Surf Forecasts:
Miami surf forecast from 4 Aug 2026:
- Most powerful swell: Tuesday 4 Aug, 9PM (local time) - 5.5ft (1.7m), 8s period, ESE swell with 372 kJ wave energy.
Best Forecast Surf Conditions for Miami this week:
The most powerful waves expected at Miami in the next 16 days are 1.7m 8s and forecast to arrive on Tuesday (Aug 04) at 9PM. 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 6s period and expected on Monday (Aug 10) at 3PM.
| Wave Type | Time (-03) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | - | - |
| Best Surf | - | - |
| Most Powerful | 9PM (Tue 4th Aug) | 5.5ft (1.7m) 8s |
Table - best surf conditions forecast for Miami over the next 16 days.
The Lowdown
Alright, this is a tough one to call for Miami. Look, I’ve scanned the whole 16-day window, and I gotta be straight with you—there isn’t a single day that I’d tell you to paddle out with confidence. The conditions are just not cooperating. We’ve got a constant battle with onshore and cross-onshore winds, mostly from the Southeast, and that’s messing up what little wave energy we get.
Right out of the gate on Tuesday, August 4th, we’ve got chest-high, 6ft swell, coming from the ESE with a short, weak 8-second period. Combined energy is weak at 353, and the wind is cross-onshore. It’s choppy and messy. That sets the tone for the whole first week. Day after day, we see the same story: moderate breeze, onshore wind, and poor surf quality. The water temp is around 81°, which is about average for this time of year.
The only real change comes on Sunday, August 16th, with a bit more size and power—5ft swell from the ESE, period jumps to 13 seconds, and the combined energy hits a moderate 670. That’s the biggest pulse of the whole forecast. But again, the wind is a messy cross-onshore. That’s a real shame because a 13-second period would normally give you some nice lines, but the wind will tear it apart.
After that, we roll into the final week with similar conditions. Slight size increase again on Tuesday, August 18th with 6ft swell from the ESE, but period drops back to a weak 7 seconds, and it’s still onshore. At that size with that wind, it’s going to be a washing machine—more of a challenge for experts than fun for anyone else. A beach-and-reef setup like Miami with these conditions honestly looks more interesting for kite surfing than paddle surfing.
Look, with zero consistent recommendations in the finder, this is one of those blank runs that happens here. It tends not to stay poor for long, but this stretch is a write-off. Keep an eye on the forecast; things can change.
Rusty.
Short Range ForecastLight rain (total 5mm), mostly falling on Tue afternoon. Warm (max 27°C on Wed morning, min 22°C on Tue night). Wind will be generally light. | Days 5-7 Weather SummaryLight rain (total 6mm), mostly falling on Sun morning. Warm (max 27°C on Fri afternoon, min 24°C on Sun night). Wind will be generally light. | |||||||||||||||||||
Tue 4 | Wednesday 5 | Thursday 6 | Friday 7 | Saturday 8 | Sunday 9 | Monday 10 | ||||||||||||||
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 8 | ESE 8 | ESE 8 | ESE 8 | ESE 7 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | SE 8 | E 6 | E 7 | ESE 7 | E 7 | ESE 7 | ESE 7 | ESE 8 | ESE 8 |
Wave Graph  | ||||||||||||||||||||
 kJ | 335 | 372 | 300 | 226 | 197 | 284 | 232 | 207 | 262 | 250 | 201 | 93 | 77 | 203 | 203 | 245 | 252 | 191 | 142 | 170 |
