Big Ben Surf Break

Lat Long: 35.12° N 140.12° E

Big Ben Surf Forecast and Surf Report

Issued: 2 pm 13 Jul 2026 (local time)

Forecast update in  hr  min

Today's Big Ben sea temperature is
24.9° C
0.2° 

Big Ben surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.


Big Ben surf forecast from 13 Jul 2026:

  • Best quality surf: Tuesday 14 Jul, 6AM (local time) - 2.5ft (0.7m), 11s period, SSW swell with glassy winds.
  • Most powerful swell: Monday 13 Jul, 9PM (local time) - 4ft (1.2m), 12s period, SSW swell with 378 kJ wave energy.
  • Next surfable swell (1★+): Tuesday 14 Jul, 6AM (local time) - 2.5ft (0.7m), 11s 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 Tuesday (Jul 14) at 6AM. The primary swell is predicted to be 0.7m and 11s period with a secondary swell of 0.6m and 12s. 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 1.2m 12s and forecast to arrive on Monday (Jul 13) at 9PM. Winds are predicted to be cross-shore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.4m 8s period and expected on Friday (Jul 17) at 6AM.

Wave TypeTime (JST) & Date Wave Height & Period
Next good surf (1 star+) 6AM (Tue 14th Jul)2.5ft (0.7m) 11s
Best Surf 6AM (Tue 14th Jul)2.5ft (0.7m) 11s
Most Powerful 9PM (Mon 13th Jul)4ft (1.2m) 12s

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


Alright crew, Rusty here, looking at the next 16 days for Big Ben. It’s a long window, and there’s a fair bit of nothing in it.

The first real chance to get wet is Monday, July 13th in the afternoon. We’re looking at a 4ft swell out of the SSW, with a 12-second period – that’s some proper groundswell energy. The water temp is about 77°, which is normal for this time of year. The wind is glassy, a light 5 km/h from the WSW, so the surface will be clean. The combined energy is a solid 559, which is a strong pulse. They’re calling for very good surf conditions. The swell direction is SSW, and while the spot likes SE best, the quality here is still a standout. Remember, this spot is inconsistent, so when it’s on, it’s on. It’s a beach/jetty break, and with 4ft waves, it’s a good size for most, not too big for beginners. Crowds can show up sometimes.

Tuesday morning, July 14th, drops to 3ft from the SSW with an 11-second period and glassy SSE wind. The energy is 238 – still decent but a step down. The afternoon turns sketchy as the wind swings cross-shore.

From Wednesday, July 15th, through the end of the first week, it’s a total bust. The wind is all cross, cross-on, or onshore, blowing 15 to 25 km/h. The swell drops to 2ft to 3ft with short-period junk. It’s poor surf all the way.

We get a tiny chance on Monday, July 20th afternoon. There’s a 4ft E swell with an 8-second period and glassy conditions. The energy is a weak 196, but it’s surfable and clean. It’s just nothing special.

Tuesday, July 21st, has a similar 4ft E swell, but the period stretches to 10 seconds, giving it a bit more push (energy 273). The wind is cross-shore, so it’s marginal.

The second week, from July 22nd onward, is a grind. Swell sizes bounce between 1ft and 5ft, but the wind is almost always a cross or cross-on breeze, making it choppy and poor. There’s a long-period 16-second SE swell on July 25th, but it’s only 1ft and the wind is a cross-on 15-20 km/h – a total tease. This is a beach/jetty, and that long period with a tiny swell won’t do much.

The far end of the window, July 27th and 28th, shows a pulse of S swell at 4ft to 4ft with 10-11 second periods. The energy is high (373-429), but the wind is a strong 25 km/h cross-shore, which will trash it. The morning of the 28th has a cleaner cross-offshore wind, but it’s still poor overall. It’s a long way out, so take it with a grain of salt.

The standout session is Monday, July 13th afternoon. That glassy 4ft groundswell is the only real gem in this whole 16-day forecast. Don’t miss it.

Rusty.

Short Range Forecast

Mostly dry. Warm (max 29°C on Wed morning, min 24°C on Mon night). Wind will be generally light.

Days 5-7 Weather Summary

Light rain (total 8mm), mostly falling on Fri morning. Warm (max 28°C on Thu afternoon, min 23°C on Sat night). Wind will be generally light.

Mon
13
Tuesday
14
Wednesday
15
Thursday
16
Friday
17
Saturday
18
Sunday
19
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
Rating
(10 max)
3
1
2
0
0
0
0
0
0
0
0
0
0
1
0
0
2
1
0
1
0
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)
1.3
SSW
12
1.2
SSW
12
0.9
SSW
11
0.8
SSW
11
0.7
SSW
10
0.6
SSW
10
0.5
E
9
0.7
E
9
0.8
E
8
0.7
E
8
0.9
E
9
0.9
E
9
0.8
E
9
0.8
SE
11
1.1
SE
9
0.8
E
9
1
SE
9
1
E
9
1
E
8
1
E
8
1
E
8
Wave Graph
Metric surfscale
Energy kJ
517
359
186
143
88
61
44
76
88
64
127
122
93
147
196
99
162
152
138
132
142
Wind (km/h)
5
WSW
10
NE
5
SSE
15
SSW
15
SW
20
SW
25
SSW
25
SSW
15
SW
15
S
10
SSE
15
SSE
15
SE
5
E
15
ENE
15
E
10
NNE
15
NE
15
E
10
E
5
SE
Wind State
glassy
cross
glassy
cross
cross
cross
cross-on
cross
cross
cross-on
cross-on
on
on
cross-on
cross-on
cross-on
cross-off
cross
cross-on
cross-on
on
High Tide
5:22PM1.43m
3:05AM1.46m
5:51PM1.47m
3:52AM1.50m
6:18PM1.48m
4:37AM1.51m
6:44PM1.48m
5:21AM1.51m
7:10PM1.47m
6:05AM1.47m
7:35PM1.45m
6:50AM1.40m
8:00PM1.43m
7:39AM1.31m
Low Tide
10:10PM1.09m
10:31AM0.02m
10:48PM1.03m
11:08AM0.01m
11:24PM0.97m
11:44AM0.04m
00:00AM0.89m
12:18PM0.11m
00:36AM0.82m
12:51PM0.22m
1:15AM0.75m
1:23PM0.36m
1:57AM0.70m
cloud
part cloud
part cloud
part cloud
part cloud
clear
part cloud
part cloud
part cloud
part cloud
rain showers
thunderstorm
rain showers
clear
part cloud
clear
part cloud
rain showers
rain showers
part cloud
cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
4:35
4:35
4:35
4:37
4:37
4:37
4:39
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:54
6:54
6:53
6:53
6:52
6:52
6:52
6:52
 mm
2
4
1
1
1
Temp °C
28
26
28
28
26
29
28
26
28
28
26
27
27
24
27
27
24
27
27
25
26
Feels °C
33
29
31
30
30
31
30
27
32
31
30
30
30
27
29
29
27
30
30
29
30
  • 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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