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Santos (Hachijojima Island) surfForecast / Izu Islands / Japan
48hr Weather and Surf, issued 2 pm Wednesday 13 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
23.4° C
(Which is 2.1°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 8PM is: 1.7m 10s primary swell from a East direction and 0.4m 10s secondary swell from a Northeast direction (forecast issued at 02:00pm May 13). The wind direction is predicted to be onshore.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (13 May) | - | - |
| Afternoon (13 May) | 5.5ft (1.7m) | 9s |
| Evening (13 May) | 5.5ft (1.7m) | 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 35mm), heaviest during Wed night. Warm (max 21°C on Wed afternoon, min 20°C on Wed night). Winds increasing (light winds from the ENE on Wed night, fresh winds from the ENE by Fri morning). | ||||||||||||||||||||||||
Wed 13 | Thursday 14 | Friday 15 | Sat 16 | |||||||||||||||||||||
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 | E 9 | E 10 | E 10 | E 10 | E 10 | E 10 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | ENE 9 | ENE 6 | ENE 6 | E 9 | E 9 | ENE 6 | E 6 | E 7 | E 7 | |
506 | 505 | 561 | 561 | 561 | 489 | 414 | 388 | 380 | 417 | 276 | 416 | 469 | 481 | 484 | 442 | 200 | 208 | 311 | 257 | 109 | 178 | 233 | 271 | |
Wind (km/h) | ||||||||||||||||||||||||
on | on | on | on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | on | cross-on | cross-on | cross-on | cross-on | |
High Tide | 2:52PM1.25m | 2:57AM1.38m | 3:56PM1.35m | 3:26AM1.43m | 4:53PM1.44m | 3:55AM1.46m | ||||||||||||||||||
Low Tide | 8:43PM0.64m | 9:27AM0.36m | 9:35PM0.68m | 10:09AM0.12m | 10:23PM0.74m | |||||||||||||||||||
 |  | |  |  | | | | | | |  | | | | | | | | |  | | | | |
 | — | — | — | — | — | 4:41 | — | — | — | — | — | — | — | 4:41 | — | — | — | — | — | — | — | 4:41 | — | — |
 | — | — | 6:30 | — | — | — | — | — | — | — | 6:30 | — | — | — | — | — | — | — | 6:31 | — | — | — | — | 6:32 |
3 | — | 2 | 3 | 6 | 1 | 2 | 3 | 2 | 1 | 4 | — | 2 | 2 | 1 | 2 | — | 2 | 1 | 1 | — | — | — | — | |
Temp °C | 20 | 21 | 21 | 20 | 20 | 21 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 |
18 | 20 | 20 | 18 | 19 | 20 | 18 | 18 | 16 | 16 | 16 | 16 | 17 | 16 | 15 | 14 | 15 | 15 | 15 | 16 | 16 | 16 | 16 | 16 | |
Swell 1 Height (m) Direction Period (s) | ESE 9 | E 9 | E 10 | E 10 | E 10 | E 10 | E 10 | E 9 | E 9 | NE 10 | E 9 | NE 10 | NE 10 | NE 10 | ESE 10 | ESE 9 | ESE 9 | ESE 9 | NNE 6 | NNE 6 | ENE 9 | ESE 9 | ESE 9 | ESE 9 |
 kJ | 506 | 505 | 561 | 561 | 561 | 489 | 414 | 388 | 380 | 24 | 276 | 24 | 24 | 24 | 61 | 58 | 58 | 58 | 80 | 61 | 103 | 30 | 34 | 28 |
Swell 2 Height (m) Direction Period (s) | NNE 9 | NE 11 | NE 11 | NE 10 | NE 10 | NE 10 | NE 10 | NE 10 | NE 10 | SSE 11 | NE 10 | SSE 12 | SE 12 | SSE 12 | NE 10 | NE 10 | SE 11 | SE 11 | ESE 9 | SE 9 | ESE 9 | NE 9 | SE 11 | SE 11 |
| kJ | 8 | 31 | 29 | 27 | 26 | 25 | 25 | 25 | 24 | 12 | 24 | 13 | 5 | 14 | 24 | 15 | 19 | 19 | 58 | 41 | 32 | 20 | 31 | 29 |
Swell 3 Height (m) Direction Period (s) | NE 12 | S 7 | S 7 | — | S 7 | S 7 | S 7 | — | — | SSE 12 | SE 11 | S 6 | S 7 | S 7 | SE 12 | SE 11 | NE 10 | NE 9 | SE 11 | SE 11 | SE 11 | SE 11 | NE 9 | NE 9 |
| kJ | 6 | 1 | 4 | — | 1 | 1 | 1 | — | — | 13 | 20 | 3 | 1 | 1 | 5 | 20 | 14 | 14 | 30 | 30 | 42 | 19 | 13 | 12 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | E 9 | E 5 | E 9 | E 9 | E 9 | E 9 | ENE 9 | ENE 6 | ENE 6 | E 9 | E 9 | ENE 6 | E 6 | E 7 | E 7 |
| kJ | — | — | — | — | — | — | — | — | — | 417 | 47 | 416 | 469 | 481 | 484 | 442 | 200 | 208 | 311 | 257 | 109 | 178 | 233 | 271 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 191 | 191 | 191 | 196 | 191 | 196 | 196 | 204 | 191 | 191 | 191 | 494 | 204 | 204 | 204 | 204 | 204 | 191 | 191 | 191 | 196 | 196 | 204 | 204 |
Best forecast wave conditions in Izu Islands | ||||||||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||||||||
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