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Surf Forecasts:

Shida surf break

Shida surfForecast / Chiba / Japan

information circle12 Day Weather and Surf, issued 2 am Saturday 30 Aug 2025 JST
Forecast 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
27.2° C
 (Which is slightly warmer than usual)

Best Forecast Surf Conditions for Shida this week:

The surf forecast for Shida over the next 12 days: The first swell (rated 1 star or higher) is forecast to arrive on Saturday (Aug 30) at 9AM. The primary swell is predicted to be 0.7m and 10s period with a secondary swell of 0.3m and 4s. The wind is predicted to be glassy as the swell arrives.

The most powerful waves expected at Shida in the next 12 days are 0.9m 10s and forecast to arrive on Saturday (Sep 06) at 12AM. Winds are predicted to be onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.1m 5s period and expected on Tuesday (Sep 02) at 3PM.

Wave TypeTime (JST) & Date Wave Height & Period
Next good surf (1 star+) 9AM (Sat 30th Aug)2.5ft (0.7m) 10s
Best Surf 9AM (Sat 30th Aug)2.5ft (0.7m) 10s
Most Powerful12AM (Sat 6th Sep)3ft (0.9m) 10s

Table - best surf conditions forecast for Shida over the next 12 days.

Updates in  hr  min  s Forecast update imminent 
12 DaysHourly
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Short Range Forecast Mostly dry. Warm (max 30°C on Sat afternoon, min 26°C on Sun night). Wind will be generally light.

Days 3-6 Weather Summary Heavy rain (total 29mm), heaviest during Wed night. Warm (max 30°C on Tue morning, min 23°C on Wed night). Winds decreasing (fresh winds from the SSW on Tue afternoon, light winds from the NE by Wed morning).

Saturday
30
Sunday
31
Monday
01
Tuesday
02
Wednesday
03
Thursday
04
Friday
05
AMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNight
Rating
(10 max)
1
1
1
0
1
0
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
Swell
Height Map
See all maps
Wave Height (m) & direction (?)
0.7
SE
0.7
SE
0.5
ESE
0.5
E
0.5
E
0.4
SE
0.4
SE
0.6
ESE
0.6
ESE
0.6
SE
0.6
SE
0.6
SE
0.7
SE
0.5
SE
0.5
SE
0.6
ESE
0.6
S
0.6
S
0.8
S
0.8
S
0.9
SSW
Period(s) (?)101098899991091099109811101010
Wave
Graph
(?)Metric surfscale
Energy (?)11011273706847627710010210210912911489118125168189177211
Wind
(km/h)
5
SW
15
S
10
SW
10
ENE
10
ESE
5
SSW
15
SSW
30
SSW
25
SW
25
SW
30
SSW
20
SW
5
NE
20
ENE
15
NE
20
NE
25
NE
20
NE
25
NE
20
NE
10
N
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
glassoffcross-
off		cross-
on		cross-
off		cross-
off		cross-
off		offcross-
off		cross-
off		cross-
off		cross-
off		cross-
on		crosscross-
on		cross-
on		cross-
on		cross-
on		cross-
on		cross-
on		on
High Tide
/ height (m)
7:16PM
1.38
9:53AM
1.02
7:39PM
1.34
8:10PM
1.29
9:23PM
1.23
3:38PM
1.25
11:51PM
1.22
3:45PM
1.31
1:20AM
1.29
4:00PM
1.37
2:21AM
1.37
Low Tide
/ height (m)
1:06PM
0.86
2:46AM
0.46
1:07PM
0.97
3:57AM
0.49
5:36AM
0.47
7:03AM
0.39
7:57PM
1.14
8:01AM
0.30
8:40PM
1.05
8:45AM
0.21
9:12PM
0.94
Saturday
30
Sunday
31
Monday
01
Tuesday
02
Wednesday
03
Thursday
04
Friday
05
Sunrise5:07--5:09--5:09--5:09--5:11--5:11--5:11--
Sunset-6:08--6:07--6:06--6:05--6:04--6:01--6:00-
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
part cloud
thunderstorm
thunderstorm
heavy rain
rain showers
part cloud
rain showers
clear
clear
clear
Rain (mm)
------------35191-1---
Temp. °C293028292927302927302927282723262625272724
Feels °C (?)323331323332302928292828312923262626272725
  • Map Icons:
  • Break
  • Live Wave Height (m)
  • Live Wind Speed (km/h)
  • Surf Rating (10 Max)
  • Ocean Swells (m)
  • Wind Speed (km/h)
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Eyeball surf reportRecent Eyeball Surf Reports for Chiba

  1. weather stationWind Update Continuing clean conditions at Shida (calm at Katsuura 22 km from Shida). 0.6m 9s swell from the ESE with a 0.4m 3s local chop from the SW and a 0.3m 3s local chop from the SSW. 3 swells combining to make bigger set waves.

    1 hour 7 minutes ago Shida
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22 km away, 1 h 7 min ago

4 km/h
W
0.0
27.2
Air / Water (°C)
Please reload the page to see if there are any updates.

FREE! Surf-Forecast.com widget for your website

The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our Shida surf forecast. Simply grab the html code snippet that we provide and paste it into your own site. You can choose your preferred language and metric/imperial units for the surf forecast feed to suit users of your site. Click here to get the code.

View detailed surf forecast for Shida at:
surf-forecast.com

Information about the Shida Surf forecast

The above surf forecast table for Shida provides essential information for determining whether the surfing conditions will be good over the next 12 days. A general guide to surfing at Shida can be found by selecting the local surf guide option on the grey menu. Our Shida surf forecast is unique since it includes wave energy (power) that defines the real feel of the surf rather than just the height or the period. If you surf the same spot (Shida) regularly then make a mental note of the wave energy from the surf forecast table each time you go. Very soon you may start to choose your surf days based on the wave energy alone combined with our forecast of favourable offshore wind conditions. Our star ratings will help here and of course you will also find the usual wave height and period predictions on our surf forecasts as well as a full break down of the swell components under our advanced users option (to reveal that, click the little Einstein character under the tide times).

Further information to help with frequently asked questions about our surf forecast for Shida may be found under the help tab on the top menu and also by moving your mouse over the question marks on the surf forecast table itself. Please always bear in mind that the forecast is for near-shore open water and local factors at each surf break influence the actual breaking wave height, such as the beach / reef profile, water depths offshore and shelter.

Shida is 9 km (6 miles) from the city of Ohara. If you plan a holiday in Chiba, look for hotels and other accommodation in Ohara. Ohara has rooms for a wide range of budgets as well as car hire and transport links.

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