Big Ben surfForecast / Chiba / Japan

information circle16 Day Weather and Surf, issued 8 am Wednesday 27 May 2026 JST
Forecast update in hr  min  s Forecast update imminent
Big Ben surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Big Ben sea temperature is
21.1° C
(Which is normal for this time of year)

Best Forecast Surf Conditions for Big Ben this week:

The surf forecast for Big Ben over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Friday (May 29) at 6AM. The primary swell is predicted to be 1.7m and 7s period with a secondary swell of 1.1m and 9s. Another secondary swell of 0.4m and 12s is also forecast. The wind is predicted to be cross-offshore as the swell arrives.

The most powerful waves expected at Big Ben in the next 16 days are 1.8m 14s and forecast to arrive on Wednesday (Jun 03) at 6AM. Winds are predicted to be cross-shore at the time the swell arrives.

Wave TypeTime (JST) & Date Wave Height & Period
Next good surf (1 star+) 6AM (Fri 29th May)5.5ft (1.7m) 7s
Best Surf 6AM (Fri 29th May)5.5ft (1.7m) 7s
Most Powerful 6AM (Wed 3rd Jun)6ft (1.8m) 14s

Table - best surf conditions forecast for Big Ben over the next 16 days.


Updates in  hr  min  s Forecast update imminent

Short Range Forecast

Some drizzle, heaviest during Fri afternoon. Warm (max 25°C on Fri morning, min 20°C on Wed night). Wind will be generally light.

Days 4-6 Weather Summary

Mostly dry. Warm (max 26°C on Mon morning, min 20°C on Sat night). Wind will be generally light.

