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Surf Forecasts:
Shida surfForecast / Chiba / Japan
48hr Weather and Surf, issued 2 am 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 6AM is: 1.4m 6s primary swell from a East-northeast direction and 0.3m 6s secondary swell from a South-southwest direction, 0.2m 8s secondary swell from a South-southeast direction (forecast issued at 02:00am April 30). The wind direction is predicted to be cross-onshore.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (30 Apr) | 4ft (1.2m) | 6s |
| 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 38mm), heaviest during Fri morning. Warm (max 21°C on Sat afternoon, min 14°C on Thu morning). Winds decreasing (strong winds from the SW on Fri night, light winds from the SSE by Sat night). | ||||||||||||||||||||||||
Thursday 30 | Friday 1 | Saturday 2 | ||||||||||||||||||||||
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 |    |    |    | |||||||||||||||||||||
ENE 6 | ENE 6 | ENE 6 | ENE 6 | ESE 6 | E 5 | SE 9 | SE 9 | SE 10 | SE 6 | SE 7 | SE 8 | SSE 9 | SSE 9 | S 9 | SSW 8 | SSW 9 | SW 10 | SSW 10 | SSW 10 | SSW 10 | ESE 9 | SE 9 | SE 9 | |
141 | 141 | 114 | 91 | 44 | 42 | 13 | 13 | 14 | 236 | 492 | 1070 | 1397 | 1343 | 1256 | 1071 | 1211 | 2190 | 596 | 385 | 198 | 103 | 81 | 83 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-on | cross-on | cross-on | cross-on | cross | cross | cross | cross-off | cross-off | cross-off | cross-off | off | cross | cross-off | cross-off | cross-off | cross | cross-off | cross-on | cross-on | cross-off | cross-off | cross-off | cross-off | |
High Tide | 2:49AM1.42m | 3:58PM1.36m | 3:10AM1.44m | 4:37PM1.40m | 3:32AM1.46m | 5:15PM1.40m | ||||||||||||||||||
Low Tide | 9:26AM0.30m | 9:28PM0.73m | 9:55AM0.20m | 10:00PM0.79m | 10:25AM0.13m | |||||||||||||||||||
 | |  | | | | |  | | |  |  |  | |  |  | |  | | | | | | | |
 | — | 4:48 | — | — | — | — | — | — | — | 4:48 | — | — | — | — | — | — | — | 4:47 | — | — | — | — | — | — |
 | — | — | — | — | — | — | 6:22 | — | — | — | — | — | — | — | 6:22 | — | — | — | — | — | — | — | 6:23 | — |
1 | 1 | — | — | — | — | — | — | 3 | 5 | 10 | 15 | 3 | — | — | — | 1 | 1 | — | — | — | — | — | — | |
Temp °C | 14 | 14 | 13 | 14 | 15 | 15 | 15 | 16 | 16 | 17 | 17 | 19 | 16 | 17 | 19 | 17 | 14 | 15 | 16 | 20 | 20 | 21 | 20 | 18 |
9 | 9 | 7 | 8 | 11 | 11 | 11 | 13 | 13 | 13 | 12 | 14 | 13 | 15 | 14 | 8 | 8 | 10 | 11 | 15 | 15 | 18 | 19 | 17 | |
Swell 1 Height (m) Direction Period (s) | SSW 6 | SW 6 | SSW 6 | SSE 9 | ESE 6 | ESE 6 | ESE 8 | ESE 8 | SE 10 | ENE 8 | NE 7 | NE 8 | ENE 13 | NE 12 | ENE 12 | ESE 9 | ESE 9 | SSW 10 | SSW 10 | SSW 10 | SSW 10 | ESE 9 | SE 9 | SE 9 |
 kJ | 15 | 9 | 7 | 8 | 44 | 23 | 13 | 13 | 14 | 6 | 2 | 10 | 17 | 53 | 14 | 221 | 141 | 892 | 596 | 385 | 198 | 103 | 81 | 83 |
Swell 2 Height (m) Direction Period (s) | S 12 | SE 8 | SSE 8 | SSW 6 | SSE 9 | SSE 9 | SE 9 | SE 9 | ENE 8 | NE 13 | E 13 | ENE 13 | NE 8 | — | NE 12 | ENE 12 | ENE 12 | SE 9 | ESE 9 | ESE 9 | ESE 9 | SSW 10 | S 7 | S 7 |
| kJ | 3 | 3 | 7 | 3 | 8 | 8 | 12 | 13 | 6 | 7 | 3 | 17 | 2 | — | 52 | 14 | 14 | 120 | 106 | 106 | 106 | 67 | 50 | 35 |
Swell 3 Height (m) Direction Period (s) | S 8 | SE 11 | S 12 | S 12 | SW 6 | ENE 8 | SSE 6 | ENE 8 | E 13 | NE 14 | E 10 | NE 10 | NE 10 | — | — | S 15 | — | ENE 11 | ENE 11 | ENE 11 | N 3 | NE 11 | SSW 10 | SW 9 |
| kJ | 1 | 5 | 3 | 3 | 1 | 6 | 4 | 6 | 4 | 7 | 2 | 4 | 4 | — | — | 4 | — | 13 | 12 | 12 | 1 | 5 | 35 | 21 |
Wind waves Height (m) Direction Period (s) | ENE 6 | ENE 6 | ENE 6 | ENE 6 | ENE 5 | E 5 | E 5 | ESE 5 | ESE 6 | SE 6 | SE 7 | SE 8 | SSE 9 | SSE 9 | S 9 | SSW 8 | SSW 9 | SW 10 | WNW 4 | NNW 3 | S 7 | S 7 | — | — |
| kJ | 141 | 141 | 114 | 91 | 33 | 42 | 42 | 59 | 105 | 236 | 492 | 1070 | 1397 | 1343 | 1256 | 1071 | 1211 | 2190 | 11 | 3 | 53 | 83 | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 2404 | 1071 | 303 | 596 | 70 | 872 | 956 | 949 | 640 | 63 | 561 | 94 | 1 | 208 | 561 | 561 | 91 | 63 | 3 | 3 | 56 | 0 | 0 | 0 |
Best forecast wave conditions in Chiba | ||||||||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||||||||
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