Surf Forecasts:
How big are the waves at Santos (Hachijojima Island) today (21 Sep):
- Morning surf: Morning surf (21 Sep, local time) - 25ft (7.5m), 12s period with SSE swell.
- Afternoon surf: Afternoon surf (21 Sep, local time) - 31ft (9.5m), 13s period with S swell.
- Evening surf: Evening surf (21 Sep, local time) - 7ft (2.1m), 9s period with SSE swell.
The current surf forecast for Santos (Hachijojima Island) at 1AM is: 6.0m 12s primary swell from a South-southeast direction and 0.5m 12s secondary swell from a East direction (forecast issued at 08:00pm September 20). The wind direction is predicted to be onshore.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (21 Sep) | 25ft (7.5m) | 12s |
| Afternoon (21 Sep) | 31ft (9.5m) | 13s |
| Evening (21 Sep) | 7ft (2.1m) | 9s |
Table - waves today at Santos (Hachijojima Island). (Swell directed towards the surf break)
Short Range ForecastHeavy rain (total 60mm), heaviest during Mon night. Warm (max 28°C on Sun night, min 25°C on Tue afternoon). Winds decreasing (extremely windy from the SSE on Mon afternoon, calm by Tue night). | ||||||||||||||||||
Sun 20 | Monday 21 | Tuesday 22 | ||||||||||||||||
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 | |
Swell Height Map |  |  |  |  |  |  |  | |||||||||||
Wave Height (m) Direction Period (s) | SSE 12 | SSE 12 | SSE 12 | SSE 12 | SSE 12 | SSE 12 | S 13 | S 13 | SSW 13 | SSE 9 | SSE 9 | SSE 9 | ENE 10 | ENE 10 | S 8 | S 8 | SSW 7 | SSW 7 |
Wave Graph  | ||||||||||||||||||
 kJ | 7327 | 8574 | 10464 | 12533 | 14154 | 17366 | 23211 | 29363 | 0 | 782 | 826 | 600 | 33 | 32 | 350 | 258 | 193 | 0 |
Wind (km/h) | ||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | on | on | on | on | on | cross-on | cross-on | cross-on | cross | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-on |
High Tide | 4:38PM1.33m | 4:04PM1.38m | 1:08AM1.30m | 4:12PM1.45m | ||||||||||||||
Low Tide | 7:45AM0.59m | 8:57PM1.21m | 8:41AM0.51m | |||||||||||||||
 | | | |  | | |  | | |  |  |  |  |  | |  | | |
 | — | — | — | 5:26 | — | — | — | — | — | — | — | 5:28 | — | — | — | — | — | — |
 | — | — | — | — | — | — | — | 5:39 | — | — | — | — | — | — | — | 5:37 | — | — |
mm | 3 | 1 | 2 | 2 | 2 | 2 | 3 | 4 | 12 | 28 | 3 | — | — | — | — | — | — | — |
Temp °C | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 27 | 27 | 27 | 27 | 27 | 27 | 26 | 26 | 25 | 26 | 26 |
Feels °C | 25 | 24 | 24 | 23 | 21 | 21 | 19 | 13 | 15 | 15 | 19 | 23 | 24 | 24 | 25 | 24 | 27 | 27 |
Swell 1 Height (m) Direction Period (s) | E 13 | — | E 12 | NE 8 | — | E 11 | E 11 | — | — | SSE 9 | SSE 9 | SSE 9 | ENE 10 | NW 8 | S 8 | S 8 | SSW 7 | SSW 7 |
| kJ | 84 | — | 77 | 15 | — | 88 | 89 | — | — | 782 | 826 | 600 | 33 | 149 | 350 | 258 | 193 | 93 |
Swell 2 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | E 10 | E 10 | ENE 10 | ENE 10 | ENE 10 | NW 8 | W 8 | W 7 | WNW 7 |
| kJ | — | — | — | — | — | — | — | — | — | 50 | 50 | 33 | 32 | 32 | 109 | 229 | 104 | 88 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | E 13 | NNW 7 | ENE 10 | NW 8 | NW 7 | W 8 |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | 3 | 15 | 30 | 108 | 91 | 55 |
Wind waves Height (m) Direction Period (s) | SSE 12 | SSE 12 | SSE 12 | SSE 12 | SSE 12 | SSE 12 | S 13 | S 13 | SSW 13 | WSW 12 | W 10 | W 9 | WSW 8 | SW 8 | W 8 | — | — | — |
| kJ | 7327 | 8574 | 10464 | 12533 | 14154 | 17366 | 23211 | 29363 | 35433 | 15119 | 4610 | 2351 | 2199 | 1318 | 501 | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||
Distance (km) | 546 | 546 | 204 | 218 | 565 | 237 | 511 | 506 | 510 | 506 | 494 | 196 | 196 | 228 | 227 | 519 | 0 | 243 |
Best forecast wave conditions in Izu Islands | ||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||
Header Global | ||||||||||||||||||
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