Surf Forecasts:
How big are the waves at Shida today (13 Aug):
- Morning surf: Morning surf (13 Aug, local time) - 5ft (1.5m), 9s period with E swell.
- Afternoon surf: Afternoon surf (13 Aug, local time) - 5ft (1.6m), 10s period with E swell.
- Evening surf: Evening surf (13 Aug, local time) - 5ft (1.6m), 10s period with E swell.
The current surf forecast for Shida at 9AM is: 1.5m 9s primary swell from a East direction and 0.6m 10s secondary swell from a South direction (forecast issued at 02:00am August 13). The wind direction is predicted to be cross-shore.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (13 Aug) | 5ft (1.5m) | 9s |
| Afternoon (13 Aug) | 5ft (1.6m) | 10s |
| Evening (13 Aug) | 5ft (1.6m) | 10s |
Table - waves today at Shida. (Swell directed towards the surf break)
Short Range ForecastHeavy rain (total 34mm), heaviest during Thu night. Warm (max 27°C on Thu morning, min 23°C on Sat night). Wind will be generally light. | ||||||||||||||||||||||||
Thursday 13 | Friday 14 | Saturday 15 | ||||||||||||||||||||||
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 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 | E 9 | E 9 | E 10 | ESE 9 | ESE 10 | ESE 10 | E 10 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 318 | 318 | 373 | 383 | 445 | 480 | 500 | 500 | 500 | 510 | 530 | 520 | 468 | 450 | 440 | 696 | 527 | 459 | 449 | 535 | 451 | 502 | 445 | 379 |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross-on | cross-on | cross | cross-off | cross-off | cross | cross-off | cross-off | cross | cross-on | cross-on | cross | cross | cross-off | cross-off | cross-off | cross | cross | cross | cross | cross | cross-on | cross-on |
High Tide | 3:31AM1.51m | 5:26PM1.45m | 4:22AM1.52m | 5:48PM1.46m | 5:10AM1.49m | 6:09PM1.47m | ||||||||||||||||||
Low Tide | 10:09PM0.91m | 10:34AM0.04m | 10:48PM0.78m | 11:09AM0.11m | 11:26PM0.65m | 11:41AM0.23m | ||||||||||||||||||
 |  |  | | |  | | | |  | | | |  | | | | | | |  | | | | |
 | — | 4:54 | — | — | — | — | — | — | — | 4:56 | — | — | — | — | — | — | — | 4:56 | — | — | — | — | — | — |
 | — | — | — | — | — | — | 6:30 | — | — | — | — | — | — | — | 6:29 | — | — | — | — | — | — | — | 6:28 | — |
mm | — | 2 | 1 | 1 | 1 | — | 1 | 2 | 4 | 6 | 4 | 2 | 1 | — | — | 3 | 4 | 1 | — | 2 | 1 | — | — | — |
Temp °C | 25 | 25 | 25 | 27 | 27 | 27 | 26 | 26 | 26 | 25 | 25 | 26 | 27 | 27 | 26 | 25 | 25 | 25 | 25 | 26 | 27 | 27 | 25 | 25 |
Feels °C | 28 | 28 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 28 | 28 | 29 | 30 | 28 | 28 | 27 | 27 | 26 | 27 | 27 | 27 | 27 | 25 | 26 |
Swell 1 Height (m) Direction Period (s) | 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 | E 9 | E 9 | ESE 9 | ESE 9 | ESE 10 | ESE 10 | E 10 |
| kJ | 318 | 318 | 373 | 383 | 445 | 480 | 500 | 500 | 500 | 510 | 530 | 520 | 468 | 450 | 440 | 499 | 527 | 459 | 449 | 400 | 451 | 502 | 445 | 379 |
Swell 2 Height (m) Direction Period (s) | S 10 | S 10 | S 10 | S 10 | S 10 | S 10 | S 10 | SSW 9 | SSW 9 | SSW 9 | SSW 9 | SSW 9 | SSW 9 | SSW 9 | SSE 11 | S 10 | S 10 | S 9 | SSE 9 | S 9 | S 11 | S 10 | S 10 | SE 9 |
| kJ | 51 | 51 | 50 | 71 | 50 | 48 | 47 | 29 | 28 | 28 | 28 | 28 | 28 | 27 | 40 | 52 | 70 | 23 | 50 | 39 | 58 | 53 | 50 | 101 |
Swell 3 Height (m) Direction Period (s) | S 5 | S 5 | SSW 5 | — | SE 12 | SE 12 | SE 12 | SSE 11 | S 12 | SSE 11 | SSE 11 | SE 11 | SSE 11 | SSE 11 | S 9 | SSW 9 | S 12 | SE 10 | S 11 | SSW 11 | SSE 10 | SSE 9 | SE 8 | S 10 |
| kJ | 8 | 8 | 9 | — | 6 | 6 | 6 | 12 | 11 | 12 | 12 | 30 | 12 | 24 | 24 | 8 | 11 | 27 | 22 | 40 | 32 | 15 | 3 | 48 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | E 10 | — | — | — | E 10 | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 696 | — | — | — | 535 | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 17 | 17 | 17 | 17 | 0 | 0 | 94 | 0 | 0 | 63 | 17 | 17 | 17 | 63 | 115 | 0 | 77 | 77 | 17 | 63 | 125 | 565 | 565 | 27 |
Best forecast wave conditions in Chiba | ||||||||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||||||||
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