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Surf Forecasts:
Shida surfForecast / Chiba / Japan
48hr Weather and Surf, issued 2 am Friday 15 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
17.3° C
(Which is 3.0°C colder than average for this time of year)How big are the waves at Shida today?
The current surf forecast for Shida at 10AM is: 1.4m 9s primary swell from a East direction and 0.1m 9s secondary swell from a Northeast direction, 0.9m 6s secondary swell from a Northeast direction (forecast issued at 02:00am May 15). The wind direction is predicted to be cross-onshore.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (15 May) | 4.5ft (1.4m) | 9s |
| Afternoon (15 May) | 4ft (1.2m) | 9s |
| Evening (15 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 22°C on Sun morning, min 15°C on Fri morning). Wind will be generally light. | ||||||||||||||||||||||||
Friday 15 | Saturday 16 | Sunday 17 | ||||||||||||||||||||||
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 |    |    |    | |||||||||||||||||||||
ESE 9 | ESE 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 7 | E 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | |
266 | 254 | 325 | 325 | 280 | 246 | 240 | 235 | 199 | 194 | 158 | 117 | 121 | 154 | 176 | 176 | 57 | 76 | 172 | 232 | 286 | 280 | 280 | 273 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-on | cross-on | cross-on | cross-on | cross-on | cross | cross | cross | on | on | cross-on | cross-on | cross | cross | cross | glassy | glassy | cross-on | cross-on | glassy | cross-off | cross | cross | cross-off | |
High Tide | 2:08AM1.45m | 3:49PM1.39m | 2:37AM1.50m | 4:40PM1.45m | 3:08AM1.54m | 5:30PM1.46m | ||||||||||||||||||
Low Tide | 9:01AM0.18m | 9:05PM0.83m | 9:40AM0.03m | 9:46PM0.91m | 10:21AM-0.07m | |||||||||||||||||||
 | |  | |  | | |  | | | | | | | | | | | | | | | | | |
 | — | 4:33 | — | — | — | — | — | — | — | 4:33 | — | — | — | — | — | — | — | 4:33 | — | — | — | — | — | — |
 | — | — | — | — | — | — | 6:35 | — | — | — | — | — | — | — | 6:35 | — | — | — | — | — | — | — | 6:36 | — |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 15 | 15 | 15 | 15 | 17 | 17 | 17 | 17 | 17 | 17 | 16 | 18 | 20 | 20 | 20 | 19 | 19 | 18 | 18 | 21 | 22 | 21 | 20 | 19 |
11 | 12 | 12 | 12 | 14 | 14 | 15 | 16 | 16 | 16 | 14 | 16 | 19 | 18 | 20 | 20 | 20 | 17 | 18 | 21 | 21 | 19 | 19 | 19 | |
Swell 1 Height (m) Direction Period (s) | ESE 9 | ESE 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 7 | ESE 7 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 |
 kJ | 266 | 254 | 325 | 325 | 280 | 246 | 240 | 235 | 199 | 194 | 158 | 117 | 121 | 154 | 176 | 176 | 57 | 59 | 172 | 232 | 286 | 280 | 280 | 273 |
Swell 2 Height (m) Direction Period (s) | NE 10 | NE 10 | NE 9 | NE 9 | SE 12 | NE 9 | NE 7 | NE 7 | SE 11 | SE 11 | NE 7 | SE 9 | E 8 | E 8 | NE 7 | SE 11 | E 9 | E 9 | SE 11 | SE 10 | SE 9 | NE 9 | NE 9 | NE 9 |
| kJ | 4 | 4 | 3 | 3 | 6 | 3 | 12 | 12 | 19 | 19 | 7 | 41 | 50 | 33 | 8 | 18 | 56 | 76 | 29 | 50 | 99 | 31 | 20 | 21 |
Swell 3 Height (m) Direction Period (s) | — | SE 12 | SE 12 | SE 12 | NE 9 | S 6 | SE 11 | SSE 12 | NE 7 | NE 7 | SE 11 | SE 11 | SE 11 | NE 8 | SE 11 | NE 7 | SE 11 | SE 11 | SE 10 | NE 9 | NE 9 | ENE 9 | ENE 9 | NE 9 |
| kJ | — | 6 | 6 | 6 | 3 | 1 | 5 | 13 | 7 | 7 | 20 | 20 | 20 | 9 | 19 | 8 | 29 | 30 | 39 | 27 | 29 | 16 | 17 | 13 |
Wind waves Height (m) Direction Period (s) | NE 5 | NE 5 | NNE 6 | NE 6 | NE 6 | NE 7 | NNE 7 | — | — | NE 7 | NNE 6 | NNE 6 | E 6 | — | ESE 6 | — | — | — | — | — | — | — | — | — |
| kJ | 40 | 29 | 53 | 49 | 61 | 23 | 30 | — | — | 22 | 16 | 4 | 76 | — | 75 | — | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 70 | 70 | 70 | 70 | 70 | 63 | 115 | 17 | 3 | 3 | 3 | 30 | 17 | 63 | 17 | 0 | 0 | 1 | 1 | 0 | 0 | 63 | 155 | 0 |
Best forecast wave conditions in Chiba | ||||||||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||||||||
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