Surf Forecasts:
Banzai surf forecast from 12 Sep 2026:
- Best quality surf: Saturday 12 Sep, 2AM (local time) - 4ft (1.2m), 7s period, ESE swell with cross-offshore winds.
- Most powerful swell: Saturday 12 Sep, 11AM (local time) - 5ft (1.5m), 7s period, ESE swell with 215 kJ wave energy.
- Next surfable swell (1★+): Saturday 12 Sep, 2AM (local time) - 4ft (1.2m), 7s period with ESE swell.
Best Forecast Surf Conditions for Banzai this week:
The surf forecast for Banzai over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Saturday (Sep 12) at 2AM. The primary swell is predicted to be 1.2m and 7s period with a secondary swell of 0.9m and 7s. The wind is predicted to be cross-offshore as the swell arrives.
The most powerful waves expected at Banzai in the next 16 days are 1.5m 7s and forecast to arrive on Saturday (Sep 12) at 11AM. 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 Saturday (Sep 12) at 11PM.
| Wave Type | Time (AST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 2AM (Sat 12th Sep) | 4ft (1.2m) 7s |
| Best Surf | 2AM (Sat 12th Sep) | 4ft (1.2m) 7s |
| Most Powerful | 11AM (Sat 12th Sep) | 5ft (1.5m) 7s |
Table - best surf conditions forecast for Banzai over the next 16 days.
The Lowdown
Alright folks, Rusty here. Gotta be straight with you – this forecast window is a tough one. We're looking at a real stretch of flat, onshore slop for Banzai (United States). The data starts from September 11th and runs all the way through to September 26th, and there’s barely a whisper of quality surf in that whole run. Let's break it down.
The overall pattern for the next couple of weeks is dominated by short-period, onshore wind swell. It’s constantly coming from the southeast, which is not Banzai’s happy place – this reef needs something from the south to really work, and we aren’t getting that.
For the first week, from September 11th to about the 18th, it’s grim. The wind is either onshore or cross-onshore every day out of the SE, ESE, or E, blowing at 12 to 12 mph. The swell is weak, with combined energy values bouncing between a feeble 70 and a moderate 340 (the highest reading is on the 12th). That 340 reading on Saturday the 12th morning might sound okay, but with a period of just 7 seconds and cross-onshore wind, it’s just going to be a messy, choppy 5 ft wave. Not worth paddling out for. The rest of the week is more of the same: tiny 3 ft waves with horrible wind. The water temp is sitting around 86°, which is about normal for this time of year.
The second week, from September 19th into the 26th, doesn't get any better. We're looking at a long gap of days with no hope at all. The swell stays tiny – mostly 2 ft to 3 ft – and the period drops to 6 seconds for long stretches. The combined energy is weak, often under 80. Winds don't let up, staying onshore from the SE. The best you could hope for is the very end on September 26th, with a light ESE breeze at 6 mph, but even then, it’s a pathetic 3 ft cross-onshore dribble.
Honestly, there is not a single standout session in this entire 16-day window. If you’re a kitesurfer, the constant onshore wind and small, choppy waves might look like a fun playground, but for a surfer, it’s a full-on blank run. This kind of dead spell is pretty normal for the area when the wind sets in from the wrong direction. You're better off waiting for a change.
Rusty.
