Surf Forecasts:
How big are the waves at Shida today (20 Aug):
- Afternoon surf: Afternoon surf (20 Aug, local time) - 1.5ft (0.4m), 11s period with SE swell.
- Evening surf: Evening surf (20 Aug, local time) - 1.5ft (0.4m), 11s period with SE swell.
The current surf forecast for Shida at 10PM is: 0.4m 11s primary swell from a Southeast direction and 0.5m 8s secondary swell from a East direction (forecast issued at 02:00pm August 20). An open ocean swell of 0.2m 6s is not directed at the surf break. The wind direction is predicted to be offshore.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (20 Aug) | - | - |
| Afternoon (20 Aug) | 1.5ft (0.4m) | 11s |
| Evening (20 Aug) | 1.5ft (0.4m) | 11s |
Table - waves today at Shida. (Swell directed towards the surf break)
Short Range ForecastLight rain (total 8mm), mostly falling on Sat night. Warm (max 28°C on Fri morning, min 23°C on Sat night). Wind will be generally light. | ||||||||||||||||||||
Thu 20 | Friday 21 | Saturday 22 | ||||||||||||||||||
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 11 | SE 11 | SE 11 | SE 11 | SE 11 | SE 11 | ESE 8 | S 9 | S 8 | SSW 8 | E 9 | E 9 | E 9 | E 10 | E 11 | E 11 | E 11 | E 11 | E 11 | E 10 |
Wave Graph  | ||||||||||||||||||||
 kJ | 40 | 40 | 40 | 40 | 40 | 56 | 43 | 40 | 71 | 94 | 40 | 61 | 41 | 90 | 160 | 151 | 229 | 233 | 233 | 212 |
Wind (km/h) | ||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | off | off | off | off | off | cross-off | cross-off | off | off | off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross |
High Tide | 7:57PM1.37m | 8:28PM1.31m | ||||||||||||||||||
Low Tide | 1:27PM0.93m | 4:02AM0.48m | 5:32AM0.48m | |||||||||||||||||
 |  |  |  | |  | | | | | | | |  | |  | | | |  | |
 | — | — | — | — | — | 5:01 | — | — | — | — | — | — | — | 5:01 | — | — | — | — | — | — |
 | — | — | 6:22 | — | — | — | — | — | — | — | 6:21 | — | — | — | — | — | — | — | 6:19 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | — | 1 | — | 1 |
Temp °C | 27 | 27 | 27 | 26 | 26 | 25 | 25 | 27 | 28 | 27 | 26 | 26 | 26 | 25 | 25 | 27 | 28 | 28 | 27 | 26 |
Feels °C | 29 | 29 | 29 | 28 | 28 | 27 | 28 | 29 | 29 | 27 | 27 | 28 | 27 | 26 | 27 | 28 | 29 | 30 | 30 | 30 |
Swell 1 Height (m) Direction Period (s) | E 8 | E 8 | SE 11 | E 8 | E 8 | SE 11 | ESE 8 | E 8 | E 8 | E 8 | E 9 | E 9 | E 9 | E 10 | E 11 | E 11 | E 11 | E 11 | E 11 | E 10 |
| kJ | 35 | 21 | 40 | 33 | 32 | 56 | 43 | 34 | 34 | 35 | 40 | 61 | 41 | 90 | 160 | 151 | 229 | 233 | 233 | 212 |
Swell 2 Height (m) Direction Period (s) | SE 11 | SE 11 | ENE 8 | SE 11 | SE 11 | S 8 | SSW 8 | S 9 | SE 11 | SE 10 | S 8 | S 8 | S 9 | SSW 10 | SSW 10 | SSW 9 | SSW 9 | SSW 9 | S 5 | S 5 |
| kJ | 40 | 40 | 22 | 40 | 40 | 22 | 24 | 39 | 40 | 39 | 36 | 37 | 38 | 31 | 31 | 28 | 27 | 27 | 23 | 16 |
Swell 3 Height (m) Direction Period (s) | SSW 9 | SSW 9 | SE 5 | SE 5 | SSW 8 | ENE 7 | SE 11 | SE 11 | ESE 5 | ESE 5 | SE 10 | SE 10 | SE 10 | SE 10 | SE 10 | SE 10 | SE 10 | SE 10 | SSW 9 | SSW 9 |
| kJ | 8 | 16 | 10 | 7 | 13 | 18 | 41 | 40 | 2 | 2 | 38 | 28 | 36 | 37 | 25 | 25 | 27 | 28 | 27 | 27 |
Wind waves Height (m) Direction Period (s) | SE 5 | SE 5 | S 6 | S 6 | SE 5 | SSE 5 | SW 3 | SSW 3 | S 8 | SSW 8 | S 4 | S 4 | S 4 | S 4 | S 4 | S 5 | S 5 | S 5 | — | — |
| kJ | 10 | 10 | 2 | 2 | 6 | 10 | 2 | 2 | 71 | 94 | 7 | 11 | 17 | 18 | 19 | 29 | 31 | 24 | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||
Distance (km) | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 155 | 104 | 153 | 115 | 0 | 1 | 7 | 7 | 0 | 1 |
Best forecast wave conditions in Chiba | ||||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||||
Header Global | ||||||||||||||||||||
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