21st Street (Miami) Surf Break

Lat Long: 25.80° N 80.13° W

21st Street (Miami) 48 hour detailed Surf Forecast

Issued: 1 pm 08 Aug 2026 (local time)

Forecast update in  hr  min

Today's 21st Street (Miami) sea temperature is
30.2° C
0.6° 

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 (08 Aug):

  • Morning surf: Morning surf (08 Aug, local time) - 3ft (0.9m), 5s period with ESE swell.
  • Afternoon surf: Afternoon surf (08 Aug, local time) - 1.5ft (0.4m), 8s period with E swell.
  • Evening surf: Evening surf (08 Aug, local time) - 2.5ft (0.7m), 8s period with E swell.

The current surf forecast for 21st Street (Miami) at 6PM is: 0.4m 8s primary swell from a East direction and 0.4m 4s secondary swell from a East direction (forecast issued at 01:00pm August 08). An open ocean swell of 0.4m 5s is not directed at the surf break. The wind direction is predicted to be onshore.

Time (EDT) & DateWave HeightWave Period
Morning (08 Aug)3ft (0.9m)5s
Afternoon (08 Aug)1.5ft (0.4m)8s
Evening (08 Aug)2.5ft (0.7m)8s

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


Short Range Forecast

Mostly dry. Warm (max 29°C on Sat afternoon, min 28°C on Sun night). Wind will be generally light.

Sat
8
Sunday
9
Monday
10
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)
0.8
ESE
5
0.4
E
8
0.4
E
8
0.6
E
8
0.7
E
8
0.7
ESE
4
0.8
ESE
4
0.7
ESE
4
0.8
ESE
4
0.7
ESE
4
0.3
E
8
0.6
E
7
0.8
E
4
0.9
ESE
4
0.9
ESE
5
0.8
ESE
5
0.6
E
4
0.7
SE
5
0.5
E
4
0.5
E
4
0.6
E
4
Wave Graph
Metric surfscale
Energy kJ
24
21
21
47
63
18
21
18
20
16
10
39
20
36
35
28
12
22
8
7
9
Wind (km/h)
15
SE
15
ESE
15
ESE
20
E
25
E
25
ESE
25
ESE
20
ESE
20
ESE
20
ESE
20
E
20
E
25
E
25
ESE
20
ESE
20
ESE
20
ESE
20
ESE
15
E
20
E
20
E
Wind State
cross-on
cross-on
on
on
on
on
cross-on
cross-on
cross-on
on
on
on
on
on
cross-on
on
cross-on
on
on
on
on
High Tide
5:20PM0.79m
5:24AM0.77m
6:23PM0.84m
6:30AM0.81m
7:21PM0.88m
Low Tide
10:44AM-0.02m
11:25PM0.14m
11:51AM-0.05m
00:30AM0.10m
12:53PM-0.08m
thunderstorm
clear
clear
clear
clear
clear
clear
part cloud
clear
clear
clear
clear
clear
clear
part cloud
clear
clear
clear
clear
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:50
6:50
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
8:01
8:00
8:00
 mm
1
Temp °C
29
29
29
29
29
29
29
29
29
29
29
29
29
28
29
29
29
29
29
29
29
Feels °C
31
31
31
31
30
30
30
30
30
30
30
30
30
29
31
31
30
31
31
31
31
  • 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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