Choshi surfForecast / Chiba / Japan

information circle48hr Weather and Surf, issued 2 pm Thursday 23 Apr 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
17.3° 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 6PM is: 0.5m 10s primary swell from a East direction and 0.8m 6s secondary swell from a Southeast direction (forecast issued at 02:00pm April 23). An open ocean swell of 0.4m 13s is not directed at the surf break. The wind direction is predicted to be cross-onshore.

Time (JST) & DateWave HeightWave Period
Morning (23 Apr)--
Afternoon (23 Apr)1.5ft (0.5m)10s
Evening (23 Apr)1.5ft (0.4m)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 25mm), heaviest during Thu night. Very mild (max 16°C on Sun morning, min 12°C on Thu night). Winds decreasing (strong winds from the NNE on Thu night, light winds from the ESE by Sat night).

Thu
23
Friday
24
Saturday
25
Sun
26
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
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
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)
0.5
E
10
0.5
E
10
0.5
E
10
0.4
ESE
9
0.6
ENE
13
0.4
ESE
9
0.4
ESE
11
0.4
ESE
11
0.5
SSE
8
1.5
ENE
6
1.4
ENE
6
1.4
ENE
7
1.4
ENE
14
1.4
ENE
14
0.7
ENE
14
1.1
ENE
7
1
E
7
1
E
7
1
E
7
0.7
ENE
16
0.9
ENE
15
0.9
ENE
15
0.9
ENE
14
0.9
ENE
14
Wave Graph
Metric surfscale
Energy kJ
49
49
47
29
111
29
40
40
40
193
165
166
789
767
168
114
89
89
103
217
387
372
357
347
Wind (km/h)
15
S
15
SSW
10
S
15
NNE
35
NE
40
NNE
45
NNE
40
NNE
35
NNE
25
NE
25
NE
25
NE
25
NE
25
NE
25
NE
25
ENE
20
ENE
15
ENE
15
E
15
E
10
ESE
10
ESE
10
ESE
10
ESE
cross-on
cross-on
cross-on
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross
cross
cross
cross
cross
cross
cross
cross
cross-on
cross-on
cross-on
cross-on
cross-on
on
on
High Tide
11:30PM0.95m
6:50AM1.10m
00:56AM0.96m
8:13AM0.98m
1:23AM0.98m
Low Tide
2:27PM0.06m
1:20AM0.94m
3:41PM0.19m
4:00AM0.93m
5:10PM0.28m
6:50AM0.79m
light rain
light rain
light rain
mod rain
mod rain
light rain
light rain
cloud
part cloud
cloud
cloud
cloud
cloud
cloud
cloud
part cloud
part cloud
part cloud
cloud
cloud
cloud
cloud
cloud
cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
4:54
4:52
4:50
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:15
6:15
6:16
6:17
1
2
3
6
9
4
1
Temp °C
19
15
14
14
14
13
12
13
13
13
14
14
13
13
12
13
13
13
13
13
13
14
14
15
17
12
13
12
8
6
3
6
6
7
8
8
7
7
5
7
8
9
9
10
10
11
12
12
Swell 1
Height (m)
Direction
Period (s)
0.6
SE
6
0.5
E
10
0.5
E
10
0.6
SE
6
0.4
ESE
9
0.4
ESE
9
0.4
ESE
11
0.4
ESE
11
0.5
SSE
8
0.5
SSE
8
0.5
S
8
0.4
SSE
8
0.4
SSE
8
0.4
SSE
8
0.7
ENE
14
0.7
NE
13
0.7
NE
13
0.7
NE
13
0.7
NE
12
0.7
ENE
16
0.9
ENE
15
0.9
ENE
15
0.9
ENE
14
0.9
ENE
14
Energy kJ
28
49
47
25
29
29
40
40
40
40
37
24
22
21
168
178
175
172
159
217
387
372
357
347
Swell 2
Height (m)
Direction
Period (s)
0.5
E
10
0.4
NE
13
0.4
NE
13
0.4
ESE
9
0.4
SE
6
0.4
SE
5
0.4
SE
5
0.3
SSE
8
0.3
ESE
11
0.5
NE
15
0.6
NE
15
0.8
NE
15
0.7
S
8
0.7
S
8
0.4
SSE
8
0.3
SSE
8
0.3
SSE
7
0.4
NE
17
0.4
ENE
16
0.6
ENE
12
0.9
E
6
0.8
E
6
0.8
E
6
0.7
E
5
Energy kJ
49
44
44
29
11
7
7
13
25
110
183
262
66
63
19
11
10
71
103
94
67
45
39
28
Swell 3
Height (m)
Direction
Period (s)
0.4
NE
13
0.3
SE
13
0.3
SE
12
0.3
NE
13
0.3
SE
12
0.3
SE
12
0.3
SE
12
0.4
E
9
0.4
E
9
0.4
E
9
0.2
ESE
12
0.2
ESE
12
0.2
ESE
12
0.2
ESE
12
0.2
ESE
12
0.2
ESE
12
0.1
SE
11
0.3
SSE
7
0.2
SSE
7
0.4
S
7
0.1
E
13
0.1
SE
13
0.1
SE
13
0.1
SE
11
Energy kJ
45
26
24
27
23
22
22
26
26
23
14
14
14
14
14
14
5
10
5
15
3
7
7
5
Wind waves
Height (m)
Direction
Period (s)
0.6
SE
6
0.8
SE
6
0.5
E
6
0.6
ENE
13
1.3
NNE
4
1.9
NE
6
1.8
NE
7
1.7
NE
7
1.5
ENE
6
1.4
ENE
6
1.4
ENE
7
1.4
ENE
14
1.4
ENE
14
1.2
ENE
7
1.1
ENE
7
1
E
7
1
E
7
1
E
7
0.9
E
7
0.7
SE
6
Energy kJ
27
38
20
111
62
252
299
246
193
165
166
789
767
121
114
89
89
86
71
31
Nearest Offshore or Glassy
Rating
(10 max)
1
1
1
1
3
1
1
1
1
1
1
1
1
1
1
2
1
1
2
2
1
1
1
2
Distance (km)
55
56
56
37
350
257
159
128
117
170
159
117
117
266
610
266
123
170
916
56
117
117
266
56
Best forecast wave conditions in Chiba
Rating
(10 max)
1
1
1
1
2
2
2
1
2
1
1
2
Best forecast wave conditions in Japan
Rating
(10 max)
3
3
3
3
3
2
2
2
2
2
1
2
2
2
3
3
3
3
4
4
4
4
4
4
Header Global
Rating
(10 max)
6
6
5
5
5
5
5
5
5
5
6
5
5
5
4
5
5
4
4
5
4
4
5
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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