Surf Forecasts:
Big Ben surf forecast from 22 Sep 2026:
- Best quality surf: Sunday 27 Sep, 3PM (local time) - 3.5ft (1.0m), 9s period, E swell with glassy winds.
- Most powerful swell: Tuesday 29 Sep, 12PM (local time) - 3ft (0.9m), 13s period, SSW swell with 313 kJ wave energy.
- Next surfable swell (1★+): Thursday 24 Sep, 3AM (local time) - 4.5ft (1.3m), 6s 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 Thursday (Sep 24) at 3AM. The primary swell is predicted to be 1.3m and 6s period with a secondary swell of 0.4m and 8s. 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 13s and forecast to arrive on Tuesday (Sep 29) at 12PM. Winds are predicted to be cross-onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.4m 3s period and expected on Friday (Sep 25) at 12AM.
| Wave Type | Time (JST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 3AM (Thu 24th Sep) | 4.5ft (1.3m) 6s |
| Best Surf | 3PM (Sun 27th Sep) | 3.5ft (1.0m) 9s |
| Most Powerful | 12PM (Tue 29th Sep) | 3ft (0.9m) 13s |
Table - best surf conditions forecast for Big Ben over the next 16 days.
Short Range ForecastLight rain (total 9mm), mostly falling on Wed night. Warm (max 26°C on Tue afternoon, min 21°C on Wed night). Wind will be generally light. | Days 5-7 Weather SummaryHeavy rain (total 28mm), heaviest during Sun night. Warm (max 24°C on Fri afternoon, min 18°C on Sat night). Wind will be generally light. | |||||||||||||||||||
Tue 22 | Wednesday 23 | Thursday 24 | Friday 25 | Saturday 26 | Sunday 27 | Monday 28 | ||||||||||||||
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) | SSE 8 | S 8 | ESE 6 | SE 6 | SE 6 | SE 6 | ENE 8 | ENE 8 | ENE 6 | ENE 6 | ENE 5 | E 10 | ENE 6 | ENE 6 | ENE 6 | E 9 | ENE 8 | ENE 8 | ENE 8 | ENE 8 |
Wave Graph  | ||||||||||||||||||||
 kJ | 293 | 118 | 141 | 98 | 104 | 50 | 47 | 46 | 70 | 100 | 32 | 52 | 72 | 66 | 60 | 154 | 104 | 89 | 102 | 116 |
Wind (km/h) | ||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross-on | cross | cross | on | cross-off | cross-off | cross | cross | cross | cross | cross | cross-off | cross-off | cross-off | glassy | cross | glassy | cross | cross-off |
High Tide | 3:26PM1.41m | 1:55AM1.31m | 3:41PM1.45m | 2:53AM1.43m | 3:59PM1.49m | 3:38AM1.52m | 4:17PM1.52m | 4:19AM1.59m | 4:36PM1.54m | 4:58AM1.62m | 4:55PM1.56m | 5:36AM1.61m | 5:15PM1.58m | |||||||
Low Tide | 8:58PM1.00m | 8:48AM0.41m | 9:21PM0.85m | 9:27AM0.39m | 9:47PM0.69m | 10:01AM0.41m | 10:14PM0.55m | 10:32AM0.46m | 10:43PM0.42m | 11:01AM0.53m | 11:12PM0.32m | 11:27AM0.63m | 11:44PM0.26m | |||||||
 |  |  | |  |  | |  | | | |  | | |  | |  | | | | |
 | — | — | 5:26 | — | — | 5:28 | — | — | 5:28 | — | — | 5:28 | — | — | 5:30 | — | — | 5:31 | — | — |
 | 5:37 | — | — | 5:36 | — | — | 5:34 | — | — | 5:32 | — | — | 5:31 | — | — | 5:30 | — | — | 5:29 | — |
mm | — | 2 | 1 | — | 6 | — | — | — | — | — | — | 1 | 4 | 3 | — | 2 | 18 | — | — | — |
Temp °C | 26 | 24 | 23 | 23 | 23 | 26 | 26 | 23 | 24 | 24 | 22 | 24 | 21 | 20 | 20 | 20 | 20 | 23 | 24 | 23 |
Feels °C | 25 | 24 | 23 | 23 | 25 | 29 | 28 | 25 | 22 | 23 | 22 | 25 | 21 | 20 | 21 | 22 | 22 | 26 | 26 | 26 |
Swell 1 Height (m) Direction Period (s) | SSE 8 | S 8 | NE 8 | NE 8 | NE 8 | SE 6 | SE 5 | ENE 8 | NE 8 | ESE 9 | ESE 8 | E 10 | E 10 | E 10 | ENE 6 | E 9 | ENE 8 | ENE 8 | ENE 8 | ENE 8 |
| kJ | 293 | 118 | 23 | 23 | 24 | 50 | 27 | 46 | 18 | 17 | 23 | 47 | 30 | 30 | 53 | 154 | 104 | 89 | 102 | 116 |
Swell 2 Height (m) Direction Period (s) | ENE 9 | NE 8 | E 10 | E 9 | E 9 | NE 8 | ENE 8 | ESE 5 | ESE 8 | SSE 8 | ENE 10 | SSE 8 | ESE 8 | SSE 9 | E 9 | SSE 10 | SSE 9 | S 7 | S 8 | S 7 |
| kJ | 59 | 24 | 28 | 16 | 15 | 35 | 47 | 13 | 24 | 7 | 10 | 7 | 12 | 8 | 27 | 9 | 8 | 35 | 19 | 22 |
Swell 3 Height (m) Direction Period (s) | WSW 8 | E 10 | SE 9 | SSE 9 | SSE 9 | E 9 | E 9 | E 8 | SSE 8 | E 10 | ENE 8 | S 10 | SSE 9 | SE 15 | SSE 9 | S 8 | S 8 | SSE 9 | SW 7 | SW 14 |
| kJ | 6 | 16 | 3 | 8 | 7 | 14 | 14 | 12 | 7 | 8 | 7 | 2 | 7 | 8 | 8 | 5 | 5 | 7 | 11 | 46 |
Wind waves Height (m) Direction Period (s) | E 3 | ESE 5 | ESE 6 | SE 6 | SE 6 | — | — | NE 3 | ENE 6 | ENE 6 | ENE 5 | ENE 6 | ENE 6 | ENE 6 | ENE 6 | ENE 8 | — | — | — | — |
| kJ | 4 | 42 | 141 | 98 | 104 | — | — | 2 | 70 | 100 | 32 | 52 | 72 | 66 | 60 | 117 | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||
Distance (km) | 81 | 55 | 273 | 1453 | 24 | 0 | 0 | 229 | 2277 | 2277 | 22 | 22 | 24 | 0 | 0 | 0 | 6 | 0 | 30 | 0 |
Best forecast wave conditions in Chiba | ||||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||||
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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.
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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