Surf Forecasts:
How big are the waves at Shida today (21 Sep):
- Morning surf: Morning surf (21 Sep, local time) - 16ft (5.0m), 13s period with S swell.
- Afternoon surf: Afternoon surf (21 Sep, local time) - 13ft (4.0m), 12s 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 11AM is: 4.5m 13s primary swell from a South-southeast direction and 4.0m 13s secondary swell from a South-southeast direction, 0.5m 11s secondary swell from a East direction (forecast issued at 02:00am September 21). The wind direction is predicted to be cross-offshore and the swell rating is 11.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (21 Sep) | 16ft (5.0m) | 13s |
| Afternoon (21 Sep) | 13ft (4.0m) | 12s |
| Evening (21 Sep) | 20ft (6.0m) | 13s |
Table - waves today at Shida. (Swell directed towards the surf break)
Short Range ForecastHeavy rain (total 75mm), heaviest during Mon night. Warm (max 27°C on Mon morning, min 21°C on Wed night). Mainly near gales. | ||||||||||||||||||||||||
Monday 21 | Tuesday 22 | Wednesday 23 | ||||||||||||||||||||||
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) | SSE 12 | SSE 12 | SSE 12 | S 13 | SSE 13 | SE 12 | SSE 13 | SSE 13 | SSE 14 | SE 11 | SE 10 | SSE 10 | SSE 9 | SSE 9 | SSE 8 | S 8 | ENE 9 | ENE 9 | ENE 9 | ENE 9 | ENE 9 | ENE 8 | NE 8 | ENE 9 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 2813 | 4848 | 5660 | 8223 | 6329 | 4493 | 13898 | 13031 | 14469 | 2734 | 1363 | 539 | 456 | 374 | 256 | 264 | 217 | 228 | 233 | 273 | 84 | 82 | 256 | 189 |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross | on | cross-on | cross-on | cross-on | cross | cross-on | 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 | 6:17AM0.48m | 7:46PM1.10m | 7:24AM0.42m | 8:18PM0.99m | 8:10AM0.37m | 8:45PM0.86m | ||||||||||||||||||
 |  |  |  | | | |  | |  |  | |  | |  | | | | | |  | |  | | |
 | — | 5:24 | — | — | — | — | — | — | — | 5:24 | — | — | — | — | — | — | — | 5:26 | — | — | — | — | — | — |
 | — | — | — | — | — | 5:37 | — | — | — | — | — | — | — | 5:36 | — | — | — | — | — | — | — | 5:35 | — | — |
mm | 8 | 12 | 12 | 8 | 5 | 10 | 7 | 12 | 29 | 3 | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 25 | 25 | 25 | 27 | 27 | 26 | 27 | 26 | 26 | 24 | 25 | 25 | 25 | 24 | 24 | 23 | 23 | 22 | 22 | 23 | 23 | 23 | 23 | 23 |
Feels °C | 27 | 27 | 27 | 28 | 27 | 25 | 26 | 22 | 23 | 20 | 26 | 28 | 26 | 24 | 24 | 23 | 23 | 21 | 20 | 21 | 21 | 22 | 23 | 23 |
Swell 1 Height (m) Direction Period (s) | SSE 12 | SSE 12 | SSE 12 | SSE 13 | E 10 | S 13 | SE 11 | SSE 13 | SSE 14 | SE 11 | SE 10 | SSE 10 | SSE 9 | SSE 9 | SSE 8 | SSE 8 | SSE 8 | SSE 8 | SSE 7 | S 7 | ENE 9 | ENE 8 | ENE 9 | ENE 9 |
| kJ | 2813 | 3743 | 4418 | 5376 | 135 | 1971 | 3842 | 13031 | 14469 | 2734 | 1363 | 539 | 456 | 374 | 256 | 202 | 159 | 96 | 73 | 51 | 84 | 82 | 199 | 189 |
Swell 2 Height (m) Direction Period (s) | E 12 | E 12 | E 11 | E 11 | — | — | S 13 | — | — | S 13 | SE 10 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | S 8 | SSE 8 | — | SSE 9 | SE 9 | S 7 | S 7 | S 7 | S 6 |
| kJ | 44 | 66 | 63 | 59 | — | — | 3237 | — | — | 1958 | 465 | 227 | 160 | 147 | 177 | 264 | 91 | — | 8 | 3 | 35 | 24 | 22 | 20 |
Swell 3 Height (m) Direction Period (s) | E 12 | — | — | — | — | — | — | — | — | SE 11 | NNE 8 | E 9 | E 13 | E 13 | E 13 | WSW 6 | — | — | SSE 9 | SSE 9 | SSE 9 | SSE 9 | SSE 9 | SSE 9 |
| kJ | 137 | — | — | — | — | — | — | — | — | 568 | 226 | 103 | 3 | 3 | 3 | 8 | — | — | 8 | 8 | 8 | 8 | 8 | 7 |
Wind waves Height (m) Direction Period (s) | NE 6 | SSE 12 | SSE 12 | S 13 | SSE 13 | SE 12 | SSE 13 | E 9 | N 5 | NW 4 | NW 4 | — | — | NE 8 | NE 8 | ENE 9 | ENE 9 | ENE 9 | ENE 9 | ENE 9 | ENE 5 | ENE 5 | NE 8 | — |
| kJ | 67 | 4848 | 5660 | 8223 | 6329 | 4493 | 13898 | 1312 | 167 | 41 | 11 | — | — | 201 | 232 | 190 | 217 | 228 | 233 | 273 | 46 | 32 | 256 | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 70 | 63 | 63 | 868 | 608 | 580 | 580 | 208 | 104 | 78 | 3 | 3 | 216 | 256 | 256 | 256 | 63 | 256 | 256 | 256 | 1488 | 1488 | 1071 | 17 |
Best forecast wave conditions in Chiba | ||||||||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||||||||
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