Choshi surfForecast / Chiba / Japan

information circle48hr Weather and Surf, issued 8 pm Saturday 23 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
20.2° C
(Which is slightly cooler than normal)

How big are the waves at Choshi today?

The current surf forecast for Choshi at 3AM is: 1.4m 9s primary swell from a East direction (forecast issued at 08:00pm May 23). An open ocean swell of 0.1m 10s is not directed at the surf break. The wind direction is predicted to be onshore.

Time (JST) & DateWave HeightWave Period
Morning (24 May)4.5ft (1.4m)9s
Afternoon (24 May)5ft (1.6m)9s
Evening (24 May)5ft (1.6m)7s

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 morning. Warm (max 21°C on Mon afternoon, min 18°C on Sat night). Wind will be generally light.

Sat
23
Sunday
24
Monday
25
Tuesday
26
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)
0
0
0
0
0
0
0
0
0
0
1
1
1
1
0
0
0
0
1
1
1
0
0
1
Swell
Height Map
Height MapHeight Map
Height MapHeight MapHeight Map
Height MapHeight MapHeight Map
Height MapHeight MapHeight Map
Wave
Height (m)
Direction
Period (s)
1.6
E
9
1.5
E
9
1.4
E
9
1.4
E
9
1.4
E
9
1.4
E
9
1.6
ENE
9
1.6
ENE
9
1.6
ESE
9
1.6
ESE
7
1.2
E
9
1.1
E
9
1.1
E
9
1.2
E
11
1.1
E
10
1.1
E
10
1.1
E
10
1.1
E
10
1.1
E
10
1.1
E
10
1
E
10
1
E
10
1
E
10
0.9
E
10
Wave Graph
Metric surfscale
Energy kJ
430
372
320
318
320
327
391
391
374
233
229
202
211
326
270
255
260
254
254
259
210
202
202
161
Wind (km/h)
20
ENE
15
ENE
10
E
20
SE
15
SE
20
SE
20
SE
20
SE
20
SE
20
SE
15
SE
10
ESE
10
ENE
15
ENE
15
ENE
15
E
15
ESE
10
ESE
5
ENE
10
NE
10
ENE
15
E
10
E
10
ESE
cross
cross-on
cross-on
on
on
on
on
on
on
on
on
cross-on
cross
cross
cross-on
cross-on
cross-on
cross-on
cross-on
cross
cross
cross-on
cross-on
cross-on
High Tide
10:48PM1.00m
9:02AM0.96m
11:30PM1.02m
11:17AM0.90m
00:05AM1.05m
1:04PM0.93m
Low Tide
3:13PM0.26m
4:03AM0.79m
4:16PM0.40m
5:46AM0.66m
5:20PM0.52m
6:53AM0.51m
cloud
cloud
cloud
part cloud
part cloud
light rain
part cloud
clear
cloud
part cloud
part cloud
clear
clear
clear
clear
clear
clear
part cloud
part cloud
part cloud
cloud
part cloud
part cloud
cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
4:26
4:24
4:24
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:39
6:40
6:40
6:42
1
Temp °C
17
18
19
19
19
19
20
20
19
20
20
20
20
20
20
21
21
21
20
20
19
20
21
21
13
15
17
16
16
16
17
18
17
19
19
20
20
19
19
21
21
21
21
21
19
19
20
21
Swell 1
Height (m)
Direction
Period (s)
1.6
E
9
1.5
E
9
1.4
E
9
1.4
E
9
1.4
E
9
1.4
E
9
1.6
ENE
9
1.6
ENE
9
1.5
ENE
9
1.6
ESE
7
1.2
E
9
1.1
E
9
1.1
E
9
1.2
E
11
1.1
E
10
1.1
E
10
1.1
E
10
1.1
E
10
1.1
E
10
1.1
E
10
1
E
10
1
E
10
1
E
10
0.9
E
10
Energy kJ
430
372
320
318
320
327
391
391
344
233
215
202
211
326
270
255
260
254
254
259
210
202
202
161
Swell 2
Height (m)
Direction
Period (s)
0.2
S
7
0.3
NE
10
0.1
NE
10
0.1
NE
10
0.3
NE
10
0.2
ESE
10
0.2
ESE
10
0.2
ESE
11
0.2
ESE
11
1.1
SE
7
1
SE
7
1
SE
7
1
SE
8
1
SE
8
1
SE
8
1
SE
8
0.9
ESE
8
0.9
ESE
8
0.9
ESE
8
0.9
ESE
8
0.8
ESE
8
0.8
ESE
8
0.8
ESE
8
Energy kJ
4
16
4
4
14
10
10
12
11
105
105
105
108
113
116
122
112
112
114
109
80
80
82
Swell 3
Height (m)
Direction
Period (s)
0.1
NE
10
0.1
E
16
0.2
ESE
11
0.2
ESE
11
0.2
ESE
11
0.2
ESE
11
0.1
SE
16
0.1
S
10
0.2
SSW
9
0.2
S
8
0.2
S
8
0.2
S
8
0.2
S
7
0.2
S
7
0.2
S
7
0.2
S
7
Energy kJ
4
5
12
12
11
12
10
2
7
5
5
4
4
4
4
4
Wind waves
Height (m)
Direction
Period (s)
0.8
SE
5
0.8
SSE
6
1.4
E
9
1.4
ESE
9
1.6
ESE
9
1.4
SE
7
1.5
SE
7
Energy kJ
35
39
325
333
374
189
229
Nearest Offshore or Glassy
Rating
(10 max)
4
2
3
2
2
2
2
2
2
2
1
3
3
1
1
2
3
1
3
2
2
2
2
2
Distance (km)
674
117
674
56
56
56
115
117
117
56
117
71
71
117
115
112
56
117
71
71
71
125
112
112
Best forecast wave conditions in Chiba
Rating
(10 max)
2
2
2
4
2
2
2
2
2
3
3
2
2
2
3
4
3
3
3
2
2
2
Best forecast wave conditions in Japan
Rating
(10 max)
4
4
3
3
2
4
2
3
3
4
4
3
3
2
2
2
3
4
3
3
3
2
2
2
Header Global
Rating
(10 max)
7
8
7
6
5
5
5
5
5
5
5
5
5
5
4
5
5
5
4
5
4
5
5
7
  • 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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