Wind (km/h) | ||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross-on | cross-on | cross-on | cross-on | on | cross-on | on | on | on | on | on | on | on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on |
High Tide | 7:55PM1.86m | 8:36AM1.91m | 8:47PM1.74m | 9:42AM1.80m | 9:59PM1.64m | 11:09AM1.76m | 11:33PM1.63m | 12:37PM1.83m | 00:59AM1.75m | 1:46PM1.97m | 2:04AM1.93m | 2:40PM2.11m | 2:56AM2.11m | |||||||
Low Tide | 2:13AM0.27m | 2:49PM0.52m | 3:09AM0.38m | 4:00PM0.64m | 4:28AM0.46m | 5:33PM0.66m | 6:00AM0.43m | 6:58PM0.55m | 7:20AM0.31m | 8:02PM0.38m | 8:21AM0.15m | 8:53PM0.21m | ||||||||
 |  |  | |  | | |  |  | | | | | | | | | | | | |
 | — | — | 5:30 | — | — | 5:30 | — | — | 5:30 | — | — | 5:28 | — | — | 5:28 | — | — | 5:28 | — | — |
 | 5:22 | — | — | 5:22 | — | — | 5:22 | — | — | 5:22 | — | — | 5:22 | — | — | 5:22 | — | — | 5:22 | — |
mm | 1 | 3 | — | — | — | 1 | — | — | — | — | 1 | — | — | 1 | 3 | — | — | 1 | — | — |
Temp °C | 26 | 24 | 27 | 26 | 24 | 26 | 26 | 25 | 27 | 27 | 25 | 27 | 26 | 25 | 27 | 27 | 24 | 27 | 26 | 24 |
Feels °C | 26 | 25 | 26 | 26 | 25 | 26 | 26 | 26 | 27 | 28 | 26 | 28 | 27 | 27 | 28 | 28 | 25 | 26 | 25 | 23 |
Swell 1 Height (m) Direction Period (s) | NNE 9 | NNE 9 | SSE 12 | SE 9 | SE 9 | SSE 10 | SSE 10 | SE 13 | SE 13 | SE 13 | SE 12 | SE 8 | SE 8 | SE 9 | NE 6 | SE 9 | N 10 | ESE 7 | ESE 8 | ESE 8 |
| kJ | 16 | 15 | 30 | 21 | 49 | 20 | 10 | 27 | 7 | 6 | 6 | 93 | 77 | 13 | 25 | 3 | 7 | 191 | 142 | 170 |
Swell 2 Height (m) Direction Period (s) | SSE 13 | SSE 13 | NNE 8 | SSE 12 | SE 11 | NNE 8 | SE 13 | SSE 10 | N 8 | N 11 | N 10 | SE 16 | SSE 9 | SSE 13 | S 12 | N 10 | E 13 | NNE 9 | NE 6 | NNE 9 |
| kJ | 18 | 17 | 7 | 27 | 29 | 7 | 7 | 10 | 1 | 2 | 2 | 10 | 8 | 18 | 12 | 2 | 4 | 8 | 8 | 8 |
Swell 3 Height (m) Direction Period (s) | N 10 | N 10 | N 9 | NNE 8 | NNE 8 | SE 13 | NNE 8 | NE 8 | N 10 | N 8 | N 7 | N 10 | SSE 15 | N 10 | N 10 | S 12 | SE 13 | SE 13 | NNE 9 | N 10 |
| kJ | 2 | 2 | 2 | 7 | 7 | 7 | 6 | 2 | 2 | 1 | 1 | 2 | 21 | 2 | 2 | 3 | 7 | 7 | 8 | 9 |
Wind waves Height (m) Direction Period (s) | ESE 8 | ESE 8 | ESE 8 | ESE 8 | ESE 7 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | ENE 5 | E 6 | E 7 | ESE 7 | E 7 | ESE 7 | — | — | SSE 3 |
| kJ | 335 | 372 | 300 | 226 | 197 | 284 | 232 | 207 | 262 | 250 | 201 | 48 | 77 | 203 | 203 | 245 | 252 | — | — | 6 |
Nearest Offshore or Glassy | ||||||||||||||||||||
Distance (km) | 1619 | 29 | 823 | 1619 | 1619 | 793 | 1640 | 1724 | 870 | 2033 | 2020 | 870 | 2046 | 2061 | 882 | 1640 | 1640 | 1619 | 1619 | 1053 |
Best forecast wave conditions in Rio Grande Do Norte | ||||||||||||||||||||
Best forecast wave conditions in Brazil | ||||||||||||||||||||
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Information about the Miami Surf forecast
The above surf forecast table for Miami provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Miami can be found by selecting the local surf guide option on the grey menu. Our Miami 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 (Miami) 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 Miami 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.
Miami is 8 km (5 miles) from the city of Natal. If you plan a holiday in Rio Grande Do Norte, look for hotels and other accommodation in Natal. Natal has rooms for a wide range of budgets as well as car hire and transport links.
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