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Santos (Hachijojima Island) surfForecast / Izu Islands / Japan
48hr Weather and Surf, issued 2 am Monday 04 May 2026 JSTForecast update in hr min s Forecast update imminent
Santos (Hachijojima Island) surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Santos (Hachijojima Island) sea temperature is
22.8° C
(Which is 2.2°C warmer than normal for this time of year)How big are the waves at Santos (Hachijojima Island) today?
The current surf forecast for Santos (Hachijojima Island) at 8AM is: 0.6m 10s primary swell from a East-southeast direction and 0.1m 10s secondary swell from a Northeast direction (forecast issued at 02:00am May 04). An open ocean swell of 3.5m 8s is not directed at the surf break. The wind direction is predicted to be cross-offshore.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (04 May) | 2ft (0.6m) | 10s |
| Afternoon (04 May) | 2ft (0.6m) | 10s |
| Evening (04 May) | 1.5ft (0.5m) | 10s |
Table - waves today at Santos (Hachijojima Island). (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastHeavy rain (total 62mm), heaviest during Wed night. Warm (max 22°C on Mon morning, min 17°C on Mon night). Winds decreasing (gales from the SW on Mon morning, light winds from the N by Tue morning). | ||||||||||||||||||||||||
Monday 4 | Tuesday 5 | Wednesday 6 | ||||||||||||||||||||||
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 |    |    |    | |||||||||||||||||||||
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 | ENE 10 | NE 7 | ESE 10 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | |
66 | 68 | 71 | 74 | 77 | 77 | 77 | 56 | 56 | 56 | 55 | 54 | 83 | 253 | 260 | 241 | 78 | 76 | 75 | 75 | 73 | 73 | 71 | 71 | |
Wind (km/h) | ||||||||||||||||||||||||
cross | cross | cross | cross-off | cross-off | cross-off | cross-off | off | off | off | off | cross-off | on | on | on | on | on | on | cross-on | on | cross-on | cross-on | cross-on | on | |
High Tide | 5:26AM1.47m | 7:38PM1.34m | 5:49AM1.43m | 8:18PM1.29m | 6:15AM1.37m | |||||||||||||||||||
Low Tide | 00:00AM0.89m | 12:36PM0.14m | 00:29AM0.92m | 1:08PM0.17m | 00:59AM0.94m | 1:43PM0.22m | ||||||||||||||||||
 |  |  | |  | | | | | | | | | | | | | | | | | | |  | |
 | — | 4:50 | — | — | — | — | — | — | — | 4:50 | — | — | — | — | — | — | — | 4:48 | — | — | — | — | — | — |
 | — | — | — | — | — | — | 6:23 | — | — | — | — | — | — | — | 6:24 | — | — | — | — | — | — | — | 6:24 | — |
— | — | — | — | 4 | 5 | — | — | — | — | — | — | — | — | — | — | — | — | 1 | 1 | 2 | 3 | 5 | 4 | |
Temp °C | 20 | 22 | 23 | 22 | 21 | 21 | 21 | 19 | 17 | 17 | 17 | 17 | 17 | 18 | 18 | 18 | 19 | 18 | 18 | 17 | 18 | 18 | 18 | 19 |
12 | 14 | 15 | 14 | 13 | 14 | 12 | 8 | 7 | 9 | 10 | 15 | 13 | 13 | 13 | 13 | 15 | 14 | 15 | 13 | 14 | 17 | 16 | 17 | |
Swell 1 Height (m) Direction Period (s) | ESE 9 | ESE 9 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | WSW 9 | WSW 8 | W 8 | NE 7 | NNE 7 | NNE 6 | ESE 9 | ESE 9 | ESE 5 | ESE 5 | ESE 5 | ESE 9 | ESE 9 |
 kJ | 66 | 68 | 71 | 74 | 77 | 77 | 77 | 56 | 56 | 56 | 55 | 547 | 367 | 291 | 260 | 131 | 51 | 76 | 75 | 48 | 37 | 30 | 71 | 71 |
Swell 2 Height (m) Direction Period (s) | NNE 10 | NE 10 | NE 10 | NE 10 | — | — | — | — | — | — | — | ESE 10 | NW 7 | NE 7 | WSW 8 | WSW 8 | WSW 8 | WSW 8 | WSW 7 | ESE 9 | ESE 9 | ESE 9 | WSW 7 | WSW 7 |
| kJ | 10 | 4 | 4 | 4 | — | — | — | — | — | — | — | 54 | 118 | 13 | 163 | 105 | 77 | 44 | 43 | 75 | 73 | 73 | 9 | 4 |
Swell 3 Height (m) Direction Period (s) | N 10 | N 9 | N 9 | — | — | — | — | — | — | — | — | SSE 6 | ESE 10 | SSE 6 | NW 7 | NW 7 | ESE 9 | NNE 6 | NNE 6 | WSW 7 | WSW 7 | WSW 7 | NE 9 | N 8 |
| kJ | 2 | 2 | 1 | — | — | — | — | — | — | — | — | 14 | 83 | 13 | 22 | 11 | 78 | 31 | 13 | 30 | 16 | 15 | 3 | 1 |
Wind waves Height (m) Direction Period (s) | SSW 7 | SW 7 | SW 8 | SW 8 | WSW 9 | WSW 10 | WSW 10 | W 10 | W 9 | W 9 | W 9 | NW 7 | — | ENE 10 | ESE 10 | ESE 10 | ESE 5 | SE 5 | ESE 5 | ESE 5 | — | — | ESE 5 | ESE 5 |
| kJ | 486 | 798 | 1087 | 1679 | 3082 | 3346 | 3009 | 3126 | 1884 | 1561 | 1169 | 156 | — | 253 | 81 | 241 | 72 | 69 | 47 | 56 | — | — | 41 | 42 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 737 | 497 | 494 | 480 | 480 | 510 | 494 | 249 | 249 | 237 | 240 | 0 | 191 | 191 | 249 | 249 | 227 | 263 | 227 | 227 | 227 | 227 | 227 | 152 |
Best forecast wave conditions in Izu Islands | ||||||||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||||||||
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