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Kaiser's (Hachijojima Island) surfForecast / Izu Islands / Japan
48hr Weather and Surf, issued 2 pm Thursday 30 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
22.0° 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: 2.3m 7s primary swell from a East direction (forecast issued at 02:00pm April 30). An open ocean swell of 0.3m 6s is not directed at the surf break, a second open ocean swell of 0.1m 5s is not directed at the surf break. The wind direction is predicted to be onshore.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (30 Apr) | - | - |
| Afternoon (30 Apr) | 7ft (2.1m) | 7s |
| Evening (30 Apr) | 8ft (2.4m) | 7s |
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 87mm), heaviest during Thu night. Warm (max 21°C on Thu night, min 17°C on Thu afternoon). Winds decreasing (near gales from the W on Fri night, moderate winds from the WSW by Sat night). | ||||||||||||||||||||||||
Thu 30 | Friday 1 | Saturday 2 | Sun 3 | |||||||||||||||||||||
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 |    |    |    |    | ||||||||||||||||||||
NE 7 | ENE 7 | E 7 | E 7 | ESE 7 | SE 7 | SSE 7 | ESE 8 | SE 8 | SE 8 | SE 8 | SE 8 | ESE 8 | SE 8 | ESE 9 | ESE 9 | ESE 9 | SE 10 | SE 9 | SE 10 | SE 10 | ESE 10 | E 9 | ESE 10 | |
183 | 420 | 488 | 530 | 600 | 429 | 778 | 425 | 398 | 299 | 169 | 128 | 106 | 75 | 75 | 73 | 46 | 47 | 41 | 46 | 47 | 64 | 57 | 61 | |
Wind (km/h) | ||||||||||||||||||||||||
on | on | on | on | on | cross-on | cross | cross | cross-off | cross-off | cross-off | cross-off | cross-off | off | off | off | off | off | off | cross-off | cross-off | cross-off | cross-off | cross-off | |
High Tide | 5:07PM1.40m | 4:26AM1.53m | 5:46PM1.41m | 4:46AM1.53m | 6:24PM1.40m | 5:05AM1.51m | ||||||||||||||||||
Low Tide | 10:40AM0.35m | 10:36PM0.74m | 11:11AM0.26m | 11:05PM0.80m | 11:39AM0.19m | 11:33PM0.85m | ||||||||||||||||||
 | |  |  |  | |  | | |  |  |  | |  |  | | | | |  | | |  | | |
 | — | — | — | — | — | 4:54 | — | — | — | — | — | — | — | 4:52 | — | — | — | — | — | — | — | 4:52 | — | — |
 | — | — | 6:21 | — | — | — | — | — | — | — | 6:22 | — | — | — | — | — | — | — | 6:22 | — | — | — | — | 6:22 |
1 | 2 | 6 | 6 | 17 | 25 | 13 | 5 | 8 | 5 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 20 | 18 | 17 | 18 | 18 | 20 | 21 | 20 | 20 | 21 | 20 | 19 | 19 | 18 | 18 | 18 | 18 | 19 | 20 | 21 | 20 | 20 | 20 | 20 |
16 | 12 | 10 | 11 | 12 | 16 | 14 | 13 | 13 | 15 | 12 | 8 | 8 | 6 | 7 | 8 | 11 | 12 | 14 | 18 | 17 | 17 | 17 | 17 | |
Swell 1 Height (m) Direction Period (s) | NE 7 | WSW 6 | WSW 6 | WSW 6 | SW 5 | E 7 | NE 8 | ESE 8 | SE 8 | SE 8 | SE 8 | SE 8 | ESE 8 | SE 8 | ESE 9 | ESE 9 | ESE 9 | SE 10 | WSW 9 | WSW 8 | NW 7 | NW 6 | E 9 | ESE 10 |
 kJ | 183 | 13 | 6 | 3 | 1 | 233 | 17 | 425 | 398 | 299 | 169 | 128 | 106 | 75 | 75 | 73 | 46 | 47 | 559 | 404 | 65 | 41 | 57 | 61 |
Swell 2 Height (m) Direction Period (s) | WSW 6 | NW 6 | NW 5 | NE 14 | NE 14 | NE 8 | NE 13 | NE 8 | NE 13 | NE 13 | E 9 | E 8 | NE 12 | E 8 | NE 12 | NE 12 | NE 11 | E 9 | NW 8 | NW 7 | SE 10 | ESE 10 | NW 6 | E 9 |
| kJ | 22 | 8 | 1 | 8 | 7 | 11 | 7 | 10 | 27 | 27 | 52 | 34 | 38 | 12 | 23 | 22 | 20 | 24 | 182 | 105 | 47 | 64 | 23 | 41 |
Swell 3 Height (m) Direction Period (s) | WNW 6 | — | — | — | — | NE 14 | NE 13 | NNE 13 | NNE 8 | NE 8 | NE 13 | NE 13 | NE 12 | NE 12 | — | — | SE 7 | NE 11 | SE 9 | SE 10 | E 9 | E 9 | SE 10 | NW 5 |
| kJ | 12 | — | — | — | — | 7 | 7 | 17 | 7 | 3 | 27 | 41 | 39 | 37 | — | — | 2 | 20 | 41 | 46 | 41 | 41 | 49 | 10 |
Wind waves Height (m) Direction Period (s) | SE 8 | ENE 7 | E 7 | E 7 | ESE 7 | SE 7 | SSE 7 | SSW 7 | SW 7 | WSW 8 | WSW 8 | WSW 9 | W 10 | W 10 | W 10 | W 10 | W 9 | W 9 | — | — | WSW 8 | WSW 8 | WSW 7 | WSW 7 |
| kJ | 74 | 420 | 488 | 530 | 600 | 429 | 778 | 589 | 830 | 1375 | 1556 | 2794 | 4368 | 4067 | 3696 | 2872 | 2003 | 1245 | — | — | 284 | 226 | 181 | 151 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 204 | 218 | 768 | 803 | 738 | 218 | 497 | 196 | 191 | 497 | 494 | 494 | 494 | 494 | 228 | 191 | 233 | 237 | 155 | 204 | 204 | 208 | 208 | 204 |
Best forecast wave conditions in Izu Islands | ||||||||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||||||||
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