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Santos (Hachijojima Island) surfForecast / Izu Islands / Japan
48hr Weather and Surf, issued 2 pm Wednesday 29 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
21.8° C
(Which is 1.4°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 6PM is: 0.4m 9s primary swell from a East direction (forecast issued at 02:00pm April 29). An open ocean swell of 0.8m 6s is not directed at the surf break, a second open ocean swell of 1.1m 6s is not directed at the surf break. The wind direction is predicted to be offshore.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (29 Apr) | - | - |
| Afternoon (29 Apr) | 1.5ft (0.4m) | 9s |
| Evening (29 Apr) | 1.5ft (0.4m) | 9s |
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 88mm), heaviest during Thu night. Warm (max 21°C on Fri morning, min 17°C on Thu afternoon). Winds increasing (light winds from the NE on Wed night, gales from the SSW by Fri morning). | ||||||||||||||||||||||||
Wed 29 | Thursday 30 | Friday 1 | Sat 2 | |||||||||||||||||||||
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 9 | E 9 | E 9 | E 9 | E 9 | E 9 | NNE 7 | NE 7 | ENE 7 | ENE 7 | E 7 | E 7 | ESE 7 | ESE 7 | SSE 8 | S 8 | SSW 8 | ESE 8 | SE 8 | ESE 8 | SE 10 | ESE 10 | ESE 10 | ESE 9 | |
25 | 24 | 24 | 24 | 23 | 25 | 41 | 106 | 338 | 432 | 440 | 523 | 700 | 810 | 1210 | 916 | 1145 | 261 | 149 | 114 | 80 | 81 | 81 | 73 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-off | cross-off | off | off | cross-off | cross-off | cross | on | on | on | on | on | on | cross-on | cross | cross | cross | cross-off | cross-off | cross-off | cross-off | off | off | off | |
High Tide | 4:23PM1.36m | 4:06AM1.49m | 5:07PM1.40m | 4:26AM1.53m | 5:46PM1.41m | 4:46AM1.53m | ||||||||||||||||||
Low Tide | 10:07AM0.47m | 10:04PM0.67m | 10:40AM0.35m | 10:36PM0.74m | 11:11AM0.26m | 11:05PM0.80m | ||||||||||||||||||
 | | |  |  | | |  | |  |  |  | |  |  | |  | |  | | | | | | |
 | — | — | — | — | — | 4:54 | — | — | — | — | — | — | — | 4:54 | — | — | — | — | — | — | — | 4:52 | — | — |
 | — | — | 6:20 | — | — | — | — | — | — | — | 6:21 | — | — | — | — | — | — | — | 6:22 | — | — | — | — | 6:22 |
— | — | — | — | — | — | — | — | — | 2 | 8 | 7 | 9 | 19 | 15 | 8 | 14 | 6 | — | — | — | — | — | — | |
Temp °C | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 19 | 18 | 17 | 17 | 18 | 19 | 20 | 21 | 21 | 21 | 20 | 19 | 19 | 18 | 18 | 18 |
16 | 17 | 16 | 16 | 15 | 17 | 19 | 17 | 15 | 12 | 9 | 8 | 10 | 11 | 12 | 14 | 13 | 14 | 12 | 9 | 8 | 7 | 7 | 9 | |
Swell 1 Height (m) Direction Period (s) | E 9 | E 9 | SSW 6 | W 6 | WSW 6 | WSW 6 | WSW 6 | NE 7 | WSW 6 | WSW 6 | WSW 6 | WSW 5 | W 5 | NE 8 | NE 8 | ESE 8 | ESE 8 | ESE 8 | SE 8 | ESE 8 | SE 10 | ESE 10 | ESE 10 | ESE 9 |
 kJ | 25 | 24 | 41 | 60 | 61 | 53 | 41 | 106 | 19 | 13 | 6 | 3 | 1 | 11 | 10 | 422 | 374 | 261 | 149 | 114 | 80 | 81 | 81 | 73 |
Swell 2 Height (m) Direction Period (s) | NNE 10 | NE 10 | E 9 | SSW 5 | E 9 | SE 8 | NNE 7 | WSW 6 | NW 6 | WNW 6 | NW 5 | NE 14 | NE 14 | NE 14 | NE 13 | NE 8 | NE 13 | NE 13 | E 8 | NE 13 | E 8 | NE 12 | NE 12 | NE 12 |
| kJ | 10 | 15 | 24 | 26 | 23 | 25 | 41 | 29 | 8 | 3 | 1 | 8 | 7 | 7 | 7 | 11 | 27 | 27 | 45 | 41 | 19 | 37 | 37 | 22 |
Swell 3 Height (m) Direction Period (s) | SE 6 | ESE 6 | SE 7 | E 9 | SE 8 | E 9 | NW 4 | NW 6 | — | — | — | W 5 | — | — | — | NNE 13 | NNE 8 | NE 8 | NE 13 | NE 13 | NE 12 | — | — | E 9 |
| kJ | 1 | 4 | 7 | 24 | 23 | 23 | 7 | 8 | — | — | — | 1 | — | — | — | 17 | 7 | 3 | 44 | 42 | 38 | — | — | 14 |
Wind waves Height (m) Direction Period (s) | WSW 6 | WSW 6 | W 6 | — | NW 4 | NW 4 | — | ESE 9 | ENE 7 | ENE 7 | E 7 | E 7 | ESE 7 | ESE 7 | SSE 8 | S 8 | SSW 8 | SW 8 | WSW 9 | WSW 10 | WSW 10 | W 10 | W 10 | W 10 |
| kJ | 178 | 156 | 88 | — | 7 | 9 | — | 101 | 338 | 432 | 440 | 523 | 700 | 810 | 1210 | 916 | 1145 | 1166 | 2097 | 3964 | 3582 | 3219 | 3168 | 2959 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 239 | 242 | 191 | 191 | 911 | 1257 | 227 | 1257 | 1257 | 1257 | 204 | 204 | 495 | 737 | 737 | 565 | 480 | 226 | 191 | 191 | 253 | 494 | 239 | 249 |
Best forecast wave conditions in Izu Islands | ||||||||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||||||||
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