Surf Forecasts:
How big are the waves at Shida today (12 Aug):
- Morning surf: Morning surf (12 Aug, local time) - 6.5ft (2.0m), 9s period with ESE swell.
- Afternoon surf: Afternoon surf (12 Aug, local time) - 3.5ft (1.1m), 9s period with E swell.
- Evening surf: Evening surf (12 Aug, local time) - 4.5ft (1.4m), 9s period with E swell.
The current surf forecast for Shida at 8AM is: 2.0m 9s primary swell from a East-southeast direction and 0.7m 6s secondary swell from a South direction, 0.5m 10s secondary swell from a South direction (forecast issued at 02:00am August 12). The wind direction is predicted to be cross-offshore.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (12 Aug) | 6.5ft (2.0m) | 9s |
| Afternoon (12 Aug) | 3.5ft (1.1m) | 9s |
| Evening (12 Aug) | 4.5ft (1.4m) | 9s |
Table - waves today at Shida. (Swell directed towards the surf break)
Short Range ForecastHeavy rain (total 37mm), heaviest during Wed morning. Warm (max 27°C on Thu morning, min 23°C on Wed night). Wind will be generally light. | ||||||||||||||||||||||||
Wednesday 12 | Thursday 13 | Friday 14 | ||||||||||||||||||||||
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) | E 11 | E 10 | SE 10 | ESE 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 10 | E 10 | E 10 | E 10 | E 10 | E 10 | E 10 | E 10 | E 10 | E 10 | E 10 | E 10 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 524 | 338 | 753 | 669 | 205 | 201 | 234 | 320 | 318 | 318 | 325 | 383 | 400 | 426 | 426 | 434 | 434 | 434 | 443 | 443 | 443 | 434 | 371 | 363 |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | off | off | cross-off | cross-off | cross-off | cross-on | cross-on | on | on | on | on | cross-on | cross | cross | cross | cross-on | cross-on | cross-on | on | cross-on | cross-on | cross | cross | cross |
High Tide | 2:34AM1.47m | 5:03PM1.43m | 3:31AM1.51m | 5:26PM1.45m | 4:22AM1.52m | 5:48PM1.46m | ||||||||||||||||||
Low Tide | 9:28PM1.03m | 9:55AM0.01m | 10:09PM0.91m | 10:34AM0.04m | 10:48PM0.78m | 11:09AM0.11m | ||||||||||||||||||
 |  |  |  | | | |  |  | |  | | | | | | | |  |  | | | | | |
 | — | 4:54 | — | — | — | — | — | — | — | 4:54 | — | — | — | — | — | — | — | 4:56 | — | — | — | — | — | — |
 | — | — | — | — | — | — | 6:30 | — | — | — | — | — | — | — | 6:30 | — | — | — | — | — | — | — | 6:29 | — |
mm | 22 | 4 | 9 | 5 | 3 | 4 | 2 | — | — | — | — | 1 | 1 | — | — | 1 | 2 | — | — | — | 1 | — | — | 3 |
Temp °C | 24 | 23 | 24 | 25 | 26 | 26 | 25 | 24 | 23 | 23 | 24 | 26 | 27 | 27 | 26 | 25 | 25 | 25 | 25 | 27 | 27 | 27 | 26 | 26 |
Feels °C | 22 | 23 | 23 | 24 | 26 | 27 | 27 | 27 | 26 | 25 | 27 | 28 | 29 | 29 | 28 | 28 | 28 | 28 | 27 | 29 | 28 | 29 | 28 | 29 |
Swell 1 Height (m) Direction Period (s) | E 11 | E 10 | S 10 | S 6 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 10 | E 10 | E 10 | E 10 | E 10 | E 10 | E 10 | E 10 | E 10 | E 10 | E 10 | E 10 |
| kJ | 524 | 338 | 52 | 34 | 205 | 201 | 234 | 320 | 318 | 318 | 325 | 383 | 400 | 426 | 426 | 434 | 434 | 434 | 443 | 443 | 443 | 434 | 371 | 363 |
Swell 2 Height (m) Direction Period (s) | E 11 | SE 13 | SE 13 | S 10 | SSE 6 | S 10 | S 10 | S 10 | S 10 | S 10 | S 10 | S 10 | S 10 | S 10 | S 10 | SSW 9 | SSW 9 | SSW 9 | SSW 9 | SSW 9 | S 9 | S 9 | S 9 | S 10 |
| kJ | 287 | 7 | 6 | 53 | 57 | 53 | 52 | 52 | 51 | 51 | 71 | 71 | 50 | 48 | 46 | 29 | 29 | 28 | 28 | 28 | 42 | 40 | 24 | 70 |
Swell 3 Height (m) Direction Period (s) | SW 10 | SSW 10 | SSW 10 | SE 13 | S 10 | S 6 | S 5 | S 5 | S 5 | S 5 | — | — | SE 12 | SE 12 | SSE 11 | SSE 11 | SSE 11 | SSE 11 | SE 11 | SE 11 | SSE 12 | SSE 11 | SSE 11 | S 13 |
| kJ | 69 | 78 | 88 | 6 | 53 | 16 | 13 | 8 | 8 | 9 | — | — | 6 | 6 | 13 | 13 | 12 | 12 | 30 | 30 | 26 | 23 | 22 | 31 |
Wind waves Height (m) Direction Period (s) | SSW 6 | S 6 | SE 10 | ESE 9 | E 6 | E 5 | E 5 | ESE 4 | — | — | — | — | — | — | — | — | — | — | NE 3 | — | — | — | — | — |
| kJ | 170 | 212 | 753 | 669 | 86 | 53 | 20 | 6 | — | — | — | — | — | — | — | — | — | — | 2 | — | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 155 | 0 | 63 | 94 | 544 | 74 | 17 | 3 | 3 | 3 | 3 | 17 | 17 | 17 | 17 | 17 | 17 | 3 | 23 | 63 | 63 | 63 | 115 | 115 |
Best forecast wave conditions in Chiba | ||||||||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||||||||
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