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Surf Forecasts:

Choshi 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
Choshi surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Choshi sea temperature is
18.7° C
 (Which is 1.6°C colder than average for this time of year)

How big are the waves at Choshi today?

The current surf forecast for Choshi at 12PM is: 0.7m 10s primary swell from a East-southeast direction and 0.2m 9s secondary swell from a East-northeast direction, 0.8m 4s secondary swell from a South direction (forecast issued at 08:00am May 19). The wind direction is predicted to be cross-onshore.

Time (JST) & DateWave HeightWave Period
Morning (19 May)2.5ft (0.7m)9s
Afternoon (19 May)2ft (0.6m)10s
Evening (19 May)2.5ft (0.7m)10s

Table - waves today at Choshi. (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. Warm (max 23°C on Wed morning, min 16°C on Wed night). Winds increasing (light winds from the NNE 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
0
0
0
0
0
0
0
0
0
1
1
0
0
0
0
1
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
9
0.7
ESE
9
0.7
ESE
10
0.6
ESE
10
0.6
ESE
10
0.7
ESE
10
0.7
ESE
10
0.7
ESE
10
0.7
ESE
10
0.7
ESE
10
0.7
ESE
10
0.6
ESE
10
0.6
ESE
10
0.6
ESE
10
0.6
ESE
10
0.6
ESE
10
0.6
ESE
10
1.5
ENE
6
1.5
ENE
6
1.4
ENE
6
1.5
ENE
6
0.5
E
10
1.9
ENE
7
0.5
S
8
Wave Graph
Metric surfscale
Energy kJ
88
92
96
75
78
90
88
88
88
86
86
75
74
74
72
74
74
138
151
132
154
47
313
29
Wind (km/h)
25
SSW
25
SSW
30
SSW
35
SSW
30
SSW
25
SSW
25
SSW
25
SSW
25
SW
20
SSW
15
SW
15
S
15
SSW
10
WSW
10
NNE
25
NE
25
NE
30
ENE
30
NE
20
NNE
35
N
35
NNE
35
NNE
35
NE
Wind State
cross
cross-on
cross-on
cross-on
cross-on
cross
cross-on
cross
cross
cross
cross
cross-on
cross-on
cross-off
cross-off
cross
cross
cross
cross
cross-off
cross-off
cross-off
cross-off
cross-off
High Tide
4:10AM1.35m
7:10PM1.16m
4:49AM1.33m
8:04PM1.10m
5:33AM1.27m
9:00PM1.05m
Low Tide
11:44AM-0.22m
11:37PM0.90m
12:32PM-0.15m
00:19AM0.91m
1:22PM-0.03m
1:10AM0.90m
clear
clear
clear
clear
clear
clear
part cloud
clear
clear
clear
part cloud
part cloud
cloud
cloud
light rain
light rain
light rain
light rain
light rain
mod rain
light rain
light rain
light rain
light rain
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
4:28
—
—
—
—
—
—
4:28
—
—
—
—
—
—
—
4:28
—
—
—
—
—
—
—
4:26
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
—
—
—
—
6:37
—
—
—
—
—
—
—
6:37
—
—
—
—
—
—
—
6:37
—
—
6:38
 mm
—
—
—
—
—
—
—
—
—
—
—
—
—
—
2
4
5
5
1
8
4
1
1
2
Temp °C
19
21
21
21
21
20
20
20
19
22
23
22
22
21
19
17
16
17
18
19
17
17
17
17
Feels °C
17
19
17
17
18
19
18
18
17
20
22
23
22
22
20
14
13
14
15
18
12
12
12
12
Swell 1
Height (m)
Direction
Period (s)
0.7
ESE
9
0.7
ESE
9
0.7
ESE
10
0.6
ESE
10
0.6
ESE
10
0.7
ESE
10
0.7
ESE
10
0.7
ESE
10
0.7
ESE
10
0.7
S
5
0.7
ESE
10
0.7
S
5
0.8
S
5
0.6
S
5
0.6
ESE
10
0.6
ESE
10
0.6
ESE
10
0.2
S
5
0.5
S
6
0.5
SSE
7
0.6
SSE
7
0.6
S
8
0.5
S
8
0.5
S
8
Energy kJ
88
92
96
75
78
90
88
88
88
24
86
25
33
18
72
74
74
2
20
26
38
42
30
29
Swell 2
Height (m)
Direction
Period (s)
0.2
ENE
9
0.2
ENE
9
0.2
ENE
9
0.2
ENE
9
0.4
NE
9
0.4
NE
9
0.4
NE
9
0.4
NE
9
0.4
NE
8
0.7
ESE
10
0.6
S
5
0.6
ESE
10
