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

information circle48hr Weather and Surf, issued 7 am Thursday 28 May 2026 EDT
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
28.4° C
(Which is slightly warmer than usual)

How big are the waves at 21st Street (Miami) today (28 May):

  • Morning surf: Morning surf (28 May, local time) - 2.5ft (0.7m), 5s period with SSE swell.
  • Afternoon surf: Afternoon surf (28 May, local time) - 3ft (0.9m), 5s period with SE swell.
  • Evening surf: Evening surf (28 May, local time) - 2ft (0.6m), 5s period with SSE swell.

The current surf forecast for 21st Street (Miami) at 3PM is: 0.9m 5s primary swell from a Southeast direction and 0.3m 8s secondary swell from a East direction, 0.3m 8s secondary swell from a Northeast direction (forecast issued at 07:00am May 28). The wind direction is predicted to be cross-shore.

Time (EDT) & DateWave HeightWave Period
Morning (28 May)2.5ft (0.7m)5s
Afternoon (28 May)3ft (0.9m)5s
Evening (28 May)2ft (0.6m)5s

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


Updates in  hr  min  s Forecast update imminent

Short Range Forecast

Heavy rain (total 39mm), heaviest during Thu night. Warm (max 29°C on Sat afternoon, min 25°C on Thu night). Wind will be generally light.

Thursday
28
Friday
29
Saturday
30
Sun
31
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
2 AM
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 MapHeight MapHeight Map
Height MapHeight MapHeight Map
Height MapHeight MapHeight Map
Height MapHeight MapHeight Map
Wave
Height (m)
Direction
Period (s)
1
SE
5
0.7
SSE
5
0.7
SSE
5
0.9
SE
5
0.9
SE
5
0.6
SSE
5
0.2
E
8
0.4
SSE
5
0.4
SSE
5
0.2
E
8
0.3
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
0.1
E
8
Wave Graph
Metric surfscale
Energy kJ
53
27
29
45
36
19
5
7
7
5
12
5
5
6
5
5
5
5
5
5
5
5
5
1
Wind (km/h)
20
SE
20
SSE
20
SSE
20
SSE
20
SSE
15
S
10
S
5
SSE
15
SE
15
SE
15
S
20
S
20
S
20
SSW
15
SW
15
SW
15
SW
10
WSW
10
WSW
10
SSE
5
NNE
5
WSW
5
NW
10
W
cross-on
cross-on
cross-on
cross
cross
cross
cross
glassy
cross-on
cross-on
cross
cross
cross
cross-off
cross-off
cross-off
cross-off
off
cross-off
cross
glassy
glassy
glassy
off
High Tide
6:51AM0.72m
7:35PM0.79m
7:30AM0.72m
8:14PM0.80m
8:07AM0.72m
8:51PM0.80m
Low Tide
1:08PM-0.03m
1:38AM0.11m
1:46PM-0.04m
2:17AM0.11m
2:23PM-0.05m
part cloud
thunderstorm
part cloud
part cloud
thunderstorm
thunderstorm
mod rain
mod rain
thunderstorm
thunderstorm
part cloud
part cloud
thunderstorm
thunderstorm
thunderstorm
thunderstorm
part cloud
thunderstorm
part cloud
cloud
thunderstorm
cloud
cloud
cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:28
6:28
6:28
6:28
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
8:05
8:06
8:06
8:07
2
1
1
7
9
4
1
3
3
3
2
1
2
Temp °C
26
27
27
27
27
27
27
25
25
26
27
28
28
28
28
27
27
26
28
29
29
29
29
29
27
28
28
28
27
29
30
29
27
27
28
29
29
29
30
29
29
28
31
31
32
32
31
30
Swell 1
Height (m)
Direction
Period (s)
0.3
E
8
0.6
E
5
0.6
E
5
0.3
E
8
0.3
E
8
0.4
E
5
0.5
S
5
0.3
E
5
0.2
E
4
0.2
E
8
0.3
E
8
0.2
E
8
0.2
E
8
0.2
E
8
0.2
E
8
0.2
E
8
0.3
S
3
0.2
S
3
0.2
SSW
3
0.2
E
8
0.2
E
8
0.2
E
8
0.2
E
8
0.3
S
3
Energy kJ
13
20
20
12
12
7
11
4
2
5
12
5
5
5
5
5
2
1
1
5
5
5
5
2
Swell 2
Height (m)
Direction
Period (s)
0.3
NE
8
0.3
E
8
0.3
E
8
0.3
NE
8
0.1
NE
8
0.2
E
8
0.3
E
5
0.2
E
8
0.2
E
8
0.2
E
4
0.1
NE
8
0.1
NE
8
0.1
NE
8
0.1
NE
8
0.1
NE
8
0.1
NE
8
0.2
E
8
0.2
E
8
0.2
E
8
0.2
S
3
0.1
NE
8
0.1
NE
8
0.1
NE
8
0.1
E
8
Energy kJ
9
12
12
9
2
5
4
5
5
2
3
3
3
2
2
2
5
5
5
1
3
3
3
1
Swell 3
Height (m)
Direction
Period (s)
0.3
NE
8
0.3
NE
8
0.1
NE
8
0.2
E
8
0.1
NE
8
0.1
NE
8
0.1
NE
8
0.1
E
8
0.1
NE
8
0.1
NE
8
0.1
NE
8
0.1
NE
8
Energy kJ
9
9
2
5
2
2
2
1
2
2
2
3
Wind waves
Height (m)
Direction
Period (s)
1
SE
5
0.7
SSE
5
0.7
SSE
5
0.9
SE
5
0.9
SE
5
0.6
SSE
5
0.4
SSE
5
0.4
SSE
5
0.3
SSE
4
0.3
SSE
4
0.4
SSE
3
0.4
SSE
3
0.5
S
3
0.4
S
3
0.4
SSW
3
0.2
WSW
2
0.2
W
3
0.3
SE
2
0.4
SSE
3
0.4
SSW
3
Energy kJ
53
27
29
45
36
19
7
7
4
4
2
3
6
4
3
1
1
1
3
3
Nearest Offshore or Glassy
Rating
(10 max)
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
Distance (km)
173
173
272
338
314
254
129
129
234
234
234
353
324
728
448
448
448
448
407
327
353
369
369
325
Best forecast wave conditions in South Florida
Rating
(10 max)
1
1
Best forecast wave conditions in United States
Rating
(10 max)
1
2
2
2
2
2
2
2
1
2
2
1
1
1
1
2
2
2
2
1
1
1
2
2
Header Global
Rating
(10 max)
8
9
7
7
7
7
5
5
5
5
5
4
5
5
5
5
5
5
6
8
7
7
7
7
  • 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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