Surf Forecasts:
How big are the waves at Shida today (18 Sep):
- Morning surf: Morning surf (18 Sep, local time) - 7ft (2.1m), 8s period with ENE swell.
- Afternoon surf: Afternoon surf (18 Sep, local time) - 7ft (2.2m), 8s period with NE swell.
- Evening surf: Evening surf (18 Sep, local time) - 7ft (2.2m), 8s period with NE swell.
The current surf forecast for Shida at 1AM is: 2.1m 8s primary swell from a East-northeast direction and 0.4m 12s secondary swell from a East direction, 0.2m 9s secondary swell from a South-southeast direction (forecast issued at 08:00pm September 17). The wind direction is predicted to be onshore.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (18 Sep) | 7ft (2.1m) | 8s |
| Afternoon (18 Sep) | 7ft (2.2m) | 8s |
| Evening (18 Sep) | 7ft (2.2m) | 8s |
Table - waves today at Shida. (Swell directed towards the surf break)
Short Range ForecastHeavy rain (total 148mm), heaviest during Sun afternoon. Warm (max 25°C on Sun afternoon, min 20°C on Thu night). Winds decreasing (fresh winds from the NNE on Fri afternoon, light winds from the ENE by Sun morning). | ||||||||||||||||||
Thu 17 | Friday 18 | Saturday 19 | ||||||||||||||||
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) | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | NE 8 | NE 8 | NE 8 | SE 14 | SE 13 | SE 16 | SE 15 | SE 14 | SE 13 | SE 13 | SE 12 |
Wave Graph  | ||||||||||||||||||
 kJ | 491 | 491 | 504 | 491 | 491 | 517 | 587 | 530 | 600 | 544 | 990 | 1710 | 4704 | 5659 | 5353 | 4378 | 3759 | 3278 |
Wind (km/h) | ||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross-on | on | on | on | on | on | on | on | on | on | on | on | cross-on | cross-on | cross-on | cross-on | cross-on |
High Tide | 6:32PM1.41m | 9:14AM1.06m | 6:55PM1.35m | 7:19PM1.28m | ||||||||||||||
Low Tide | 2:02AM0.39m | 12:42PM0.99m | 3:03AM0.46m | |||||||||||||||
 | | | |  | | | | | | | | |  | | |  |  | |
 | — | — | — | 5:22 | — | — | — | — | — | — | — | 5:22 | — | — | — | — | — | — |
 | — | — | — | — | — | — | — | 5:42 | — | — | — | — | — | — | — | 5:40 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 |
Temp °C | 21 | 21 | 20 | 20 | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 23 | 23 | 23 | 23 | 24 |
Feels °C | 17 | 17 | 16 | 16 | 18 | 17 | 17 | 17 | 17 | 18 | 18 | 19 | 20 | 23 | 22 | 22 | 22 | 25 |
Swell 1 Height (m) Direction Period (s) | E 13 | E 11 | E 12 | E 12 | E 12 | SE 12 | E 12 | E 11 | SE 14 | SE 14 | SE 14 | SE 13 | SE 16 | SE 15 | SE 14 | SE 13 | SE 13 | SE 12 |
| kJ | 29 | 41 | 44 | 69 | 44 | 6 | 23 | 38 | 103 | 373 | 990 | 1710 | 4704 | 5659 | 5353 | 4378 | 3759 | 3278 |
Swell 2 Height (m) Direction Period (s) | E 11 | SE 9 | SE 9 | SSE 9 | SSE 8 | SE 12 | SSE 12 | SSE 11 | E 11 | E 11 | SE 22 | ENE 11 | E 10 | E 10 | E 10 | E 10 | E 10 | E 10 |
| kJ | 21 | 3 | 3 | 7 | 7 | 6 | 14 | 13 | 9 | 9 | 18 | 40 | 74 | 158 | 154 | 161 | 161 | 151 |
Swell 3 Height (m) Direction Period (s) | SSE 9 | SSE 9 | SSE 9 | — | SE 12 | S 8 | SSE 12 | SE 11 | SE 8 | ENE 11 | — | E 11 | — | — | — | — | — | — |
| kJ | 8 | 8 | 8 | — | 6 | 1 | 14 | 32 | 20 | 24 | — | 61 | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | NE 8 | NE 8 | NE 8 | ENE 8 | ENE 8 | ENE 7 | NE 7 | NNE 6 | NE 8 | NE 9 | NE 8 |
| kJ | 491 | 491 | 504 | 491 | 491 | 517 | 587 | 530 | 600 | 544 | 504 | 372 | 297 | 251 | 209 | 238 | 189 | 171 |
Nearest Offshore or Glassy | ||||||||||||||||||
Distance (km) | 216 | 544 | 544 | 544 | 544 | 544 | 303 | 565 | 561 | 561 | 303 | 303 | 216 | 580 | 956 | 584 | 544 | 563 |
Best forecast wave conditions in Chiba | ||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||
Header Global | ||||||||||||||||||
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