21st Street (Miami) Surf Break

Lat Long: 25.80° N 80.13° W

21st Street (Miami) 48 hour detailed Surf Forecast

Issued: 1 pm 20 Aug 2026 (local time)

Forecast update in  hr  min

Today's 21st Street (Miami) sea temperature is
30.7° C
1.1° 

21st Street (Miami) surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.


How big are the waves at 21st Street (Miami) today (20 Aug):

  • Morning surf: Morning surf (20 Aug, local time) - 0.5ft (0.2m), 8s period with E swell.
  • Afternoon surf: Afternoon surf (20 Aug, local time) - 0.5ft (0.2m), 8s period with E swell.
  • Evening surf: Evening surf (20 Aug, local time) - 0.5ft (0.2m), 8s period with E swell.

The current surf forecast for 21st Street (Miami) at 6PM is: 0.2m 8s primary swell from a East direction and 0.1m 9s secondary swell from a Northeast direction, 0.5m 3s secondary swell from a South direction (forecast issued at 01:00pm August 20). The wind direction is predicted to be cross-shore.

Time (EDT) & DateWave HeightWave Period
Morning (20 Aug)0.5ft (0.2m)8s
Afternoon (20 Aug)0.5ft (0.2m)8s
Evening (20 Aug)0.5ft (0.2m)8s

Table - waves today at 21st Street (Miami). (Swell directed towards the surf break)


Short Range Forecast

Moderate rain (total 16mm), heaviest on Thu night. Warm (max 31°C on Thu afternoon, min 27°C on Sat afternoon). Mainly fresh winds.

Thu
20
Friday
21
Saturday
22
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
5 PM
8 PM
11 PM
Rating
(10 max)
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
0.2
E
8
0.2
E
8
0.2
E
8
0.2
E
8
0.2
E
8
0.2
E
8
0.2
E
8
0.2
E
8
0.2
E
8
0.2
E
8
0.2
E
8
0.2
E
8
0.2
E
8
0.2
E
8
0.2
E
9
0.2
E
9
0.2
E
9
0.2
E
9
0.2
E
8
0.2
E
8
0.2
E
8
Wave Graph
Metric surfscale
Energy kJ
6
6
6
6
6
6
6
6
5
5
5
5
5
5
6
6
6
6
6
6
5
Wind (km/h)
10
SSW
20
SSE
20
S
15
S
10
SSE
25
SSE
15
S
10
SSW
10
S
20
SSE
20
SSE
15
SSE
15
SSE
15
SSE
5
SSE
0
SW
5
ESE
30
SE
20
SSE
15
S
20
SE
Wind State
cross-off
cross-on
cross
cross-off
cross
cross
cross
cross-off
cross
cross
cross
cross
cross
cross
glassy
glassy
cross-on
cross-on
cross
cross
cross-on
High Tide
3:11PM0.71m
3:05AM0.66m
4:14PM0.70m
4:07AM0.65m
5:15PM0.71m
Low Tide
8:36AM0.13m
9:13PM0.28m
9:34AM0.16m
10:18PM0.30m
10:35AM0.16m
clear
thunderstorm
thunderstorm
thunderstorm
thunderstorm
part cloud
cloud
part cloud
part cloud
part cloud
part cloud
thunderstorm
thunderstorm
cloud
cloud
part cloud
part cloud
thunderstorm
part cloud
part cloud
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:54
6:56
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
7:52
7:51
7:50
 mm
1
1
2
3
2
3
2
Temp °C
30
31
31
30
30
29
29
28
29
29
29
29
29
29
29
28
29
29
27
28
28
Feels °C
33
33
32
32
34
31
32
31
33
31
31
32
32
32
34
33
33
27
26
29
29
  • Map Icons:
  • Break
  • Live Wave Height (m)
  • Live Wind Speed (km/h)
  • Surf Rating (10 Max)
  • Ocean Swells (m)
  • Wind Speed (km/h)
Map placeholder
How to use the Wavefinder 

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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.


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