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Santos (Hachijojima Island) surfForecast / Izu Islands / Japan
48hr Weather and Surf, issued 2 pm Monday 27 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 9PM is: 0.6m 12s primary swell from a Northeast direction and 0.5m 8s secondary swell from a East direction (forecast issued at 02:00pm April 27). An open ocean swell of 2.1m 8s is not directed at the surf break. The wind direction is predicted to be offshore.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (27 Apr) | - | - |
| Afternoon (27 Apr) | 2.5ft (0.8m) | 12s |
| Evening (27 Apr) | 2ft (0.6m) | 12s |
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 Thu morning. Warm (max 20°C on Mon afternoon, min 15°C on Thu morning). Winds decreasing (strong winds from the WSW on Mon afternoon, light winds from the SSW by Thu morning). | ||||||||||||||||||||||||
Mon 27 | Tuesday 28 | Wednesday 29 | Thu 30 | |||||||||||||||||||||
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 |    |    |    |    | ||||||||||||||||||||
NE 13 | NE 12 | NE 12 | NE 12 | NE 12 | NE 12 | NE 12 | NNE 8 | NNE 8 | NNE 7 | NNE 7 | NNE 7 | E 9 | E 9 | E 9 | NE 10 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | NNE 9 | WSW 6 | |
277 | 217 | 175 | 114 | 114 | 112 | 108 | 92 | 82 | 30 | 30 | 33 | 24 | 25 | 26 | 25 | 40 | 24 | 24 | 23 | 24 | 25 | 30 | 0 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-off | cross-off | off | off | cross-off | on | cross-on | 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 | off | |
High Tide | 2:30PM1.20m | 3:24AM1.32m | 3:33PM1.29m | 3:46AM1.41m | 4:23PM1.36m | 4:06AM1.49m | ||||||||||||||||||
Low Tide | 8:45PM0.52m | 9:30AM0.61m | 9:28PM0.59m | 10:07AM0.47m | 10:04PM0.67m | |||||||||||||||||||
 | | |  | | | | | | | | | |  |  | | | | | |  | |  |  | |
 | — | — | — | — | — | 4:56 | — | — | — | — | — | — | — | 4:56 | — | — | — | — | — | — | — | 4:54 | — | — |
 | — | — | 6:19 | — | — | — | — | — | — | — | 6:19 | — | — | — | — | — | — | — | 6:20 | — | — | — | — | 6:21 |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 2 | |
Temp °C | 20 | 20 | 19 | 20 | 19 | 19 | 19 | 19 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 19 | 20 | 19 | 18 | 16 | 15 |
15 | 13 | 13 | 13 | 18 | 19 | 19 | 17 | 17 | 16 | 17 | 16 | 15 | 15 | 16 | 15 | 16 | 16 | 16 | 15 | 14 | 14 | 13 | 13 | |
Swell 1 Height (m) Direction Period (s) | NE 13 | NE 12 | NE 12 | NE 12 | WSW 7 | WSW 7 | WSW 7 | WSW 7 | NNE 8 | NNE 7 | NNE 7 | NNE 7 | NE 7 | E 9 | E 9 | E 9 | E 9 | E 9 | SW 6 | WSW 6 | WSW 6 | WSW 6 | WSW 6 | WSW 6 |
 kJ | 277 | 217 | 175 | 114 | 394 | 242 | 168 | 79 | 82 | 30 | 30 | 33 | 24 | 25 | 26 | 25 | 40 | 24 | 85 | 122 | 109 | 85 | 62 | 45 |
Swell 2 Height (m) Direction Period (s) | ESE 7 | ESE 7 | E 8 | E 8 | NE 12 | NNW 6 | NE 12 | NNE 8 | SSE 6 | SSE 6 | E 8 | E 8 | E 9 | NE 7 | NE 7 | NE 10 | NE 10 | NE 10 | E 9 | E 9 | SE 8 | SE 8 | NNE 9 | NW 6 |
| kJ | 86 | 55 | 41 | 29 | 114 | 21 | 108 | 92 | 16 | 15 | 29 | 21 | 24 | 23 | 12 | 25 | 15 | 15 | 24 | 23 | 23 | 25 | 30 | 25 |
Swell 3 Height (m) Direction Period (s) | SE 12 | SE 12 | SE 12 | ENE 8 | E 8 | NE 12 | ESE 7 | E 8 | E 8 | E 8 | SSE 6 | SSE 6 | SE 6 | NNE 10 | NNE 10 | ESE 6 | SE 8 | ESE 6 | NE 9 | SE 8 | E 9 | E 9 | SE 9 | NNE 7 |
| kJ | 6 | 6 | 6 | 7 | 29 | 112 | 18 | 29 | 28 | 29 | 14 | 13 | 8 | 10 | 10 | 4 | 3 | 4 | 14 | 10 | 24 | 24 | 27 | 25 |
Wind waves Height (m) Direction Period (s) | SW 7 | WSW 7 | WSW 8 | WSW 8 | NW 6 | — | — | SSW 6 | WSW 7 | WSW 6 | WSW 6 | WSW 6 | SW 5 | SW 5 | WSW 6 | WSW 6 | WSW 6 | WSW 6 | W 6 | NNW 4 | NW 4 | NW 5 | NW 5 | — |
| kJ | 325 | 645 | 691 | 495 | 31 | — | — | 34 | 99 | 73 | 46 | 59 | 56 | 111 | 143 | 200 | 220 | 203 | 86 | 7 | 9 | 31 | 23 | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 196 | 196 | 155 | 204 | 0 | 191 | 196 | 0 | 797 | 1984 | 770 | 513 | 297 | 253 | 249 | 237 | 228 | 218 | 204 | 204 | 1309 | 1257 | 1257 | 1257 |
Best forecast wave conditions in Izu Islands | ||||||||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||||||||
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