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Santos (Hachijojima Island) surfForecast / Izu Islands / Japan
48hr Weather and Surf, issued 2 pm Sunday 31 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
23.9° C
(Which is 1.4°C warmer than normal for this time of year)How big are the waves at Santos (Hachijojima Island) today (31 May):
- 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 7PM is: 1.2m 11s primary swell from a South direction and 0.9m 10s secondary swell from a East direction (forecast issued at 02:00pm May 31). The wind direction is predicted to be cross-onshore.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (31 May) | - | - |
| 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 ForecastHeavy rain (total 47mm), heaviest during Wed morning. Warm (max 24°C on Wed morning, min 19°C on Sun afternoon). Winds increasing (light winds from the SE on Sun night, severe gales from the SSE by Wed morning). | ||||||||||||||||||||||||
Sun 31 | Monday 1 | Tuesday 2 | Wed 3 | |||||||||||||||||||||
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 |    |    |    |    | ||||||||||||||||||||
S 12 | S 12 | S 11 | S 11 | S 11 | S 11 | S 11 | S 10 | S 12 | S 10 | SSW 11 | E 10 | S 13 | E 10 | E 10 | E 10 | E 10 | E 10 | SE 6 | SE 5 | SE 6 | SE 6 | SE 7 | SE 8 | |
285 | 389 | 357 | 350 | 297 | 284 | 224 | 214 | 271 | 196 | 191 | 115 | 728 | 90 | 90 | 88 | 88 | 88 | 85 | 115 | 207 | 364 | 915 | 2096 | |
Wind (km/h) | ||||||||||||||||||||||||
cross | cross | cross-on | cross-on | cross-on | cross-on | on | on | on | on | on | on | on | on | on | on | cross-on | cross-on | on | cross-on | cross-on | cross-on | on | on | |
High Tide | 6:27PM1.38m | 4:35AM1.46m | 7:02PM1.38m | 5:06AM1.44m | 7:37PM1.37m | 5:39AM1.42m | ||||||||||||||||||
Low Tide | 11:22AM0.14m | 11:18PM0.97m | 11:54AM0.11m | 11:52PM0.96m | 12:27PM0.11m | 00:26AM0.96m | ||||||||||||||||||
 |  | |  |  |  |  | | |  | | | | | | | | | |  | |  |  |  | |
 | — | — | — | — | — | 4:33 | — | — | — | — | — | — | — | 4:31 | — | — | — | — | — | — | — | 4:31 | — | — |
 | — | — | 6:43 | — | — | — | — | — | — | — | 6:43 | — | — | — | — | — | — | — | 6:44 | — | — | — | — | 6:45 |
— | 1 | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | 3 | 7 | 6 | 11 | |
Temp °C | 23 | 22 | 19 | 20 | 20 | 20 | 19 | 20 | 20 | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 22 | 21 | 21 | 20 | 20 | 21 | 22 |
24 | 19 | 15 | 15 | 19 | 21 | 19 | 20 | 18 | 19 | 19 | 18 | 18 | 19 | 18 | 19 | 20 | 20 | 19 | 17 | 15 | 14 | 13 | 13 | |
Swell 1 Height (m) Direction Period (s) | S 12 | S 12 | S 11 | S 11 | S 11 | S 11 | S 11 | S 10 | S 12 | SSW 13 | SSW 13 | SSW 13 | S 13 | SSW 14 | SW 14 | SW 13 | SW 13 | SW 13 | SW 12 | SW 12 | SW 14 | SW 14 | SW 14 | WSW 17 |
 kJ | 285 | 389 | 357 | 350 | 297 | 284 | 224 | 214 | 271 | 472 | 346 | 972 | 728 | 1600 | 1267 | 1127 | 996 | 966 | 785 | 846 | 965 | 1273 | 1480 | 3457 |
Swell 2 Height (m) Direction Period (s) | 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 16 | E 10 | E 10 | E 10 | E 10 | E 10 | E 9 | E 9 | WSW 17 | — | — | WSW 18 |
| kJ | 162 | 159 | 162 | 125 | 125 | 125 | 387 | 353 | 352 | 196 | 191 | 115 | 532 | 90 | 90 | 88 | 88 | 88 | 85 | 61 | 351 | — | — | 928 |
Swell 3 Height (m) Direction Period (s) | WSW 6 | SE 12 | WSW 7 | WSW 7 | WSW 7 | SSW 16 | E 10 | E 10 | E 10 | E 10 | E 10 | SE 11 | E 10 | SE 11 | SE 11 | SE 11 | SE 11 | SE 12 | SW 17 | E 9 | E 9 | — | — | — |
| kJ | 16 | 22 | 17 | 15 | 9 | 162 | 125 | 122 | 120 | 117 | 117 | 20 | 90 | 19 | 19 | 19 | 19 | 21 | 148 | 61 | 60 | — | — | — |
Wind waves Height (m) Direction Period (s) | — | WSW 6 | — | — | SE 3 | — | — | — | — | — | ESE 3 | ESE 4 | — | ESE 5 | SE 5 | ESE 5 | SE 5 | SE 5 | SE 6 | SE 5 | SE 6 | SE 6 | SE 7 | SE 8 |
| kJ | — | 23 | — | — | 2 | — | — | — | — | — | 6 | 12 | — | 31 | 35 | 45 | 69 | 74 | 80 | 115 | 207 | 364 | 915 | 2096 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 152 | 152 | 257 | 515 | 196 | 196 | 152 | 152 | 257 | 497 | 196 | 152 | 196 | 196 | 196 | 191 | 191 | 191 | 249 | 227 | 191 | 249 | 768 | 768 |
Best forecast wave conditions in Izu Islands | ||||||||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||||||||
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