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Surf Forecasts:

Shida surf break

Shida surfForecast / Chiba / Japan

information circle48hr Weather and Surf, issued 2 pm Thursday 21 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
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 6PM is: 1.6m 8s primary swell from a South direction and 0.6m 10s secondary swell from a East-southeast direction, 0.7m 5s secondary swell from a North-northeast direction (forecast issued at 02:00pm May 21). The wind direction is predicted to be onshore.

Time (JST) & DateWave HeightWave Period
Morning (21 May)--
Afternoon (21 May)8ft (2.5m)7s
Evening (21 May)4.5ft (1.4m)8s

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

Updates in  hr  min  s Forecast update imminent 
16 DaysHourly
Print Table

Short Range Forecast

Heavy rain (total 35mm), heaviest during Thu afternoon. Very mild (max 19°C on Thu afternoon, min 15°C on Fri afternoon). Winds decreasing (strong winds from the NNE on Fri afternoon, light winds from the ESE by Sat night).

Thu
21
Friday
22
Saturday
23
Sun
24
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
6 AM
9 AM
Rating
(10 max)
0
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
2
2
1
1
1
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)
1.9
SSW
7
2.5
SW
7
1.6
S
8
1.4
S
8
1.2
S
8
1.2
NE
7
1.2
NE
7
1.5
NE
7
2.1
NE
7
2.5
NE
8
3
ENE
8
2.5
ENE
9
2.5
ENE
9
2.3
ENE
9
2.2
ENE
9
2.1
ENE
9
1.9
ENE
9
1.8
E
9
1.7
E
9
1.6
E
9
1.8
E
9
1.4
E
9
1.4
E
9
1.3
E
9
Wave Graph
Metric surfscale
Energy kJ
362
761
316
251
177
124
139
210
393
849
1108
1157
999
870
778
677
586
517
461
407
544
320
320
270
Wind (km/h)
30
SW
20
NNW
25
N
25
NNE
25
NNE
30
N
30
NNE
35
NNE
40
NNE
40
NNE
40
NNE
35
NNE
30
NNE
30
NNE
25
NE
25
NE
25
ENE
20
ENE
15
E
15
ESE
20
ESE
20
SE
15
SE
15
SSE
Wind State
cross-off
on
on
on
on
on
cross-on
on
on
on
cross-on
cross-on
on
cross-on
cross-on
cross-on
cross-on
cross-on
cross
cross-off
cross-off
cross-off
cross-off
cross-off
High Tide
9:07PM1.29m
6:32AM1.36m
10:05PM1.27m
7:39AM1.23m
10:57PM1.27m
Low Tide
1:33AM1.08m
2:20PM0.25m
3:01AM1.04m
3:18PM0.40m
4:46AM0.94m
light rain
heavy rain
light rain
light rain
light rain
light rain
mod rain
light rain
light rain
light rain
light rain
light rain
cloud
cloud
cloud
cloud
cloud
cloud
cloud
cloud
cloud
cloud
light rain
light rain
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
—
—
—
—
—
4:28
—
—
—
—
—
—
—
4:28
—
—
—
—
—
—
—
4:28
—
—
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
—
—
6:38
—
—
—
—
—
—
—
6:39
—
—
—
—
—
—
—
6:40
—
—
—
—
6:40
 mm
2
13
1
1
1
2
6
1
2
2
1
1
—
—
—
—
—
—
—
—
—
—
2
1
Temp °C
24
19
17
17
16
17
17
17
16
15
15
15
15
15
16
16
17
18
18
19
19
19
18
19
Feels °C
23
18
14
14
13
13
13
12
9
8
8
8
10
9
11
11
13
14
15
17
17
16
16
18
Swell 1
Height (m)
Direction
Period (s)
0.7
SE
9
1.9
SSW
7
1.6
S
8
1.4
S
8
1.2
S
8
1
S
8
1
S
8
1
S
7
0.9
S
7
0.7
S
7
0.5
S
7
0.4
SSW
7
0.4
S
7
0.4
S
7
0.3
S
7
0.3
S
7
0.3
S
7
0.3
S
6
1.7
E
9
1.6
E
9
1.6
E
9
1.4
E
9
1.4
E
9
1.3
E
9
Energy kJ
90
375
316
251
177
114
111
108
88
54
27
17
15
16
8
8
8
7
461
407
408
320
320
270
Swell 2
Height (m)
Direction
