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Santos (Hachijojima Island) surfForecast / Izu Islands / Japan
48hr Weather and Surf, issued 8 pm Saturday 30 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
23.4° C
(Which is 1.0°C warmer than normal for this time of year)How big are the waves at Santos (Hachijojima Island) today (31 May):
- Morning surf: Morning surf (31 May, local time) - 2.5ft (0.8m), 12s period with S swell.
- Afternoon surf: Afternoon surf (31 May, local time) - 4ft (1.2m), 12s period with S swell.
- Evening surf: Evening surf (31 May, local time) - 4ft (1.2m), 11s period with S swell.
The current surf forecast for Santos (Hachijojima Island) at 4AM is: 1.0m 10s primary swell from a East direction (forecast issued at 08:00pm May 30). An open ocean swell of 0.6m 7s is not directed at the surf break, a second open ocean swell of 0.3m 4s is not directed at the surf break. The wind direction is predicted to be cross-offshore and the swell rating is 2.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (31 May) | 2.5ft (0.8m) | 12s |
| Afternoon (31 May) | 4ft (1.2m) | 12s |
| Evening (31 May) | 4ft (1.2m) | 11s |
Table - waves today at Santos (Hachijojima Island). (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastMostly dry. Warm (max 24°C on Sun morning, min 20°C on Sun night). Winds increasing (light winds from the E on Sun night, fresh winds from the SE by Tue morning). | ||||||||||||||||||||||||
Sat 30 | Sunday 31 | Monday 1 | Tuesday 2 | |||||||||||||||||||||
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 | 12 PM | 3 PM | |
Swell Height Map |   |    |    |    | ||||||||||||||||||||
E 11 | E 10 | E 10 | E 10 | S 14 | S 12 | S 12 | S 12 | S 11 | S 11 | S 11 | S 11 | S 11 | S 10 | S 12 | S 10 | SSW 11 | E 10 | E 10 | E 10 | E 10 | E 10 | E 10 | E 9 | |
181 | 174 | 171 | 212 | 181 | 190 | 285 | 389 | 357 | 350 | 297 | 284 | 227 | 174 | 271 | 130 | 191 | 90 | 90 | 90 | 90 | 88 | 88 | 87 | |
Wind (km/h) | ||||||||||||||||||||||||
off | cross-off | cross-off | off | cross-off | cross-off | cross-off | cross | cross | cross | cross | cross-on | on | on | on | on | on | on | on | on | on | on | cross-on | cross-on | |
High Tide | 5:50PM1.37m | 4:05AM1.49m | 6:27PM1.38m | 4:35AM1.46m | 7:02PM1.38m | 5:06AM1.44m | ||||||||||||||||||
Low Tide | 10:41PM0.97m | 11:22AM0.14m | 11:18PM0.97m | 11:54AM0.11m | 11:52PM0.96m | 12:27PM0.11m | ||||||||||||||||||
 |  |  | |  | | | | | |  | | | | | | | | | | | | | | |
 | — | — | — | 4:33 | — | — | — | — | — | — | — | 4:33 | — | — | — | — | — | — | — | 4:31 | — | — | — | — |
 | 6:42 | — | — | — | — | — | — | — | 6:43 | — | — | — | — | — | — | — | 6:43 | — | — | — | — | — | — | 6:44 |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 24 | 23 | 23 | 23 | 23 | 23 | 24 | 24 | 21 | 20 | 20 | 20 | 20 | 20 | 21 | 21 | 21 | 21 | 21 | 20 | 21 | 21 | 21 | 21 |
25 | 24 | 22 | 21 | 22 | 23 | 25 | 21 | 18 | 16 | 18 | 20 | 21 | 19 | 20 | 20 | 20 | 20 | 19 | 18 | 20 | 18 | 19 | 20 | |
Swell 1 Height (m) Direction Period (s) | E 11 | E 10 | E 10 | E 10 | E 10 | E 10 | S 12 | S 12 | S 11 | S 11 | S 11 | S 11 | S 11 | S 10 | S 12 | SSW 13 | SSW 13 | SSW 13 | SSW 12 | SSW 12 | SW 14 | SW 14 | SW 13 | SW 13 |
 kJ | 181 | 174 | 171 | 212 | 162 | 159 | 285 | 389 | 357 | 350 | 297 | 284 | 227 | 174 | 271 | 434 | 458 | 711 | 412 | 691 | 1285 | 1214 | 1218 | 1083 |
Swell 2 Height (m) Direction Period (s) | SW 7 | WSW 7 | WSW 7 | WSW 7 | S 14 | S 12 | E 10 | E 10 | E 10 | E 10 | E 10 | E 10 | SSW 16 | SSW 15 | SSW 14 | S 10 | SSW 11 | E 10 | SW 15 | E 10 | E 10 | E 10 | E 10 | E 9 |
| kJ | 47 | 41 | 41 | 30 | 181 | 190 | 164 | 159 | 162 | 125 | 125 | 125 | 314 | 353 | 316 | 130 | 191 | 90 | 447 | 90 | 90 | 88 | 88 | 87 |
Swell 3 Height (m) Direction Period (s) | S 6 | S 6 | SSE 6 | SSW 16 | WSW 7 | WSW 6 | WSW 6 | SE 12 | W 7 | WSW 7 | WSW 7 | SSW 16 | E 10 | E 10 | E 10 | E 10 | E 10 | SE 11 | E 10 | SW 17 | SE 12 | SE 11 | SE 11 | SE 11 |
| kJ | 17 | 16 | 10 | 80 | 25 | 23 | 16 | 22 | 22 | 15 | 9 | 162 | 122 | 122 | 120 | 117 | 88 | 20 | 90 | 243 | 21 | 19 | 19 | 18 |
Wind waves Height (m) Direction Period (s) | WNW 6 | — | WNW 5 | WNW 4 | WNW 4 | — | — | WSW 6 | — | — | SSW 3 | — | — | — | — | SE 4 | SE 5 | SE 5 | SE 5 | SE 5 | SE 5 | SE 5 | SE 5 | SE 6 |
| kJ | 12 | — | 2 | 4 | 2 | — | — | 23 | — | — | 3 | — | — | — | — | 8 | 25 | 43 | 51 | 62 | 49 | 55 | 57 | 52 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 0 | 0 | 152 | 0 | 0 | 0 | 0 | 152 | 196 | 196 | 196 | 196 | 196 | 152 | 196 | 196 | 196 | 196 | 152 | 152 | 152 | 196 | 227 | 152 |
Best forecast wave conditions in Izu Islands | ||||||||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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