Surf Forecasts:
Big Ben surf forecast from 13 Jul 2026:
- Best quality surf: Monday 13 Jul, 6PM (local time) - 4.5ft (1.3m), 12s period, SSW swell with glassy winds.
- Most powerful swell: Monday 13 Jul, 3PM (local time) - 4.5ft (1.4m), 12s period, SSW swell with 557 kJ wave energy.
- Next surfable swell (1★+): Monday 13 Jul, 6PM (local time) - 4.5ft (1.3m), 12s 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 Monday (Jul 13) at 6PM. The primary swell is predicted to be 1.3m and 12s period with a secondary swell of 0.4m and 9s. 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 1.4m 12s and forecast to arrive on Monday (Jul 13) at 3PM. 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 12PM.
| Wave Type | Time (JST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 6PM (Mon 13th Jul) | 4.5ft (1.3m) 12s |
| Best Surf | 6PM (Mon 13th Jul) | 4.5ft (1.3m) 12s |
| Most Powerful | 3PM (Mon 13th Jul) | 4.5ft (1.4m) 12s |
Table - best surf conditions forecast for Big Ben over the next 16 days.
Alright, Rusty here. Let’s have a look at the only game in town for the next couple of weeks.
So, Big Ben is the only spot on the radar, and the next 16 days are a bit of a mixed bag. It’s an exposed beach-and-jetty setup that’s inconsistent, which is pretty normal for the area. The water’s sitting at about 76°, pretty much where it should be for this time of year – no nasty surprises there.
The opening stretch is lackluster. Monday the 13th serves up a bumpy 5ft SSW swell with a medium-period groundswell of 13 seconds, but it’s coming with a cross-shore breeze and the energy is moderate (763). Not really worth paddling out for anything special. Tuesday the 14th gives you a bit of a rest, with a glassy 3ft SSW swell in the morning (239 energy), but it’s small.
Wednesday through to Saturday morning are a write-off: small, choppy, crossed-up, or onshore. The swell drops to 2-3ft, and the wind just ruins it. Sunday the 19th morning cleans up a touch with a cross-offshore NNE breeze and a 4ft E swell (354), but it’s marginal at best.
The first real highlight doesn't come till Wednesday the 22nd of July. That morning you’ve got glassy conditions, just about perfect. The swell is a solid 8ft ENE groundswell with a long 11-second period, and the combined energy is strong at 1283. It’s a bit heavy for beginners – over 8ft is expert territory, and at 8ft it’s pushing into experienced-only zone. This is the best on offer, but it’s a long-range call, so don’t lock it in just yet. For an inconsistent spot like Big Ben, if you’re intermediate or above, that Wednesday morning session looks like the one to circle.
After that, the swell backs off through the end of the month. Thursday the 23rd is smaller with onshore wind. Friday the 24th is small and choppy. Saturday the 25th morning looks tidy again with a cross-offshore N breeze and a clean 3ft SE swell (208), but it’s tiny. The final few days into the 28th get messy with fresh to strong cross-shore breezes and lumpy conditions. The swell stays in the 4-6ft range with moderate energy, but the wind just kills it for a paddle session.
So, to call it: the standout is Wednesday morning, July 22nd. Glassy, solid swell, but it’s for the experienced crew. The rest is mostly small, choppy, or waiting on a clean window that might not open.
Rusty.
