21st Street (Miami) surfForecast / Florida – South / USA

information circle48hr Weather and Surf, issued 6 pm Tuesday 17 Feb 2026 EST
Forecast 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
22.8° C
(Which is slightly cooler than normal)


How big are the waves at 21st Street (Miami) today?

The current surf forecast for 21st Street (Miami) at 2AM is: 1.1m 8s primary swell from a North-northeast direction and 0.4m 14s secondary swell from a Northeast direction, 0.9m 5s secondary swell from a East direction (forecast issued at 06:00pm February 17). The wind direction is predicted to be cross-onshore.

Time (EST) & DateWave HeightWave Period
Morning (18 Feb)2.5ft (0.7m)12s
Afternoon (18 Feb)3.5ft (1.0m)11s
Evening (18 Feb)3ft (0.9m)11s

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

Updates in  hr  min  s Forecast update imminent
Tuesday
17
Wednesday
18
Thursday
19
Friday
20
4PM7PM10PM1AM4AM7AM10AM1PM4PM7PM10PM1AM4AM7AM10AM1PM4PM7PM10PM1AM4AM7AM10AM1PM
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
Wave Height (m) & direction (?)
1.2
NNE
1.3
NNE
1.2
NNE
1.1
NNE
1
NNE
0.7
NNE
0.9
NNE
1.1
NNE
1
NNE
1
NNE
0.9
NNE
0.9
NNE
0.9
NE
0.9
NE
0.9
NE
0.8
NNE
0.7
NE
0.7
NE
0.7
NE
0.7
NE
0.6
NE
0.6
NNE
0.6
NNE
0.5
NE
Period(s) (?)888881291111111111111212111112121212121212
Wave
Graph
(?)Metric surfscale
Energy kJ (?)1651961741571401251302912472422042151851921951661331401471541241019971
Wind
(km/h)
15
E
25
E
25
E
20
ESE
20
ESE
15
SE
20
SE
15
SE
15
SE
20
SE
15
SE
10
SE
10
SSE
10
S
10
SSE
10
SE
15
SE
15
SE
15
SE
15
SE
15
SSE
15
SSE
15
SSE
10
SSE
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
ononononcross-
on
cross-
on
cross-
on
cross-
on
cross-
on
cross-
on
cross-
on
cross-
on
crosscrosscross-
on
cross-
on
cross-
on
cross-
on
cross-
on
cross-
on
cross-
on
crosscrosscross-
on
High Tide
/ height (m)
8:17PM
0.76
8:40AM
0.78
8:58PM
0.78
9:17AM
0.78
9:41PM
0.80
9:56AM
0.78
Low Tide
/ height (m)
2:11PM
-0.07
2:28AM
-0.12
2:49PM
-0.11
3:08AM
-0.12
3:28PM
-0.14
3:50AM
-0.10
Tuesday
17
Wednesday
18
Thursday
19
Friday
20
Sunrise-----6:52-------6:52-------6:52--
Sunset6:14-------6:15-------6:15-------
clear
clear
part cloud
part cloud
part cloud
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
Rain (mm)
------------------------
Temp. °C232222222222222322222222222223232423232323232324
Feels °C (?)222020202121202221212223232324232422222223232325
  • 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

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