21st Street (Miami) Surf Break

Lat Long: 25.80° N 80.13° W

21st Street (Miami) 48 hour detailed Surf Forecast

Issued: 1 am 20 Oct 2026 (local time)

Forecast update in  hr  min

Today's 21st Street (Miami) sea temperature is
29.4°C
1.9° 

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 Oct):

  • Morning surf: Morning surf (20 Oct, local time) - 8ft (2.5m), 12s period with NNE swell.
  • Afternoon surf: Afternoon surf (20 Oct, local time) - 8ft (2.4m), 12s period with NNE swell.
  • Evening surf: Evening surf (20 Oct, local time) - 7ft (2.2m), 12s period with NNE swell.

The current surf forecast for 21st Street (Miami) at 8AM is: 2.5m 12s primary swell from a North-northeast direction and 0.1m 9s secondary swell from a East direction (forecast issued at 01:00am October 20). The wind direction is predicted to be cross-onshore.

Time (EDT) & DateWave HeightWave Period
Morning (20 Oct)8ft (2.5m)12s
Afternoon (20 Oct)8ft (2.4m)12s
Evening (20 Oct)7ft (2.2m)12s

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


Short Range Forecast

Light rain (total 8mm), mostly falling on Thu afternoon. Warm (max 27°C on Tue afternoon, min 25°C on Tue night). Mainly fresh winds.

Tuesday
20
Wednesday
21
Thursday
22
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
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
0
0
0
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
2.5
NNE
12
2.5
NNE
12
2.5
NNE
12
2.5
NNE
12
2.4
NNE
12
2.2
NNE
12
2.2
NNE
12
2.2
NE
12
2.1
NNE
12
2
NNE
12
2
NNE
12
1.9
NE
11
1.6
NNE
11
1.5
NNE
11
1.6
NE
11
1.7
NNE
11
1.7
NNE
11
1.7
NNE
11
1.7
NNE
11
1.8
NE
11
1.8
NE
11
1.8
NE
12
1.8
NE
12
1.7
NE
12
Wave Graph
Metric surfscale
Energy kJ
1937
1969
1810
1780
1633
1450
1474
1344
1236
1119
1100
866
628
527
593
645
645
645
657
799
828
872
902
836
Wind (km/h)
30
NE
30
NE
30
NE
35
NE
30
NE
30
NE
30
NE
30
NNE
30
NE
25
NE
25
NNE
25
NE
20
NE
20
NE
20
NE
20
NE
20
NE
20
NE
20
NE
25
NE
30
NE
30
NE
30
NE
25
NE
Wind State
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
High Tide
4:03AM0.78m
4:40PM0.84m
5:03AM0.83m
5:28PM0.87m
5:55AM0.89m
6:12PM0.91m
Low Tide
10:17AM0.33m
10:55PM0.34m
11:14AM0.30m
11:42PM0.27m
12:04PM0.27m
clear
clear
clear
cloud
part cloud
part cloud
part cloud
clear
thunderstorm
thunderstorm
part cloud
clear
clear
clear
clear
clear
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
part cloud
part cloud
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
—
7:20
—
—
—
—
—
—
—
7:22
—
—
—
—
—
—
—
7:22
—
—
—
—
—
—
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
—
—
—
—
—
6:47
—
—
—
—
—
—
—
6:46
—
—
—
—
—
—
—
6:45
—
—
 mm
—
—
—
—
—
—
—
—
1
1
—
—
—
—
—
—
1
1
1
1
2
—
—
—
Temp °C
26
26
26
26
27
27
26
25
25
25
25
26
27
26
27
26
25
25
25
25
25
26
26
26
Feels °C
23
24
24
22
24
24
23
23
23
23
22
23
24
23
25
25
25
25
24
23
22
23
22
23
  • 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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