Choshi surfForecast / Chiba / Japan

information circle48hr Weather and Surf, issued 8 am 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 normal for this time of year)

How big are the waves at Choshi today?

The current surf forecast for Choshi at 4PM is: 2.1m 9s primary swell from a East-northeast direction and 0.3m 7s secondary swell from a South direction, 1.6m 9s secondary swell from a East direction (forecast issued at 08:00am May 23). The wind direction is predicted to be cross-shore.

Time (JST) & DateWave HeightWave Period
Morning (23 May)6.5ft (2.0m)9s
Afternoon (23 May)7ft (2.2m)9s
Evening (23 May)4.5ft (1.4m)9s

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


Updates in  hr  min  s Forecast update imminent

Short Range Forecast

Mostly dry. Warm (max 21°C on Mon morning, min 14°C on Sat morning). Winds decreasing (fresh winds from the NE on Sat morning, calm by Mon night).

Saturday
23
Sunday
24
Monday
25
Tue
26
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)
1
1
1
2
2
0
0
0
0
0
0
0
0
0
0
1
1
1
0
0
0
1
1
2
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)
2.2
ENE
9
2
ENE
9
1.9
ENE
9
2.2
ENE
9
2
ENE
9
1.4
E
9
1.4
E
9
1.3
E
9
1.3
E
9
1.5
E
9
1.6
ENE
9
1.4
ESE
9
1.3
ESE
9
1.1
E
9
1.1
E
9
1.1
E
11
1.1
E
11
1.1
E
11
1.1
E
11
1.1
E
10
1.1
E
10
1
E
10
1
E
10
1
E
10
Wave Graph
Metric surfscale
Energy kJ
770
659
579
770
659
325
320
276
274
388
391
333
289
198
198
269
274
279
274
264
259
210
214
218
Wind (km/h)
30
NNE
30
NE
25
NE
20
NE
20
NE
15
ENE
15
E
15
ESE
15
SE
20
SE
20
SE
20
SE
15
SE
15
SE
15
SE
10
ESE
5
E
10
ESE
10
ESE
15
SE
15
SSE
10
SSE
5
SSW
0
WSW
cross-off
cross-off
cross
cross
cross
cross
cross-on
on
on
on
on
on
on
on
on
on
cross-on
cross-on
on
on
on
on
cross-on
glassy
High Tide
7:26AM1.07m
10:48PM1.00m
9:02AM0.96m
11:30PM1.02m
11:17AM0.90m
00:05AM1.05m
Low Tide
3:13PM0.26m
4:03AM0.79m
4:16PM0.40m
5:46AM0.66m
5:20PM0.52m
cloud
cloud
cloud
cloud
cloud
cloud
cloud
part cloud
part cloud
cloud
part cloud
part cloud
cloud
cloud
clear
part cloud
clear
clear
clear
part cloud
part cloud
clear
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
4:26
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
Temp °C
14
14
15
16
17
18
19
19
19
19
19
20
19
19
20
20
20
20
21
21
21
20
20
20
8
8
10
12
13
15
17
17
16
16
16
18
17
18
19
20
21
20
20
20
20
20
21
22
Swell 1
Height (m)
Direction
Period (s)
0.3
SSW
7
0.3
S
7
0.3
S
7
2.2
ENE
9
2
ENE
9
1.4
E
9
1.4
E
9
1.3
E
9
1.3
E
9
1.5
E
9
1.6
ENE
9
1.4
ESE
9
1.3
ESE
9
1.1
E
9
1.1
E
9
1.1
E
11
1.1
E
11
1.1
E
11
1.1
E
11
1.1
E
10
1.1
E
10
1
E
10
1
E
10
1
E
10
Energy kJ
11
9
8
770
659
325
320
276
274
388
391
333
289
198
198
269
274
279
274
264
259
210
214
218
Swell 2
Height (m)
Direction
Period (s)
0.3
S
7
0.2
S
7
0.3
SSE
7
0.3
S
6
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
0.9
SE
7
0.9
SE
7
0.9
SE
7
1
SE
7
0.9
SE
7
0.9
SE
8
0.9
SE
8
0.9
SE
8
0.9
SE
8
0.9
SE
8
Energy kJ
8
4
9
7
4
4
14
10
10
12
11
77
79
84
102
91
94
99
101
88
88
Swell 3
Height (m)
Direction
Period (s)
0.2
SSE
8
0.3
NE
10
0.3
S
6
0.1
E
16
0.2
ESE
11
0.2
ESE
11
0.2
ESE
11
0.2
ESE
11
0.2
ESE
11
0.1
SE
11
0.1
S
9
0.2
SSW
8
0.1
S
7
Energy kJ
6
16
7
5
12
12
12
12
11
5
2
6
1
Wind waves
Height (m)
Direction
Period (s)
2.2
ENE
9
2
ENE
9
1.9
ENE
9
1.7
E
9
1.6
E
9
0.7
SE
6
1.4
E
9
1.4
ESE
9
0.9
SSE
6
0.9
SSE
6
0.8
SE
6
Energy kJ
770
659
579
495
431
33
332
340
59
65
47
Nearest Offshore or Glassy
Rating
(10 max)
1
1
1
1
1
3
2
2
2
2
1
1
2
2
2
2
2
2
2
2
2
2
2
2
Distance (km)
877
1007
117
117
117
674
62
56
56
266
117
117
56
56
56
71
37
71
56
56
56
56
37
0
Best forecast wave conditions in Chiba
Rating
(10 max)
1
1
1
2
3
3
1
1
2
2
2
2
3
2
2
2
2
2
3
3
Best forecast wave conditions in Japan
Rating
(10 max)
1
1
1
1
1
3
3
3
3
2
1
2
3
3
4
3
3
2
3
2
2
2
3
3
Header Global
Rating
(10 max)
8
5
5
6
7
8
7
6
5
5
5
5
5
5
5
5
5
5
5
5
5
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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