Surf Forecasts:
21st Street (Miami) surf forecast from 23 Sep 2026:
- Best quality surf: Friday 25 Sep, 2AM (local time) - 4ft (1.2m), 12s period, NNE swell with cross-offshore winds.
- Most powerful swell: Friday 25 Sep, 5PM (local time) - 6ft (1.9m), 12s period, NNE swell with 997 kJ wave energy.
- Next surfable swell (1★+): Thursday 24 Sep, 11PM (local time) - 1.5ft (0.5m), 12s period with NNE swell.
Best Forecast Surf Conditions for 21st Street (Miami) this week:
The surf forecast for 21st Street (Miami) over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Thursday (Sep 24) at 11PM. The primary swell is predicted to be 0.5m and 12s period with a secondary swell of 0.7m and 8s. Another secondary swell of 0.2m and 3s is also forecast. The wind is predicted to be glassy as the swell arrives.
The most powerful waves expected at 21st Street (Miami) in the next 16 days are 1.9m 12s and forecast to arrive on Friday (Sep 25) at 5PM. Winds are predicted to be cross-onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.3m 4s period and expected on Thursday (Sep 24) at 5AM.
| Wave Type | Time (EDT) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 11PM (Thu 24th Sep) | 1.5ft (0.5m) 12s |
| Best Surf | 2AM (Fri 25th Sep) | 4ft (1.2m) 12s |
| Most Powerful | 5PM (Fri 25th Sep) | 6ft (1.9m) 12s |
Table - best surf conditions forecast for 21st Street (Miami) over the next 16 days.
Short Range ForecastModerate rain (total 12mm), heaviest on Wed afternoon. Warm (max 29°C on Fri afternoon, min 26°C on Wed afternoon). Wind will be generally light. | Days 4-6 Weather SummaryLight rain (total 5mm), mostly falling on Sat night. Warm (max 28°C on Sat afternoon, min 26°C on Sat night). Wind will be generally light. | ||||||||||||||||||||
Wednesday 23 | Thursday 24 | Friday 25 | Saturday 26 | Sunday 27 | Monday 28 | Tuesday 29 | |||||||||||||||
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) | SSE 5 | SSE 4 | SE 4 | NNE 7 | NNE 8 | NNE 12 | NNE 12 | NNE 12 | NNE 12 | NNE 12 | NNE 12 | NNE 12 | NNE 12 | NNE 12 | NNE 12 | NNE 11 | NE 11 | NNE 10 | NNE 10 | NNE 9 | NE 9 |
Wave Graph  | |||||||||||||||||||||
 kJ | 24 | 13 | 16 | 7 | 23 | 399 | 689 | 997 | 997 | 802 | 710 | 636 | 545 | 472 | 371 | 223 | 169 | 67 | 36 | 32 | 21 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross-on | cross | cross-on | on | cross-off | cross | cross-on | cross-on | cross-on | on | cross-on | cross-on | on | on | glassy | cross-on | cross-on | cross | cross | cross-on |
High Tide | 6:57PM0.88m | 7:13AM0.90m | 7:34PM0.92m | 7:54AM0.96m | 8:11PM0.96m | 8:35AM1.01m | 8:47PM0.98m | 9:15AM1.04m | 9:24PM1.00m | 9:57AM1.06m | 10:04PM1.00m | 10:41AM1.05m | 10:46PM0.98m | ||||||||
Low Tide | 12:41PM0.20m | 1:06AM0.21m | 1:24PM0.17m | 1:43AM0.15m | 2:04PM0.14m | 2:20AM0.09m | 2:43PM0.12m | 2:58AM0.05m | 3:23PM0.12m | 3:37AM0.02m | 4:04PM0.13m | 4:19AM0.02m | 4:47PM0.16m | ||||||||
 |  |  |  | | |  | |  | | | | | | |  | |  |  | | | |
 | 7:09 | — | — | 7:09 | — | — | 7:09 | — | — | 7:09 | — | — | 7:09 | — | — | 7:11 | — | — | 7:11 | — | — |
 | — | 7:15 | — | — | 7:15 | — | — | 7:14 | — | — | 7:12 | — | — | 7:10 | — | — | 7:09 | — | — | 7:08 | — |
mm | 2 | 6 | 2 | — | — | 1 | — | — | 1 | — | — | 3 | — | — | 2 | — | — | — | 1 | 4 | 7 |
Temp °C | 27 | 26 | 26 | 28 | 28 | 28 | 28 | 29 | 28 | 27 | 28 | 27 | 27 | 28 | 27 | 27 | 28 | 28 | 28 | 28 | 28 |
Feels °C | 28 | 28 | 29 | 31 | 30 | 31 | 29 | 29 | 28 | 28 | 29 | 28 | 29 | 30 | 28 | 31 | 31 | 29 | 30 | 29 | 31 |
Swell 1 Height (m) Direction Period (s) | NE 7 | NE 7 | NNE 7 | NNE 7 | NNE 8 | NNE 12 | NNE 12 | NNE 12 | NNE 12 | NNE 12 | NNE 12 | NNE 12 | NNE 12 | NNE 12 | NNE 12 | NNE 11 | NE 11 | NNE 10 | NNE 10 | NNE 9 | NE 9 |
| kJ | 8 | 7 | 5 | 4 | 23 | 399 | 689 | 997 | 997 | 802 | 710 | 636 | 545 | 472 | 371 | 223 | 169 | 67 | 36 | 32 | 21 |
Swell 2 Height (m) Direction Period (s) | E 7 | E 7 | NE 15 | S 4 | NNE 6 | NNE 8 | — | — | — | — | — | E 8 | — | — | — | E 4 | E 10 | E 10 | E 14 | E 9 | E 13 |
| kJ | 1 | 1 | 8 | 1 | 4 | 67 | — | — | — | — | — | 1 | — | — | — | 1 | 2 | 2 | 4 | 2 | 4 |
Swell 3 Height (m) Direction Period (s) | — | NE 16 | E 7 | NE 14 | S 4 | — | — | — | — | — | — | — | — | — | — | — | — | E 7 | E 14 | E 14 | E 8 |
| kJ | — | 10 | 1 | 7 | 1 | — | — | — | — | — | — | — | — | — | — | — | — | 1 | 4 | 4 | 1 |
Wind waves Height (m) Direction Period (s) | SSE 5 | SSE 4 | SE 4 | ENE 3 | NE 3 | N 3 | — | — | — | — | — | — | — | — | ENE 3 | — | — | — | — | SE 2 | — |
| kJ | 24 | 13 | 16 | 2 | 3 | 1 | — | — | — | — | — | — | — | — | 2 | — | — | — | — | 1 | — |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 407 | 325 | 232 | 353 | 314 | 3 | 324 | 292 | 596 | 841 | 845 | 338 | 292 | 338 | 292 | 3 | 292 | 292 | 292 | 338 | 1149 |
Best forecast wave conditions in South Florida | |||||||||||||||||||||
Best forecast wave conditions in United States | |||||||||||||||||||||
Header Global | |||||||||||||||||||||
- Map Icons:
Break
Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
FREE! Surf-Forecast.com widget for your website
The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our 21st Street (Miami) 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 21st Street (Miami) Surf forecast
The above surf forecast table for 21st Street (Miami) provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at 21st Street (Miami) can be found by selecting the local surf guide option on the grey menu. Our 21st Street (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 (21st Street (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 21st Street (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.
21st Street (Miami) is 1 km (1 miles) from the city of Miami Beach. If you plan a vacation in South Florida, look for hotels and other accommodation in Miami Beach. Miami Beach has rooms for a wide range of budgets as well as car hire and transport links.
Nearest