Surf Forecasts:
Big Ben surf forecast from 24 Jul 2026:
- Best quality surf: Tuesday 28 Jul, 3AM (local time) - 2ft (0.6m), 10s period, SE swell with cross-offshore winds.
- Most powerful swell: Wednesday 29 Jul, 9PM (local time) - 3ft (0.9m), 8s period, ENE swell with 111 kJ wave energy.
- Next surfable swell (1★+): Saturday 25 Jul, 6AM (local time) - 1.5ft (0.5m), 10s period with SE 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 Saturday (Jul 25) at 6AM. The primary swell is predicted to be 0.5m and 10s period with a secondary swell of 0.5m and 8s. Another secondary swell of 0.5m and 4s is also forecast. 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 0.9m 8s and forecast to arrive on Wednesday (Jul 29) at 9PM. Winds are predicted to be glassy at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.4m 4s period and expected on Sunday (Jul 26) at 9AM.
| Wave Type | Time (JST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 6AM (Sat 25th Jul) | 1.5ft (0.5m) 10s |
| Best Surf | 3AM (Tue 28th Jul) | 2ft (0.6m) 10s |
| Most Powerful | 9PM (Wed 29th Jul) | 3ft (0.9m) 8s |
Table - best surf conditions forecast for Big Ben over the next 16 days.
The Lowdown
Alright, Rusty here. Let's have a look at what's cookin' at Big Ben.
Alright, to be straight with you, the next couple of weeks are looking pretty grim for a decent paddle at Big Ben. We've got a long stretch of flat, weak, or just plain messy conditions ahead. The first week is a write-off for any real fun. The energy is low, with the combined swell energy barely getting into triple digits, and when it does, the wind is cross or cross-onshore, killing any chance of a clean face. It’s a lot of poor surf conditions and "ordinary" vibes. There are a few glassy moments on the morning of Sunday the 26th of July and again on Thursday the 30th of July, but the swell is tiny at 1 ft, so you’re looking at ankle-biters at best. A long period (15 seconds) swell on the 26th won't do much for this exposed beach setup.
Then we hit a wall of nothingness for several days, right into the start of August. The swell finally shows up, but it’s a case of be careful what you wish for. By Tuesday the 4th of August, we see the energy picking up fast, hitting 730 by morning (moderate energy), but the wind is cross-off and the swell is 5 ft. That could be okay for some, but it's all building into a beast.
The real story here is the end of the run, from the 5th of August onward. The ocean is going to go absolutely nuts. We're looking at a massive pulse of groundswell from the SE, with periods stretching to 16-18 seconds. The combined energy values are astronomical, hitting over 67,000 on the morning of the 8th of August. These are numbers that scream "stay on the beach." The swell height climbs from 12 ft on the Wednesday morning to a staggering 39 ft by the Saturday. The wind, unfortunately, turns into a full-on gale from the east, howling at 40 mph. The forecast notes say it's too big for the break, and with that kind of wind, this setup is way more interesting for kite surfers than anyone on a paddle board. This is heavy, expert-only, and honestly, a full-blown survival mission. If you’ve got a hankering for a session, the window is narrow and the conditions are dangerous.
Rusty.
