Shida surf break

Shida surfForecast / Chiba / Japan

information circle48hr Weather and Surf, issued 8 am Tuesday 19 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
19.3° C
(Which is 1.3°C colder than average for this time of year)

How big are the waves at Shida today?

The current surf forecast for Shida at 12PM is: 0.6m 10s primary swell from a Southeast direction and 0.6m 8s secondary swell from a East-southeast direction (forecast issued at 08:00am May 19). An open ocean swell of 0.7m 4s is not directed at the surf break. The wind direction is predicted to be offshore.

Time (JST) & DateWave HeightWave Period
Morning (19 May)2.5ft (0.7m)8s
Afternoon (19 May)3ft (0.9m)10s
Evening (19 May)3ft (0.9m)10s

Table - waves today at Shida. (Swell directed towards the surf break)


Updates in  hr  min  s Forecast update imminent

Short Range Forecast

Heavy rain (total 33mm), heaviest during Wed night. Warm (max 24°C on Wed morning, min 16°C on Thu night). Winds increasing (calm on Wed night, fresh winds from the NNE by Thu night).

Tuesday
19
Wednesday
20
Thursday
21
Fri
22
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
Rating
(10 max)
0
0
0
0
1
0
0
0
0
0
1
0
0
1
1
1
0
0
0
0
0
0
0
0
Swell
Height Map
Height MapHeight MapHeight Map
Height MapHeight MapHeight Map
Height MapHeight MapHeight Map
Height MapHeight MapHeight Map
Wave
Height (m)
Direction
Period (s)
0.7
ESE
8
0.7
ESE
8
0.6
SE
10
0.9
ESE
10
0.9
SE
10
0.9
SE
10
0.9
SE
10
0.9
SE
10
0.9
SE
10
0.9
SE
10
0.9
SE
10
0.9
SE
10
0.9
SE
9
0.9
SE
9
0.9
SE
9
0.9
SE
9
0.9
SE
9
0.7
SE
9
1.2
NE
6
1.1
S
7
1.4
NE
6
1.6
NE
6
1.6
NE
7
1.8
NE
7
Wave Graph
Metric surfscale
Energy kJ
62
73
77
161
137
139
142
142
142
139
160
134
128
128
128
125
125
88
90
114
133
171
230
287
Wind (km/h)
20
SSW
20
SSW
25
SSW
25
SSW
25
SSW
20
SSW
20
SSW
25
SW
25
SW
20
SW
20
SW
25
SSW
20
SSW
15
SW
10
SW
0
N
15
NE
20
NE
20
NE
20
NW
25
N
25
NNE
30
NNE
30
NNE
cross-off
cross-off
off
cross-off
off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
glassy
cross-on
cross-on
cross-on
cross-on
on
on
on
on
High Tide
4:19AM1.58m
7:13PM1.39m
4:58AM1.55m
8:09PM1.33m
5:41AM1.47m
9:07PM1.29m
Low Tide
11:49AM-0.10m
11:44PM1.07m
12:36PM-0.02m
00:31AM1.09m
1:26PM0.10m
1:33AM1.08m
clear
clear
clear
clear
part cloud
clear
part cloud
cloud
clear
clear
part cloud
cloud
cloud
cloud
mod rain
light rain
light rain
light rain
cloud
light rain
light rain
light rain
light rain
light rain
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
4:31
4:31
4:30
4:28
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:37
6:37
6:38
6:39
9
2
3
3
4
2
3
1
5
Temp °C
19
22
23
22
21
20
20
19
20
23
24
24
22
21
21
20
18
18
19
18
17
16
16
16
18
20
20
19
19
19
19
17
18
21
22
21
21
21
23
24
17
16
18
17
14
12
12
12
Swell 1
Height (m)
Direction
Period (s)
0.7
ESE
8
0.7
ESE
8
0.6
ESE
8
0.9
ESE
10
0.9
SE
10
0.9
SE
10
0.9
SE
10
0.9
SE
10
0.9
SE
10
0.9
SE
10
0.9
SE
10
0.9
SE
10
0.9
SE
9
0.9
SE
9
0.9
SE
9
0.9
SE
9
0.9
SE
9
0.8
S
6
1
S
7
1.2
ENE
6
1.1
S
7
1.1
S
8
1
S
8
0.9
S
7
Energy kJ
62
73
55
161
137
139
142
142
142
139
160
134
128
128
128
125
125
47
86
93
131
138
118
88
Swell 2
Height (m)
Direction
Period (s)
0.6
SE
9
0.6
SE
9
0.6
SE
10
0.2
ENE
9
0.2
ENE
9
0.4
NE
9
0.4
NE
10
0.4
NE
9
0.4
NE
8
0.4
NE
8
0.4
NE
9
0.2
ENE
9
0.2
ENE
8
0.2
ENE
8
0.2
ENE
8
0.4
S
4
0.5
S
5
0.7
SE
9
0.7
SE
9
1.1
S
7
0.7
ESE
10
0.6
ESE
9
0.6
ESE
9
0.5
SE
9
Energy kJ
50
68
77
8
8
23
23
22
18
18
19
7
7
6
6
6
10
88
90
114
80
59
58
41
Swell 3
Height (m)
Direction
Period (s)
0.2
ENE
9
0.2
ENE
9
0.2
ENE
9
0.1
E
11
0.4
NE
9
0.4
NE
9
0.4
NE
9
0.4
NE
9
0.4
NE
9
0.4
NE
9
0.4
NE
9
0.4
NE
8
0.4
NE
8
0.1
S
8
0.2
ENE
8
0.2
ENE
8
0.1
NE
12
0.1
E
11
0.7
SE
9
0.1
NE
11
Energy kJ
8
8
8
2
29
29
27
27
26
26
26
18
17
1
6
6
6
3
88
5
Wind waves
Height (m)
Direction
Period (s)
0.6
S
4
0.6
S
4
0.7
SSW
4
0.9
SSW
4
0.7
SSW
4
0.6
SSW
4
0.6
S
4
0.8
S
4
0.8
SSW
4
0.9
SSW
5
0.8
SSW
4
0.9
SSW
4
0.9
SSW
4
0.6
SSW
4
0.5
S
4
0.6
SSW
4
1
NE
4
1.2
NE
6
1.4
NE
6
1.6
NE
6
1.6
NE
7
1.8
NE
7
Energy kJ
9
10
15
24
17
11
12
20
26
30
21
26
29
16
10
13
39
88
133
171
230
287
Nearest Offshore or Glassy
Rating
(10 max)
1
1
1
2
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
2
2
1
3
2
Distance (km)
115
153
592
256
0
115
115
115
1
155
23
565
115
0
0
0
17
27
17
3
17
63
303
216
Best forecast wave conditions in Chiba
Rating
(10 max)
1
1
1
1
1
1
2
2
2
3
2
2
Best forecast wave conditions in Japan
Rating
(10 max)
1
1
1
2
1
1
1
1
1
2
2
1
2
2
2
2
2
2
2
3
3
4
3
2
Header Global
Rating
(10 max)
4
4
4
4
4
4
4
4
5
5
5
5
4
5
4
5
5
4
4
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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