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Surf Forecasts:
Shida surfForecast / Chiba / Japan
48hr Weather and Surf, issued 8 am Tuesday 19 May 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
19.3° C
(Which is 1.3°C colder than average for this time of year)How big are the waves at Shida today?
The current surf forecast for Shida at 12PM is: 0.6m 10s primary swell from a Southeast direction and 0.6m 8s secondary swell from a East-southeast direction (forecast issued at 08:00am May 19). An open ocean swell of 0.7m 4s is not directed at the surf break. The wind direction is predicted to be offshore.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (19 May) | 2.5ft (0.7m) | 8s |
| Afternoon (19 May) | 3ft (0.9m) | 10s |
| Evening (19 May) | 3ft (0.9m) | 10s |
Table - waves today at Shida. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastHeavy rain (total 33mm), heaviest during Wed night. Warm (max 24°C on Wed morning, min 16°C on Thu night). Winds increasing (calm on Wed night, fresh winds from the NNE by Thu night). | ||||||||||||||||||||||||
Tuesday 19 | Wednesday 20 | Thursday 21 | Fri 22 | |||||||||||||||||||||
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 | 12 AM | 3 AM | |
Swell Height Map |    |    |    |    | ||||||||||||||||||||
ESE 8 | ESE 8 | SE 10 | ESE 10 | SE 10 | SE 10 | SE 10 | SE 10 | SE 10 | SE 10 | SE 10 | SE 10 | SE 9 | SE 9 | SE 9 | SE 9 | SE 9 | SE 9 | NE 6 | S 7 | NE 6 | NE 6 | NE 7 | NE 7 | |
62 | 73 | 77 | 161 | 137 | 139 | 142 | 142 | 142 | 139 | 160 | 134 | 128 | 128 | 128 | 125 | 125 | 88 | 90 | 114 | 133 | 171 | 230 | 287 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-off | cross-off | off | cross-off | off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | glassy | cross-on | cross-on | cross-on | cross-on | on | on | on | on | |
High Tide | 4:19AM1.58m | 7:13PM1.39m | 4:58AM1.55m | 8:09PM1.33m | 5:41AM1.47m | 9:07PM1.29m | ||||||||||||||||||
Low Tide | 11:49AM-0.10m | 11:44PM1.07m | 12:36PM-0.02m | 00:31AM1.09m | 1:26PM0.10m | 1:33AM1.08m | ||||||||||||||||||
 | | | |  |  |  |  | | | |  | | |  |  |  | | | | | | | | |
 | 4:31 | — | — | — | — | — | — | 4:31 | — | — | — | — | — | — | — | 4:30 | — | — | — | — | — | — | — | 4:28 |
 | — | — | — | — | 6:37 | — | — | — | — | — | — | — | 6:37 | — | — | — | — | — | — | — | 6:38 | — | — | 6:39 |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | 9 | 2 | 3 | 3 | — | 4 | 2 | 3 | 1 | 5 | |
Temp °C | 19 | 22 | 23 | 22 | 21 | 20 | 20 | 19 | 20 | 23 | 24 | 24 | 22 | 21 | 21 | 20 | 18 | 18 | 19 | 18 | 17 | 16 | 16 | 16 |
18 | 20 | 20 | 19 | 19 | 19 | 19 | 17 | 18 | 21 | 22 | 21 | 21 | 21 | 23 | 24 | 17 | 16 | 18 | 17 | 14 | 12 | 12 | 12 | |
Swell 1 Height (m) Direction Period (s) | ESE 8 | ESE 8 | ESE 8 | ESE 10 | SE 10 | SE 10 | SE 10 | SE 10 | SE 10 | SE 10 | SE 10 | SE 10 | SE 9 | SE 9 | SE 9 | SE 9 | SE 9 | S 6 | S 7 | ENE 6 | S 7 | S 8 | S 8 | S 7 |
 kJ | 62 | 73 | 55 | 161 | 137 | 139 | 142 | 142 | 142 | 139 | 160 | 134 | 128 | 128 | 128 | 125 | 125 | 47 | 86 | 93 | 131 | 138 | 118 | 88 |
Swell 2 Height (m) Direction Period (s) | SE 9 | SE 9 | SE 10 | ENE 9 | ENE 9 | NE 9 | NE 10 | NE 9 | NE 8 | NE 8 | NE 9 | ENE 9 | ENE 8 | ENE 8 | ENE 8 | S 4 | S 5 | SE 9 | SE 9 | S 7 | ESE 10 | ESE 9 | ESE 9 | SE 9 |
| kJ | 50 | 68 | 77 | 8 | 8 | 23 | 23 | 22 | 18 | 18 | 19 | 7 | 7 | 6 | 6 | 6 | 10 | 88 | 90 | 114 | 80 | 59 | 58 | 41 |
Swell 3 Height (m) Direction Period (s) | ENE 9 | ENE 9 | ENE 9 | E 11 | NE 9 | NE 9 | NE 9 | NE 9 | NE 9 | NE 9 | NE 9 | — | NE 8 | NE 8 | S 8 | ENE 8 | ENE 8 | NE 12 | E 11 | SE 9 | NE 11 | — | — | — |
| kJ | 8 | 8 | 8 | 2 | 29 | 29 | 27 | 27 | 26 | 26 | 26 | — | 18 | 17 | 1 | 6 | 6 | 6 | 3 | 88 | 5 | — | — | — |
Wind waves Height (m) Direction Period (s) | S 4 | S 4 | SSW 4 | SSW 4 | SSW 4 | SSW 4 | S 4 | S 4 | SSW 4 | SSW 5 | SSW 4 | SSW 4 | SSW 4 | SSW 4 | S 4 | SSW 4 | — | NE 4 | NE 6 | — | NE 6 | NE 6 | NE 7 | NE 7 |
| kJ | 9 | 10 | 15 | 24 | 17 | 11 | 12 | 20 | 26 | 30 | 21 | 26 | 29 | 16 | 10 | 13 | — | 39 | 88 | — | 133 | 171 | 230 | 287 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 115 | 153 | 592 | 256 | 0 | 115 | 115 | 115 | 1 | 155 | 23 | 565 | 115 | 0 | 0 | 0 | 17 | 27 | 17 | 3 | 17 | 63 | 303 | 216 |
Best forecast wave conditions in Chiba | ||||||||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||||||||
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