Surf Forecasts:
How big are the waves at Kaiser's (Hachijojima Island) today (21 Sep):
- Morning surf: Morning surf (21 Sep, local time) - 25ft (7.5m), 13s 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) - 2ft (0.6m), 10s period with E swell.
The current surf forecast for Kaiser's (Hachijojima Island) at 11AM is: 8.0m 13s primary swell from a South-southeast direction (forecast issued at 08:00am September 21). The wind direction is predicted to be cross-onshore and the swell rating is 11.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (21 Sep) | 25ft (7.5m) | 13s |
| Afternoon (21 Sep) | 31ft (9.5m) | 13s |
| Evening (21 Sep) | 2ft (0.6m) | 10s |
Table - waves today at Kaiser's (Hachijojima Island). (Swell directed towards the surf break)
Short Range ForecastHeavy rain (total 39mm), heaviest during Mon night. Warm (max 28°C on Mon morning, min 26°C on Mon night). Winds decreasing (stormy winds from the S on Mon afternoon, light winds from the S by Tue night). | ||||||||||||||||||||||
Monday 21 | Tuesday 22 | Wednesday 23 | ||||||||||||||||||||
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) | SSE 12 | SSE 13 | S 13 | S 13 | SSW 13 | E 10 | S 9 | S 9 | S 8 | S 8 | ENE 10 | S 7 | S 7 | NNE 8 | NNE 8 | NNE 9 | NNE 9 | NNE 9 | NE 8 | NE 8 | NE 8 | NE 8 |
Wave Graph  | ||||||||||||||||||||||
 kJ | 15677 | 17789 | 23933 | 30452 | 0 | 71 | 810 | 623 | 552 | 377 | 30 | 215 | 146 | 137 | 137 | 181 | 197 | 197 | 162 | 180 | 171 | 196 |
Wind (km/h) | ||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | on | cross-on | cross-on | cross-on | cross-off | cross-off | cross-off | off | cross-off | cross-off | cross-off | off | cross-off | cross | cross-off | cross-off | cross-on | cross-on | on | on | on | cross-on |
High Tide | 4:04PM1.38m | 1:08AM1.30m | 4:12PM1.45m | 2:22AM1.40m | 4:25PM1.51m | |||||||||||||||||
Low Tide | 7:45AM0.59m | 8:57PM1.21m | 8:41AM0.51m | 9:19PM1.11m | 9:23AM0.46m | |||||||||||||||||
 | | |  |  |  |  |  |  | |  | |  | | | |  | | | |  | | |
 | 5:26 | — | — | — | — | — | — | 5:28 | — | — | — | — | — | — | — | 5:28 | — | — | — | — | — | — |
 | — | — | — | 5:39 | — | — | — | — | — | — | — | 5:37 | — | — | — | — | — | — | — | 5:37 | — | — |
mm | 2 | 1 | 4 | 6 | 12 | 15 | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 28 | 28 | 27 | 27 | 27 | 27 | 27 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 27 | 27 |
Feels °C | 21 | 19 | 17 | 15 | 16 | 18 | 23 | 22 | 24 | 25 | 27 | 27 | 27 | 27 | 27 | 28 | 28 | 28 | 27 | 27 | 29 | 29 |
Swell 1 Height (m) Direction Period (s) | — | — | — | — | — | E 10 | S 9 | S 9 | S 8 | S 8 | NW 7 | S 7 | S 7 | SSW 7 | NNE 8 | NNE 9 | NNE 9 | NNE 9 | NE 8 | NE 8 | NE 8 | NE 8 |
| kJ | — | — | — | — | — | 71 | 810 | 623 | 552 | 377 | 64 | 215 | 146 | 85 | 137 | 181 | 197 | 197 | 162 | 180 | 171 | 196 |
Swell 2 Height (m) Direction Period (s) | — | — | — | — | — | E 10 | ENE 10 | NNW 8 | WNW 8 | NW 8 | N 7 | W 7 | NNE 8 | NNE 8 | SSW 6 | SSW 6 | SW 6 | SW 5 | SSW 6 | SW 5 | SSW 8 | SSW 8 |
| kJ | — | — | — | — | — | 51 | 33 | 293 | 497 | 108 | 48 | 114 | 101 | 137 | 51 | 33 | 26 | 18 | 27 | 9 | 39 | 23 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | ENE 10 | ENE 10 | N 8 | N 7 | ENE 10 | NNE 8 | W 7 | W 6 | SSE 7 | SSE 7 | SSE 7 | SSE 6 | ENE 10 | SSE 6 | E 9 | E 9 |
| kJ | — | — | — | — | — | — | 33 | 33 | 114 | 60 | 30 | 87 | 44 | 38 | 31 | 26 | 26 | 16 | 31 | 15 | 27 | 26 |
Wind waves Height (m) Direction Period (s) | SSE 12 | SSE 13 | S 13 | S 13 | SSW 13 | WSW 10 | WNW 9 | W 8 | — | W 8 | SW 8 | — | — | — | — | — | — | — | WSW 5 | — | — | — |
| kJ | 15677 | 17789 | 23933 | 30452 | 21420 | 8827 | 2395 | 1033 | — | 253 | 477 | — | — | — | — | — | — | — | 9 | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||
Distance (km) | 204 | 204 | 218 | 768 | 525 | 507 | 507 | 237 | 195 | 195 | 195 | 228 | 227 | 0 | 0 | 0 | 218 | 0 | 0 | 0 | 1308 | 1308 |
Best forecast wave conditions in Izu Islands | ||||||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||||||
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