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Kaiser's (Hachijojima Island) surfForecast / Izu Islands / Japan
48hr Weather and Surf, issued 2 pm Wednesday 20 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 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 7PM is: 1.0m 10s primary swell from a East-southeast direction and 0.4m 9s secondary swell from a Northeast direction, 1.2m 5s secondary swell from a South-southwest direction (forecast issued at 02:00pm May 20). The wind direction is predicted to be cross-shore.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (20 May) | - | - |
| Afternoon (20 May) | 3.5ft (1.0m) | 10s |
| Evening (20 May) | 3.5ft (1.0m) | 9s |
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 34mm), heaviest during Thu night. Warm (max 24°C on Wed afternoon, min 20°C on Fri afternoon). Mainly strong winds. | ||||||||||||||||||||||||
Wed 20 | Thursday 21 | Friday 22 | Sat 23 | |||||||||||||||||||||
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 | 12 AM | 3 AM | 6 AM | 9 AM | |
Swell Height Map |    |    |    |    | ||||||||||||||||||||
SE 10 | ESE 10 | ESE 10 | ESE 9 | ESE 9 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | SSW 7 | ESE 10 | ESE 10 | NNE 9 | NNE 9 | NE 9 | NE 9 | |
275 | 192 | 188 | 168 | 168 | 172 | 142 | 145 | 132 | 105 | 105 | 103 | 103 | 71 | 72 | 74 | 72 | 161 | 51 | 51 | 1302 | 1564 | 1585 | 1502 | |
Wind (km/h) | ||||||||||||||||||||||||
cross | cross-off | cross-off | cross | cross | cross-off | cross | cross | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | off | cross-off | cross | cross | cross | cross | cross-on | cross-on | cross-on | |
High Tide | 9:13PM1.27m | 6:53AM1.40m | 10:07PM1.20m | 7:46AM1.33m | 11:06PM1.17m | 8:57AM1.25m | ||||||||||||||||||
Low Tide | 1:49PM-0.13m | 1:33AM1.00m | 2:42PM0.04m | 2:17AM1.02m | 3:41PM0.23m | 3:34AM1.03m | ||||||||||||||||||
 | | |  |  |  |  |  | | |  | | | |  |  |  | | | |  | | |  | |
 | — | — | — | — | — | 4:37 | — | — | — | — | — | — | — | 4:37 | — | — | — | — | — | — | — | 4:35 | — | — |
 | — | — | 6:36 | — | — | — | — | — | — | — | 6:36 | — | — | — | — | — | — | — | 6:37 | — | — | — | — | 6:37 |
1 | 3 | 2 | 1 | — | — | — | — | 1 | — | — | — | — | 1 | 12 | 6 | 4 | — | 1 | — | 1 | — | 1 | 1 | |
Temp °C | 23 | 24 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 24 | 23 | 23 | 23 | 23 | 23 | 22 | 21 | 20 | 21 | 21 | 21 | 21 | 21 | 21 |
24 | 23 | 21 | 22 | 21 | 21 | 21 | 19 | 18 | 20 | 19 | 19 | 18 | 18 | 18 | 21 | 18 | 14 | 15 | 14 | 14 | 15 | 15 | 14 | |
Swell 1 Height (m) Direction Period (s) | SE 10 | ESE 10 | ESE 10 | ESE 9 | ESE 9 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | W 8 | WSW 8 | SW 8 | WSW 8 | SW 8 | SW 8 | WSW 8 |
 kJ | 275 | 192 | 188 | 168 | 168 | 172 | 142 | 145 | 132 | 105 | 105 | 103 | 103 | 71 | 72 | 74 | 72 | 612 | 601 | 390 | 153 | 149 | 94 | 50 |
Swell 2 Height (m) Direction Period (s) | NE 9 | NE 9 | NE 9 | NE 9 | NE 9 | NE 9 | NE 8 | NE 8 | NE 8 | ENE 8 | NE 8 | NE 8 | NE 11 | NE 11 | NE 11 | NE 11 | NNE 8 | SSW 7 | ESE 10 | ESE 10 | S 7 | ESE 10 | S 6 | S 6 |
| kJ | 31 | 29 | 29 | 28 | 27 | 19 | 11 | 11 | 10 | 6 | 3 | 3 | 5 | 5 | 5 | 5 | 6 | 161 | 51 | 51 | 57 | 51 | 20 | 21 |
Swell 3 Height (m) Direction Period (s) | S 8 | — | — | — | — | — | — | — | N 12 | NE 12 | NE 12 | NE 11 | NE 8 | NE 8 | — | N 8 | NE 10 | SW 7 | ESE 10 | — | ESE 10 | — | ESE 11 | ESE 11 |
| kJ | 1 | — | — | — | — | — | — | — | 3 | 6 | 6 | 5 | 3 | 3 | — | 1 | 4 | 42 | 51 | — | 51 | — | 23 | 12 |
Wind waves Height (m) Direction Period (s) | S 4 | S 4 | SSW 4 | SSW 5 | SSW 5 | SSW 6 | SSW 6 | SSW 6 | SSW 6 | SW 7 | SW 7 | SW 7 | SW 7 | SW 7 | WSW 7 | WSW 8 | WSW 8 | — | N 7 | NNE 8 | NNE 9 | NNE 9 | NE 9 | NE 9 |
| kJ | 6 | 25 | 43 | 86 | 90 | 122 | 175 | 226 | 346 | 572 | 627 | 612 | 653 | 684 | 701 | 822 | 899 | — | 233 | 669 | 1302 | 1564 | 1585 | 1502 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 497 | 497 | 195 | 195 | 195 | 195 | 195 | 233 | 253 | 239 | 241 | 208 | 152 | 233 | 297 | 227 | 227 | 227 | 227 | 227 | 227 | 574 | 770 | 770 |
Best forecast wave conditions in Izu Islands | ||||||||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||||||||
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