Surf Forecasts:
How big are the waves at Shida today (20 Sep):
- Morning surf: Morning surf (20 Sep, local time) - 10ft (3.0m), 12s period with SE swell.
- Afternoon surf: Afternoon surf (20 Sep, local time) - 8ft (2.5m), 11s period with SSE swell.
- Evening surf: Evening surf (20 Sep, local time) - 10ft (3.0m), 11s period with SE swell.
The current surf forecast for Shida at 3AM is: 3.0m 12s primary swell from a Southeast direction and 0.8m 10s secondary swell from a East direction (forecast issued at 08:00pm September 19). The wind direction is predicted to be cross-onshore.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (20 Sep) | 10ft (3.0m) | 12s |
| Afternoon (20 Sep) | 8ft (2.5m) | 11s |
| Evening (20 Sep) | 10ft (3.0m) | 11s |
Table - waves today at Shida. (Swell directed towards the surf break)
Short Range ForecastHeavy rain (total 254mm), heaviest during Mon night. Warm (max 26°C on Mon night, min 21°C on Sun morning). Mainly gales. | ||||||||||||||||||
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 13 | SE 12 | SE 12 | SE 12 | SE 12 | SE 11 | SSE 11 | SSE 11 | SE 11 | SE 11 | SSE 12 | SSE 12 | SSE 12 | SSE 12 | SSE 12 | SSE 13 | SSE 14 |
Wave Graph  | ||||||||||||||||||
 kJ | 3409 | 3061 | 2700 | 2538 | 2227 | 2008 | 1796 | 1689 | 1757 | 2413 | 2498 | 3050 | 3468 | 3628 | 4079 | 4498 | 6316 | 11009 |
Wind (km/h) | ||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross-on | on | cross-on | cross-on | on | cross-on | cross-on | cross-on | cross-on | on | cross-on | on | on | on | cross-on | cross | cross |
High Tide | 7:19PM1.28m | 7:59PM1.20m | 3:01PM1.21m | |||||||||||||||
Low Tide | 4:35AM0.51m | 6:17AM0.48m | 7:46PM1.10m | |||||||||||||||
 | | |  |  | |  | |  | | |  | | | |  |  | | |
 | — | — | — | 5:24 | — | — | — | — | — | — | — | 5:24 | — | — | — | — | — | — |
 | — | — | — | — | — | — | — | 5:38 | — | — | — | — | — | — | — | 5:37 | — | — |
mm | — | — | — | 2 | 4 | 2 | 16 | 22 | 15 | 26 | 29 | 8 | 3 | 4 | 5 | 6 | 15 | 19 |
Temp °C | 22 | 23 | 22 | 23 | 23 | 22 | 21 | 22 | 23 | 23 | 23 | 22 | 22 | 23 | 23 | 24 | 25 | 26 |
Feels °C | 22 | 24 | 22 | 24 | 22 | 20 | 19 | 20 | 22 | 23 | 24 | 20 | 22 | 24 | 25 | 26 | 26 | 26 |
Swell 1 Height (m) Direction Period (s) | SE 13 | SE 13 | SE 12 | SE 12 | SE 12 | SE 12 | SE 11 | SSE 11 | SSE 11 | SE 11 | SE 11 | SSE 12 | SSE 12 | SSE 12 | SSE 12 | SSE 12 | SSE 13 | SSE 14 |
| kJ | 3409 | 3061 | 2700 | 2538 | 2227 | 2008 | 1796 | 1689 | 1757 | 2413 | 2498 | 3050 | 3468 | 3628 | 4079 | 4498 | 6316 | 11009 |
Swell 2 Height (m) Direction Period (s) | E 10 | E 10 | NE 8 | E 10 | E 10 | E 14 | E 14 | E 13 | E 13 | E 12 | ESE 12 | E 12 | E 11 | E 11 | E 11 | E 10 | — | — |
| kJ | 158 | 125 | 98 | 125 | 96 | 15 | 14 | 29 | 29 | 46 | 47 | 70 | 63 | 85 | 56 | 74 | — | — |
Swell 3 Height (m) Direction Period (s) | — | ENE 10 | E 10 | NE 8 | — | — | — | — | ENE 13 | ENE 9 | — | NE 8 | — | — | — | — | — | — |
| kJ | — | 163 | 125 | 80 | — | — | — | — | 54 | 32 | — | 45 | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | NE 8 | NE 8 | — | — | NE 8 | ENE 8 | NE 5 | ENE 6 | NE 6 | NE 6 | — | — | — | — | — | — | E 10 | ESE 9 |
| kJ | 244 | 154 | — | — | 54 | 126 | 68 | 305 | 245 | 106 | — | — | — | — | — | — | 125 | 1323 |
Nearest Offshore or Glassy | ||||||||||||||||||
Distance (km) | 63 | 63 | 17 | 85 | 563 | 626 | 626 | 626 | 626 | 626 | 17 | 583 | 626 | 640 | 583 | 583 | 583 | 580 |
Best forecast wave conditions in Chiba | ||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||
Header Global | ||||||||||||||||||
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