Short Range ForecastLight rain (total 3mm), mostly falling on Sun night. Warm (max 32°C on Sat afternoon, min 24°C on Sun night). Wind will be generally light. | Days 5-7 Weather SummaryModerate rain (total 13mm), heaviest on Tue night. Warm (max 31°C on Mon afternoon, min 24°C on Mon night). Wind will be generally light. | |||||||||||||||||||
Fri 11 | Saturday 12 | Sunday 13 | Monday 14 | Tuesday 15 | Wednesday 16 | Thursday 17 | ||||||||||||||
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) | SE 7 | ESE 7 | ESE 7 | SE 7 | SE 7 | SE 7 | SE 7 | ESE 7 | SE 7 | SE 7 | ESE 7 | SE 7 | SE 6 | SE 6 | ESE 6 | SE 6 | ESE 7 | SE 7 | SE 7 | ESE 6 |
Wave Graph  | ||||||||||||||||||||
 kJ | 77 | 132 | 215 | 132 | 126 | 126 | 126 | 114 | 99 | 99 | 117 | 65 | 68 | 58 | 107 | 58 | 76 | 73 | 73 | 117 |
Wind (km/h) | ||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | on | cross-off | cross-on | on | cross-off | cross-on | cross-on | cross-off | cross-on | on | glassy | cross-on | on | cross-on | cross-on | on | cross | cross-on | on | cross |
High Tide | 10:32PM0.18m | 11:15AM0.20m | 10:27PM0.14m | 12:09PM0.22m | 1:13PM0.22m | 2:33PM0.22m | 4:18PM0.23m | 5:22PM0.23m | ||||||||||||
Low Tide | 3:21PM0.13m | 3:32AM0.13m | 8:38PM0.14m | 2:50AM0.08m | 2:56AM0.05m | 3:11AM0.03m | 3:35AM0.02m | 4:05AM0.01m | ||||||||||||
 |  | | | |  | |  | | | |  |  |  | | |  | | | | |
 | — | — | 6:24 | — | — | 6:24 | — | — | 6:24 | — | — | 6:26 | — | — | 6:26 | — | — | 6:26 | — | — |
 | 6:44 | — | — | 6:43 | — | — | 6:42 | — | — | 6:40 | — | — | 6:40 | — | — | 6:39 | — | — | 6:38 | — |
mm | — | — | — | — | — | — | — | 3 | — | — | 6 | — | 1 | 6 | — | — | — | — | — | 5 |
Temp °C | 31 | 28 | 30 | 32 | 28 | 31 | 31 | 28 | 30 | 31 | 27 | 29 | 31 | 27 | 28 | 29 | 27 | 30 | 30 | 28 |
Feels °C | 31 | 31 | 31 | 32 | 29 | 32 | 31 | 29 | 32 | 31 | 28 | 31 | 32 | 28 | 30 | 30 | 30 | 33 | 31 | 32 |
Swell 1 Height (m) Direction Period (s) | — | SE 7 | SE 7 | — | SE 7 | SE 7 | — | ESE 7 | SE 7 | E 14 | SE 7 | SE 7 | SE 13 | SE 6 | SE 6 | SE 6 | ESE 7 | SE 7 | SE 12 | ESE 6 |
| kJ | — | 75 | 125 | — | 126 | 126 | — | 114 | 99 | 4 | 96 | 65 | 7 | 58 | 54 | 58 | 76 | 73 | 5 | 71 |
Swell 2 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | E 14 | E 13 | E 9 | E 13 | E 13 | SE 12 | SE 12 | SE 12 | — | E 11 |
| kJ | — | — | — | — | — | — | — | — | — | — | 4 | 3 | 2 | 3 | 3 | 6 | 5 | 6 | — | 2 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | E 14 | E 9 | — | E 9 | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | 4 | 2 | — | 2 | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | SE 7 | ESE 7 | ESE 7 | SE 7 | NNE 3 | NNE 3 | SE 7 | — | — | SE 7 | ESE 7 | NNE 2 | SE 6 | — | ESE 6 | — | NE 2 | — | SE 7 | ESE 6 |
| kJ | 77 | 132 | 215 | 132 | 1 | 1 | 126 | — | — | 99 | 117 | 1 | 68 | — | 107 | — | 1 | — | 73 | 117 |
Nearest Offshore or Glassy | ||||||||||||||||||||
Distance (km) | 547 | 0 | 547 | 905 | 0 | 741 | 720 | 0 | 710 | 388 | 0 | 741 | 312 | 72 | 36 | 44 | 44 | 145 | 267 | 44 |
Best forecast wave conditions in Caribbean Coast - Dominican Republic | ||||||||||||||||||||
Best forecast wave conditions in Dominican Republic | ||||||||||||||||||||
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Information about the Banzai Surf forecast
The above surf forecast table for Banzai provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Banzai can be found by selecting the local surf guide option on the grey menu. Our Banzai 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 (Banzai) 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 Banzai 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.
Banzai is 2 km (1 miles) from the city of Boca Chica. If you plan a holiday in Caribbean Coast - Dominican Republic, look for hotels and other accommodation in Boca Chica. Boca Chica has rooms for a wide range of budgets as well as car hire and transport links.
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