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21st Street (Miami) Surf Forecast
/ Florida – South (39 breaks) / Florida (155 breaks) /
Surf Forecasts:
21st Street (Miami) surfForecast / Florida – South / USA
48hr Weather and Surf, issued 7 pm Sunday 08 Mar 2026 EDTForecast update in hr min s Forecast update imminent
21st Street (Miami) surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's 21st Street (Miami) sea temperature is
24.7° C
(Which is 1.1°C warmer than normal for this time of year)How big are the waves at 21st Street (Miami) today?
The current surf forecast for 21st Street (Miami) at 2AM is: 0.8m 9s primary swell from a East-southeast direction and 0.3m 9s secondary swell from a Northeast direction (forecast issued at 07:00pm March 08). An open ocean swell of 0.2m 6s is not directed at the surf break. The wind direction is predicted to be cross-onshore.
| Time (EDT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (09 Mar) | 1.5ft (0.4m) | 9s |
| Afternoon (09 Mar) | 2ft (0.6m) | 9s |
| Evening (09 Mar) | 1.5ft (0.5m) | 9s |
Table - waves today at 21st Street (Miami). (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Sunday 08 | Monday 09 | Tuesday 10 | Wednesday 11 | |||||||||||||||||||||
| 5 PM | 8 PM | 11 PM | 2 AM | 5 AM | 8 AM | 11 AM | 2 PM | 5 PM | 8 PM | 11 PM | 2 AM | 5 AM | 8 AM | 11 AM | 2 PM | 5 PM | 8 PM | 11 PM | 2 AM | 5 AM | 8 AM | 11 AM | 2 PM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 5 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 4 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 44 | 81 | 80 | 110 | 25 | 25 | 25 | 56 | 62 | 39 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 14 | 14 | 14 | 18 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- on | on | on | cross- on | cross- on | on | on | on | on | on | on | on | on | on | on | on | on | on | on | on | on | on | on | cross- on |
High Tide / height (m) | 12:52AM 0.67 | 12:48PM 0.62 | 1:40AM 0.62 | 1:34PM 0.57 | 2:37AM 0.59 | |||||||||||||||||||
Low Tide / height (m) | 6:27PM -0.03 | 6:53AM 0.12 | 7:10PM 0.02 | 7:42AM 0.17 | 8:00PM 0.06 | 8:41AM 0.20 | ||||||||||||||||||
Sunday 08 | Monday 09 | Tuesday 10 | Wednesday 11 | |||||||||||||||||||||
| Sunrise | - | - | - | - | - | 7:35 | - | - | - | - | - | - | - | 7:35 | - | - | - | - | - | - | - | 7:33 | - | - |
| Sunset | 7:24 | - | - | - | - | - | - | - | 7:25 | - | - | - | - | - | - | - | 7:25 | - | - | - | - | - | - | - |
 |  | | | | | | | | | | | | | | | | | | | | | | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 25 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 23 | 23 | 24 | 24 | 24 |
| Feels °C (?) | 26 | 25 | 24 | 24 | 25 | 25 | 25 | 25 | 24 | 25 | 24 | 24 | 25 | 25 | 24 | 24 | 24 | 24 | 24 | 22 | 22 | 24 | 23 | 23 |
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