Period (s)
0.1
NE
7
0.7
ESE
10
0.6
ESE
10
0.6
ESE
9
0.6
ESE
9
0.6
ESE
10
0.6
ESE
9
0.6
ESE
9
0.5
SE
10
0.6
WSW
8
—
0.2
S
9
0.2
S
9
—
—
0.1
SE
8
0.1
SE
7
0.2
WSW
7
0.2
S
6
0.3
S
6
0.1
SE
12
0.7
SE
6
0.3
NE
10
0.3
NE
10
Energy kJ
2
81
60
59
59
60
58
58
46
46
—
6
6
—
—
2
2
5
3
7
6
37
16
15
Swell 3
Height (m)
Direction
Period (s)
0.1
E
11
0.1
E
11
0.1
NE
11
0.1
E
11
0.1
E
11
0.1
NE
11
—
—
0.5
ESE
10
—
—
—
—
—
—
0.1
SE
8
—
—
0.1
SW
7
—
—
0.1
SE
12
0.1
SE
12
0.1
SW
7
Energy kJ
3
2
5
2
2
5
—
—
55
—
—
—
—
—
—
2
—
—
2
—
—
6
6
2
Wind waves
Height (m)
Direction
Period (s)
1.9
SSW
7
2.5
SW
7
0.7
NNE
5
0.9
NNE
5
1.1
NE
6
1.2
NE
7
1.2
NE
7
1.5
NE
7
2.1
NE
7
2.5
NE
8
3
ENE
8
2.5
ENE
9
2.5
ENE
9
2.3
ENE
9
2.2
ENE
9
2.1
ENE
9
1.9
ENE
9
1.8
E
9
—
—
1.8
E
9
—
1
SE
6
1.1
SE
6
Energy kJ
362
761
22
49
82
124
139
210
393
849
1108
1157
999
870
778
677
586
517
—
—
544
—
66
89
Nearest Offshore or Glassy
Kisami-Ohama Beach
Shizuoka
Hashikui Bay
Shikoku
Katagai
Chiba
Tsurigasaki Surfing Beach (Tokyo 2020)
Chiba
Uchiboso
Chiba
Uchiboso
Chiba
Uchiboso
Chiba
Kugenuma Rivermouth
Kanagawa
Omaezaki
Shizuoka
Omaezaki
Shizuoka
Omaezaki
Shizuoka
Uchizuma
Shikoku
Gomoda
Shikoku
Yasuda Rivermouth
Shikoku
Dragons Leaf
Kyu Shu
Kanegahama
Kyu Shu
Okuragahama
Kyu Shu
Okuragahama
Kyu Shu
Nagata
Kyu Shu
Nagata
Kyu Shu
Keta Reef Oshima
Izu Islands
Dragons Leaf
Kyu Shu
Keta Reef Oshima
Izu Islands
Uchiboso
Chiba
Rating
(10 max)
1
3
2
1
3
2
1
1
2
2
2
1
1
1
1
1
1
1
1
1
1
4
1
1
Distance (km)
155
565
23
1
63
63
63
85
216
216
216
583
544
626
829
875
872
872
956
956
115
829
115
63
Best forecast wave conditions in Chiba
Katagai
Tsurigasaki Surfing Beach (Tokyo 2020)
Uchiboso
Mera
Uchiboso
Uchiboso
Rating
(10 max)
2
1
3
4
1
1
Best forecast wave conditions in Japan
Niyodo Rivermouth
Shikoku
Takegashima
Shikoku
Takegashima
Shikoku
Sakawa River
Kanagawa
Uchiboso
Chiba
Suruga Bay
Shizuoka
Niyodo Rivermouth
Shikoku
Niyodo Rivermouth
Shikoku
Niyodo Rivermouth
Shikoku
Niyodo Rivermouth
Shikoku
Omaezaki
Shizuoka
Yonabaru
Okinawa
Yonabaru
Okinawa
Yonabaru
Okinawa
Fukuoka
Kyu Shu
Fukuoka
Kyu Shu
Rocky Point
Okinawa
Ikei Island
Okinawa
Yonabaru
Okinawa
Aja
Okinawa
Keta Reef Oshima
Izu Islands
Dragons Leaf
Kyu Shu
Sakawa River
Kanagawa
Niyodo Rivermouth
Shikoku
Rating
(10 max)
2
3
2
3
3
4
3
2
2
2
2
1
1
1
2
1
1
1
1
1
1
4
1
3
Header Global
Mata Veri
Chile
Mata Veri
Chile
Mata Veri
Chile
Tahai
Chile
Tahai
Chile
Tahai
Chile
Bali Village
Indonesia
Pauba
Brazil
Otago Peninsula - Allans Beach
New Zealand
Barra de Guaratiba
Brazil
Trial Harbour
Australia
Trial Harbour
Australia
Trial Harbour
Australia
Trial Harbour
Australia
Trial Harbour
Australia
Easter Reef
Australia
Dunedin - Bobs Beach
New Zealand
Arrawarra
Australia
Dunedin - Bobs Beach
New Zealand
Papatowai
New Zealand
Papatowai
New Zealand
Papatowai
New Zealand
Black Rock
Australia
Papatowai
New Zealand
Rating
(10 max)
5
5
5
5
5
5
4
5
4
4
5
7
8
7
6
5
5
6
7
7
8
8
7
6
  • 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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View detailed surf forecast for Shida at:
surf-forecast.com

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