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Santos (Hachijojima Island) surfForecast / Izu Islands / Japan
48hr Weather and Surf, issued 2 pm Wednesday 22 Apr 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
22.1° 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 11PM is: 1.4m 7s primary swell from a East direction and 0.8m 12s secondary swell from a Northeast direction (forecast issued at 02:00pm April 22). An open ocean swell of 0.1m 6s is not directed at the surf break. The wind direction is predicted to be cross-offshore.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (22 Apr) | - | - |
| Afternoon (22 Apr) | 5ft (1.6m) | 7s |
| Evening (22 Apr) | 4.5ft (1.4m) | 7s |
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 34mm), heaviest during Thu night. Warm (max 21°C on Thu night, min 16°C on Thu morning). Mainly near gales. | ||||||||||||||||||||||||
Wed 22 | Thursday 23 | Friday 24 | Sat 25 | |||||||||||||||||||||
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 |    |    |    |    | ||||||||||||||||||||
E 7 | E 7 | E 7 | ESE 7 | E 7 | NE 14 | NE 14 | NE 14 | NE 14 | E 9 | NE 14 | NE 13 | NE 13 | NE 13 | E 9 | SE 12 | NNE 8 | NE 8 | NE 8 | NE 8 | ENE 8 | ENE 7 | ENE 7 | ENE 7 | |
311 | 277 | 295 | 214 | 209 | 301 | 297 | 245 | 206 | 171 | 149 | 111 | 85 | 84 | 27 | 22 | 740 | 646 | 601 | 519 | 517 | 455 | 413 | 372 | |
Wind (km/h) | ||||||||||||||||||||||||
on | cross-on | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-on | cross-on | cross-on | cross | cross-off | cross-off | cross | cross | cross | cross | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | |
High Tide | 10:22PM1.08m | 7:30AM1.29m | 00:13AM1.02m | 8:19AM1.20m | 2:27AM1.05m | |||||||||||||||||||
Low Tide | 2:47PM-0.01m | 1:52AM0.97m | 3:51PM0.13m | 2:11AM1.01m | 5:14PM0.27m | 5:38AM1.03m | ||||||||||||||||||
 | | |  | | | |  | | |  |  |  |  | | | | | | |  |  |  | | |
 | — | — | — | — | — | 5:01 | — | — | — | — | — | — | — | 5:01 | — | — | — | — | — | — | — | 5:00 | — | — |
 | — | — | 6:15 | — | — | — | — | — | — | — | 6:15 | — | — | — | — | — | — | — | 6:15 | — | — | — | — | 6:16 |
— | — | — | — | — | — | — | 1 | 4 | 4 | 9 | 13 | 1 | 1 | 1 | — | — | — | — | — | — | — | — | — | |
Temp °C | 19 | 20 | 20 | 20 | 20 | 20 | 20 | 17 | 16 | 18 | 18 | 21 | 21 | 20 | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 17 | 17 | 17 |
15 | 17 | 17 | 18 | 17 | 15 | 16 | 16 | 15 | 15 | 14 | 13 | 14 | 17 | 8 | 10 | 10 | 11 | 11 | 12 | 11 | 9 | 10 | 10 | |
Swell 1 Height (m) Direction Period (s) | NE 7 | E 7 | E 7 | ESE 7 | E 7 | E 7 | E 7 | E 7 | E 9 | E 9 | E 9 | E 9 | E 9 | SW 8 | SW 8 | SW 8 | SW 8 | WSW 9 | SW 9 | WSW 9 | WSW 9 | SW 8 | NE 15 | NE 14 |
 kJ | 65 | 277 | 295 | 214 | 209 | 150 | 121 | 79 | 171 | 171 | 111 | 85 | 62 | 1057 | 666 | 439 | 306 | 157 | 210 | 101 | 96 | 97 | 255 | 297 |
Swell 2 Height (m) Direction Period (s) | E 10 | E 10 | NE 13 | NE 12 | NE 12 | NE 14 | NE 14 | NE 14 | NE 14 | NE 14 | NE 14 | NE 13 | NE 13 | E 9 | E 9 | SE 12 | E 9 | S 8 | NE 12 | S 8 | S 7 | NE 15 | WSW 8 | SW 8 |
| kJ | 158 | 154 | 196 | 178 | 175 | 301 | 297 | 245 | 206 | 160 | 149 | 111 | 85 | 43 | 27 | 22 | 27 | 76 | 39 | 55 | 39 | 183 | 45 | 40 |
Swell 3 Height (m) Direction Period (s) | NE 13 | NNE 7 | E 10 | E 10 | E 10 | E 10 | E 10 | E 10 | WSW 4 | WSW 4 | SE 12 | SE 12 | SE 12 | NE 13 | SE 12 | SE 12 | NE 13 | NE 12 | ESE 12 | NE 16 | NE 15 | NE 12 | S 7 | ESE 11 |
| kJ | 215 | 56 | 98 | 92 | 72 | 90 | 65 | 65 | 6 | 3 | 22 | 22 | 22 | 84 | 22 | 22 | 42 | 40 | 14 | 61 | 116 | 36 | 15 | 12 |
Wind waves Height (m) Direction Period (s) | E 7 | — | — | — | W 6 | W 5 | SW 3 | SW 4 | — | SSE 3 | SSE 4 | SSW 6 | SW 7 | SW 8 | NNE 7 | NNE 8 | NNE 8 | NE 8 | NE 8 | NE 8 | ENE 8 | ENE 7 | ENE 7 | ENE 7 |
| kJ | 311 | — | — | — | 1 | 2 | 7 | 7 | — | 1 | 11 | 239 | 949 | 1432 | 539 | 988 | 740 | 646 | 601 | 519 | 517 | 455 | 413 | 372 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 249 | 497 | 152 | 152 | 196 | 152 | 152 | 0 | 152 | 204 | 204 | 297 | 227 | 227 | 227 | 227 | 204 | 191 | 191 | 191 | 191 | 204 | 480 | 480 |
Best forecast wave conditions in Izu Islands | ||||||||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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