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Santos (Hachijojima Island) surfForecast / Izu Islands / Japan
48hr Weather and Surf, issued 8 pm Saturday 16 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
23.9° C
(Which is 2.3°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 1AM is: 1.1m 7s primary swell from a East-southeast direction and 0.5m 9s secondary swell from a East direction, 0.7m 8s secondary swell from a North-northeast direction (forecast issued at 08:00pm May 16). The wind direction is predicted to be cross-offshore.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (17 May) | 4ft (1.2m) | 9s |
| Afternoon (17 May) | 4.5ft (1.4m) | 8s |
| Evening (17 May) | 5ft (1.5m) | 8s |
Table - waves today at Santos (Hachijojima Island). (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastLight rain (total 4mm), mostly falling on Tue afternoon. Warm (max 22°C on Tue afternoon, min 20°C on Sat night). Wind will be generally light. | ||||||||||||||||||||||||
Sat 16 | Sunday 17 | Monday 18 | Tuesday 19 | |||||||||||||||||||||
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 | 12 PM | 3 PM | |
Swell Height Map |   |    |    |    | ||||||||||||||||||||
ESE 7 | ESE 7 | ESE 7 | E 7 | E 9 | E 9 | ESE 9 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 9 | E 9 | E 8 | E 8 | E 8 | SE 9 | SE 11 | SE 11 | SE 10 | SE 11 | |
143 | 125 | 125 | 152 | 188 | 210 | 189 | 279 | 324 | 320 | 271 | 235 | 241 | 205 | 215 | 220 | 190 | 132 | 119 | 112 | 159 | 187 | 235 | 220 | |
Wind (km/h) | ||||||||||||||||||||||||
cross | cross | cross | cross-off | cross-off | cross-off | cross-off | cross-off | cross | cross-on | cross | cross-on | cross-on | on | on | on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | |
High Tide | 5:47PM1.49m | 4:26AM1.48m | 6:39PM1.49m | 4:59AM1.48m | 7:30PM1.44m | 5:33AM1.47m | ||||||||||||||||||
Low Tide | 11:07PM0.80m | 11:32AM-0.23m | 11:48PM0.87m | 12:15PM-0.29m | 00:24AM0.92m | 1:00PM-0.25m | ||||||||||||||||||
 |  | | |  |  | | | | | | | | | | | |  | | | | | |  | |
 | — | — | — | 4:39 | — | — | — | — | — | — | — | 4:39 | — | — | — | — | — | — | — | 4:39 | — | — | — | — |
 | 6:32 | — | — | — | — | — | — | — | 6:32 | — | — | — | — | — | — | — | 6:34 | — | — | — | — | — | — | 6:35 |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 2 | |
Temp °C | 20 | 20 | 20 | 20 | 20 | 20 | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 20 | 21 | 21 | 21 | 21 | 21 | 21 | 20 | 21 | 21 | 21 |
17 | 18 | 18 | 18 | 18 | 17 | 18 | 20 | 18 | 20 | 19 | 20 | 20 | 19 | 20 | 20 | 21 | 20 | 21 | 21 | 19 | 20 | 20 | 22 | |
Swell 1 Height (m) Direction Period (s) | ESE 7 | ESE 7 | ESE 7 | E 7 | E 9 | E 9 | ESE 9 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 9 | E 9 | E 8 | E 8 | E 8 | SE 9 | E 9 | E 9 | SE 10 | SE 11 |
 kJ | 143 | 125 | 125 | 152 | 188 | 210 | 189 | 279 | 324 | 320 | 271 | 235 | 241 | 205 | 215 | 220 | 190 | 132 | 119 | 112 | 132 | 132 | 235 | 220 |
Swell 2 Height (m) Direction Period (s) | E 8 | E 8 | E 9 | NE 8 | NE 9 | NE 9 | NE 8 | NE 9 | SSE 7 | SSE 7 | NE 10 | NE 9 | NE 9 | NE 9 | NE 9 | NE 9 | NE 10 | SE 9 | SE 9 | E 8 | SE 11 | NE 9 | E 9 | E 10 |
| kJ | 51 | 36 | 39 | 35 | 38 | 40 | 35 | 28 | 5 | 5 | 34 | 26 | 41 | 30 | 30 | 31 | 33 | 101 | 95 | 82 | 159 | 29 | 99 | 113 |
Swell 3 Height (m) Direction Period (s) | NE 8 | NE 8 | SE 10 | ENE 8 | ENE 8 | NE 9 | ENE 9 | SE 7 | SE 12 | SSE 7 | SSE 7 | SSE 7 | SE 7 | SE 7 | SE 7 | SE 11 | SE 10 | NE 10 | NE 10 | ESE 10 | NE 9 | — | NE 9 | NE 9 |
| kJ | 18 | 24 | 16 | 24 | 23 | 20 | 32 | 2 | 6 | 5 | 5 | 10 | 14 | 13 | 13 | 19 | 37 | 33 | 33 | 33 | 29 | — | 29 | 29 |
Wind waves Height (m) Direction Period (s) | NNE 7 | NNE 6 | NNE 8 | — | — | NW 3 | NNE 4 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | SE 11 | — | — |
| kJ | 29 | 23 | 61 | — | — | 1 | 15 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 187 | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 191 | 155 | 155 | 152 | 152 | 152 | 152 | 0 | 152 | 152 | 152 | 191 | 191 | 191 | 249 | 196 | 152 | 152 | 152 | 152 | 152 | 152 | 152 | 152 |
Best forecast wave conditions in Izu Islands | ||||||||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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