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Kaiser's (Hachijojima Island) surfForecast / Izu Islands / Japan
48hr Weather and Surf, issued 2 pm Saturday 02 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
22.6° 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 8PM is: 0.5m 10s primary swell from a Southeast direction (forecast issued at 02:00pm May 02). An open ocean swell of 1.2m 7s is not directed at the surf break, a second open ocean swell of 1.8m 9s is not directed at the surf break. The wind direction is predicted to be cross-offshore.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (02 May) | - | - |
| Afternoon (02 May) | 2.5ft (0.7m) | 9s |
| Evening (02 May) | 1.5ft (0.5m) | 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 10mm), heaviest on Mon morning. Warm (max 23°C on Sun night, min 17°C on Mon night). Winds decreasing (gales from the SSW on Sun night, light winds from the NE by Tue morning). | ||||||||||||||||||||||||
Sat 2 | Sunday 3 | Monday 4 | Tue 5 | |||||||||||||||||||||
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 |    |    |    |    | ||||||||||||||||||||
ESE 9 | ESE 9 | SE 9 | SE 10 | SE 10 | SE 10 | E 10 | ESE 9 | ESE 9 | ESE 9 | 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 | |
54 | 70 | 41 | 46 | 47 | 49 | 46 | 55 | 56 | 55 | 61 | 60 | 88 | 68 | 72 | 74 | 75 | 77 | 77 | 56 | 56 | 55 | 54 | 54 | |
Wind (km/h) | ||||||||||||||||||||||||
off | off | off | cross-off | off | cross-off | cross-off | cross-off | cross | cross | cross | cross | cross | cross | cross | cross-off | cross-off | cross-off | cross-off | cross-off | off | off | off | cross-on | |
High Tide | 6:24PM1.40m | 5:05AM1.51m | 7:00PM1.38m | 5:26AM1.47m | 7:38PM1.34m | 5:49AM1.43m | ||||||||||||||||||
Low Tide | 11:39AM0.19m | 11:33PM0.85m | 12:07PM0.15m | 00:00AM0.89m | 12:36PM0.14m | 00:29AM0.92m | ||||||||||||||||||
 | |  |  | |  |  | | | | | |  | | |  |  | | | | | | | | |
 | — | — | — | — | — | 4:52 | — | — | — | — | — | — | — | 4:50 | — | — | — | — | — | — | — | 4:50 | — | — |
 | — | — | 6:22 | — | — | — | — | — | — | — | 6:22 | — | — | — | — | — | — | — | 6:23 | — | — | — | — | 6:24 |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 2 | 6 | 1 | 1 | — | — | — | — | — | |
Temp °C | 19 | 20 | 21 | 21 | 21 | 21 | 21 | 21 | 20 | 20 | 20 | 20 | 20 | 22 | 23 | 23 | 20 | 20 | 21 | 20 | 19 | 17 | 17 | 17 |
12 | 13 | 15 | 16 | 17 | 18 | 17 | 17 | 15 | 14 | 13 | 13 | 13 | 14 | 15 | 15 | 12 | 11 | 13 | 11 | 11 | 9 | 11 | 15 | |
Swell 1 Height (m) Direction Period (s) | ESE 9 | ESE 9 | SE 9 | NW 7 | NW 7 | NW 6 | NW 6 | ESE 9 | ESE 9 | ESE 9 | 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 | W 9 |
 kJ | 54 | 70 | 41 | 156 | 75 | 36 | 20 | 55 | 56 | 55 | 61 | 60 | 88 | 68 | 72 | 74 | 75 | 77 | 77 | 56 | 56 | 55 | 54 | 710 |
Swell 2 Height (m) Direction Period (s) | NE 12 | NE 11 | S 7 | SE 10 | SE 10 | E 9 | SE 9 | E 10 | E 10 | E 10 | E 9 | E 9 | NNE 10 | NE 10 | NE 10 | NE 10 | — | — | — | — | — | SSE 7 | SSE 7 | ESE 10 |
| kJ | 21 | 20 | 15 | 46 | 47 | 39 | 42 | 46 | 45 | 45 | 26 | 25 | 10 | 4 | 4 | 4 | — | — | — | — | — | 20 | 19 | 54 |
Swell 3 Height (m) Direction Period (s) | NW 12 | NE 11 | E 9 | S 7 | E 9 | SE 10 | E 10 | NW 5 | NW 5 | NNE 11 | NNE 11 | NNE 10 | N 10 | N 9 | N 8 | — | — | — | — | — | — | — | — | S 7 |
| kJ | 6 | 20 | 13 | 15 | 27 | 49 | 46 | 10 | 4 | 11 | 11 | 11 | 2 | 2 | 1 | — | — | — | — | — | — | — | — | 23 |
Wind waves Height (m) Direction Period (s) | W 10 | W 9 | W 8 | WSW 9 | WSW 8 | WSW 8 | WSW 8 | SW 7 | SW 5 | SW 5 | SSW 6 | SW 6 | SSW 6 | SW 7 | SW 8 | SW 8 | WSW 9 | WSW 10 | WSW 9 | WSW 9 | W 9 | W 9 | W 9 | NNW 7 |
| kJ | 2053 | 1219 | 887 | 455 | 291 | 226 | 173 | 151 | 66 | 94 | 170 | 275 | 451 | 846 | 1313 | 1969 | 2934 | 2749 | 2824 | 2039 | 1646 | 1320 | 1134 | 116 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 525 | 218 | 204 | 191 | 152 | 152 | 152 | 152 | 574 | 1010 | 1317 | 738 | 497 | 497 | 495 | 495 | 480 | 480 | 494 | 249 | 234 | 231 | 204 | 191 |
Best forecast wave conditions in Izu Islands | ||||||||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||||||||
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