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Santos (Hachijojima Island) surfForecast / Izu Islands / Japan
48hr Weather and Surf, issued 2 pm Thursday 28 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
23.5° C
(Which is 1.2°C warmer than normal for this time of year)How big are the waves at Santos (Hachijojima Island) today (28 May):
- Afternoon surf: Afternoon surf (28 May, local time) - 2.5ft (0.7m), 10s period with ENE swell.
- Evening surf: Evening surf (28 May, local time) - 3ft (0.9m), 10s period with E swell.
The current surf forecast for Santos (Hachijojima Island) at 7PM is: 0.9m 9s primary swell from a East direction and 0.6m 10s secondary swell from a East-northeast direction (forecast issued at 02:00pm May 28). An open ocean swell of 2.3m 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 May) | - | - |
| Afternoon (28 May) | 2.5ft (0.7m) | 10s |
| Evening (28 May) | 3ft (0.9m) | 10s |
Table - waves today at Santos (Hachijojima Island). (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastSome drizzle, heaviest during Thu afternoon. Warm (max 24°C on Fri morning, min 22°C on Fri night). Winds decreasing (strong winds from the SW on Thu night, calm by Sat night). | ||||||||||||||||||||||||
Thu 28 | Friday 29 | Saturday 30 | Sun 31 | |||||||||||||||||||||
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 |    |    |    |    | ||||||||||||||||||||
ENE 10 | ENE 10 | E 9 | E 10 | E 10 | E 10 | E 9 | E 9 | E 10 | E 9 | E 10 | E 10 | E 11 | E 11 | E 11 | ESE 11 | E 11 | E 11 | E 11 | E 10 | E 10 | E 10 | E 10 | S 12 | |
96 | 92 | 119 | 154 | 148 | 145 | 113 | 113 | 120 | 113 | 145 | 161 | 143 | 149 | 188 | 191 | 184 | 181 | 181 | 174 | 171 | 167 | 162 | 193 | |
Wind (km/h) | ||||||||||||||||||||||||
cross | cross | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | off | off | cross-off | cross-off | off | cross-off | cross-off | off | off | glassy | cross-off | |
High Tide | 4:24PM1.31m | 3:08AM1.51m | 5:10PM1.35m | 3:37AM1.51m | 5:50PM1.37m | 4:05AM1.49m | ||||||||||||||||||
Low Tide | 9:42AM0.42m | 9:20PM0.94m | 10:18AM0.30m | 10:02PM0.96m | 10:51AM0.20m | 10:41PM0.97m | ||||||||||||||||||
 | |  |  | | | | |  | | |  | | | | | | | |  | | | | | |
 | — | — | — | — | — | 4:33 | — | — | — | — | — | — | — | 4:33 | — | — | — | — | — | — | — | 4:33 | — | — |
 | — | — | 6:40 | — | — | — | — | — | — | — | 6:42 | — | — | — | — | — | — | — | 6:42 | — | — | — | — | 6:43 |
3 | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 24 | 24 | 24 | 23 | 23 | 22 | 22 | 22 | 23 | 23 | 23 | 23 | 22 | 22 | 22 | 22 |
19 | 21 | 21 | 20 | 21 | 21 | 21 | 21 | 22 | 22 | 23 | 23 | 22 | 20 | 20 | 22 | 24 | 25 | 24 | 25 | 24 | 23 | 23 | 23 | |
Swell 1 Height (m) Direction Period (s) | ESE 8 | ESE 8 | E 9 | E 10 | E 10 | E 10 | E 9 | E 9 | E 10 | E 9 | E 10 | E 10 | E 11 | E 11 | E 11 | WSW 7 | E 11 | E 11 | E 11 | E 10 | E 10 | E 10 | E 10 | ESE 10 |
 kJ | 96 | 92 | 119 | 154 | 148 | 145 | 113 | 113 | 120 | 113 | 145 | 161 | 143 | 149 | 188 | 86 | 184 | 181 | 181 | 174 | 171 | 167 | 162 | 167 |
Swell 2 Height (m) Direction Period (s) | ENE 10 | ENE 10 | ENE 10 | ENE 10 | NE 11 | NE 12 | NE 12 | NE 12 | NE 12 | NE 12 | NW 6 | NW 6 | S 6 | SSE 6 | S 6 | ESE 11 | WNW 6 | SW 7 | SW 7 | WSW 7 | WSW 7 | WSW 7 | S 13 | S 12 |
| kJ | 88 | 86 | 68 | 60 | 60 | 66 | 65 | 68 | 68 | 68 | 24 | 42 | 49 | 40 | 38 | 191 | 33 | 69 | 49 | 41 | 31 | 30 | 84 | 193 |
Swell 3 Height (m) Direction Period (s) | ESE 13 | ESE 13 | ESE 13 | ESE 12 | ESE 13 | ESE 13 | ESE 13 | ESE 12 | ESE 13 | ESE 13 | NE 12 | SSE 6 | NW 6 | SSW 7 | SW 6 | WNW 6 | S 6 | NNE 6 | NNE 5 | S 6 | SSE 6 | SSE 6 | WSW 7 | WSW 6 |
| kJ | 16 | 16 | 16 | 15 | 16 | 16 | 16 | 15 | 16 | 16 | 68 | 29 | 42 | 29 | 20 | 46 | 27 | 17 | 15 | 16 | 10 | 13 | 17 | 16 |
Wind waves Height (m) Direction Period (s) | SSW 6 | SSW 7 | SW 7 | SW 8 | SW 8 | SW 7 | SW 7 | SW 7 | SW 7 | SW 7 | SW 7 | SW 7 | SW 7 | W 7 | W 7 | — | SW 7 | — | WNW 6 | WNW 5 | WNW 5 | NW 4 | WNW 4 | — |
| kJ | 215 | 406 | 507 | 601 | 565 | 503 | 475 | 389 | 346 | 287 | 212 | 128 | 119 | 120 | 113 | — | 69 | — | 12 | 2 | 2 | 1 | 2 | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 191 | 196 | 196 | 233 | 249 | 249 | 196 | 196 | 196 | 191 | 237 | 227 | 495 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
Best forecast wave conditions in Izu Islands | ||||||||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||||||||
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