Surf Forecasts:
How big are the waves at Santos (Hachijojima Island) today (21 Sep):
- Afternoon surf: Afternoon surf (21 Sep, local time) - 26ft (8.0m), 13s period with S swell.
- Evening surf: Evening surf (21 Sep, local time) - 6.5ft (2.0m), 9s period with SSE swell.
The current surf forecast for Santos (Hachijojima Island) at 7PM is: 1.9m 9s primary swell from a Southeast direction and 0.5m 10s secondary swell from a East direction (forecast issued at 02:00pm September 21). An open ocean swell of 6.5m 12s is not directed at the surf break. The wind direction is predicted to be cross-offshore.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (21 Sep) | - | - |
| Afternoon (21 Sep) | 26ft (8.0m) | 13s |
| Evening (21 Sep) | 6.5ft (2.0m) | 9s |
Table - waves today at Santos (Hachijojima Island). (Swell directed towards the surf break)
Short Range ForecastModerate rain (total 17mm), heaviest on Mon afternoon. Warm (max 28°C on Mon afternoon, min 25°C on Tue afternoon). Winds decreasing (stormy winds from the W on Mon afternoon, calm by Wed night). | ||||||||||||||||||||
Mon 21 | Tuesday 22 | Wednesday 23 | ||||||||||||||||||
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 | |
Swell Height Map |  |  |  |  |  |  |  |  | ||||||||||||
Wave Height (m) Direction Period (s) | S 13 | S 13 | SE 9 | SSE 9 | S 9 | S 9 | SSE 8 | SSE 8 | S 8 | SSE 8 | SSE 7 | SSE 7 | NNE 9 | NNE 9 | NNE 9 | NNE 9 | NE 8 | NE 8 | NE 8 | NE 9 |
Wave Graph  | ||||||||||||||||||||
 kJ | 25908 | 21103 | 639 | 695 | 788 | 732 | 184 | 149 | 222 | 72 | 62 | 43 | 94 | 136 | 168 | 157 | 162 | 180 | 227 | 210 |
Wind (km/h) | ||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross-off | off | cross-off | cross-off | off | cross-off | cross-off | cross-off | cross-off | cross-off | cross | cross | glassy | on | cross-on | cross-on | on | on | glassy |
High Tide | 4:04PM1.38m | 1:08AM1.30m | 4:12PM1.45m | 2:22AM1.40m | 4:25PM1.51m | |||||||||||||||
Low Tide | 8:57PM1.21m | 8:41AM0.51m | 9:19PM1.11m | 9:23AM0.46m | ||||||||||||||||
 | |  | |  |  |  | | |  | | | | | | | |  | | | |
 | — | — | — | — | — | 5:28 | — | — | — | — | — | — | — | 5:28 | — | — | — | — | — | — |
 | — | 5:39 | — | — | — | — | — | — | — | 5:37 | — | — | — | — | — | — | — | 5:37 | — | — |
mm | 5 | 2 | 14 | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 28 | 28 | 27 | 28 | 27 | 26 | 27 | 26 | 26 | 25 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 27 | 27 | 27 |
Feels °C | 19 | 20 | 16 | 24 | 24 | 22 | 26 | 23 | 25 | 25 | 27 | 27 | 27 | 28 | 28 | 28 | 28 | 30 | 29 | 30 |
Swell 1 Height (m) Direction Period (s) | — | E 9 | SE 9 | SSE 9 | S 9 | S 9 | SSE 8 | SSE 8 | S 8 | SSE 8 | W 6 | SSW 7 | SSW 6 | NNE 9 | NNE 9 | NNE 9 | NE 8 | NE 8 | NE 8 | NE 9 |
| kJ | — | 388 | 639 | 695 | 788 | 732 | 184 | 149 | 222 | 72 | 67 | 56 | 49 | 136 | 168 | 157 | 162 | 180 | 227 | 210 |
Swell 2 Height (m) Direction Period (s) | — | — | E 10 | E 10 | NNW 9 | N 8 | NW 8 | N 7 | NW 7 | NW 7 | SSW 7 | SSE 7 | NNE 9 | SW 6 | SW 6 | SW 5 | SW 5 | SW 5 | SW 5 | E 9 |
| kJ | — | — | 52 | 52 | 454 | 200 | 122 | 31 | 65 | 55 | 73 | 43 | 94 | 27 | 31 | 23 | 13 | 13 | 9 | 26 |
Swell 3 Height (m) Direction Period (s) | — | — | — | E 14 | E 10 | E 10 | N 7 | ENE 10 | NNE 8 | NNE 8 | SSE 7 | W 6 | WNW 6 | SSE 7 | SSE 6 | SSE 6 | ENE 10 | SSE 6 | ENE 9 | SSE 8 |
| kJ | — | — | — | 4 | 51 | 50 | 88 | 31 | 19 | 33 | 62 | 29 | 26 | 26 | 17 | 16 | 31 | 15 | 29 | 14 |
Wind waves Height (m) Direction Period (s) | S 13 | S 13 | SW 12 | W 10 | W 8 | WNW 8 | WSW 8 | WSW 8 | W 7 | WSW 7 | — | — | — | — | — | — | — | — | — | SW 5 |
| kJ | 25908 | 21103 | 11306 | 3853 | 1034 | 669 | 659 | 657 | 264 | 282 | — | — | — | — | — | — | — | — | — | 9 |
Nearest Offshore or Glassy | ||||||||||||||||||||
Distance (km) | 511 | 510 | 495 | 196 | 196 | 196 | 196 | 191 | 191 | 191 | 0 | 218 | 218 | 0 | 519 | 797 | 1308 | 1308 | 1130 | 0 |
Best forecast wave conditions in Izu Islands | ||||||||||||||||||||
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