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Surf Forecasts:
Shida surfForecast / Chiba / Japan
48hr Weather and Surf, issued 2 am Friday 22 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
20.5° C
(Which is normal for this time of year)How big are the waves at Shida today?
The current surf forecast for Shida at 7AM is: 1.4m 7s primary swell from a Northeast direction and 0.9m 7s secondary swell from a South direction, 0.6m 9s secondary swell from a East-southeast direction (forecast issued at 02:00am May 22). The wind direction is predicted to be cross-onshore.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (22 May) | 5ft (1.5m) | 7s |
| Afternoon (22 May) | 10ft (3.0m) | 8s |
| Evening (22 May) | 8ft (2.5m) | 8s |
Table - waves today at Shida. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastModerate rain (total 10mm), heaviest on Fri morning. Warm (max 20°C on Sun afternoon, min 15°C on Fri afternoon). Winds decreasing (strong winds from the NNE on Fri afternoon, calm by Sun night). | ||||||||||||||||||||||||
Friday 22 | Saturday 23 | Sunday 24 | ||||||||||||||||||||||
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 |    |    |    | |||||||||||||||||||||
NE 7 | NE 7 | NE 7 | ENE 7 | NE 7 | NE 8 | ENE 8 | ENE 8 | ENE 9 | ENE 9 | ENE 9 | ENE 9 | E 9 | E 9 | ENE 9 | E 9 | E 9 | E 9 | ESE 8 | E 8 | E 8 | E 8 | E 8 | SE 7 | |
145 | 183 | 193 | 243 | 579 | 985 | 1043 | 1031 | 934 | 921 | 900 | 724 | 617 | 554 | 724 | 575 | 455 | 452 | 432 | 304 | 291 | 241 | 196 | 198 | |
Wind (km/h) | ||||||||||||||||||||||||
on | cross-on | on | on | on | on | cross-on | cross-on | on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | off | |
High Tide | 9:07PM1.29m | 6:32AM1.36m | 10:05PM1.27m | 7:39AM1.23m | 10:57PM1.27m | 9:22AM1.10m | ||||||||||||||||||
Low Tide | 1:33AM1.08m | 2:20PM0.25m | 3:01AM1.04m | 3:18PM0.40m | 4:46AM0.94m | 4:22PM0.54m | ||||||||||||||||||
 |  |  | | | |  |  | | | | |  | | | | | | | | | | |  | |
 | — | 4:28 | — | — | — | — | — | — | — | 4:28 | — | — | — | — | — | — | — | 4:28 | — | — | — | — | — | — |
 | — | — | — | — | — | — | 6:39 | — | — | — | — | — | — | — | 6:40 | — | — | — | — | — | — | — | 6:40 | — |
1 | 8 | 3 | 2 | 4 | 1 | — | — | — | — | — | — | — | — | — | — | — | — | 1 | 1 | 1 | — | — | — | |
Temp °C | 16 | 17 | 17 | 18 | 17 | 15 | 15 | 16 | 15 | 15 | 15 | 16 | 17 | 18 | 18 | 18 | 19 | 19 | 17 | 18 | 19 | 20 | 19 | 20 |
12 | 14 | 13 | 14 | 11 | 7 | 8 | 9 | 10 | 9 | 9 | 11 | 12 | 14 | 15 | 15 | 17 | 17 | 15 | 16 | 17 | 18 | 17 | 19 | |
Swell 1 Height (m) Direction Period (s) | S 8 | S 8 | S 7 | S 7 | S 7 | S 7 | S 7 | SSW 7 | S 7 | S 7 | S 7 | S 7 | S 7 | S 7 | E 9 | E 9 | E 9 | E 9 | ESE 8 | E 8 | E 8 | E 8 | E 8 | E 8 |
 kJ | 145 | 114 | 88 | 68 | 49 | 38 | 25 | 17 | 16 | 8 | 8 | 8 | 8 | 8 | 493 | 450 | 455 | 452 | 432 | 304 | 291 | 241 | 196 | 127 |
Swell 2 Height (m) Direction Period (s) | ESE 9 | ESE 9 | ESE 9 | ESE 10 | ESE 9 | — | S 9 | S 9 | S 9 | SE 8 | SW 8 | SW 8 | SW 8 | — | S 7 | S 6 | W 7 | W 8 | — | SSE 7 | SSE 7 | — | E 16 | — |
| kJ | 59 | 58 | 58 | 60 | 49 | — | 6 | 6 | 6 | 2 | 10 | 2 | 2 | — | 3 | 3 | 1 | 1 | — | 68 | 68 | — | 5 | — |
Swell 3 Height (m) Direction Period (s) | — | — | ESE 10 | — | — | — | — | — | — | — | — | SE 8 | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | 71 | — | — | — | — | — | — | — | — | 3 | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | NE 7 | NE 7 | NE 7 | ENE 7 | NE 7 | NE 8 | ENE 8 | ENE 8 | ENE 9 | ENE 9 | ENE 9 | ENE 9 | E 9 | E 9 | ENE 9 | E 9 | — | — | — | — | — | SSE 7 | SE 7 | SE 7 |
| kJ | 140 | 183 | 193 | 243 | 579 | 985 | 1043 | 1031 | 934 | 921 | 900 | 724 | 617 | 554 | 724 | 575 | — | — | — | — | — | 93 | 171 | 198 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 63 | 84 | 216 | 216 | 216 | 216 | 583 | 561 | 583 | 626 | 626 | 872 | 872 | 956 | 63 | 115 | 0 | 0 | 63 | 0 | 63 | 115 | 115 | 0 |
Best forecast wave conditions in Chiba | ||||||||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||||||||
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