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Surf Forecasts:
Shida surfForecast / Chiba / Japan
48hr Weather and Surf, issued 2 pm Thursday 30 Apr 2026 JSTForecast update in hr min s Forecast update imminent
Shida surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Shida sea temperature is
19.6° C
(Which is slightly warmer than usual)How big are the waves at Shida today?
The current surf forecast for Shida at 9PM is: 0.3m 9s primary swell from a Southeast direction and 0.2m 8s secondary swell from a East-northeast direction (forecast issued at 02:00pm April 30). An open ocean swell of 1.2m 5s is not directed at the surf break. The wind direction is predicted to be cross-offshore.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (30 Apr) | - | - |
| Afternoon (30 Apr) | 3ft (0.9m) | 5s |
| Evening (30 Apr) | 1ft (0.3m) | 9s |
Table - waves today at Shida. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastHeavy rain (total 35mm), heaviest during Fri morning. Warm (max 23°C on Sat morning, min 15°C on Fri night). Winds decreasing (strong winds from the SW on Fri night, calm by Sun morning). | ||||||||||||||||||||||||
Thu 30 | Friday 1 | Saturday 2 | Sun 3 | |||||||||||||||||||||
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 | 12 AM | 3 AM | 6 AM | 9 AM | |
Swell Height Map |    |    |    |    | ||||||||||||||||||||
E 5 | E 5 | SE 9 | SE 9 | ENE 8 | SE 7 | SE 7 | SE 8 | SSE 8 | S 9 | S 9 | SSW 9 | SSW 9 | SW 10 | SSW 10 | SSW 10 | SSW 10 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | |
65 | 42 | 13 | 13 | 6 | 382 | 623 | 1276 | 1497 | 2362 | 1444 | 1156 | 1141 | 2103 | 561 | 443 | 229 | 106 | 103 | 106 | 110 | 113 | 110 | 110 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-on | cross | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-on | cross-on | cross | cross-off | cross-off | off | cross | cross | cross-off | glassy | |
High Tide | 3:58PM1.36m | 3:10AM1.44m | 4:37PM1.40m | 3:32AM1.46m | 5:15PM1.40m | 3:56AM1.47m | ||||||||||||||||||
Low Tide | 9:28PM0.73m | 9:55AM0.20m | 10:00PM0.79m | 10:25AM0.13m | 10:29PM0.85m | |||||||||||||||||||
 | | |  |  | |  |  |  |  |  |  | | | | | | | |  | | |  | | |
 | — | — | — | — | — | 4:48 | — | — | — | — | — | — | — | 4:47 | — | — | — | — | — | — | — | 4:46 | — | — |
 | — | — | 6:22 | — | — | — | — | — | — | — | 6:22 | — | — | — | — | — | — | — | 6:23 | — | — | — | — | 6:24 |
— | — | — | — | 3 | 3 | 5 | 15 | 8 | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 16 | 16 | 17 | 17 | 16 | 17 | 17 | 19 | 16 | 18 | 19 | 18 | 16 | 15 | 15 | 19 | 23 | 21 | 19 | 18 | 18 | 18 | 18 | 20 |
12 | 12 | 13 | 14 | 12 | 13 | 12 | 14 | 13 | 15 | 13 | 10 | 9 | 9 | 12 | 12 | 19 | 17 | 17 | 17 | 17 | 16 | 18 | 21 | |
Swell 1 Height (m) Direction Period (s) | SSE 9 | ESE 7 | ESE 8 | SE 9 | ENE 8 | NE 7 | NE 7 | ENE 13 | NE 10 | SSE 9 | ENE 12 | SE 9 | SE 9 | SSW 10 | SSW 10 | SSW 10 | SSW 10 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 |
 kJ | 8 | 17 | 13 | 13 | 6 | 2 | 2 | 17 | 16 | 1592 | 14 | 287 | 216 | 963 | 561 | 443 | 229 | 101 | 103 | 106 | 110 | 113 | 110 | 110 |
Swell 2 Height (m) Direction Period (s) | SW 6 | SE 9 | SE 9 | ENE 8 | E 13 | E 13 | NE 13 | NNE 8 | NE 13 | — | NE 12 | ENE 12 | ENE 12 | ESE 9 | SE 9 | SE 9 | ESE 9 | SW 10 | S 7 | S 7 | S 7 | S 7 | E 4 | S 7 |
| kJ | 1 | 12 | 12 | 6 | 4 | 4 | 7 | 6 | 26 | — | 37 | 14 | 13 | 141 | 118 | 118 | 103 | 106 | 51 | 38 | 38 | 24 | 7 | 23 |
Swell 3 Height (m) Direction Period (s) | — | ENE 8 | ENE 8 | E 14 | — | E 11 | — | NE 10 | NE 8 | — | S 15 | — | — | ENE 11 | ENE 11 | SSE 8 | NNW 3 | NE 11 | SSW 10 | SW 9 | SW 9 | SW 8 | S 7 | ENE 4 |
| kJ | — | 6 | 6 | 4 | — | 2 | — | 4 | 3 | — | 4 | — | — | 13 | 12 | 21 | 1 | 5 | 65 | 41 | 20 | 23 | 22 | 5 |
Wind waves Height (m) Direction Period (s) | E 5 | E 5 | E 5 | ESE 5 | SE 6 | SE 7 | SE 7 | SE 8 | SSE 8 | S 9 | S 9 | SSW 9 | SSW 9 | SW 10 | — | NW 3 | S 8 | S 7 | — | — | — | E 3 | — | S 5 |
| kJ | 65 | 42 | 51 | 77 | 190 | 382 | 623 | 1276 | 1497 | 2362 | 1444 | 1156 | 1141 | 2103 | — | 9 | 71 | 83 | — | — | — | 8 | — | 33 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 63 | 63 | 868 | 926 | 829 | 63 | 565 | 94 | 1 | 565 | 561 | 561 | 561 | 561 | 1 | 23 | 1 | 208 | 0 | 0 | 63 | 59 | 0 | 0 |
Best forecast wave conditions in Chiba | ||||||||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||||||||
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