Surf Forecasts:
Banzai surf forecast from 11 Sep 2026:
- Best quality surf: Friday 11 Sep, 2AM (local time) - 4.5ft (1.4m), 7s period, ESE swell with cross-offshore winds.
- Most powerful swell: Saturday 12 Sep, 11AM (local time) - 5ft (1.6m), 8s period, ESE swell with 270 kJ wave energy.
- Next surfable swell (1★+): Friday 11 Sep, 2AM (local time) - 4.5ft (1.4m), 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 Friday (Sep 11) at 2AM. The primary swell is predicted to be 1.4m and 7s period with a secondary swell of 1.1m 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 1.6m 8s 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 Sunday (Sep 13) at 2AM.
| Wave Type | Time (AST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 2AM (Fri 11th Sep) | 4.5ft (1.4m) 7s |
| Best Surf | 2AM (Fri 11th Sep) | 4.5ft (1.4m) 7s |
| Most Powerful | 11AM (Sat 12th Sep) | 5ft (1.6m) 8s |
Table - best surf conditions forecast for Banzai over the next 16 days.
The Lowdown
Alright folks, Rusty here. Gotta be straight with you – this next stretch is shaping up to be a real test of patience here at Banzai. We’re looking at a long, quiet spell with hardly anything worth paddling out for.
The water’s holding at a balmy 86°, which is a touch warmer than normal for this time of year, so at least you won’t be shivering while you’re sitting there waiting for a set that never comes.
Right through to the end of September, the conditions are pretty much all the same story: onshore winds and weak, short-period windswell. The energy is low, and for the most part, the combined swell energy sits below 200, with many days barely cracking 100. The swell direction is from the ESE or SE, not matching the S direction that Banzai really wants. You're looking at heights of 2 ft to 5 ft, with a period of only 6 to 8 seconds. That’s not proper swell; it’s just chop.
The first sign of anything slightly less terrible shows up on Tuesday the 15th of September in the morning. The winds ease right back to almost nothing, with a slight air moving out of the ESE. You’ll get chest-high waves around 4 ft, but the energy is still low at 301. The swell is short period and cross-on. It’s still a marginal call at best – you might snag a couple of grovelly ones, but don’t expect any kind of quality.
After that, it’s back into the grind of onshore winds and poor surf. There’s a brief flicker of hope on Friday the 25th and 25th of September. The wind swings around to a gentle cross-shore from the NE in the morning, and a light cross-onshore from the E in the afternoon. The swell holds at 5 ft from the SE, with period still at 7 seconds. The combined energy bumps up a little to around 220, but it’s still a marginal call. It’s not good, but it might be the best of a bad bunch if you’re desperate.
Honestly, the whole 16-day outlook is a write-off. The consistent onshore flow kills any chance of clean waves. This isn’t a spot known for this kind of drawn-out flatness, so keep an eye on the charts. Things can change. But for now, you’re better off tuning the board, checking your fins, or finding something else to do.
Rusty.
Short Range ForecastLight rain (total 3mm), mostly falling on Thu afternoon. Warm (max 31°C on Thu afternoon, min 25°C on Sat night). Wind will be generally light. | Days 5-7 Weather SummaryModerate rain (total 11mm), heaviest on Sun afternoon. Warm (max 31°C on Sun afternoon, min 24°C on Mon night). Wind will be generally light. | |||||||||||||||||||
Thu 10 | Friday 11 | Saturday 12 | Sunday 13 | Monday 14 | Tuesday 15 | Wednesday 16 | ||||||||||||||
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) | ESE 7 | ESE 7 | ESE 7 | SE 7 | ESE 7 | ESE 8 | ESE 8 | SE 8 | ESE 8 | SE 7 | ESE 7 | ESE 7 | SE 7 | SE 7 | ESE 7 | SE 7 | SE 7 | SE 7 | ESE 7 | SE 7 |
Wave Graph  | ||||||||||||||||||||
 kJ | 178 | 220 | 242 | 147 | 228 | 270 | 240 | 143 | 150 | 122 | 108 | 83 | 91 | 96 | 173 | 128 | 99 | 96 | 163 | 112 |
Wind (km/h) | ||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | on | cross-off | on | on | cross | cross-on | on | cross-off | cross-on | on | cross-off | cross-on | on | cross | cross-on | on | cross-off | cross-on | on | cross-off |
High Tide | 10:13PM0.22m | 10:23AM0.18m | 10:32PM0.18m | 11:15AM0.20m | 10:27PM0.14m | 12:09PM0.22m | 1:13PM0.22m | 2:33PM0.22m | 4:18PM0.23m | |||||||||||
Low Tide | 2:08PM0.10m | 5:03AM0.14m | 3:21PM0.13m | 3:32AM0.13m | 8:38PM0.14m | 2:50AM0.08m | 2:56AM0.05m | 3:11AM0.03m | 3:35AM0.02m | |||||||||||
 |  |  |  |  | | | | | | | | | | | | | |  | | |
 | — | — | 6:24 | — | — | 6:24 | — | — | 6:24 | — | — | 6:24 | — | — | 6:26 | — | — | 6:26 | — | — |
 | 6:45 | — | — | 6:44 | — | — | 6:43 | — | — | 6:42 | — | — | 6:40 | — | — | 6:40 | — | — | 6:39 | — |
mm | 1 | — | — | — | 1 | — | — | — | 1 | 3 | 4 | — | 1 | — | — | — | 2 | 1 | 2 | 3 |
Temp °C | 31 | 29 | 30 | 31 | 28 | 30 | 31 | 28 | 29 | 31 | 27 | 30 | 31 | 28 | 29 | 31 | 27 | 28 | 29 | 28 |
Feels °C | 31 | 32 | 32 | 32 | 31 | 31 | 30 | 29 | 30 | 33 | 29 | 31 | 33 | 30 | 32 | 31 | 30 | 31 | 30 | 31 |
Swell 1 Height (m) Direction Period (s) | — | SE 7 | SE 7 | — | SE 7 | SE 7 | SE 7 | SE 8 | ESE 8 | SE 7 | ESE 7 | ESE 7 | E 14 | SE 7 | SE 7 | E 13 | SE 7 | SE 7 | SE 7 | SE 7 |
| kJ | — | 122 | 132 | — | 132 | 176 | 156 | 143 | 150 | 122 | 108 | 83 | 4 | 96 | 125 | 3 | 99 | 96 | 109 | 112 |
Swell 2 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | E 14 | E 14 | E 13 | — | E 13 | E 13 | E 12 | SE 12 |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | 4 | 4 | 3 | — | 3 | 3 | 3 | 5 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | E 8 |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 |
Wind waves Height (m) Direction Period (s) | ESE 7 | ESE 7 | ESE 7 | SE 7 | ESE 7 | ESE 8 | ESE 8 | NE 3 | NNE 3 | — | E 4 | NNE 3 | SE 7 | — | ESE 7 | SE 7 | — | — | ESE 7 | — |
| kJ | 178 | 220 | 242 | 147 | 228 | 270 | 240 | 2 | 1 | — | 11 | 1 | 91 | — | 173 | 128 | — | — | 163 | — |
Nearest Offshore or Glassy | ||||||||||||||||||||
Distance (km) | 915 | 0 | 99 | 905 | 36 | 744 | 883 | 0 | 36 | 720 | 0 | 226 | 915 | 36 | 36 | 267 | 0 | 145 | 388 | 0 |
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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