Shida surf break

Shida surfForecast / Chiba / Japan

information circle48hr Weather and Surf, issued 8 pm 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
19.9° C
(Which is slightly cooler than normal)

How big are the waves at Shida today?

The current surf forecast for Shida at 12AM is: 0.9m 10s primary swell from a Southeast direction and 0.4m 10s secondary swell from a Northeast direction (forecast issued at 08:00pm May 19). An open ocean swell of 0.7m 4s is not directed at the surf break. The wind direction is predicted to be cross-offshore.

Time (JST) & DateWave HeightWave Period
Morning (20 May)--
Afternoon (20 May)--
Evening (20 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 36mm), heaviest during Thu night. Warm (max 24°C on Wed morning, min 16°C on Fri morning). Winds increasing (light winds from the N on Thu afternoon, strong winds from the NNE by Fri morning).

Tue
19
Wednesday
20
Thursday
21
Friday
22
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
0
0
0
0
0
0
0
0
0
0
0
0
1
1
0
3
0
0
0
0
0
0
0
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
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
0.8
ESE
9
1.2
SSW
6
1.9
SSW
7
1.8
SSW
7
2.4
SW
8
1.5
S
8
1.2
S
8
1.4
NE
7
1.7
NE
7
2.2
NE
8
2.5
NE
8
3
NE
9
Wave Graph
Metric surfscale
Energy kJ
137
139
142
142
142
139
139
134
128
128
128
125
110
112
345
340
646
265
168
209
301
549
941
1553
Wind (km/h)
25
SSW
20
SSW
25
SSW
25
SW
20
SW
25
SW
30
SW
30
SSW
25
SSW
20
SW
20
SW
20
SW
15
SW
20
SW
20
SW
20
NW
5
N
25
NNE
30
NNE
30
NNE
30
NNE
40
NNE
45
NNE
45
NNE
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-on
on
cross-on
cross-on
on
on
on
cross-on
cross-on
High Tide
7:13PM1.39m
4:58AM1.55m
8:09PM1.33m
5:41AM1.47m
9:07PM1.29m
6:32AM1.36m
Low Tide
11:44PM1.07m
12:36PM-0.02m
00:31AM1.09m
1:26PM0.10m
1:33AM1.08m
2:20PM0.25m
part cloud
cloud
cloud
cloud
clear
part cloud
clear
part cloud
cloud
cloud
light rain
light rain
light rain
light rain
light rain
light rain
mod rain
mod rain
light rain
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
4:30
4:28
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:37
6:37
6:38
6:39
2
1
1
1
1
3
6
7
2
3
3
4
1
1
Temp °C
21
20
20
20
20
23
24
24
22
22
21
22
22
23
22
20
19
17
17
17
17
16
16
16
20
19
19
19
19
22
21
22
21
22
21
22
23
23
22
19
21
14
13
13
13
10
9
9
Swell 1
Height (m)
Direction
Period (s)
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
0.8
ESE
9
0.7
SE
9
0.7
SE
9
0.6
ESE
10
1.6
SSW
8
1.5
S
8
1.2
S
8
1.1
S
8
1
S
7
0.8
S
7
0.8
S
7
0.6
S
7
Energy kJ
137
139
142
142
142
139
139
134
128
128
128
125
110
88
90
61
300
265
168
138
106
66
66
39
Swell 2
Height (m)
Direction
Period (s)
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
0.2
ENE
8
0.2
ENE
8
0.2
ENE
7
0.1
NE
7
0.1
NE
7
0.6
ESE
10
0.6
ESE
9
0.6
ESE
9
0.5
SE
9
0.5
SE
9
0.5
SE
10
0.4
ESE
10
0.4
ESE
10
Energy kJ
8
23
23
22
18
18
19
7
7
6
6
6
6
5
2
2
60
59
58
43
42
45
38
37
Swell 3
Height (m)
Direction
Period (s)
0.4
NE
9
0.4
NE
9
0.4
NE
9
0.4
NE
9
0.4
NE
9
0.1
SE
6
0.3
SE
6
0.4
NE
8
0.4
NE
8
0.1
S
8
0.1
E
12
0.1
NE
12
0.1
E
11
0.1
E
11
0.1
NE
7
0.1
E
11
0.5
ESE
10
Energy kJ
29
29
27
27
26
2
5
18
17
1
3
6
3
2
2
2
54
Wind waves
Height (m)
Direction
Period (s)
0.6
SSW
4
0.6
SSW
4
0.7
S
4
0.8
S
4
0.9
SSW
5
0.9
SSW
5
0.9
SSW
5
1
SSW
5
0.9
SSW
5
0.7
SSW
5
0.6
S
5
0.7
S
5
0.8
S
5
1.2
SSW
6
1.9
SSW
7
1.8
SSW
7
2.4
SW
8
0.9
NNE
6
1.4
NE
6
1.4
NE
7
1.7
NE
7
2.2
NE
8
2.5
NE
8
3
NE
9
Energy kJ
12
11
17
26
38
33
32
49
39
23
15
21
32
112
345
340
646
55
144
209
301
549
941
1553
Nearest Offshore or Glassy
Rating
(10 max)
1
1
1
1
1
2
1
1
1
1
1
1
1
1
1
2
4
3
3
3
2
1
2
1
Distance (km)
153
115
115
115
115
256
565
565
208
115
115
115
7
91
1
3
3
147
544
303
216
561
583
580
Best forecast wave conditions in Chiba
Rating
(10 max)
1
2
2
4
Best forecast wave conditions in Japan
Rating
(10 max)
1
1
1
2
2
2
2
2
2
2
2
2
2
2
2
2
4
3
4
3
2
2
2
1
Header Global
Rating
(10 max)
4
4
4
4
5
5
5
5
4
4
4
5
5
4
4
5
5
4
4
5
4
5
5
6
  • 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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