41 | — | — | — | — |
 | 6:30 | — | — | — | — | — | — | — | 6:30 | — | — | — | — | — | — | — | 6:30 | — | — | — | — | — | — | 6:31 |
— | — | — | — | — | — | — | 1 | 1 | 2 | 2 | — | — | 2 | 1 | — | — | — | 1 | 3 | 4 | 1 | — | — | |
Temp °C | 20 | 20 | 20 | 19 | 20 | 20 | 20 | 21 | 20 | 20 | 20 | 20 | 20 | 20 | 21 | 21 | 21 | 21 | 20 | 19 | 19 | 20 | 20 | 20 |
18 | 18 | 19 | 18 | 18 | 18 | 19 | 22 | 21 | 20 | 19 | 18 | 18 | 19 | 19 | 19 | 19 | 22 | 19 | 18 | 16 | 17 | 17 | 17 | |
Swell 1 Height (m) Direction Period (s) | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 10 | ESE 10 | E 10 | E 10 | E 10 | E 10 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | N 5 |
 kJ | 525 | 505 | 454 | 446 | 446 | 442 | 451 | 517 | 574 | 574 | 499 | 489 | 423 | 414 | 397 | 339 | 339 | 334 | 293 | 293 | 212 | 173 | 203 | 20 |
Swell 2 Height (m) Direction Period (s) | NE 10 | NE 10 | NE 10 | NNE 9 | NNE 9 | NNE 9 | NNE 9 | NE 11 | NE 11 | NE 10 | NE 10 | NE 10 | NE 10 | NE 10 | NE 10 | NE 10 | NE 10 | NE 10 | NE 10 | NNE 5 | NNE 5 | SE 10 | NNE 5 | ESE 9 |
| kJ | 25 | 24 | 23 | 8 | 8 | 8 | 8 | 31 | 29 | 27 | 26 | 25 | 25 | 25 | 24 | 24 | 24 | 24 | 24 | 17 | 17 | 74 | 22 | 58 |
Swell 3 Height (m) Direction Period (s) | NE 7 | N 7 | S 9 | — | NE 13 | NE 13 | NE 12 | S 7 | S 7 | — | S 7 | S 7 | S 7 | — | NNW 3 | SE 12 | SSE 12 | SSE 12 | SE 12 | NE 10 | ESE 9 | NNE 5 | SE 9 | SE 11 |
| kJ | 2 | 1 | 1 | — | 7 | 7 | 6 | 1 | 1 | — | 1 | 1 | 1 | — | 1 | 5 | 13 | 13 | 21 | 24 | 55 | 19 | 71 | 31 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | N 4 | N 4 | NNE 4 | NNE 5 | — | — | — | ESE 3 | E 9 |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 5 | 9 | 11 | 17 | — | — | — | 6 | 235 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 191 | 191 | 196 | 196 | 196 | 204 | 191 | 0 | 0 | 0 | 0 | 196 | 0 | 204 | 191 | 191 | 204 | 204 | 204 | 204 | 204 | 227 | 204 | 191 |
Best forecast wave conditions in Izu Islands | ||||||||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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