Surf Forecasts:
How big are the waves at Shida today (21 Sep):
- Afternoon surf: Afternoon surf (21 Sep, local time) - 13ft (4.0m), 11s period with SE swell.
- Evening surf: Evening surf (21 Sep, local time) - 20ft (6.0m), 13s period with SSE swell.
The current surf forecast for Shida at 10PM is: 5.5m 13s primary swell from a South-southeast direction and 2.0m 10s secondary swell from a East-southeast direction, 1.3m 5s secondary swell from a North-northeast direction (forecast issued at 02:00pm September 21). The wind direction is predicted to be onshore.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (21 Sep) | - | - |
| Afternoon (21 Sep) | 13ft (4.0m) | 11s |
| Evening (21 Sep) | 20ft (6.0m) | 13s |
Table - waves today at Shida. (Swell directed towards the surf break)
Short Range ForecastHeavy rain (total 127mm), heaviest during Mon afternoon. Warm (max 27°C on Mon afternoon, min 22°C on Wed night). Winds decreasing (strong winds from the N on Mon night, calm by Wed night). | ||||||||||||||||||||
Mon 21 | Tuesday 22 | Wednesday 23 | ||||||||||||||||||
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) | SSE 11 | SE 11 | SSE 13 | SSE 13 | SSE 12 | ESE 10 | SE 10 | SSE 9 | SSE 9 | SSE 9 | SSE 8 | SSE 8 | SSE 8 | SSE 8 | ENE 5 | ENE 9 | ENE 9 | ENE 9 | ENE 9 | ENE 9 |
Wave Graph  | ||||||||||||||||||||
 kJ | 3831 | 3991 | 12642 | 11373 | 5539 | 732 | 777 | 466 | 432 | 315 | 262 | 167 | 96 | 94 | 76 | 68 | 90 | 194 | 151 | 154 |
Wind (km/h) | ||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross | cross | on | cross-on | cross-on | cross-on | off | cross-off | cross | cross | cross | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross |
High Tide | 3:01PM1.21m | 11:15PM1.15m | 3:03PM1.27m | 1:01AM1.20m | 3:15PM1.32m | |||||||||||||||
Low Tide | 7:46PM1.10m | 7:24AM0.42m | 8:18PM0.99m | 8:10AM0.37m | 8:45PM0.86m | |||||||||||||||
 |  |  | |  |  |  |  | |  | | |  | |  | | | | | | |
 | — | — | — | — | — | 5:24 | — | — | — | — | — | — | — | 5:26 | — | — | — | — | — | — |
 | — | 5:37 | — | — | — | — | — | — | — | 5:36 | — | — | — | — | — | — | — | 5:35 | — | — |
mm | 4 | 43 | 52 | 18 | 5 | — | — | 1 | 2 | 2 | 1 | 1 | — | — | — | — | — | — | — | — |
Temp °C | 27 | 26 | 27 | 25 | 25 | 25 | 25 | 27 | 27 | 25 | 24 | 24 | 24 | 23 | 23 | 23 | 23 | 23 | 24 | 24 |
Feels °C | 27 | 24 | 25 | 22 | 21 | 26 | 27 | 30 | 30 | 26 | 25 | 25 | 23 | 21 | 21 | 21 | 21 | 22 | 24 | 25 |
Swell 1 Height (m) Direction Period (s) | S 13 | S 13 | SSE 13 | SSE 13 | SSE 12 | ESE 10 | SE 10 | SSE 9 | SSE 9 | SSE 9 | SSE 8 | SSE 8 | SSE 8 | SSE 8 | S 7 | SSE 7 | ENE 9 | SSE 6 | SSE 6 | ENE 9 |
| kJ | 1838 | 2833 | 12642 | 11373 | 5539 | 732 | 777 | 466 | 432 | 315 | 262 | 167 | 96 | 94 | 52 | 49 | 90 | 47 | 46 | 154 |
Swell 2 Height (m) Direction Period (s) | — | — | — | ESE 10 | ESE 10 | S 11 | NNE 7 | ENE 9 | ENE 9 | ENE 9 | ENE 9 | ENE 9 | NE 9 | E 10 | SE 6 | ENE 9 | SSE 7 | SSE 9 | SSE 9 | SE 6 |
| kJ | — | — | — | 853 | 1072 | 695 | 117 | 108 | 88 | 127 | 108 | 108 | 81 | 29 | 8 | 68 | 45 | 8 | 8 | 49 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | SE 11 | NNE 7 | E 9 | E 13 | E 13 | E 13 | E 13 | E 13 | — | SSE 10 | SE 9 | SSE 9 | ESE 5 | E 10 | E 9 | SSE 9 |
| kJ | — | — | — | — | 140 | 59 | 133 | 3 | 3 | 3 | 3 | 3 | — | 9 | 3 | 8 | 3 | 16 | 15 | 7 |
Wind waves Height (m) Direction Period (s) | SSE 11 | SE 11 | E 10 | NNE 5 | NW 4 | WNW 4 | — | — | — | NE 8 | ESE 4 | SE 5 | ESE 4 | ENE 5 | ENE 5 | ENE 5 | ENE 5 | ENE 9 | ENE 9 | — |
| kJ | 3831 | 3991 | 1223 | 81 | 34 | 11 | — | — | — | 129 | 22 | 19 | 32 | 57 | 76 | 56 | 33 | 194 | 151 | — |
Nearest Offshore or Glassy | ||||||||||||||||||||
Distance (km) | 584 | 583 | 563 | 153 | 78 | 3 | 1 | 0 | 0 | 63 | 85 | 63 | 63 | 256 | 596 | 913 | 1488 | 1488 | 1071 | 256 |
Best forecast wave conditions in Chiba | ||||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||||
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