Short Range ForecastMostly dry. Warm (max 29°C on Tue morning, min 24°C on Mon night). Winds increasing (calm on Mon afternoon, fresh winds from the SSW by Wed night). | Days 4-6 Weather SummaryModerate rain (total 11mm), heaviest on Thu night. Warm (max 28°C on Thu morning, min 24°C on Fri night). Wind will be generally light. | ||||||||||||||||||||
Monday 13 | Tuesday 14 | Wednesday 15 | Thursday 16 | Friday 17 | Saturday 18 | Sunday 19 | |||||||||||||||
AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | |
Swell Height Map |  |  |  |  |  |  |  | ||||||||||||||
Wave Height (m) Direction Period (s) | SSW 13 | SSW 12 | SSW 12 | SSW 11 | SSW 11 | SSW 10 | SSW 10 | SSW 9 | SSW 5 | SSW 6 | E 8 | E 9 | E 9 | E 9 | E 9 | SE 10 | SE 9 | ESE 8 | E 8 | ESE 9 | E 9 |
Wave Graph  | |||||||||||||||||||||
 kJ | 722 | 557 | 330 | 186 | 143 | 88 | 61 | 146 | 98 | 80 | 68 | 97 | 99 | 97 | 93 | 296 | 251 | 246 | 185 | 374 | 476 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | cross | cross-off | glassy | cross | cross | cross | cross-on | cross | cross | cross-on | cross-on | on | on | cross | cross | cross | cross-off | cross-off | cross-on | cross |
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 | ||||||||
Low Tide | 9:51AM0.07m | 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 | |||||||
 | |  |  | |  |  | | | | |  |  |  | | | | | |  |  | |
 | 4:33 | — | — | 4:35 | — | — | 4:35 | — | — | 4:35 | — | — | 4:37 | — | — | 4:37 | — | — | 4:37 | — | — |
 | — | 6:54 | — | — | 6:54 | — | — | 6:53 | — | — | 6:53 | — | — | 6:52 | — | — | 6:52 | — | — | 6:52 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | 8 | 2 | 1 | — | — | — | — | 1 | 3 | — |
Temp °C | 26 | 27 | 26 | 29 | 28 | 26 | 28 | 28 | 26 | 28 | 28 | 26 | 27 | 27 | 25 | 27 | 27 | 24 | 26 | 26 | 24 |
Feels °C | 30 | 31 | 30 | 32 | 30 | 30 | 30 | 30 | 27 | 31 | 31 | 30 | 31 | 29 | 28 | 28 | 28 | 25 | 28 | 29 | 27 |
Swell 1 Height (m) Direction Period (s) | SSW 13 | SSW 12 | SSW 12 | SSW 11 | SSW 11 | SSW 10 | SSW 10 | E 10 | E 9 | E 8 | E 8 | E 9 | E 9 | E 9 | E 9 | SE 10 | SE 9 | ESE 8 | E 8 | ESE 9 | E 9 |
| kJ | 722 | 557 | 330 | 186 | 143 | 88 | 61 | 47 | 80 | 68 | 68 | 97 | 99 | 97 | 93 | 296 | 251 | 246 | 185 | 374 | 476 |
Swell 2 Height (m) Direction Period (s) | E 9 | E 9 | E 10 | E 10 | E 10 | E 10 | E 10 | ESE 9 | SE 9 | SW 9 | SW 8 | SW 8 | SW 8 | SE 10 | SE 8 | E 9 | E 9 | SSE 9 | SE 9 | S 10 | ESE 12 |
| kJ | 26 | 26 | 16 | 31 | 33 | 30 | 47 | 15 | 13 | 12 | 11 | 23 | 20 | 23 | 24 | 96 | 57 | 55 | 112 | 52 | 98 |
Swell 3 Height (m) Direction Period (s) | SE 10 | SE 10 | SE 12 | SE 12 | SE 12 | SE 10 | SE 11 | SSE 9 | SE 11 | SSE 9 | SE 9 | SE 10 | SE 10 | SW 7 | SE 13 | SW 7 | SW 7 | S 8 | S 11 | SW 7 | S 9 |
| kJ | 15 | 15 | 22 | 22 | 22 | 16 | 18 | 9 | 5 | 9 | 13 | 15 | 15 | 14 | 61 | 8 | 8 | 6 | 57 | 2 | 41 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | SSW 3 | S 3 | SSW 9 | SSW 5 | SSW 6 | SSW 5 | S 5 | SSE 5 | SSE 5 | SSE 4 | ENE 3 | E 4 | — | — | — | — |
| kJ | — | — | — | — | — | 1 | 5 | 146 | 98 | 80 | 45 | 27 | 32 | 33 | 11 | 3 | 4 | — | — | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 6 | 18 | 0 | 0 | 30 | 35 | 121 | 30 | 513 | 35 | 30 | 30 | 30 | 30 | 6 | 29 | 29 | 29 | 35 | 22 | 6 |
Best forecast wave conditions in Chiba | |||||||||||||||||||||
Best forecast wave conditions in Japan | |||||||||||||||||||||
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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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