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Santos (Hachijojima Island) surfForecast / Izu Islands / Japan
48hr Weather and Surf, issued 2 am Sunday 31 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 1.0°C warmer than normal for this time of year)How big are the waves at Santos (Hachijojima Island) today (31 May):
- Morning surf: Morning surf (31 May, local time) - 2.5ft (0.8m), 12s period with S swell.
- Afternoon surf: Afternoon surf (31 May, local time) - 3.5ft (1.1m), 12s period with S swell.
- Evening surf: Evening surf (31 May, local time) - 4ft (1.2m), 11s period with S swell.
The current surf forecast for Santos (Hachijojima Island) at 11AM is: 1.0m 12s primary swell from a South direction and 0.9m 10s secondary swell from a East direction (forecast issued at 02:00am May 31). The wind direction is predicted to be offshore and the swell rating is 2.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (31 May) | 2.5ft (0.8m) | 12s |
| Afternoon (31 May) | 3.5ft (1.1m) | 12s |
| Evening (31 May) | 4ft (1.2m) | 11s |
Table - waves today at Santos (Hachijojima Island). (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastModerate rain (total 15mm), heaviest on Tue night. Warm (max 23°C on Sun morning, min 18°C on Sun afternoon). Winds increasing (calm on Sun morning, near gales from the ESE by Tue night). | ||||||||||||||||||||||||
Sunday 31 | Monday 1 | Tuesday 2 | ||||||||||||||||||||||
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 |    |    |    | |||||||||||||||||||||
E 10 | ESE 10 | S 14 | S 12 | S 12 | S 12 | S 11 | S 11 | S 11 | S 11 | S 11 | S 10 | S 12 | S 10 | S 11 | E 10 | E 10 | SSW 13 | SSW 13 | E 10 | E 10 | E 10 | E 9 | SE 6 | |
171 | 222 | 181 | 190 | 285 | 327 | 357 | 350 | 344 | 284 | 227 | 214 | 271 | 196 | 227 | 115 | 90 | 1012 | 1274 | 88 | 88 | 88 | 87 | 85 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-off | cross-off | cross-off | cross-off | glassy | cross-off | cross-on | cross-on | on | cross-on | on | on | on | on | on | on | on | on | on | on | cross-on | cross-on | cross-on | cross-on | |
High Tide | 4:05AM1.49m | 6:27PM1.38m | 4:35AM1.46m | 7:02PM1.38m | 5:06AM1.44m | 7:37PM1.37m | ||||||||||||||||||
Low Tide | 10:41PM0.97m | 11:22AM0.14m | 11:18PM0.97m | 11:54AM0.11m | 11:52PM0.96m | 12:27PM0.11m | ||||||||||||||||||
 | |  | | | |  |  |  | |  | | | |  | | | | | | | | | | |
 | — | 4:33 | — | — | — | — | — | — | — | 4:33 | — | — | — | — | — | — | — | 4:31 | — | — | — | — | — | — |
 | — | — | — | — | — | — | 6:43 | — | — | — | — | — | — | — | 6:43 | — | — | — | — | — | — | — | 6:44 | — |
— | — | — | — | — | — | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 23 | 23 | 23 | 23 | 23 | 22 | 18 | 19 | 19 | 19 | 19 | 20 | 20 | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 22 | 22 |
22 | 21 | 23 | 24 | 25 | 18 | 15 | 14 | 18 | 20 | 20 | 19 | 18 | 19 | 18 | 18 | 18 | 18 | 18 | 20 | 19 | 19 | 21 | 20 | |
Swell 1 Height (m) Direction Period (s) | E 10 | ESE 10 | E 10 | E 10 | S 12 | S 12 | S 11 | S 11 | S 11 | S 11 | S 11 | S 10 | S 12 | SSW 13 | S 11 | SSW 13 | SSW 12 | SSW 13 | SSW 13 | SW 13 | SW 13 | SW 13 | SW 12 | SW 13 |
 kJ | 171 | 222 | 162 | 159 | 285 | 327 | 357 | 350 | 344 | 284 | 227 | 214 | 271 | 472 | 227 | 812 | 477 | 1012 | 1274 | 1011 | 996 | 1034 | 578 | 961 |
Swell 2 Height (m) Direction Period (s) | WSW 7 | WSW 7 | S 14 | S 12 | E 10 | E 10 | E 10 | E 10 | E 10 | E 10 | SSW 16 | SSW 15 | SSW 14 | S 10 | SSW 13 | E 10 | SW 15 | E 10 | E 10 | E 10 | E 10 | E 10 | SW 15 | E 9 |
| kJ | 41 | 30 | 181 | 190 | 162 | 159 | 162 | 125 | 125 | 125 | 314 | 353 | 352 | 196 | 346 | 115 | 424 | 90 | 90 | 88 | 88 | 88 | 472 | 85 |
Swell 3 Height (m) Direction Period (s) | SSE 6 | SSW 16 | WSW 7 | WSW 6 | WSW 6 | SE 12 | WSW 7 | WSW 7 | WSW 7 | SSW 16 | E 10 | E 10 | E 10 | E 10 | E 10 | SE 11 | E 10 | SE 12 | SE 12 | SE 11 | SE 11 | SE 12 | E 9 | SE 11 |
| kJ | 10 | 80 | 25 | 23 | 16 | 22 | 15 | 17 | 9 | 162 | 125 | 122 | 120 | 117 | 117 | 20 | 90 | 21 | 21 | 19 | 19 | 21 | 87 | 19 |
Wind waves Height (m) Direction Period (s) | WNW 5 | WNW 4 | WNW 4 | — | — | WSW 6 | — | — | — | — | — | — | — | — | — | ESE 4 | SE 4 | SE 5 | SE 5 | SE 5 | SE 5 | SE 5 | SE 5 | SE 6 |
| kJ | 2 | 2 | 2 | — | — | 23 | — | — | — | — | — | — | — | — | — | 8 | 20 | 26 | 36 | 49 | 60 | 71 | 73 | 77 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 196 | 152 | 0 | 0 | 0 | 152 | 196 | 515 | 196 | 196 | 196 | 152 | 196 | 196 | 196 | 196 | 152 | 196 | 196 | 196 | 227 | 227 | 196 | 196 |
Best forecast wave conditions in Izu Islands | ||||||||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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