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Kaiser's (Hachijojima Island) surfForecast / Izu Islands / Japan
48hr Weather and Surf, issued 2 am Saturday 23 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
23.8° C
(Which is 1.9°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 9AM is: 3.0m 9s primary swell from a Northeast direction and 0.4m 6s secondary swell from a South direction (forecast issued at 02:00am May 23). An open ocean swell of 0.5m 7s is not directed at the surf break. The wind direction is predicted to be cross-onshore.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (23 May) | 10ft (3.0m) | 9s |
| Afternoon (23 May) | 10ft (3.0m) | 9s |
| Evening (23 May) | 8ft (2.5m) | 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 49mm), heaviest during Sun morning. Warm (max 22°C on Mon morning, min 18°C on Sat night). Winds decreasing (strong winds from the E on Sun morning, light winds from the E by Mon night). | ||||||||||||||||||||||||
Saturday 23 | Sunday 24 | Monday 25 | ||||||||||||||||||||||
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 |    |    |    | |||||||||||||||||||||
NNE 10 | NNE 10 | NE 10 | NE 9 | NE 9 | ENE 9 | ENE 9 | ENE 9 | ENE 9 | E 9 | E 7 | E 7 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | ENE 10 | ENE 10 | ENE 10 | |
2159 | 2258 | 1886 | 1610 | 1499 | 1511 | 1292 | 1223 | 1145 | 1148 | 750 | 907 | 1020 | 1206 | 1268 | 1137 | 985 | 866 | 809 | 772 | 698 | 578 | 500 | 510 | |
Wind (km/h) | ||||||||||||||||||||||||
cross | cross-on | cross-on | cross-on | cross-on | on | on | on | on | on | on | on | on | on | on | on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | |
High Tide | 11:06PM1.17m | 8:57AM1.25m | 00:06AM1.19m | 10:38AM1.18m | 00:56AM1.25m | 12:37PM1.17m | ||||||||||||||||||
Low Tide | 3:34AM1.03m | 4:44PM0.42m | 5:29AM0.98m | 5:48PM0.58m | 7:06AM0.87m | 6:48PM0.71m | ||||||||||||||||||
 | |  | |  | | | |  | |  | | | | | | |  |  |  | | | |  | |
 | — | 4:35 | — | — | — | — | — | — | — | 4:35 | — | — | — | — | — | — | — | 4:35 | — | — | — | — | — | — |
 | — | — | — | — | — | — | 6:37 | — | — | — | — | — | — | — | 6:37 | — | — | — | — | — | — | — | 6:38 | — |
— | — | 1 | 1 | — | — | — | — | 3 | 5 | 12 | 13 | 3 | 3 | 3 | 2 | 2 | 1 | 1 | — | — | — | — | — | |
Temp °C | 20 | 21 | 20 | 21 | 20 | 20 | 19 | 20 | 18 | 18 | 18 | 19 | 19 | 19 | 20 | 20 | 21 | 21 | 21 | 21 | 22 | 22 | 22 | 21 |
13 | 15 | 14 | 15 | 13 | 14 | 13 | 14 | 12 | 13 | 12 | 12 | 12 | 12 | 14 | 16 | 18 | 18 | 16 | 16 | 18 | 19 | 19 | 19 | |
Swell 1 Height (m) Direction Period (s) | SW 8 | SW 7 | SW 7 | SW 7 | WSW 7 | SW 7 | SW 7 | WSW 7 | WSW 7 | WSW 7 | SW 7 | SW 7 | SW 7 | — | E 16 | SW 6 | E 8 | E 16 | SW 10 | SSW 8 | SSW 8 | ENE 10 | ENE 10 | ENE 10 |
 kJ | 125 | 77 | 62 | 25 | 19 | 12 | 12 | 5 | 5 | 4 | 2 | 2 | 2 | — | 5 | 2 | 822 | 5 | 4 | 22 | 87 | 578 | 500 | 510 |
Swell 2 Height (m) Direction Period (s) | ESE 9 | S 6 | S 6 | S 6 | S 6 | S 6 | — | SE 12 | SE 12 | — | — | — | — | — | E 16 | E 16 | — | E 16 | E 16 | SW 9 | E 16 | SSW 8 | S 7 | S 7 |
| kJ | 50 | 19 | 19 | 12 | 12 | 7 | — | 6 | 6 | — | — | — | — | — | 5 | 5 | — | 5 | 5 | 3 | 5 | 99 | 70 | 61 |
Swell 3 Height (m) Direction Period (s) | ESE 9 | — | — | ESE 11 | ESE 11 | — | — | — | — | — | — | — | — | — | — | — | — | E 16 | SW 10 | E 16 | WSW 9 | WSW 8 | SW 8 | SW 8 |
| kJ | 50 | — | — | 12 | 12 | — | — | — | — | — | — | — | — | — | — | — | — | 5 | 4 | 5 | 8 | 7 | 14 | 14 |
Wind waves Height (m) Direction Period (s) | NNE 10 | NNE 10 | NE 10 | NE 9 | NE 9 | ENE 9 | ENE 9 | ENE 9 | ENE 9 | E 9 | E 7 | E 7 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | ESE 8 | ESE 8 | ESE 8 |
| kJ | 2159 | 2258 | 1886 | 1610 | 1499 | 1511 | 1292 | 1223 | 1145 | 1148 | 750 | 907 | 1020 | 1206 | 1268 | 1137 | 985 | 866 | 809 | 772 | 698 | 183 | 153 | 153 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 546 | 738 | 770 | 779 | 218 | 218 | 218 | 546 | 218 | 218 | 204 | 218 | 191 | 191 | 191 | 191 | 204 | 204 | 204 | 204 | 191 | 191 | 191 | 191 |
Best forecast wave conditions in Izu Islands | ||||||||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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