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Santos (Hachijojima Island) surfForecast / Izu Islands / Japan
48hr Weather and Surf, issued 8 pm Friday 22 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
23.7° C
(Which is 1.8°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 4AM is: 3.5m 10s primary swell from a Northeast direction and 0.5m 6s secondary swell from a South direction (forecast issued at 08:00pm May 22). An open ocean swell of 0.8m 7s is not directed at the surf break. The wind direction is predicted to be cross-onshore.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (23 May) | 10ft (3.0m) | 9s |
| Afternoon (23 May) | 10ft (3.0m) | 9s |
| Evening (23 May) | 8ft (2.5m) | 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 25mm), heaviest during Sat night. Warm (max 21°C on Fri night, min 18°C on Sat night). Mainly strong winds. | ||||||||||||||||||||||||
Fri 22 | Saturday 23 | Sunday 24 | Monday 25 | |||||||||||||||||||||
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 |   |    |    |    | ||||||||||||||||||||
ESE 10 | ESE 10 | ESE 9 | NNE 10 | NE 9 | NE 9 | NE 9 | ENE 9 | ENE 9 | ENE 9 | ENE 9 | E 9 | E 7 | E 7 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 9 | |
51 | 51 | 50 | 2105 | 1725 | 1575 | 1467 | 1347 | 1265 | 1197 | 1182 | 1148 | 711 | 784 | 805 | 982 | 1087 | 1060 | 913 | 846 | 870 | 744 | 772 | 725 | |
Wind (km/h) | ||||||||||||||||||||||||
cross | cross | cross | cross-on | cross-on | cross-on | cross-on | on | on | on | on | on | on | on | on | on | on | on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | |
High Tide | 11:06PM1.17m | 8:57AM1.25m | 00:06AM1.19m | 10:38AM1.18m | 00:56AM1.25m | 12:37PM1.17m | ||||||||||||||||||
Low Tide | 3:41PM0.23m | 3:34AM1.03m | 4:44PM0.42m | 5:29AM0.98m | 5:48PM0.58m | 7:06AM0.87m | ||||||||||||||||||
 |  |  | |  | | | | |  | | | | | | | | | | |  | | | | |
 | — | — | — | 4:35 | — | — | — | — | — | — | — | 4:35 | — | — | — | — | — | — | — | 4:35 | — | — | — | — |
 | 6:37 | — | — | — | — | — | — | — | 6:37 | — | — | — | — | — | — | — | 6:37 | — | — | — | — | — | — | 6:38 |
— | 1 | 1 | 1 | 1 | — | — | — | — | — | 3 | 2 | 5 | 4 | 2 | 1 | 1 | 1 | 1 | 1 | — | — | — | — | |
Temp °C | 19 | 20 | 20 | 21 | 21 | 20 | 20 | 20 | 19 | 20 | 18 | 18 | 18 | 19 | 19 | 20 | 20 | 21 | 21 | 21 | 21 | 21 | 21 | 21 |
11 | 13 | 13 | 15 | 14 | 13 | 13 | 13 | 13 | 13 | 12 | 12 | 12 | 14 | 14 | 16 | 16 | 17 | 17 | 17 | 17 | 17 | 16 | 17 | |
Swell 1 Height (m) Direction Period (s) | SW 8 | SW 8 | SW 8 | SW 7 | WSW 7 | SW 7 | WSW 7 | SW 7 | SW 7 | WSW 7 | WSW 7 | WSW 7 | SW 7 | SW 7 | W 7 | — | E 16 | SW 6 | SW 6 | SW 6 | SSW 7 | S 7 | SSW 7 | SSW 7 |
 kJ | 314 | 196 | 125 | 75 | 37 | 25 | 19 | 12 | 12 | 5 | 5 | 4 | 2 | 2 | 1 | — | 5 | 1 | 1 | 1 | 4 | 34 | 37 | 37 |
Swell 2 Height (m) Direction Period (s) | ESE 10 | ESE 10 | ESE 9 | S 6 | S 6 | S 6 | S 6 | S 6 | S 6 | SE 12 | — | — | — | — | — | — | — | E 16 | — | E 16 | E 16 | E 16 | E 16 | SW 8 |
| kJ | 51 | 51 | 50 | 20 | 13 | 12 | 12 | 7 | 3 | 6 | — | — | — | — | — | — | — | 5 | — | 5 | 5 | 5 | 5 | 3 |
Swell 3 Height (m) Direction Period (s) | — | ESE 9 | ESE 9 | — | ESE 11 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | E 16 | — | — | E 16 |
| kJ | — | 50 | 50 | — | 24 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 5 | — | — | 5 |
Wind waves Height (m) Direction Period (s) | NNE 8 | NNE 9 | NNE 10 | NNE 10 | NE 9 | NE 9 | NE 9 | ENE 9 | ENE 9 | ENE 9 | ENE 9 | E 9 | E 7 | E 7 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 9 |
| kJ | 816 | 1553 | 1955 | 2105 | 1725 | 1575 | 1467 | 1347 | 1265 | 1197 | 1182 | 1148 | 711 | 784 | 805 | 982 | 1087 | 1060 | 913 | 846 | 870 | 744 | 772 | 725 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 227 | 227 | 546 | 737 | 770 | 770 | 218 | 218 | 218 | 546 | 218 | 218 | 204 | 218 | 191 | 191 | 191 | 191 | 191 | 196 | 196 | 204 | 191 | 191 |
Best forecast wave conditions in Izu Islands | ||||||||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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