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Surf Forecasts:
Shida surfForecast / Chiba / Japan
48hr Weather and Surf, issued 8 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 1PM is: 2.1m 7s primary swell from a Northeast direction and 0.7m 7s secondary swell from a South direction, 0.5m 9s secondary swell from a Southeast direction (forecast issued at 08:00am May 22). The wind direction is predicted to be onshore.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (22 May) | 5ft (1.6m) | 7s |
| Afternoon (22 May) | 8ft (2.5m) | 8s |
| Evening (22 May) | 10ft (3.0m) | 9s |
Table - waves today at Shida. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastLight rain (total 9mm), mostly falling on Fri morning. Very mild (max 19°C on Sat night, 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 | Mon 25 | |||||||||||||||||||||
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 |    |    |    |    | ||||||||||||||||||||
NE 7 | NE 7 | NE 7 | NE 8 | ENE 8 | ENE 9 | ENE 9 | ENE 9 | ENE 9 | ENE 9 | E 9 | E 9 | ENE 9 | E 9 | E 9 | E 9 | E 9 | E 9 | ESE 9 | E 9 | E 9 | E 9 | E 9 | E 9 | |
205 | 261 | 375 | 810 | 1082 | 1218 | 1074 | 865 | 939 | 917 | 742 | 664 | 807 | 538 | 481 | 486 | 375 | 365 | 488 | 304 | 291 | 257 | 247 | 220 | |
Wind (km/h) | ||||||||||||||||||||||||
on | on | on | on | 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 | cross-off | cross-off | cross-off | |
High Tide | 6:32AM1.36m | 10:05PM1.27m | 7:39AM1.23m | 10:57PM1.27m | 9:22AM1.10m | 11:40PM1.29m | ||||||||||||||||||
Low Tide | 2:20PM0.25m | 3:01AM1.04m | 3:18PM0.40m | 4:46AM0.94m | 4:22PM0.54m | |||||||||||||||||||
 | | | | |  |  | |  |  | | | | | | | | | | | |  | | | |
 | 4:28 | — | — | — | — | — | — | 4:28 | — | — | — | — | — | — | — | 4:28 | — | — | — | — | — | — | — | 4:28 |
 | — | — | — | — | 6:39 | — | — | — | — | — | — | — | 6:40 | — | — | — | — | — | — | — | 6:40 | — | — | 6:42 |
2 | 1 | 4 | 1 | 1 | 1 | — | — | — | — | — | — | — | — | — | — | 1 | — | — | — | — | — | — | — | |
Temp °C | 17 | 18 | 17 | 15 | 15 | 15 | 15 | 15 | 15 | 16 | 17 | 17 | 17 | 18 | 19 | 18 | 17 | 18 | 19 | 19 | 19 | 19 | 19 | 19 |
14 | 15 | 11 | 7 | 8 | 8 | 10 | 9 | 10 | 11 | 12 | 13 | 14 | 16 | 16 | 16 | 15 | 15 | 16 | 17 | 17 | 18 | 18 | 20 | |
Swell 1 Height (m) Direction Period (s) | S 7 | S 7 | S 7 | S 7 | S 7 | SSW 7 | S 7 | S 7 | SSW 7 | SSW 7 | S 7 | S 7 | E 9 | S 6 | E 9 | E 9 | E 9 | E 9 | — | E 9 | E 9 | E 9 | E 9 | SE 7 |
 kJ | 88 | 68 | 64 | 38 | 25 | 17 | 16 | 15 | 18 | 17 | 8 | 8 | 601 | 7 | 481 | 486 | 375 | 365 | — | 304 | 291 | 257 | 247 | 156 |
Swell 2 Height (m) Direction Period (s) | ESE 9 | SE 9 | SE 9 | WSW 8 | S 9 | S 9 | — | — | — | WSW 8 | WSW 7 | S 7 | S 7 | NE 11 | S 6 | NNE 10 | NNE 10 | NE 10 | ESE 10 | ESE 10 | SE 7 | SE 7 | SE 7 | E 9 |
| kJ | 58 | 41 | 42 | 43 | 6 | 6 | — | — | — | 6 | 5 | 15 | 8 | 5 | 3 | 10 | 10 | 15 | 10 | 10 | 106 | 112 | 136 | 220 |
Swell 3 Height (m) Direction Period (s) | ESE 10 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | SW 8 | SW 8 | — | SW 7 | SW 7 | — | ESE 11 | — | E 16 |
| kJ | 72 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 3 | 2 | — | 2 | 2 | — | 11 | — | 5 |
Wind waves Height (m) Direction Period (s) | NE 7 | NE 7 | NE 7 | NE 8 | ENE 8 | ENE 9 | ENE 9 | ENE 9 | ENE 9 | ENE 9 | E 9 | E 9 | ENE 9 | E 9 | — | SE 6 | SSE 6 | SSE 6 | ESE 9 | SE 7 | — | — | — | — |
| kJ | 205 | 261 | 375 | 810 | 1082 | 1218 | 1074 | 865 | 939 | 917 | 742 | 664 | 807 | 538 | — | 46 | 41 | 61 | 488 | 103 | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 561 | 30 | 216 | 580 | 216 | 216 | 561 | 626 | 872 | 956 | 63 | 626 | 626 | 956 | 0 | 74 | 63 | 115 | 74 | 115 | 63 | 0 | 0 | 0 |
Best forecast wave conditions in Chiba | ||||||||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||||||||
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