Wednesday
27
Thursday
28
Friday
29
Saturday
30
Sunday
31
Monday
1
Tuesday
2
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
Rating
(10 max)
1
1
0
0
1
1
3
0
1
1
0
1
2
1
3
3
2
3
1
0
2
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
1.4
ESE
8
1.4
ESE
8
1.1
ESE
8
1.3
ESE
8
1.3
ESE
8
1.3
E
9
1.9
SW
7
1
ESE
9
0.9
ESE
10
0.9
E
11
0.9
ESE
11
0.9
E
10
0.9
E
10
0.8
S
12
0.9
S
12
0.9
SSW
14
1.3
S
13
1.5
SSW
14
1.4
SSW
14
1.5
SSW
14
1.7
SSW
15
Wave Graph
Metric surfscale
Energy kJ
264
277
171
243
211
287
352
189
150
188
187
171
159
196
235
351
600
911
693
854
1220
Wind (km/h)
10
NE
10
SSE
20
SW
15
SE
10
S
15
WSW
5
W
15
E
10
ESE
10
SE
15
SSE
5
S
0
ENE
10
S
5
NW
5
ENE
10
SE
10
SW
10
SSW
20
SSW
20
SW
cross
on
cross
on
cross-on
cross-off
glassy
cross-on
cross-on
on
on
cross-on
glassy
cross-on
glassy
glassy
on
cross
cross-on
cross-on
cross
High Tide
2:21PM1.16m
1:38AM1.32m
3:17PM1.25m
2:08AM1.36m
4:06PM1.32m
2:39AM1.40m
4:51PM1.37m
3:10AM1.44m
5:33PM1.39m
3:42AM1.46m
6:15PM1.39m
4:15AM1.47m
6:57PM1.38m
Low Tide
7:44PM0.74m
8:32AM0.29m
8:33PM0.79m
9:09AM0.15m
9:15PM0.85m
9:46AM0.03m
9:53PM0.90m
10:22AM-0.04m
10:30PM0.94m
10:59AM-0.08m
11:06PM0.97m
11:37AM-0.07m
11:43PM0.99m
part cloud
part cloud
part cloud
cloud
cloud
part cloud
part cloud
rain showers
clear
clear
clear
part cloud
part cloud
cloud
clear
clear
clear
clear
clear
part cloud
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
4:28
4:28
4:26
4:26
4:26
4:26
4:26
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:44
6:45
6:45
6:45
6:46
6:46
6:47
1
Temp °C
24
24
21
22
23
22
25
23
21
24
24
21
25
25
22
26
26
22
24
24
20
25
26
23
24
26
25
28
24
22
23
24
23
26
26
24
25
26
23
24
23
20
Swell 1
Height (m)
Direction
Period (s)
1.4
ESE
8
1.4
ESE
8
1.1
ESE
8
0.4
ENE
10
1.3
ESE
8
1.3
E
9
1.5
SSW
7
1.2
SSW
7
0.9
ESE
10
0.9
E
11
0.9
ESE
11
0.9
E
10
0.9
E
10
0.9
E
10
0.9
S
12
0.9
SSW
14
1.3
S
13
1.5
SSW
14
1.4
SSW
14
1.5
SSW
14
1.7
SSW
15
Energy kJ
264
277
171
42
211
287
215
144
150
188
187
171
159
159
235
351
600
911
693
854
1220
Swell 2
Height (m)
Direction
Period (s)
0.5
ENE
10
0.4
ENE
10
0.4
ENE
10
0.2
ESE
13
0.4
ENE
10
0.1
S
16
1
ESE
9
1
ESE
9
0.9
SW
7
0.5
S
6
0.4
SW
7
0.9
SE
6
0.6
SSE
6
0.8
S
12
0.9
E
10
0.7
E
10
0.7
E
10
0.7
E
10
0.6
E
9
0.6
E
9
0.6
E
9
Energy kJ
52
42
42
17
42
5
177
189
79
19
12
52
22
196
161
92
92
87
62
61
60
Swell 3
Height (m)
Direction
Period (s)
0.2
ESE
14
0.2
ESE
14
0.2
ESE
13
0.3
ESE
13
0.1
S
16
0.4
NE
12
0.4
NE
12
0.2
ENE
11
0.4
SW
7
0.2
ENE
11
0.3
SW
7
0.5
S
13
0.4
SSE
6
0.6
SSW
15
0.7
S
10
0.7
SSW
16
0.3
SE
11
0.3
SE
12
0.3
SE
12
0.3
SE
11
Energy kJ
19
19
18
31
5
35
35
12
14
11
7
83
13
174
98
240
19
21
21
20
Wind waves
Height (m)
Direction
Period (s)
0.6
SSW
4
1.3
ESE
8
0.6
S
5
1.3
SSW
7
1.9
SW
7
1.1
ESE
5
0.9
ESE
6
1
SE
6
Energy kJ
10
243
17
167
352
69
54
71
Nearest Offshore or Glassy
Rating
(10 max)
2
2
1
2
2
3
3
1
1
2
2
1
2
2
3
3
3
3
3
3
2
Distance (km)
6
30
184
30
30
35
0
29
29
30
30
30
0
30
0
0
30
30
30
30
81
Best forecast wave conditions in Chiba
Rating
(10 max)
2
2
2
2
3
3
3
1
2
2
1
2
2
3
3
3
3
3
3
Best forecast wave conditions in Japan
Rating
(10 max)
2
2
3
2
2
3
3
3
1
2
2
1
3
3
4
4
4
4
4
4
4
Header Global
Rating
(10 max)
7
7
6
7
9
9
6
5
5
5
5
7
6
5
4
4
4
4
7
7
4
  • Map Icons:
  • Break
  • Live Wave Height (m)
  • Live Wind Speed (km/h)
  • Surf Rating (10 Max)
  • Ocean Swells (m)
  • Wind Speed (km/h)
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Information about the Big Ben Surf forecast

The above surf forecast table for Big Ben provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Big Ben can be found by selecting the local surf guide option on the grey menu. Our Big Ben surf forecast is unique since it includes wave energy (power) that defines the real feel of the surf rather than just the height or the period. If you surf the same spot (Big Ben) regularly then make a mental note of the wave energy from the surf forecast table each time you go. Very soon you may start to choose your surf days based on the wave energy alone combined with our forecast of favourable offshore wind conditions. Our star ratings will help here and of course you will also find the usual wave height and period predictions on our surf forecasts as well as a full break down of the swell components under our advanced users option (to reveal that, click the little Einstein character under the tide times).

Further information to help with frequently asked questions about our surf forecast for Big Ben may be found under the help tab on the top menu and also by moving your mouse over the question marks on the surf forecast table itself. Please always bear in mind that the forecast is for near-shore open water and local factors at each surf break influence the actual breaking wave height, such as the beach / reef profile, water depths offshore and shelter.

Big Ben is 3 km (2 miles) from Kawaguchi. If you plan a holiday in Chiba, look for hotels and other accommodation in Kawaguchi. Kawaguchi has rooms for a wide range of budgets as well as car hire and transport links.

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