Shida surf break

Shida surfForecast / Chiba / Japan

information circle48hr Weather and Surf, issued 8 pm Saturday 16 May 2026 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
18.4° C
(Which is 2.1°C colder than average for this time of year)

How big are the waves at Shida today?

The current surf forecast for Shida at 1AM is: 0.9m 9s primary swell from a East-southeast direction and 0.3m 11s secondary swell from a Southeast direction (forecast issued at 08:00pm May 16). The wind direction is predicted to be cross-onshore.

Time (JST) & DateWave HeightWave Period
Morning (17 May)3ft (0.9m)9s
Afternoon (17 May)4ft (1.2m)8s
Evening (17 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 Forecast

Mostly dry. Warm (max 23°C on Tue morning, min 17°C on Sat night). Wind will be generally light.

Sat
16
Sunday
17
Monday
18
Tuesday
19
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
6 AM
9 AM
12 PM
3 PM
Rating
(10 max)
0
1
1
0
0
0
1
1
2
2
1
2
1
1
2
1
1
0
0
0
0
0
1
1
Swell
Height Map
Height MapHeight Map
Height MapHeight MapHeight Map
Height MapHeight MapHeight Map
Height MapHeight MapHeight Map
Wave
Height (m)
Direction
Period (s)
0.9
ESE
9
0.9
ESE
9
0.9
ESE
9
0.9
ESE
9
0.9
ESE
9
0.9
ESE
9
1.1
ESE
9
1.2
ESE
8
1.2
ESE
9
1.2
ESE
9
1.2
ESE
8
1.2
ESE
8
1.2
ESE
8
1.1
ESE
8
1.1
ESE
8
0.9
ESE
9
0.9
ESE
9
1
ESE
8
0.8
ESE
8
0.7
ESE
8
0.7
ESE
8
0.6
ESE
9
0.6
SE
9
0.9
SE
10
Wave Graph
Metric surfscale
Energy kJ
140
140
140
143
140
137
168
190
199
208
194
190
190
160
169
134
131
125
96
70
62
65
70
137
Wind (km/h)
10
E
5
NW
5
NW
10
NW
10
NNW
5
NNE
15
E
15
E
10
ESE
0
S
5
W
5
NNE
0
E
10
SSE
15
S
20
SSW
20
SSW
20
SSW
20
SSW
15
SW
20
SSW
20
SSW
25
SSW
25
SSW
cross
glassy
glassy
cross-on
cross-on
cross-on
cross
cross
cross-off
glassy
cross
glassy
glassy
off
off
off
off
cross-off
cross-off
cross-off
cross-off
cross-off
off
off
High Tide
4:40PM1.45m
3:08AM1.54m
5:30PM1.46m
3:42AM1.57m
6:21PM1.44m
4:19AM1.58m
Low Tide
9:46PM0.91m
10:21AM-0.07m
10:25PM0.98m
11:04AM-0.12m
11:04PM1.04m
11:49AM-0.10m
clear
clear
part cloud
clear
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
4:33
4:31
4:31
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:35
6:36
6:37
6:37
Temp °C
18
18
17
17
18
21
22
21
20
19
19
19
19
21
22
22
21
20
19
19
19
22
23
22
17
19
17
16
17
20
20
19
18
19
18
18
19
20
21
20
20
20
19
19
18
21
21
20
Swell 1
Height (m)
Direction
Period (s)
0.9
ESE
9
0.9
ESE
9
0.9
ESE
9
0.9
ESE
9
0.9
ESE
9
0.9
ESE
9
1.1
ESE
9
1.2
ESE
8
1.2
ESE
9
1.2
ESE
9
1.2
ESE
8
1.2
ESE
8
1.2
ESE
8
1.1
ESE
8
1.1
ESE
8
0.9
ESE
9
0.9
ESE
9
1
ESE
8
0.8
ESE
8
0.7
ESE
8
0.7
ESE
8
0.6
ESE
9
0.6
ESE
8
0.9
SE
10
Energy kJ
140
140
140
143
140
137
168
190
199
208
194
190
190
160
169
134
131
125
96
70
62
65
55
137
Swell 2
Height (m)
Direction
Period (s)
0.3
NE
7
0.3
SE
11
0.3
SE
11
0.3
SE
11
0.3
SE
11
0.3
SE
11
0.4
NE
9
0.4
NE
9
0.4
NE
10
0.3
ENE
9
0.4
NE
10
0.3
NE
9
0.2
ENE
9
0.2
ENE
10
0.2
ENE
10
0.4
SE
8
0.3
SSE
7
0.4
SE
10
0.4
SE
10
0.5
SE
9
0.6
SE
9
0.6
SE
9
0.6
SE
9
0.3
NE
9
Energy kJ
9
18
19
19
18
18
29
31
36
15
24
12
8
9
9
14
10
26
35
41
50
65
70
12
Swell 3
Height (m)
Direction
Period (s)
0.3
SE
11
0.3
NE
7
0.3
NE
7
0.1
NE
7
0.1
NE
7
0.4
ENE
10
0.3
ENE
9
0.3
ENE
9
0.3
ENE
9
0.3
NE
9
0.2
NNE
9
0.2
ENE
10
0.3
SSE
8
0.4
NE
10
0.2
ENE
10
0.3
SE
10
0.2
ENE
9
0.4
SE
7
0.2
ENE
9
0.2
ENE
9
0.2
ENE
9
0.3
NE
9
0.1
E
11
Energy kJ
19
7
7
2
2
31
17
16
16
13
8
11
13
33
9
16
8
13
8
8
8
13
2
Wind waves
Height (m)
Direction
Period (s)
0.4
S
3
0.6
S
3
0.6
S
4
0.6
SSW
4
0.6
S
4
0.7
SSW
4
0.6
S
4
0.7
S
4
0.7
S
4
Energy kJ
2
8
9
11
12
16
12
14
15
Nearest Offshore or Glassy
Rating
(10 max)
1
1
1
1
1
1
1
1
2
2
2
2
1
1
2
1
1
1
1
1
1
1
1
1
Distance (km)
63
0
0
1
3
3
37
63
0
0
1
0
0
0
0
0
0
147
147
7
115
147
0
0
Best forecast wave conditions in Chiba
Rating
(10 max)
1
1
1
1
1
1
1
2
2
2
2
2
1
2
1
1
1
1
1
Best forecast wave conditions in Japan
Rating
(10 max)
1
1
1
1
1
1
1
2
2
2
2
2
2
1
2
1
1
1
1
1
1
1
1
2
Header Global
Rating
(10 max)
5
5
5
6
5
4
4
4
6
9
9
7
4
4
5
7
5
4
5
5
4
4
4
4
  • Map Icons:
  • Break
  • Live Wave Height (m)
  • Live Wind Speed (km/h)
  • Surf Rating (10 Max)
  • Ocean Swells (m)
  • Wind Speed (km/h)
Map placeholder

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