Choshi surfForecast / Chiba / Japan

information circle48hr Weather and Surf, issued 8 pm Saturday 02 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
17.7° C
(Which is 1.3°C colder than average for this time of year)

How big are the waves at Choshi today?

The current surf forecast for Choshi at 2AM is: 0.9m 10s primary swell from a East-southeast direction and 0.2m 11s secondary swell from a East-northeast direction (forecast issued at 08:00pm May 02). An open ocean swell of 0.2m 3s is not directed at the surf break. The wind direction is predicted to be cross-onshore.

Time (JST) & DateWave HeightWave Period
Morning (03 May)2.5ft (0.8m)10s
Afternoon (03 May)2ft (0.6m)10s
Evening (03 May)5ft (1.6m)6s

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


Updates in  hr  min  s Forecast update imminent

Short Range Forecast

Some drizzle, heaviest during Sun night. Warm (max 22°C on Mon morning, min 13°C on Mon night). Winds decreasing (gales from the SSW on Sun night, calm by Tue morning).

Sat
2
Sunday
3
Monday
4
Tuesday
5
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)
1
0
0
0
0
0
0
0
0
0
0
0
0
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>
Wave
Height (m)
Direction
Period (s)
0.8
ESE
9
0.8
ESE
9
0.7
ESE
10
0.9
ESE
10
0.8
ESE
10
0.8
ESE
10
0.7
ESE
10
0.6
ESE
10
1.5
S
6
1.6
S
6
1.7
S
6
2.2
S
7
2.4
S
8
2.5
S
9
2.4
S
9
2.3
S
9
2.2
S
9
1.7
S
9
1.1
S
8
0.9
SSE
8
0.7
SSE
8
0.5
SSE
7
0.5
SSE
7
0.4
ESE
10
Wave Graph
Metric surfscale
Energy kJ
112
98
100
168
107
107
96
71
134
163
232
493
746
1028
963
822
735
435
177
104
62
31
30
32
Wind (km/h)
10
SSE
10
SE
15
ESE
20
ESE
15
E
10
ESE
20
S
40
SSW
45
SSW
45
SSW
50
SSW
55
SSW
65
SSW
50
SSW
45
SW
50
SSW
50
SW
30
WSW
30
NNW
30
NNW
15
NNW
5
NW
10
E
15
SSE
on
on
on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross
cross
cross-on
cross
cross
cross
cross
cross
cross-off
cross-off
cross-off
cross-off
glassy
cross-on
on
High Tide
5:14PM1.13m
3:49AM1.28m
5:51PM1.12m
4:15AM1.27m
6:29PM1.09m
4:41AM1.26m
Low Tide
10:21PM0.65m
10:54AM-0.05m
10:51PM0.70m
11:25AM-0.04m
11:21PM0.74m
11:57AM-0.01m
part cloud
part cloud
clear
part cloud
cloud
cloud
cloud
clear
part cloud
cloud
cloud
cloud
light rain
cloud
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
cloud
clear
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
4:43
4:41
4:41
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:22
6:23
6:24
6:24
1
Temp °C
21
20
19
19
19
20
21
20
20
19
19
20
21
21
22
21
21
20
16
13
13
15
16
17
19
18
17
16
17
21
19
14
14
12
11
12
12
15
15
12
11
14
9
6
8
12
12
12
Swell 1
Height (m)
Direction
Period (s)
0.8
ESE
9
0.8
ESE
9
0.7
ESE
10
0.9
ESE
10
0.8
ESE
10
0.8
ESE
10
0.7
ESE
10
0.6
ESE
10
0.6
ESE
10
0.5
E
10
0.5
ESE
10
0.5
E
10
0.5
E
10
0.4
ESE
10
0.4
ESE
10
0.3
ESE
10
0.3
ESE
10
1.7
S
9
1.1
S
8
0.9
SSE
8
0.7
SSE
8
0.5
SSE
7
0.5
SSE
7
0.4
SSE
7
Energy kJ
103
98
100
168
107
107
96
71
71
46
51
47
48
31
32
19
20
435
177
104
62
31
30
17
Swell 2
Height (m)
Direction
Period (s)
0.6
S
5
0.5
S
5
0.5
SSE
7
0.2
ENE
11
0.4
SSE
4
0.6
SE
4
0.6
SE
4
0.1
NE
10
0.1
NE
10
0.1
NE
10
0.1
NE
10
0.1
NE
10
0.3
ESE
10
0.6
NE
4
0.4
ESE
10
0.4
NE
6
0.5
N
5
0.3
ESE
10
0.4
ESE
10
Energy kJ
19
12
31
11
6
11
16
4
4
4
4
4
20
16
34
9
11
19
32
Swell 3
Height (m)
Direction
Period (s)
0.2
S
11
0.2
ENE
11
0.1
NE
11
0.4
NNE
4
0.1
NE
10
0.1
NE
10
0.1
NE
10
0.2
N
9
0.1
N
8
0.1
N
8
0.3
ESE
10
0.1
N
10
0.3
ESE
10
0.4
NE
6
0.3
NE
6
0.4
NE
4
Energy kJ
9
12
5
5
4
4
4
6
1
1
21
2
20
13
5
4
Wind waves
Height (m)
Direction
Period (s)
1
S
7
0.2
NNE
3
0.3
NE
4
0.9
SSE
5
1.2
S
5
1.5
S
6
1.6
S
6
1.7
S
6
2.2
S
7
2.4
S
8
2.5
S
9
2.4
S
9
2.3
S
9
2.2
S
9
0.4
NNE
4
0.6
NNE
4
0.5
N
4
0.4
NNE
4
Energy kJ
112
1
2
38
66
134
163
232
493
746
1028
963
822
735
7
16
10
8
Nearest Offshore or Glassy
Rating
(10 max)
1
2
1
1
1
1
1
1
1
4
4
4
3
3
2
1
2
2
3
2
1
1
1
1
Distance (km)
52
56
71
117
115
52
264
1056
1056
877
613
610
610
631
613
627
631
135
76
71
37
37
56
170
Best forecast wave conditions in Chiba
Rating
(10 max)
2
2
3
1
1
2
4
2
1
2
2
Best forecast wave conditions in Japan
Rating
(10 max)
2
2
3
2
1
2
1
1
4
4
4
4
3
3
2
2
2
4
2
3
2
2
1
Header Global
Rating
(10 max)
5
4
4
4
4
4
4
4
4
4
5
4
4
4
4
4
5
5
5
4
5
4
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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