Short Range ForecastModerate rain (total 15mm), heaviest on Sat night. Warm (max 29°C on Fri afternoon, min 23°C on Sat night). Wind will be generally light. | Days 4-6 Weather SummaryModerate rain (total 11mm), heaviest on Mon afternoon. Warm (max 27°C on Wed morning, min 22°C on Mon night). Wind will be generally light. | ||||||||||||||||||||
Friday 24 | Saturday 25 | Sunday 26 | Monday 27 | Tuesday 28 | Wednesday 29 | Thursday 30 | |||||||||||||||
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) | E 9 | SE 11 | SE 16 | SE 10 | SE 16 | SE 15 | SE 11 | SE 14 | SE 11 | SE 10 | SE 10 | SE 10 | ESE 10 | ENE 7 | SE 10 | SE 10 | SE 10 | SE 10 | ENE 8 | E 8 | SE 10 |
Wave Graph  | |||||||||||||||||||||
 kJ | 59 | 59 | 91 | 48 | 87 | 78 | 76 | 74 | 72 | 70 | 65 | 80 | 67 | 64 | 47 | 47 | 47 | 44 | 53 | 48 | 24 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | on | on | cross-on | cross-on | cross | glassy | cross-on | glassy | cross | cross | cross-off | cross-off | cross | cross | cross | cross-on | glassy | glassy | cross-on | cross |
High Tide | 3:23PM1.15m | 11:05PM1.35m | 4:08PM1.27m | 00:24AM1.35m | 4:36PM1.36m | 1:40AM1.39m | 5:02PM1.43m | 2:41AM1.44m | 5:26PM1.48m | 3:33AM1.49m | 5:50PM1.50m | 4:19AM1.53m | 6:13PM1.51m | ||||||||
Low Tide | 4:56PM1.15m | 7:40AM0.36m | 7:43PM1.20m | 8:39AM0.25m | 9:04PM1.17m | 9:26AM0.15m | 9:52PM1.11m | 10:08AM0.09m | 10:29PM1.03m | 10:45AM0.06m | 11:02PM0.94m | 11:20AM0.08m | 11:34PM0.85m | ||||||||
 | |  |  | |  |  | | | | |  | | | | | | | | | | |
 | 4:41 | — | — | 4:41 | — | — | 4:43 | — | — | 4:43 | — | — | 4:43 | — | — | 4:45 | — | — | 4:46 | — | — |
 | — | 6:49 | — | — | 6:47 | — | — | 6:47 | — | — | 6:46 | — | — | 6:45 | — | — | 6:45 | — | — | 6:45 | — |
mm | — | — | — | 1 | 2 | 8 | — | — | 4 | 2 | 6 | — | — | 2 | 1 | — | — | — | — | — | — |
Temp °C | 28 | 29 | 26 | 29 | 29 | 25 | 28 | 28 | 26 | 26 | 24 | 23 | 26 | 26 | 24 | 27 | 27 | 25 | 29 | 28 | 25 |
Feels °C | 32 | 33 | 30 | 34 | 34 | 28 | 32 | 31 | 31 | 29 | 25 | 24 | 27 | 27 | 26 | 29 | 30 | 29 | 32 | 30 | 28 |
Swell 1 Height (m) Direction Period (s) | E 9 | E 9 | E 9 | E 8 | SE 10 | SE 10 | E 8 | E 5 | SE 11 | SE 10 | SE 10 | SE 10 | ESE 10 | SE 10 | SE 10 | SE 10 | SE 10 | ENE 8 | ENE 8 | E 8 | ENE 8 |
| kJ | 59 | 59 | 39 | 37 | 49 | 54 | 48 | 14 | 71 | 67 | 65 | 80 | 67 | 48 | 47 | 47 | 47 | 39 | 53 | 48 | 19 |
Swell 2 Height (m) Direction Period (s) | SE 9 | SE 11 | SE 10 | SE 10 | E 8 | ENE 8 | SE 11 | SE 11 | SE 14 | SE 14 | S 8 | SSW 8 | SSW 9 | SSW 9 | SSW 8 | ENE 8 | ENE 8 | SE 10 | SE 10 | SE 10 | SE 10 |
| kJ | 23 | 57 | 53 | 48 | 35 | 22 | 73 | 56 | 72 | 70 | 35 | 23 | 26 | 25 | 28 | 23 | 24 | 44 | 23 | 33 | 24 |
Swell 3 Height (m) Direction Period (s) | SSW 5 | SE 16 | SE 16 | SE 4 | SE 16 | SE 15 | SE 15 | SE 14 | SSW 9 | NE 8 | SE 14 | SE 13 | SE 13 | SE 13 | SE 13 | SSW 8 | SSW 8 | E 5 | SSW 8 | SSW 8 | E 8 |
| kJ | 2 | 43 | 91 | 7 | 87 | 78 | 76 | 74 | 15 | 15 | 65 | 44 | 28 | 27 | 28 | 24 | 14 | 13 | 12 | 11 | 13 |
Wind waves Height (m) Direction Period (s) | NE 4 | E 3 | ESE 4 | ESE 4 | SE 4 | SE 4 | NE 4 | — | ENE 5 | ENE 5 | NE 7 | ENE 7 | NE 7 | ENE 7 | ENE 7 | ENE 4 | ENE 5 | — | — | — | SW 3 |
| kJ | 3 | 2 | 5 | 6 | 4 | 2 | 3 | — | 36 | 19 | 56 | 68 | 54 | 64 | 47 | 12 | 17 | — | — | — | 2 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 22 | 30 | 30 | 2 | 30 | 6 | 0 | 30 | 0 | 35 | 35 | 2 | 35 | 35 | 35 | 6 | 38 | 0 | 0 | 30 | 30 |
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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