Big Ben surfForecast / Chiba / Japan

information circle16 Day Weather and Surf, issued 2 pm Monday 01 Jun 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
22.7° C
(Which is slightly warmer than usual)

Big Ben surf forecast from 1 Jun 2026:

  • Best quality surf: Wednesday 3 Jun, 3PM (local time) - 31ft (9.5m), 13s period, SSW swell with glassy winds.
  • Most powerful swell: Wednesday 3 Jun, 3PM (local time) - 31ft (9.5m), 13s period, SSW swell with 30,860 kJ wave energy.
  • Next surfable swell (1★+): Wednesday 3 Jun, 3PM (local time) - 31ft (9.5m), 13s period with SSW swell.

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 Wednesday (Jun 03) at 3PM. The primary swell is predicted to be 9.5m and 13s period with a secondary swell of 8.0m and 13s. The wind is predicted to be glassy as the swell arrives.

The most powerful waves expected at Big Ben in the next 16 days are 9.5m 13s and forecast to arrive on Wednesday (Jun 03) at 3PM. Winds are predicted to be glassy at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.4m 17s period and expected on Wednesday (Jun 03) at 12PM.

Wave TypeTime (JST) & Date Wave Height & Period
Next good surf (1 star+) 3PM (Wed 3rd Jun)31ft (9.5m) 13s
Best Surf 3PM (Wed 3rd Jun)31ft (9.5m) 13s
Most Powerful 3PM (Wed 3rd Jun)31ft (9.5m) 13s

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


Updates in  hr  min  s Forecast update imminent

Short Range Forecast

Heavy rain (total 137mm), heaviest during Wed morning. Warm (max 23°C on Mon afternoon, min 17°C on Wed night). Mainly near gales.

Days 5-7 Weather Summary

Mostly dry. Warm (max 21°C on Thu afternoon, min 14°C on Fri night). Mainly fresh winds.

Mon
1
Tuesday
2
Wednesday
3
Thursday
4
Friday
5
Saturday
6
Sunday
7
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
Rating
(10 max)
0
1
0
0
0
0
!
1
1
2
!
!
2
!
!
!
4
4
2
4
2
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
0.7
SSW
15
1
SSW
13
1.1
SSW
13
1.3
SSW
13
0.9
SSW
12
4.5
SE
8
9.5
SSW
13
2.3
SW
12
1.5
SE
9
2.5
NE
11
3.5
NE
12
4
NE
12
2.5
ENE
12
4
NE
13
4
NE
12
3
ENE
12
2.4
ENE
12
2.1
ENE
12
1.9
ENE
11
2.1
ENE
10
1.8
ENE
10
Wave Graph
Metric surfscale
Energy kJ
196
372
361
586
260
2599
30860
1655
328
1552
3612
4117
2200
5381
4420
2279
1622
1102
885
937
625
Wind (km/h)
25
SW
20
SSW
20
SSW
20
S
20
SSE
55
ESE
5
WNW
35
NNW
25
N
25
N
25
N
25
NNE
30
NNE
30
NNE
25
NNE
25
NE
15
NNE
15
NNE
10
E
15
NE
25
NNE
cross
cross
cross-on
cross-on
on
on
glassy
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross
cross-off
cross-off
cross-on
cross-off
cross-off
High Tide
6:15PM1.39m
4:15AM1.47m
6:57PM1.38m
4:50AM1.45m
7:39PM1.35m
5:28AM1.40m
8:22PM1.31m
6:11AM1.32m
9:06PM1.28m
7:03AM1.23m
9:52PM1.26m
8:15AM1.12m
10:37PM1.25m
9:58AM1.04m
Low Tide
11:06PM0.97m
11:37AM-0.07m
11:43PM0.99m
12:16PM-0.03m
00:25AM1.00m
12:56PM0.06m
1:13AM1.00m
1:39PM0.17m
2:13AM0.97m
2:25PM0.31m
3:29AM0.91m
3:18PM0.46m
4:54AM0.81m
clear
part cloud
cloud
cloud
heavy rain
heavy rain
heavy rain
part cloud
part cloud
cloud
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
cloud
cloud
cloud
light rain
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
4:26
4:26
4:24
4:24
4:24
4:24
4:24
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:46
6:47
6:49
6:49
6:50
6:50
6:51
6:51
31
76
30
1
Temp °C
23
21
22
22
19
23
21
20
23
21
18
19
21
15
18
19
16
20
21
18
19
21
21
21
21
18
19
24
16
19
17
14
15
16
10
14
15
13
19
21
18
17
Swell 1
Height (m)
Direction
Period (s)
0.7
S
10
1
SSW
13
1.1
SSW
13
1.3
SSW
13
0.9
SSW
12
0.9
SW
15
8
SSW
13
2.3
SW
12
1.5
SE
9
1.3
NE
11
2.4
NE
12
2.5
NE
12
0.4
SW
7
3
ENE
13
3
ENE
12
0.2
S
11
2.4
ENE
12
2.1
ENE
12
1.9
ENE
11
1.8
ENE
11
0.1
SE
10
Energy kJ
108
372
361
586
260
380
19665
1655
328
437
1573
1829
14
2940
2672
9
1622
1102
885
716
4
Swell 2
Height (m)
Direction
Period (s)
0.7
E
10
0.7
E
10
0.7
SW
15
0.6
E
9
0.6
E
9
0.5
SW
18
1.8
SE
10
1.1
SW
10
1.1
SE
9
0.7
SSW
8
0.4
SSW
8
0.1
SE
12
0.2
S
11
0.2
S
10
0.2
S
10
0.2
SSW
7
0.1
SW
7
Energy kJ
90
89
226
61
60
157
627
235
164
59
23
6
9
8
8
5
2
Swell 3
Height (m)
Direction
Period (s)
0.7
SSW
15
0.5
SW
17
0.7
E
10
0.3
SE
11
0.4
SW
16
1.3
S
9
0.7
S
9
0.7
SW
10
0.6
SE
9
0.1
SW
9
Energy kJ
196
140
87
20
96
293
78
88
61
3
Wind waves
Height (m)
Direction
Period (s)
0.7
SW
4
0.5
SW
4
0.5
SSW
4
0.8
S
4
1.1
SSE
5
4.5
SE
8
9.5
SSW
13
0.5
NW
3
0.5
NNW
3
2.5
NE
11
3.5
NE
12
4
NE
12
2.5
ENE
12
4
NE
13
4
NE
12
3
ENE
12
2.1
ENE
10
1.8
ENE
10
Energy kJ
15
6
7
21
69
2599
30860
5
5
1552
3612
4117
2200
5381
4420
2279
937
625
Nearest Offshore or Glassy
Rating
(10 max)
4
2
2
2
2
4
3
4
1
1
1
1
1
1
1
1
4
4
3
4
1
Distance (km)
923
81
30
30
30
548
552
57
48
55
184
177
183
183
184
29
0
0
22
0
513
Best forecast wave conditions in Chiba
Rating
(10 max)
2
2
2
1
4
4
3
4
Best forecast wave conditions in Japan
Rating
(10 max)
4
4
4
2
9
5
4
4
3
2
1
1
1
1
1
2
4
4
3
4
2
Header Global
Rating
(10 max)
4
4
5
5
4
5
5
5
5
4
9
5
5
9
8
9
7
9
8
9
7
  • 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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