Surf Forecasts:
How big are the waves at Santos (Hachijojima Island) today (18 Sep):
- Morning surf: Morning surf (18 Sep, local time) - 8ft (2.5m), 8s period with NNE swell.
- Afternoon surf: Afternoon surf (18 Sep, local time) - 10ft (3.0m), 8s period with NE swell.
- Evening surf: Evening surf (18 Sep, local time) - 8ft (2.4m), 13s period with SE swell.
The current surf forecast for Santos (Hachijojima Island) at 10AM is: 3.0m 8s primary swell from a North-northeast direction and 1.0m 7s secondary swell from a East-southeast direction, 0.7m 12s secondary swell from a East-northeast direction (forecast issued at 02:00am September 18). The wind direction is predicted to be cross-shore.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (18 Sep) | 8ft (2.5m) | 8s |
| Afternoon (18 Sep) | 10ft (3.0m) | 8s |
| Evening (18 Sep) | 8ft (2.4m) | 13s |
Table - waves today at Santos (Hachijojima Island). (Swell directed towards the surf break)
Short Range ForecastHeavy rain (total 96mm), heaviest during Sun night. Warm (max 28°C on Sat afternoon, min 24°C on Sat night). Winds increasing (fresh winds from the E on Fri night, severe gales from the ESE by Sun night). | ||||||||||||||||||||||||
Friday 18 | Saturday 19 | Sunday 20 | ||||||||||||||||||||||
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 | 6 PM | 9 PM | |
Swell Height Map |  |  |  |  |  |  |  |  |  | |||||||||||||||
Wave Height (m) Direction Period (s) | NNE 8 | NE 8 | NNE 8 | NNE 8 | NNE 8 | NE 8 | NE 8 | SE 13 | SE 13 | SE 16 | SE 14 | SE 13 | SE 13 | SE 12 | ESE 12 | ESE 12 | ESE 12 | SE 12 | ESE 12 | ESE 12 | SE 12 | SE 12 | SE 12 | SE 13 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 666 | 989 | 1133 | 958 | 1121 | 1140 | 1052 | 2002 | 2802 | 8599 | 8244 | 7031 | 6246 | 5020 | 4509 | 4827 | 5087 | 5678 | 6403 | 7958 | 9029 | 10622 | 12416 | 15269 |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross | cross | cross | cross | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | on | cross-on | cross-on | cross-on | cross-on | on | on | on | on |
High Tide | 10:32AM1.22m | 7:46PM1.50m | 8:05PM1.41m | 4:38PM1.33m | ||||||||||||||||||||
Low Tide | 3:12AM0.63m | 1:23PM1.18m | 4:27AM0.67m | 6:19AM0.65m | ||||||||||||||||||||
 | |  |  | | |  | | | | | | | | |  | | |  | | | | | | |
 | — | 5:24 | — | — | — | — | — | — | — | 5:26 | — | — | — | — | — | — | — | 5:26 | — | — | — | — | — | — |
 | — | — | — | — | — | 5:44 | — | — | — | — | — | — | — | 5:42 | — | — | — | — | — | — | — | 5:40 | — | — |
mm | 1 | 3 | 1 | 1 | 1 | 1 | — | 1 | 2 | 2 | 2 | 2 | 1 | 2 | 5 | 6 | 4 | 9 | 7 | 11 | 6 | 3 | 3 | 3 |
Temp °C | 26 | 25 | 25 | 26 | 26 | 27 | 26 | 26 | 27 | 27 | 27 | 27 | 27 | 27 | 28 | 27 | 25 | 24 | 25 | 27 | 27 | 28 | 28 | 28 |
Feels °C | 23 | 20 | 20 | 21 | 22 | 24 | 22 | 23 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 24 | 22 | 19 | 20 | 23 | 22 | 23 | 22 | 21 |
Swell 1 Height (m) Direction Period (s) | E 11 | SSE 8 | ESE 7 | ESE 7 | ESE 7 | SE 8 | SE 13 | SE 13 | SE 13 | SE 16 | SE 14 | SE 13 | SE 13 | SE 12 | ESE 12 | NNE 8 | SSE 15 | NNE 8 | — | — | SSE 12 | — | — | — |
| kJ | 242 | 7 | 62 | 73 | 114 | 82 | 637 | 2002 | 2802 | 8599 | 8244 | 7031 | 6246 | 5020 | 4509 | 122 | 381 | 54 | — | — | 5309 | — | — | — |
Swell 2 Height (m) Direction Period (s) | SSE 8 | SE 12 | SSE 12 | ENE 12 | SE 11 | SE 14 | ESE 8 | S 10 | SE 16 | ENE 11 | NNE 8 | NNE 8 | NNE 8 | NNE 7 | — | — | NNE 8 | — | — | — | — | — | — | — |
| kJ | 7 | 6 | 13 | 145 | 30 | 116 | 103 | 2 | 1303 | 91 | 480 | 357 | 263 | 172 | — | — | 93 | — | — | — | — | — | — | — |
Swell 3 Height (m) Direction Period (s) | SE 12 | SSE 9 | S 8 | SE 11 | S 11 | SE 10 | S 10 | — | — | ENE 11 | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | 6 | 7 | 5 | 20 | 2 | 37 | 2 | — | — | 119 | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | NNE 8 | NE 8 | NNE 8 | NNE 8 | NNE 8 | NE 8 | NE 8 | NE 8 | NE 8 | NNE 8 | — | ENE 10 | ENE 10 | NNE 8 | NNE 7 | ESE 12 | ESE 12 | SE 12 | ESE 12 | ESE 12 | SE 12 | SE 12 | SE 12 | SE 13 |
| kJ | 666 | 989 | 1133 | 958 | 1121 | 1140 | 1052 | 1039 | 919 | 608 | — | 59 | 77 | 240 | 157 | 4827 | 5087 | 5678 | 6403 | 7958 | 9029 | 10622 | 12416 | 15269 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 480 | 480 | 480 | 480 | 546 | 497 | 497 | 494 | 497 | 297 | 297 | 494 | 495 | 249 | 249 | 218 | 218 | 495 | 240 | 240 | 565 | 546 | 546 | 511 |
Best forecast wave conditions in Izu Islands | ||||||||||||||||||||||||
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