Choshi surfForecast / Chiba / Japan

information circle48hr Weather and Surf, issued 8 am Friday 01 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
17.9° C
(Which is 1.0°C colder than average for this time of year)

How big are the waves at Choshi today?

The current surf forecast for Choshi at 11AM is: 2.2m 9s primary swell from a South-southeast direction and 1.6m 9s secondary swell from a East-southeast direction, 0.2m 13s secondary swell from a East-northeast direction (forecast issued at 08:00am May 01). The wind direction is predicted to be cross-onshore.

Time (JST) & DateWave HeightWave Period
Morning (01 May)10ft (3.0m)8s
Afternoon (01 May)10ft (3.0m)9s
Evening (01 May)7ft (2.2m)9s

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


Updates in  hr  min  s Forecast update imminent

Short Range Forecast

Heavy rain (total 35mm), heaviest during Fri morning. Warm (max 22°C on Sat morning, min 15°C on Fri night). Winds decreasing (near gales from the SSW on Fri morning, light winds from the SSE by Sat afternoon).

Friday
1
Saturday
2
Sunday
3
Mon
4
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
1
0
0
1
0
0
0
0
0
0
0
0
0
0
0
Swell
Height Map
<span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span><span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span><span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span>
<span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span><span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span><span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span>
<span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span><span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span><span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span>
<span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span><span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span><span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span>
Wave
Height (m)
Direction
Period (s)
2
SE
7
3
SE
8
2.2
SSE
9
3
SSE
9
2.5
SSE
9
2.2
S
9
1.8
S
9
1.5
S
10
1.1
S
12
0.9
S
12
0.9
SE
9
0.7
ESE
9
0.8
ESE
9
0.8
ESE
9
0.9
SE
9
0.8
ESE
10
0.8
ESE
10
0.6
ESE
10
0.6
ESE
10
0.6
ESE
10
1.3
S
5
1.4
S
5
1.7
S
6
1.8
S
7
Wave Graph
Metric surfscale
Energy kJ
400
970
761
1249
1102
775
509
440
336
224
132
88
103
108
128
117
120
72
71
71
86
113
204
278
Wind (km/h)
40
SE
50
SE
55
SSW
50
SSW
45
SSW
55
SW
40
WSW
40
WSW
30
WNW
20
W
30
WSW
20
SW
10
SSE
15
ESE
25
E
20
E
10
ESE
10
SSE
15
S
35
SSW
40
SSW
45
SSW
45
SSW
45
SSW
on
on
cross-on
cross-on
cross
cross
cross-off
cross-off
cross-off
cross-off
cross-off
cross
cross-on
cross-on
cross-on
cross-on
on
on
cross-on
cross-on
cross
cross
cross
cross
High Tide
3:02AM1.23m
4:36PM1.13m
3:25AM1.26m
5:14PM1.13m
3:49AM1.28m
5:51PM1.12m
Low Tide
9:53AM0.04m
9:50PM0.60m
10:24AM-0.02m
10:21PM0.65m
10:54AM-0.05m
10:51PM0.70m
light rain
heavy rain
heavy rain
light rain
clear
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
clear
part cloud
part cloud
clear
cloud
clear
part cloud
part cloud
cloud
cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
4:45
4:43
4:43
4:41
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:22
6:22
6:23
6:24
3
11
22
2
Temp °C
17
17
19
20
20
18
15
15
16
19
22
22
20
19
18
17
18
19
20
20
20
19
19
19
11
9
11
13
13
7
7
7
9
13
15
18
19
16
13
12
15
18
19
14
14
13
12
12
Swell 1
Height (m)
Direction
Period (s)
0.2
ENE
13
0.2
ENE
13
1.6
ESE
9
0.2
ENE
12
0.2
ENE
12
0.9
ESE
10
1.1
ESE
10
1.5
S
10
1.1
S
12
0.9
S
12
0.9
SE
9
0.7
ESE
9
0.8
ESE
9
0.8
ESE
9
0.9
SE
9
0.8
ESE
10
0.8
ESE
10
0.6
ESE
10
0.6
ESE
10
0.6
ESE
10
0.6
ESE
10
0.5
E
10
0.5
E
10
0.5
E
9
Energy kJ
17
17
358
15
14
163
226
440
336
224
132
88
103
108
128
117
120
72
71
71
72
47
46
45
Swell 2
Height (m)
Direction
Period (s)
0.1
NE
8
0.3
NE
8
0.2
ENE
13
0.2
ENE
12
0.2
ENE
12
0.9
ESE
9
0.8
ESE
9
0.7
ESE
9
0.4
S
11
0.7
S
5
0.6
S
5
0.4
SSE
5
0.2
S
10
0.1
NE
11
0.4
NE
4
0.5
ESE
4
0.6
ESE
4
0.4
ESE
4
0.1
NE
10
0.1
NE
10
0.1
NE
10
0.1
E
10
Energy kJ
2
11
16
14
13
124
98
90
39
23
17
9
8
5
5
10
13
6
4
4
4
2
Swell 3
Height (m)
Direction
Period (s)
0.1
NE
10
0.2
ENE
10
0.2
ENE
11
0.2
ENE
11
0.2
ENE
11
0.2
ENE
11
0.4
SSE
8
0.2
S
11
0.2
S
11
0.1
NE
11
0.2
S
9
0.1
NE
11
0.1
NE
10
0.1
NE
10
0.1
NE
10
0.2
N
8
0.1
N
7
Energy kJ
4
10
13
12
12
12
20
9
9
5
7
4
4
4
4
5
1
Wind waves
Height (m)
Direction
Period (s)
2
SE
7
3
SE
8
2.2
SSE
9
3
SSE
9
2.5
SSE
9
2.2
S
9
1.8
S
9
0.9
WSW
4
0.7
W
4
0.6
W
4
0.6
WSW
4
0.2
W
4
0.9
S
7
0.4
ENE
3
0.5
NE
4
0.6
S
4
1.3
S
5
1.4
S
5
1.7
S
6
1.8
S
7
Energy kJ
400
970
761
1249
1102
775
509
28
13
10
11
1
83
3
7
9
86
113
204
278
Nearest Offshore or Glassy
Rating
(10 max)
1
1
1
2
4
4
2
1
1
1
2
3
1
2
1
2
2
1
1
1
1
1
2
2
Distance (km)
117
159
121
121
112
115
609
609
609
591
37
74
656
52
55
56
56
117
115
37
56
694
1056
916
Best forecast wave conditions in Chiba
Rating
(10 max)
1
2
3
2
3
4
2
2
1
2
1
Best forecast wave conditions in Japan
Rating
(10 max)
1
4
2
3
4
4
2
1
1
1
2
3
1
3
3
4
2
2
2
2
1
1
2
Header Global
Rating
(10 max)
5
6
6
6
7
7
5
6
5
5
5
9
7
5
5
4
4
4
4
4
4
5
5
5
  • 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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