Surf Forecasts:
21st Street (Miami) surf forecast from 20 Jun 2026:
- Most powerful swell: Thursday 25 Jun, 5PM (local time) - 2ft (0.6m), 4s period, SE swell with 14 kJ wave energy.
Best Forecast Surf Conditions for 21st Street (Miami) this week:
The most powerful waves expected at 21st Street (Miami) in the next 16 days are 0.6m 4s and forecast to arrive on Thursday (Jun 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 0.4m 4s period and expected on Saturday (Jun 20) at 8PM.
| Wave Type | Time (EDT) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | - | - |
| Best Surf | - | - |
| Most Powerful | 5PM (Thu 25th Jun) | 2ft (0.6m) 4s |
Table - best surf conditions forecast for 21st Street (Miami) over the next 16 days.
Updates in hr min s Forecast update imminent
Short Range ForecastHeavy rain (total 26mm), heaviest during Sat night. Warm (max 30°C on Sat afternoon, min 26°C on Sat night). Wind will be generally light. | Days 4-6 Weather SummaryModerate rain (total 13mm), heaviest on Thu afternoon. Warm (max 29°C on Tue morning, min 28°C on Tue morning). Wind will be generally light. | ||||||||||||||||||||
Saturday 20 | Sunday 21 | Monday 22 | Tuesday 23 | Wednesday 24 | Thursday 25 | Friday 26 | |||||||||||||||
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) | E 7 | S 4 | E 7 | E 7 | SSE 3 | E 7 | E 7 | E 7 | E 7 | ESE 4 | E 4 | SSE 4 | E 4 | SE 4 | E 8 | SE 4 | SE 4 | SE 4 | E 8 | SE 4 | E 8 |
Wave Graph  | |||||||||||||||||||||
 kJ | 4 | 9 | 4 | 4 | 1 | 1 | 1 | 4 | 4 | 6 | 4 | 8 | 1 | 3 | 5 | 10 | 14 | 10 | 5 | 10 | 7 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | cross | cross | cross-off | cross | glassy | cross-on | cross | cross-on | cross | cross-on | cross-on | cross-on | cross-on | cross | cross | cross-on | cross-on | cross-on | cross-on | cross-on |
High Tide | 1:34PM0.75m | 2:00AM0.77m | 2:37PM0.72m | 2:54AM0.72m | 3:38PM0.70m | 3:48AM0.69m | 4:38PM0.69m | 4:39AM0.67m | 5:33PM0.70m | 5:28AM0.66m | 6:23PM0.71m | 6:14AM0.65m | 7:08PM0.73m | ||||||||
Low Tide | 7:44PM0.01m | 8:20AM-0.00m | 8:44PM0.07m | 9:17AM0.01m | 9:44PM0.11m | 10:11AM0.01m | 10:42PM0.14m | 11:03AM0.01m | 11:36PM0.15m | 11:51AM0.00m | 00:25AM0.15m | 12:35PM-0.01m | 1:11AM0.14m | ||||||||
 | |  |  |  | | | |  | | | | | |  |  | |  | | | | |
 | 6:28 | — | — | 6:28 | — | — | 6:28 | — | — | 6:30 | — | — | 6:30 | — | — | 6:30 | — | — | 6:30 | — | — |
 | — | 8:14 | — | — | 8:14 | — | — | 8:14 | — | — | 8:15 | — | — | 8:15 | — | — | 8:15 | — | — | 8:15 | — |
mm | 3 | 2 | 15 | — | — | 3 | — | — | 3 | 1 | — | 2 | 2 | 1 | — | 3 | 4 | — | — | — | — |
Temp °C | 29 | 30 | 30 | 29 | 30 | 29 | 29 | 30 | 30 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 |
Feels °C | 32 | 31 | 33 | 31 | 31 | 32 | 31 | 32 | 33 | 32 | 31 | 31 | 32 | 31 | 30 | 32 | 31 | 30 | 31 | 31 | 30 |
Swell 1 Height (m) Direction Period (s) | SSE 4 | E 4 | SSE 4 | E 7 | E 7 | E 7 | E 7 | E 7 | E 7 | ESE 4 | SSE 4 | E 7 | SSE 4 | E 8 | E 8 | E 8 | E 8 | E 8 | E 4 | E 8 | E 8 |
| kJ | 3 | 1 | 3 | 4 | 1 | 1 | 1 | 4 | 4 | 6 | 5 | 1 | 1 | 1 | 5 | 5 | 5 | 5 | 3 | 5 | 5 |
Swell 2 Height (m) Direction Period (s) | E 7 | E 7 | E 7 | — | — | — | — | — | — | E 7 | E 4 | — | E 4 | E 4 | — | — | — | — | E 8 | — | — |
| kJ | 4 | 1 | 4 | — | — | — | — | — | — | 1 | 4 | — | 1 | 1 | — | — | — | — | 5 | — | — |
Swell 3 Height (m) Direction Period (s) | — | — | N 5 | — | — | — | — | — | — | — | E 7 | — | E 8 | — | — | — | — | — | — | — | — |
| kJ | — | — | 1 | — | — | — | — | — | — | — | 1 | — | 1 | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | — | S 4 | — | — | SSE 3 | — | — | SE 3 | SE 3 | S 4 | — | SSE 4 | — | SE 4 | SE 3 | SE 4 | SE 4 | SE 4 | SSE 4 | SE 4 | SE 4 |
| kJ | — | 9 | — | — | 1 | — | — | 2 | 2 | 4 | — | 8 | — | 3 | 1 | 10 | 14 | 10 | 5 | 10 | 7 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 865 | 324 | 407 | 862 | 324 | 1326 | 915 | 353 | 1149 | 862 | 359 | 923 | 353 | 731 | 472 | 448 | 359 | 448 | 448 | 886 | 895 |
Best forecast wave conditions in South Florida | |||||||||||||||||||||
Best forecast wave conditions in United States | |||||||||||||||||||||
Header Global | |||||||||||||||||||||
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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.
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