
Surf Forecasts:
How big are the waves at Shida today (19 Sep):
- Morning surf: Morning surf (19 Sep, local time) - 10ft (3.0m), 15s period with SE swell.
- Afternoon surf: Afternoon surf (19 Sep, local time) - 10ft (3.0m), 13s period with SE swell.
- Evening surf: Evening surf (19 Sep, local time) - 10ft (3.0m), 13s period with SE swell.
The current surf forecast for Shida at 9AM is: 3.0m 15s primary swell from a Southeast direction and 0.8m 10s secondary swell from a East direction, 1.7m 7s secondary swell from a Northeast direction (forecast issued at 02:00am September 19). The wind direction is predicted to be cross-onshore.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (19 Sep) | 10ft (3.0m) | 15s |
| Afternoon (19 Sep) | 10ft (3.0m) | 13s |
| Evening (19 Sep) | 10ft (3.0m) | 13s |
Table - waves today at Shida. (Swell directed towards the surf break)
Short Range ForecastHeavy rain (total 184mm), heaviest during Mon night. Warm (max 27°C on Mon morning, min 20°C on Sun morning). Winds increasing (light winds from the ENE on Sun night, gales from the NNW by Mon night). | ||||||||||||||||||||||||
Saturday 19 | Sunday 20 | Monday 21 | ||||||||||||||||||||||
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) | SE 14 | SSE 17 | SE 16 | SE 15 | SE 14 | SE 13 | SE 13 | SE 13 | SE 12 | SE 12 | SE 12 | SE 12 | SE 11 | SE 11 | SE 11 | SE 11 | SE 12 | SSE 12 | SSE 12 | SSE 13 | SSE 13 | SSE 12 | SSE 14 | SE 13 |
Wave Graph | ||||||||||||||||||||||||
804 | 963 | 3940 | 3966 | 4832 | 3299 | 3409 | 3061 | 2700 | 2538 | 2227 | 2008 | 1872 | 1556 | 1552 | 2316 | 2751 | 3338 | 4217 | 5220 | 5655 | 3443 | 7950 | 7134 | |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | on | on | on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross | cross-on | on | cross-on | cross-on | on | on | on | cross | cross-off | cross-off | cross-off | cross | cross | on |
High Tide | 7:19PM1.28m | 7:59PM1.20m | 3:01PM1.21m | |||||||||||||||||||||
Low Tide | 3:03AM0.46m | 4:35AM0.51m | 6:17AM0.48m | 7:46PM1.10m | ||||||||||||||||||||
— | 5:22 | — | — | — | — | — | — | — | 5:24 | — | — | — | — | — | — | — | 5:24 | — | — | — | — | — | — | |
— | — | — | — | — | 5:40 | — | — | — | — | — | — | — | 5:38 | — | — | — | — | — | — | — | 5:37 | — | — | |
mm | — | — | — | — | — | — | 1 | — | — | 1 | 3 | 10 | 21 | 14 | 12 | 8 | 5 | 6 | 7 | 6 | 5 | 14 | 16 | 27 |
Temp °C | 21 | 21 | 21 | 22 | 23 | 22 | 22 | 22 | 23 | 23 | 22 | 20 | 21 | 21 | 22 | 22 | 23 | 25 | 25 | 26 | 27 | 26 | 26 | 24 |
Feels °C | 19 | 19 | 19 | 20 | 22 | 22 | 22 | 22 | 24 | 23 | 22 | 18 | 18 | 20 | 21 | 22 | 25 | 29 | 29 | 28 | 29 | 26 | 24 | 18 |
Swell 1 Height (m) Direction Period (s) | SE 14 | SE 13 | SE 16 | SE 15 | SE 14 | SE 13 | SE 13 | SE 13 | SE 12 | SE 12 | SE 12 | SE 12 | SE 11 | SE 11 | SE 11 | SE 11 | SE 12 | SSE 12 | SSE 12 | SSE 13 | SSE 13 | SSE 12 | SSE 14 | SE 13 |
804 | 946 | 3940 | 3966 | 4832 | 3299 | 3409 | 3061 | 2700 | 2538 | 2227 | 2008 | 1872 | 1556 | 1552 | 2316 | 2751 | 3338 | 4217 | 5220 | 5655 | 3443 | 7950 | 7134 | |
Swell 2 Height (m) Direction Period (s) | E 11 | SSE 17 | E 10 | E 10 | E 10 | E 10 | E 10 | ENE 10 | NE 8 | E 10 | E 10 | E 10 | E 13 | E 13 | E 13 | E 12 | ESE 12 | E 12 | E 11 | E 11 | ENE 10 | S 13 | — | S 15 |
58 | 963 | 74 | 127 | 125 | 125 | 158 | 163 | 98 | 125 | 96 | 94 | 30 | 30 | 29 | 46 | 47 | 67 | 59 | 58 | 141 | 1704 | — | 4415 | |
Swell 3 Height (m) Direction Period (s) | SSE 20 | E 10 | — | — | — | — | — | ENE 10 | E 10 | NE 8 | — | E 14 | — | — | — | — | — | E 11 | — | NNE 6 | — | — | — | — |
40 | 54 | — | — | — | — | — | 102 | 125 | 80 | — | 15 | — | — | — | — | — | 154 | — | 23 | — | — | — | — | |
Wind waves Height (m) Direction Period (s) | ENE 8 | NE 8 | NE 8 | NE 7 | NE 7 | NE 9 | NE 9 | NE 8 | — | — | NE 8 | NE 8 | NE 8 | NE 5 | NE 6 | NE 6 | NE 6 | NE 6 | — | — | — | NNE 4 | NE 6 | NNE 7 |
425 | 378 | 368 | 309 | 263 | 231 | 238 | 135 | — | — | 54 | 41 | 22 | 71 | 187 | 206 | 129 | 115 | — | — | — | 14 | 240 | 553 | |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 544 | 303 | 216 | 561 | 829 | 63 | 63 | 63 | 63 | 63 | 23 | 626 | 626 | 626 | 626 | 626 | 583 | 583 | 70 | 70 | 583 | 583 | 208 | 153 |
Best forecast wave conditions in Chiba | ||||||||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
- Map Icons:
Break
Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)
Wind Speed (km/h)












