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Santos (Hachijojima Island) surfForecast / Izu Islands / Japan
48hr Weather and Surf, issued 2 am Tuesday 28 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
22.2° C
(Which is 2.0°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 10AM is: 0.9m 7s primary swell from a North-northeast direction (forecast issued at 02:00am April 28). An open ocean swell of 0.9m 7s is not directed at the surf break. The wind direction is predicted to be cross-offshore.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (28 Apr) | 3ft (0.9m) | 7s |
| Afternoon (28 Apr) | 2.5ft (0.7m) | 7s |
| Evening (28 Apr) | 2ft (0.6m) | 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 29mm), heaviest during Thu night. Warm (max 20°C on Tue morning, min 16°C on Thu morning). Winds increasing (light winds from the ENE on Thu afternoon, strong winds from the SSE by Thu night). | ||||||||||||||||||||||||
Tuesday 28 | Wednesday 29 | Thursday 30 | ||||||||||||||||||||||
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 |    |    |    | |||||||||||||||||||||
NE 12 | NE 12 | NE 12 | NNE 7 | NNE 8 | NNE 7 | NE 7 | NNE 7 | E 9 | E 9 | E 9 | NE 10 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | NNE 7 | NNE 7 | NNE 7 | NE 7 | NE 7 | SE 9 | |
114 | 112 | 195 | 84 | 98 | 40 | 51 | 32 | 24 | 25 | 26 | 25 | 25 | 24 | 24 | 24 | 24 | 25 | 35 | 57 | 93 | 103 | 97 | 85 | |
Wind (km/h) | ||||||||||||||||||||||||
off | glassy | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | off | off | off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-on | on | cross-on | |
High Tide | 3:24AM1.32m | 3:33PM1.29m | 3:46AM1.41m | 4:23PM1.36m | 4:06AM1.49m | 5:07PM1.40m | ||||||||||||||||||
Low Tide | 9:30AM0.61m | 9:28PM0.59m | 10:07AM0.47m | 10:04PM0.67m | 10:40AM0.35m | |||||||||||||||||||
 | |  | | | | | | |  | | | |  | |  | | |  | | |  | |  | |
 | — | 4:56 | — | — | — | — | — | — | — | 4:56 | — | — | — | — | — | — | — | 4:54 | — | — | — | — | — | — |
 | — | — | — | — | — | — | 6:19 | — | — | — | — | — | — | — | 6:20 | — | — | — | — | — | — | — | 6:21 | — |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | 3 | 2 | |
Temp °C | 19 | 19 | 19 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 19 | 20 | 19 | 19 | 20 | 18 | 16 | 16 | 16 | 18 |
17 | 19 | 17 | 17 | 16 | 16 | 17 | 16 | 16 | 16 | 16 | 16 | 16 | 17 | 15 | 16 | 15 | 14 | 17 | 15 | 15 | 16 | 16 | 14 | |
Swell 1 Height (m) Direction Period (s) | WSW 7 | WSW 7 | WSW 7 | WSW 7 | NNE 8 | NNE 7 | NE 7 | NNE 7 | NE 7 | E 9 | E 9 | E 9 | E 9 | E 9 | W 6 | WSW 6 | SW 5 | WSW 6 | SW 6 | NNE 7 | NNE 7 | NE 7 | NE 7 | NE 6 |
 kJ | 340 | 222 | 147 | 79 | 98 | 40 | 51 | 32 | 23 | 25 | 26 | 25 | 25 | 24 | 76 | 70 | 23 | 41 | 33 | 57 | 93 | 103 | 97 | 79 |
Swell 2 Height (m) Direction Period (s) | NE 12 | NW 6 | NE 12 | NNE 7 | SSE 6 | SSE 6 | SSE 6 | E 8 | E 9 | NE 7 | NE 10 | NE 10 | NNE 10 | NE 10 | SSW 6 | E 9 | E 9 | SE 8 | NNW 5 | NW 6 | WNW 6 | WSW 6 | SE 9 | E 8 |
| kJ | 114 | 42 | 195 | 84 | 16 | 15 | 14 | 20 | 24 | 11 | 16 | 25 | 10 | 15 | 41 | 24 | 24 | 25 | 17 | 40 | 22 | 14 | 41 | 22 |
Swell 3 Height (m) Direction Period (s) | E 8 | NE 12 | NW 6 | SSW 6 | E 8 | E 8 | E 8 | SSE 6 | SE 5 | NE 10 | NE 6 | SE 6 | SE 6 | SE 6 | E 9 | NW 4 | SE 8 | E 9 | NNE 7 | WSW 6 | WSW 6 | SE 9 | WSW 6 | SW 6 |
| kJ | 29 | 112 | 20 | 34 | 19 | 19 | 20 | 13 | 7 | 16 | 6 | 1 | 1 | 1 | 24 | 5 | 23 | 24 | 35 | 31 | 25 | 36 | 13 | 8 |
Wind waves Height (m) Direction Period (s) | NNW 6 | — | — | — | WSW 6 | WSW 6 | WSW 6 | SW 6 | SW 5 | SW 6 | WSW 6 | WSW 6 | WSW 6 | WSW 6 | WSW 6 | — | WNW 6 | NW 5 | — | — | — | — | — | SE 9 |
| kJ | 43 | — | — | — | 88 | 60 | 56 | 64 | 80 | 133 | 148 | 158 | 164 | 156 | 135 | — | 48 | 17 | — | — | — | — | — | 85 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 0 | 0 | 0 | 196 | 249 | 2659 | 770 | 495 | 297 | 252 | 237 | 218 | 191 | 191 | 191 | 1257 | 807 | 807 | 1257 | 1257 | 0 | 1386 | 227 | 573 |
Best forecast wave conditions in Izu Islands | ||||||||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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