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Surf Forecasts:
Shida surfForecast / Chiba / Japan
48hr Weather and Surf, issued 8 pm Saturday 16 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
18.4° C
(Which is 2.1°C colder than average for this time of year)How big are the waves at Shida today?
The current surf forecast for Shida at 1AM is: 0.9m 9s primary swell from a East-southeast direction and 0.3m 11s secondary swell from a Southeast direction (forecast issued at 08:00pm May 16). The wind direction is predicted to be cross-onshore.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (17 May) | 3ft (0.9m) | 9s |
| Afternoon (17 May) | 4ft (1.2m) | 8s |
| Evening (17 May) | 4ft (1.2m) | 9s |
Table - waves today at Shida. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastMostly dry. Warm (max 23°C on Tue morning, min 17°C on Sat night). Wind will be generally light. | ||||||||||||||||||||||||
Sat 16 | Sunday 17 | Monday 18 | Tuesday 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 | 12 AM | 3 AM | 6 AM | 9 AM | 12 PM | 3 PM | |
Swell Height Map |   |    |    |    | ||||||||||||||||||||
ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 8 | ESE 9 | ESE 9 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | ESE 9 | ESE 9 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | ESE 9 | SE 9 | SE 10 | |
140 | 140 | 140 | 143 | 140 | 137 | 168 | 190 | 199 | 208 | 194 | 190 | 190 | 160 | 169 | 134 | 131 | 125 | 96 | 70 | 62 | 65 | 70 | 137 | |
Wind (km/h) | ||||||||||||||||||||||||
cross | glassy | glassy | cross-on | cross-on | cross-on | cross | cross | cross-off | glassy | cross | glassy | glassy | off | off | off | off | cross-off | cross-off | cross-off | cross-off | cross-off | off | off | |
High Tide | 4:40PM1.45m | 3:08AM1.54m | 5:30PM1.46m | 3:42AM1.57m | 6:21PM1.44m | 4:19AM1.58m | ||||||||||||||||||
Low Tide | 9:46PM0.91m | 10:21AM-0.07m | 10:25PM0.98m | 11:04AM-0.12m | 11:04PM1.04m | 11:49AM-0.10m | ||||||||||||||||||
 |  |  | |  | | | | | | | | | | | | | | | | | | | | |
 | — | — | — | 4:33 | — | — | — | — | — | — | — | 4:31 | — | — | — | — | — | — | — | 4:31 | — | — | — | — |
 | 6:35 | — | — | — | — | — | — | — | 6:36 | — | — | — | — | — | — | — | 6:37 | — | — | — | — | — | — | 6:37 |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 18 | 18 | 17 | 17 | 18 | 21 | 22 | 21 | 20 | 19 | 19 | 19 | 19 | 21 | 22 | 22 | 21 | 20 | 19 | 19 | 19 | 22 | 23 | 22 |
17 | 19 | 17 | 16 | 17 | 20 | 20 | 19 | 18 | 19 | 18 | 18 | 19 | 20 | 21 | 20 | 20 | 20 | 19 | 19 | 18 | 21 | 21 | 20 | |
Swell 1 Height (m) Direction Period (s) | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 8 | ESE 9 | ESE 9 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | ESE 9 | ESE 9 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | ESE 9 | ESE 8 | SE 10 |
 kJ | 140 | 140 | 140 | 143 | 140 | 137 | 168 | 190 | 199 | 208 | 194 | 190 | 190 | 160 | 169 | 134 | 131 | 125 | 96 | 70 | 62 | 65 | 55 | 137 |
Swell 2 Height (m) Direction Period (s) | NE 7 | SE 11 | SE 11 | SE 11 | SE 11 | SE 11 | NE 9 | NE 9 | NE 10 | ENE 9 | NE 10 | NE 9 | ENE 9 | ENE 10 | ENE 10 | SE 8 | SSE 7 | SE 10 | SE 10 | SE 9 | SE 9 | SE 9 | SE 9 | NE 9 |
| kJ | 9 | 18 | 19 | 19 | 18 | 18 | 29 | 31 | 36 | 15 | 24 | 12 | 8 | 9 | 9 | 14 | 10 | 26 | 35 | 41 | 50 | 65 | 70 | 12 |
Swell 3 Height (m) Direction Period (s) | SE 11 | NE 7 | NE 7 | NE 7 | NE 7 | ENE 10 | ENE 9 | ENE 9 | ENE 9 | NE 9 | NNE 9 | ENE 10 | — | SSE 8 | NE 10 | ENE 10 | SE 10 | ENE 9 | SE 7 | ENE 9 | ENE 9 | ENE 9 | NE 9 | E 11 |
| kJ | 19 | 7 | 7 | 2 | 2 | 31 | 17 | 16 | 16 | 13 | 8 | 11 | — | 13 | 33 | 9 | 16 | 8 | 13 | 8 | 8 | 8 | 13 | 2 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | S 3 | S 3 | S 4 | SSW 4 | S 4 | SSW 4 | S 4 | S 4 | S 4 |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 2 | 8 | 9 | 11 | 12 | 16 | 12 | 14 | 15 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 63 | 0 | 0 | 1 | 3 | 3 | 37 | 63 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 147 | 147 | 7 | 115 | 147 | 0 | 0 |
Best forecast wave conditions in Chiba | ||||||||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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