Big Ben surfForecast / Chiba / Japan

information circle12 Day Weather and Surf, issued 8 am Wednesday 02 Jul 2025 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
23.9° 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 12 days: The first swell (rated 1 star or higher) is forecast to arrive on Friday (Jul 04) at 3AM. The primary swell is predicted to be 1.0m and 10s period. The wind is predicted to be glassy as the swell arrives.

The most powerful waves expected at Big Ben in the next 12 days are 1.3m 15s and forecast to arrive on Wednesday (Jul 09) at 12AM. Winds are predicted to be onshore at the time the swell arrives.

Wave TypeTime (JST) & Date Wave Height & Period
Next good surf (1 star+) 3AM (Fri 4th Jul)3.5ft (1.0m) 10s
Best Surf 9AM (Mon 7th Jul)4.5ft (1.3m) 9s
Most Powerful12AM (Wed 9th Jul)4.5ft (1.3m) 15s

Table - best surf conditions forecast for Big Ben over the next 12 days.

Updates in  hr  min  s Forecast update imminent
Wednesday
02
Thursday
03
Friday
04
Saturday
05
Sunday
06
Monday
07
Tuesday
08
Wednesday
09
Thursday
10
Friday
11
Saturday
12
Sunday
13
AMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNight
Rating
(10 max)
0
0
0
0
0
0
0
0
0
0
0
0
Swell
Height Map
Wave Height (m) & direction (?)
0.6
ESE
0.7
ESE
0.6
SE
0.8
ESE
0.8
ESE
0.7
SE
1.3
SE
1.5
SE
1.6
SE
1.5
SE
1.5
SE
1.3
ESE
1.3
ESE
1.3
ESE
1.3
ESE
1.3
ESE
1.5
ESE
1.1
SW
1.1
SW
1.2
SW
1.3
SW
1.3
SW
1.3
SW
1.1
SW
1.1
SW
1
SW
0.9
SW
1.2
ESE
0.7
SW
1.4
ESE
1.5
ESE
1.5
ESE
1.7
ESE
1.5
SE
1.3
SE
1.1
SE
Period(s) (?)11101010109109109989999101514141514141414131391211101011101010
Wave
Graph
(?)Metric surfscale
Energy (?)137172157187182155303399459397385260328300321530725966911834844816823647678602614430296615546551650595519399
Wind
(km/h)
15
SW
20
SW
10
SSW
10
S
15
S
5
S
5
S
10
S
10
SW
5
S
15
S
5
S
5
E
10
SSE
10
NE
15
NE
10
S
15
SSW
10
SSE
15
SE
15
SE
10
ENE
10
NE
10
E
5
NE
15
S
10
SSW
15
SSW
15
S
5
SSE
5
ESE
15
E
20
NE
25
NE
25
NE
20
SE
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
crosscrosscrosscross-
on
cross-
on
cross-
on
glasscross-
on
crosscross-
on
cross-
on
glassglassoncross-
off
cross-
off
cross-
on
cross-
on
onononcrosscross-
off
cross-
on
glasscross-
on
cross-
on
cross-
on
cross-
on
cross-
on
cross-
on
cross-
on
crosscrosscrosson
High Tide
/ height (m)
9:35PM
1.33
9:37AM
1.10
10:12PM
1.32
11:29AM
1.05
10:53PM
1.32
1:37PM
1.09
11:40PM
1.33
3:10PM
1.19
12:32AM
1.36
4:08PM
1.29
1:26AM
1.39
4:50PM
1.37
2:17AM
1.43
5:25PM
1.43
3:06AM
1.47
5:57PM
1.46
3:52AM
1.50
6:26PM
1.47
4:36AM
1.51
6:55PM
1.47
5:20AM
1.49
7:22PM
1.45
Low Tide
/ height (m)
2:44PM
0.52
4:01AM
0.73
3:28PM
0.69
5:13AM
0.63
4:22PM
0.85
6:26AM
0.51
5:37PM
0.98
7:30AM
0.38
7:08PM
1.07
8:24AM
0.25
8:26PM
1.11
9:11AM
0.14
9:24PM
1.11
9:54AM
0.05
10:11PM
1.09
10:34AM
0.00
10:50PM
1.05
11:12AM
-0.01
11:28PM
1.00
11:49AM
0.02
12:05AM
0.93
12:24PM
0.09
12:42AM
0.87
Wednesday
02
Thursday
03
Friday
04
Saturday
05
Sunday
06
Monday
07
Tuesday
08
Wednesday
09
Thursday
10
Friday
11
Saturday
12
Sunday
13
Sunrise4:28--4:28--4:28--4:30--4:30--4:31--4:31--4:31--4:31--4:33--4:33--4:33--
Sunset-6:57--6:57--6:57--6:57--6:57--6:57--6:55--6:55--6:55--6:55--6:54--6:54-
thunderstorm thunderstorm thunderstorm clearclearclearclearclearpart cloudclearclearclearclearclearclearclearcloudpart cloudpart cloudpart cloudrain showersthunderstorm light rainpart cloudthunderstorm thunderstorm part cloudpart cloudpart cloudpart cloudpart cloudpart cloudcloudpart cloudpart cloudrain showers
Rain (mm)
212-----------------331-11---------6
Temp. °C272724272724282725292825292825292826282725262425282926292926292825272826
Feels °C (?)292927282827302829323129323129313129313029302729333330323231333127282929

Short Range Forecast: Light rain (total 5mm), mostly falling on Wed morning. Warm (max 28°C on Fri morning, min 23°C on Thu night). Wind will be generally light.

Days 3-6 Weather Summary Mostly dry. Warm (max 29°C on Sat morning, min 24°C on Sun night). Wind will be generally light.

Days 6-9 Weather Summary Light rain (total 9mm), mostly falling on Tue night. Warm (max 29°C on Thu afternoon, min 23°C on Tue night). Wind will be generally light.

Long Range Forecast: Light rain (total 7mm), mostly falling on Sun night. Warm (max 29°C on Fri morning, min 23°C on Sat night). Wind will be generally light.

  • 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 12 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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