0.6
ESE
10
0.6
ESE
10
0.5
S
5
0.4
SSE
5
0.3
S
5
0.3
S
5
0.6
S
6
0.5
ESE
10
0.5
ESE
10
0.5
E
10
0.6
ESE
10
—
Energy kJ
8
8
8
8
21
20
19
19
18
86
18
75
74
74
11
7
4
4
29
54
54
47
65
—
Swell 3
Height (m)
Direction
Period (s)
0.4
NE
9
0.4
NE
9
0.1
NE
11
0.1
NE
11
0.1
E
11
0.5
NE
9
0.5
NE
9
0.5
NE
9
0.5
NE
9
0.3
ENE
8
0.3
ENE
8
0.3
ENE
8
0.2
ENE
8
0.3
ENE
8
0.2
ENE
7
0.1
E
12
0.1
NE
12
—
0.1
NE
11
0.1
NE
11
—
—
—
—
Energy kJ
29
29
5
5
2
38
37
37
36
14
14
14
6
12
5
3
6
—
5
5
—
—
—
—
Wind waves
Height (m)
Direction
Period (s)
0.6
S
4
0.6
S
4
0.8
S
4
1.1
S
5
1
S
5
0.8
S
4
0.7
S
4
0.7
S
4
0.7
S
5
1
S
5
0.9
SSW
5
1.1
S
5
1.1
SSW
5
0.9
SSW
5
0.2
NNE
3
0.6
NE
4
1.1
NE
4
1.5
ENE
6
1.5
ENE
6
1.4
ENE
6
1.5
ENE
6
1.8
NE
6
1.9
ENE
7
2
ENE
7
Energy kJ
11
12
22
51
43
26
18
19
21
51
43
64
72
46
1
10
45
138
151
132
154
231
313
372
Nearest Offshore or Glassy
Sakawa River
Kanagawa
Shimoda Yamatoken (Tatado Hama)
Shizuoka
Takegashima
Shikoku
Kaiser's (Hachijojima Island)
Izu Islands
Shida
Chiba
Sakawa River
Kanagawa
Sakawa River
Kanagawa
Sakawa River
Kanagawa
Tsurigasaki Surfing Beach (Tokyo 2020)
Chiba
Kisami-Ohama Beach
Shizuoka
Katagai
Chiba
Hashikui Bay
Shikoku
Sakawa River
Kanagawa
Choshi
Chiba
Choshi
Chiba
Torami
Chiba
Onjuku
Chiba
Kuminatu
Chiba
Onjuku
Chiba
Izumi
Chiba
Onjuku
Chiba
Uchiboso
Chiba
Akabane Long Beach
Shizuoka
Omaezaki
Shizuoka
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)
159
206
640
307
56
159
159
159
55
207
37
613
159
0
0
52
71
83
71
57
71
117
350
266
Best forecast wave conditions in Chiba
Shida
Tsurigasaki Surfing Beach (Tokyo 2020)
Katagai
Tsurigasaki Surfing Beach (Tokyo 2020)
Tsurigasaki Surfing Beach (Tokyo 2020)
Tsurigasaki Surfing Beach (Tokyo 2020)
Kamogawa
Mera
Amatu
Chikura
Chikura
Mera
Rating
(10 max)
1
1
1
1
1
1
2
2
2
3
2
2
Best forecast wave conditions in Japan
Niyodo Rivermouth
Shikoku
Niyodo Rivermouth
Shikoku
Takegashima
Shikoku
Kaiser's (Hachijojima Island)
Izu Islands
Niyodo Rivermouth
Shikoku
Niyodo Rivermouth
Shikoku
Niyodo Rivermouth
Shikoku
Niyodo Rivermouth
Shikoku
Niyodo Rivermouth
Shikoku
Niyodo Rivermouth
Shikoku
Niyodo Rivermouth
Shikoku
Kaifu Rivermouth
Shikoku
Niyodo Rivermouth
Shikoku
Niyodo Rivermouth
Shikoku
Niyodo Rivermouth
Shikoku
Niyodo Rivermouth
Shikoku
Niyodo Rivermouth
Shikoku
Omaezaki
Shizuoka
Suruga Bay
Shizuoka
Niijima - Habushiura
Izu Islands
Niijima - Habushiura
Izu Islands
Niyodo Rivermouth
Shikoku
Niyodo Rivermouth
Shikoku
Niyodo Rivermouth
Shikoku
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
Back Bommie
Australia
Back Bommie
Australia
Avalon-North
Australia
Black Rock
Australia
Bankvaults
Indonesia
Bankvaults
Indonesia
Bali Village
Indonesia
Bali Village
Indonesia
Boneyard
Australia
Cavalos de Fao
Portugal
Cavalos de Fao
Portugal
Crazy Left
Portugal
Arrifana
Portugal
Canal
Brazil
Arrifana
Portugal
Trial Harbour
Australia
Trial Harbour
Australia
Afife
Portugal
Anglet - Corsaires
France
Lambe Lambe
Brazil
Cathedral Rock
Australia
Dunedin - Bobs Beach
New Zealand
Bali Village
Indonesia
Otago Peninsula - Allans Beach
New Zealand
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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