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Surf Forecasts:

Big Ben surfForecast / Chiba / Japan

information circle12 Day Weather and Surf, issued 8 pm Sunday 23 Nov 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
19.6° C
 (Which is 1.3°C colder than average 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 Monday (Nov 24) at 6AM. The primary swell is predicted to be 1.3m and 8s period with a secondary swell of 0.1m and 12s. The wind is predicted to be cross-offshore as the swell arrives.

The most powerful waves expected at Big Ben in the next 12 days are 1.7m 11s and forecast to arrive on Thursday (Nov 27) at 9PM. Winds are predicted to be onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 3.5m 9s period and expected on Wednesday (Nov 26) at 6AM.

Wave TypeTime (JST) & Date Wave Height & Period
Next good surf (1 star+) 6AM (Mon 24th Nov)4.5ft (1.3m) 8s
Best Surf 6PM (Thu 27th Nov)5.5ft (1.7m) 10s
Most Powerful 9PM (Thu 27th Nov)5.5ft (1.7m) 11s

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

Updates in  hr  min  s Forecast update imminent 
12 DaysHourly
Print Table

Short Range Forecast Mostly dry. Very mild (max 17°C on Tue morning, min 12°C on Sun night). Winds increasing (calm on Mon night, strong winds from the NNW by Wed afternoon).

Days 3-6 Weather Summary Light rain (total 5mm), mostly falling on Thu night. Very mild (max 18°C on Fri morning, min 11°C on Fri night). Winds decreasing (fresh winds from the NNW on Wed night, calm by Thu afternoon).

Monday
24
Tuesday
25
Wednesday
26
Thursday
27
Friday
28
Saturday
29
Sun
30
NightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPM
Rating
(10 max)
1
2
1
1
1
0
0
2
0
0
0
2
0
1
1
1
1
0
1
1
0
Swell
Height Map
See all maps
Wave Height (m) & direction (?)
1.3
ESE
0.8
E
0.8
E
1.1
ESE
1
ESE
1
ESE
0.9
ESE
1.9
SW
1.3
SW
0.6
SW
1.2
NE
1.7
ENE
1.4
ENE
1.9
SW
2.3
SW
0.9
ENE
0.8
ENE
0.8
ENE
0.7
ENE
0.7
ENE
0.5
ENE
Period(s) (?)7988888910910101168121111121111
Wave
Graph
(?)Metric surfscale
Energy kJ (?)173104861731311281086192876426953746927858221115713811910968
Wind
(km/h)
5
WNW
5
NNW
5
SE
5
ENE
5
S
15
SW
30
WSW
20
W
35
NNW
30
NNW
20
NE
10
ENE
20
SSE
35
WSW
25
WSW
20
N
15
NNE
10
ENE
10
NNE
10
NNW
25
SW
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
glasscross-
off		glassglassglasscrosscross-
off		cross-
off		offcross-
off		crosscross-
on		cross-
on		cross-
off		cross-
off		cross-
off		cross-
off		crosscross-
off		offcross
High Tide
/ height (m)
7:56AM
1.38
5:34PM
1.46
8:47AM
1.34
6:14PM
1.37
9:43AM
1.31
7:06PM
1.26
10:40AM
1.29
8:30PM
1.14
11:31AM
1.29
10:42PM
1.08
12:14PM
1.31
12:41AM
1.11
12:50PM
1.34
Low Tide
/ height (m)
12:29AM
0.07
12:32PM
1.10
1:11AM
0.15
1:22PM
1.11
1:58AM
0.27
2:35PM
1.09
2:51AM
0.40
4:17PM
1.03
3:56AM
0.53
5:51PM
0.90
5:10AM
0.65
6:53PM
0.73
6:23AM
0.74
Monday
24
Tuesday
25
Wednesday
26
Thursday
27
Friday
28
Saturday
29
Sun
30
Sunrise-6:20--6:22--6:22--6:24--6:24--6:26--6:26-
Sunset--4:29--4:29--4:28--4:28--4:28--4:28--4:27
clear
clear
clear
clear
cloud
clear
clear
clear
clear
clear
part cloud
cloud
rain showers
part cloud
clear
part cloud
part cloud
cloud
part cloud
clear
clear
Rain (mm)
------------5--------
Temp. °C131616141717171717141515161817141414131616
Feels °C (?)1215151314131313951112121211101011101411
  • 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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Latest Updates

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Quiksilver Teams Up With PrimaLoft® For World’s First Thermal Layering System for a Wetsuit.

Feel that? If you are in the northern hemisphere, you will have had that first bite of winter. The lick of a frost, the chill of a cold offshore breeze and the sound of winter swells pounding the shores. If you are near the mountains, your favourite jackets, gloves, and footwear might get dusted off and prepped for battle. And in that beautiful Venn diagram, you will find PrimaLoft. They have spent over 40 years developing innovative insulations that have powered your warmest winter gear. In t

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FREE! Surf-Forecast.com widget for your website

The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our Big Ben surf forecast. Simply grab the html code snippet that we provide and paste it into your own site. You can choose your preferred language and metric/imperial units for the surf forecast feed to suit users of your site. Click here to get the code.

View detailed surf forecast for Big Ben at:
surf-forecast.com

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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