Surf Forecasts:
How big are the waves at Santos (Hachijojima Island) today (20 Sep):
- Morning surf: Morning surf (20 Sep, local time) - 15ft (4.5m), 11s period with SE swell.
- Afternoon surf: Afternoon surf (20 Sep, local time) - 15ft (4.5m), 11s period with SE swell.
- Evening surf: Evening surf (20 Sep, local time) - 16ft (5.0m), 12s period with SSE swell.
The current surf forecast for Santos (Hachijojima Island) at 1AM is: 4.5m 12s primary swell from a East-southeast direction (forecast issued at 08:00pm September 19). The wind direction is predicted to be onshore.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (20 Sep) | 15ft (4.5m) | 11s |
| Afternoon (20 Sep) | 15ft (4.5m) | 11s |
| Evening (20 Sep) | 16ft (5.0m) | 12s |
Table - waves today at Santos (Hachijojima Island). (Swell directed towards the surf break)
Short Range ForecastHeavy rain (total 78mm), heaviest during Sun morning. Warm (max 28°C on Sun afternoon, min 25°C on Sat night). Winds decreasing (stormy winds from the SE on Mon afternoon, moderate winds from the WSW by Tue afternoon). | ||||||||||||||||||
Sat 19 | Sunday 20 | Monday 21 | ||||||||||||||||
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) | SE 13 | SE 12 | ESE 12 | SE 12 | SE 11 | SE 11 | ESE 10 | SE 11 | SE 11 | SSE 12 | SSE 12 | SSE 12 | SSE 12 | SSE 12 | SSE 13 | S 14 | S 15 | E 10 |
Wave Graph  | ||||||||||||||||||
 kJ | 6297 | 5891 | 5940 | 5444 | 4844 | 4346 | 2883 | 5186 | 5569 | 6892 | 7604 | 8286 | 9637 | 11895 | 18353 | 30304 | 70702 | 52 |
Wind (km/h) | ||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross-on | cross-on | cross-on | cross-on | on | on | on | on | on | on | on | on | on | on | on | cross-on | cross-off |
High Tide | 8:05PM1.41m | 4:38PM1.33m | 4:04PM1.38m | |||||||||||||||
Low Tide | 6:19AM0.65m | 7:45AM0.59m | 8:57PM1.21m | |||||||||||||||
 | | |  |  | | | | | | | | | | | | | | |
 | — | — | — | 5:26 | — | — | — | — | — | — | — | 5:26 | — | — | — | — | — | — |
 | — | — | — | — | — | — | — | 5:40 | — | — | — | — | — | — | — | 5:39 | — | — |
mm | 3 | 3 | 3 | 8 | 4 | 12 | 7 | 4 | 3 | 3 | 1 | 2 | 2 | 2 | 4 | 3 | 3 | 6 |
Temp °C | 27 | 26 | 27 | 25 | 27 | 26 | 27 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 27 | 28 |
Feels °C | 25 | 23 | 25 | 24 | 26 | 25 | 26 | 27 | 26 | 26 | 25 | 25 | 24 | 23 | 22 | 19 | 14 | 19 |
Swell 1 Height (m) Direction Period (s) | SE 13 | SE 12 | — | NNE 8 | NNE 7 | NNE 8 | SSE 12 | E 13 | E 13 | E 12 | E 12 | E 12 | NNE 7 | — | — | — | — | E 10 |
| kJ | 6297 | 5891 | — | 103 | 34 | 23 | 1538 | 53 | 79 | 78 | 75 | 103 | 16 | — | — | — | — | 52 |
Swell 2 Height (m) Direction Period (s) | — | — | — | — | — | — | E 14 | — | — | — | — | NNE 8 | NNE 7 | — | — | — | — | — |
| kJ | — | — | — | — | — | — | 14 | — | — | — | — | 20 | 18 | — | — | — | — | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | NE 8 | NNE 7 | ESE 12 | SE 12 | SE 11 | SE 11 | ESE 10 | SE 11 | SE 11 | SSE 12 | SSE 12 | SSE 12 | SSE 12 | SSE 12 | SSE 13 | S 14 | S 15 | SSW 14 |
| kJ | 322 | 157 | 5940 | 5444 | 4844 | 4346 | 2883 | 5186 | 5569 | 6892 | 7604 | 8286 | 9637 | 11895 | 18353 | 30304 | 70702 | 63338 |
Nearest Offshore or Glassy | ||||||||||||||||||
Distance (km) | 218 | 218 | 204 | 237 | 495 | 546 | 546 | 546 | 546 | 546 | 240 | 511 | 546 | 565 | 511 | 511 | 511 | 506 |
Best forecast wave conditions in Izu Islands | ||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||
Header Global | ||||||||||||||||||
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