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Surf Forecasts:
Shida surfForecast / Chiba / Japan
48hr Weather and Surf, issued 8 am Sunday 10 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
18.9° C
(Which is 1.0°C colder than average for this time of year)How big are the waves at Shida today?
The current surf forecast for Shida at 1PM is: 0.6m 9s primary swell from a Southeast direction (forecast issued at 08:00am May 10). An open ocean swell of 0.2m 6s is not directed at the surf break, a second open ocean swell of 0.9m 6s is not directed at the surf break. The wind direction is predicted to be cross-offshore.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (10 May) | 2.5ft (0.8m) | 10s |
| Afternoon (10 May) | 2ft (0.6m) | 9s |
| Evening (10 May) | 2ft (0.6m) | 9s |
Table - waves today at Shida. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastMostly dry. Very mild (max 19°C on Sun afternoon, min 16°C on Tue night). Wind will be generally light. | ||||||||||||||||||||||||
Sunday 10 | Monday 11 | Tuesday 12 | Wed 13 | |||||||||||||||||||||
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 |    |    |    |    | ||||||||||||||||||||
SE 10 | SE 10 | SE 9 | SE 9 | SE 9 | SE 9 | SE 9 | SE 10 | SE 10 | SE 10 | SE 10 | SE 10 | SE 9 | SE 9 | SE 9 | SE 9 | SE 9 | SE 9 | SE 9 | SE 9 | SE 9 | SE 9 | SE 9 | SE 9 | |
94 | 110 | 70 | 67 | 67 | 64 | 79 | 96 | 100 | 100 | 98 | 157 | 173 | 103 | 202 | 206 | 203 | 208 | 203 | 199 | 230 | 235 | 206 | 242 | |
Wind (km/h) | ||||||||||||||||||||||||
cross | cross-off | cross-off | cross-off | cross-off | off | off | off | off | off | off | off | off | off | off | off | off | off | cross-off | cross-off | cross-off | off | glassy | glassy | |
High Tide | 8:24AM1.12m | 00:11AM1.26m | 10:42AM1.07m | 00:45AM1.31m | 12:34PM1.11m | 1:14AM1.36m | ||||||||||||||||||
Low Tide | 4:39AM1.05m | 4:22PM0.49m | 6:16AM0.93m | 5:34PM0.55m | 7:07AM0.76m | 6:37PM0.61m | ||||||||||||||||||
 |  |  | | |  | | | | | | | | | | | | | | | | |  | | |
 | 4:39 | — | — | — | — | — | — | 4:37 | — | — | — | — | — | — | — | 4:37 | — | — | — | — | — | — | — | 4:35 |
 | — | — | — | — | 6:30 | — | — | — | — | — | — | — | 6:30 | — | — | — | — | — | — | — | 6:31 | — | — | 6:32 |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 17 | 18 | 18 | 19 | 18 | 18 | 18 | 18 | 18 | 19 | 19 | 19 | 18 | 18 | 17 | 17 | 17 | 18 | 19 | 18 | 18 | 17 | 17 | 16 |
14 | 14 | 14 | 15 | 14 | 15 | 15 | 15 | 16 | 16 | 15 | 15 | 15 | 16 | 15 | 15 | 16 | 16 | 16 | 15 | 16 | 16 | 17 | 16 | |
Swell 1 Height (m) Direction Period (s) | SE 10 | SE 10 | SE 9 | SE 9 | SE 9 | SE 9 | SE 9 | SE 10 | SE 10 | SE 10 | SE 10 | SE 10 | SE 9 | SE 9 | SE 9 | SE 9 | SE 9 | SE 9 | SE 9 | SE 9 | SE 9 | SE 9 | SE 9 | SE 9 |
 kJ | 94 | 110 | 70 | 67 | 67 | 64 | 79 | 96 | 100 | 100 | 98 | 157 | 173 | 103 | 202 | 206 | 203 | 208 | 203 | 199 | 230 | 235 | 206 | 242 |
Swell 2 Height (m) Direction Period (s) | SSW 6 | NE 6 | NNE 6 | NNE 5 | SE 11 | SE 11 | SE 11 | NE 10 | NE 11 | NE 11 | NE 11 | N 6 | NE 13 | NE 12 | NE 11 | ENE 11 | ENE 10 | ENE 10 | ENE 10 | NE 10 | NE 9 | NE 9 | NE 9 | NE 9 |
| kJ | 8 | 5 | 3 | 3 | 5 | 5 | 5 | 4 | 4 | 5 | 5 | 1 | 7 | 5 | 5 | 11 | 10 | 10 | 9 | 4 | 3 | 3 | 3 | 3 |
Swell 3 Height (m) Direction Period (s) | SW 7 | W 6 | NE 6 | — | ESE 11 | NE 11 | NE 10 | N 8 | N 8 | N 6 | N 6 | N 6 | N 8 | NE 8 | NE 8 | NE 11 | NE 10 | NE 10 | — | — | S 10 | S 9 | — | NE 13 |
| kJ | 2 | 1 | 16 | — | 12 | 4 | 4 | 1 | 1 | 1 | 1 | 1 | 1 | 3 | 2 | 29 | 26 | 25 | — | — | 2 | 2 | — | 7 |
Wind waves Height (m) Direction Period (s) | ENE 4 | ESE 4 | SE 6 | SSE 6 | SSE 6 | SSE 6 | SSE 5 | SSE 5 | S 5 | S 5 | S 5 | SSW 3 | SSE 8 | SSE 8 | — | — | — | — | — | — | — | — | — | — |
| kJ | 7 | 7 | 38 | 59 | 53 | 53 | 42 | 45 | 34 | 25 | 25 | 2 | 79 | 68 | — | — | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 70 | 216 | 115 | 544 | 565 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 8 | 0 | 0 | 0 | 0 | 0 |
Best forecast wave conditions in Chiba | ||||||||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||||||||
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