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Santos (Hachijojima Island) surfForecast / Izu Islands / Japan
48hr Weather and Surf, issued 2 am Friday 15 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
23.6° 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 7AM is: 1.6m 9s primary swell from a East-northeast direction and 0.6m 9s secondary swell from a East-southeast direction, 0.4m 10s secondary swell from a Northeast direction (forecast issued at 02:00am May 15). The wind direction is predicted to be cross-onshore.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (15 May) | 5.5ft (1.7m) | 9s |
| Afternoon (15 May) | 6ft (1.8m) | 6s |
| Evening (15 May) | 6ft (1.9m) | 6s |
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 17mm), heaviest on Fri morning. Warm (max 21°C on Sat morning, min 20°C on Fri morning). Winds decreasing (fresh winds from the NE on Fri morning, light winds from the NNE by Sun night). | ||||||||||||||||||||||||
Friday 15 | Saturday 16 | Sunday 17 | ||||||||||||||||||||||
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 9 | E 9 | ENE 9 | ENE 9 | ENE 6 | ENE 6 | ENE 6 | ENE 6 | ENE 7 | ENE 7 | ENE 7 | E 7 | ENE 6 | ENE 7 | ENE 8 | E 7 | E 8 | E 8 | ESE 9 | E 9 | E 9 | E 9 | E 9 | E 9 | |
318 | 375 | 391 | 445 | 204 | 238 | 284 | 292 | 268 | 204 | 180 | 226 | 181 | 170 | 230 | 343 | 294 | 258 | 352 | 505 | 493 | 481 | 430 | 381 | |
Wind (km/h) | ||||||||||||||||||||||||
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 | cross-on | cross-on | cross | cross | cross | cross | cross | cross | cross-on | |
High Tide | 3:26AM1.43m | 4:53PM1.44m | 3:55AM1.46m | 5:47PM1.49m | 4:26AM1.48m | 6:39PM1.49m | ||||||||||||||||||
Low Tide | 9:35PM0.68m | 10:09AM0.12m | 10:23PM0.74m | 10:50AM-0.09m | 11:07PM0.80m | 11:32AM-0.23m | ||||||||||||||||||
 |  |  | | | |  | | | | | | | | | | | | | | | | | | |
 | — | 4:41 | — | — | — | — | — | — | — | 4:41 | — | — | — | — | — | — | — | 4:39 | — | — | — | — | — | — |
 | — | — | — | — | — | — | 6:31 | — | — | — | — | — | — | — | 6:32 | — | — | — | — | — | — | — | 6:32 | — |
— | 1 | 1 | 4 | 1 | 1 | — | 1 | 1 | 1 | 2 | 1 | 1 | — | — | — | — | 1 | 1 | 2 | — | — | — | — | |
Temp °C | 21 | 21 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 21 |
18 | 17 | 15 | 14 | 14 | 14 | 14 | 15 | 16 | 16 | 16 | 16 | 17 | 17 | 18 | 18 | 20 | 20 | 19 | 19 | 20 | 21 | 21 | 22 | |
Swell 1 Height (m) Direction Period (s) | E 9 | NE 10 | ESE 9 | ESE 10 | ESE 9 | ESE 9 | ESE 10 | ESE 9 | ESE 9 | ESE 9 | SE 9 | ESE 9 | SE 7 | ESE 7 | ESE 8 | ENE 8 | NNE 8 | E 8 | ESE 9 | ENE 9 | E 9 | E 9 | E 9 | E 9 |
 kJ | 318 | 24 | 58 | 61 | 58 | 58 | 35 | 52 | 53 | 49 | 75 | 34 | 73 | 131 | 161 | 28 | 76 | 258 | 352 | 31 | 493 | 481 | 430 | 381 |
Swell 2 Height (m) Direction Period (s) | NE 10 | SE 12 | NE 10 | SE 12 | SE 11 | SE 11 | SE 11 | SE 11 | NE 9 | NE 9 | NE 9 | SE 11 | NE 9 | NE 9 | SE 10 | SE 10 | SE 10 | ENE 9 | ENE 9 | ENE 9 | ENE 9 | NE 9 | NE 9 | NE 10 |
| kJ | 24 | 21 | 24 | 21 | 19 | 19 | 42 | 19 | 13 | 20 | 20 | 30 | 12 | 19 | 16 | 16 | 16 | 25 | 15 | 33 | 52 | 27 | 20 | 47 |
Swell 3 Height (m) Direction Period (s) | SE 12 | S 7 | SE 12 | NE 10 | S 6 | NE 9 | NE 9 | NE 9 | SE 11 | SE 11 | SE 11 | NE 9 | ESE 10 | SE 10 | SSE 14 | SE 14 | ENE 8 | S 15 | S 15 | — | — | — | — | — |
| kJ | 5 | 3 | 21 | 15 | 3 | 14 | 14 | 13 | 19 | 19 | 31 | 12 | 20 | 16 | 18 | 7 | 7 | 4 | 4 | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | — | E 9 | ENE 9 | ENE 9 | ENE 6 | ENE 6 | ENE 6 | ENE 6 | ENE 7 | ENE 7 | ENE 7 | E 7 | ENE 6 | ENE 7 | ENE 8 | E 7 | E 8 | NE 8 | NNE 9 | E 9 | — | — | — | — |
| kJ | — | 375 | 391 | 445 | 204 | 238 | 284 | 292 | 268 | 204 | 180 | 226 | 181 | 170 | 230 | 343 | 294 | 70 | 129 | 505 | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 204 | 204 | 204 | 204 | 204 | 191 | 191 | 191 | 196 | 204 | 204 | 204 | 191 | 204 | 191 | 191 | 191 | 152 | 152 | 152 | 152 | 196 | 196 | 152 |
Best forecast wave conditions in Izu Islands | ||||||||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||||||||
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