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Surf Forecasts:

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

information circle48hr Weather and Surf, issued 7 am Monday 18 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 1.4°C warmer than normal for this time of year)

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

The current surf forecast for 21st Street (Miami) at 4PM is: 1.3m 5s primary swell from a East direction and 0.1m 10s secondary swell from a Northeast direction, 0.1m 11s secondary swell from a North direction (forecast issued at 07:00am May 18). The wind direction is predicted to be onshore.

Time (EDT) & DateWave HeightWave Period
Morning (18 May)4.5ft (1.3m)5s
Afternoon (18 May)4.5ft (1.3m)5s
Evening (18 May)4.5ft (1.3m)5s

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

Updates in  hr  min  s Forecast update imminent 
16 DaysHourly
Print Table

Short Range Forecast

Moderate rain (total 14mm), heaviest on Mon morning. Warm (max 27°C on Mon morning, min 26°C on Mon morning). Mainly fresh winds.

Monday
18
Tuesday
19
Wednesday
20
Thu
21
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)
1.3
E
5
1.3
E
5
1.3
E
5
1.3
E
5
1.3
E
5
1.3
E
5
1.3
E
5
1.4
E
6
1.4
E
6
1.4
E
6
1.3
E
6
1.1
ENE
6
1
ENE
5
1
ENE
5
1.2
E
5
1.2
E
5
1.1
E
5
1.1
E
5
1
E
5
1
E
5
0.7
E
5
0.8
E
5
0.9
E
4
1.1
E
5
Wave Graph
Metric surfscale
Energy kJ
97
97
97
93
90
90
94
117
121
121
106
77
60
56
73
71
62
62
50
46
23
28
29
54
Wind (km/h)
25
E
25
E
30
E
30
E
30
E
30
E
30
E
30
E
30
E
25
E
25
E
25
E
25
E
30
E
25
E
30
E
25
ESE
25
ESE
25
E
25
E
25
E
25
E
30
E
25
ESE
Wind State
on
on
on
on
on
on
on
on
on
on
on
on
on
on
on
on
cross-on
on
on
on
on
on
on
on
High Tide
9:52AM0.88m
10:38PM0.95m
10:46AM0.85m
11:33PM0.91m
11:44AM0.81m
00:30AM0.86m
Low Tide
3:54AM-0.03m
4:11PM-0.20m
4:47AM-0.01m
5:05PM-0.15m
5:43AM0.01m
6:03PM-0.09m
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
clear
part cloud
cloud
clear
thunderstorm
thunderstorm
thunderstorm
clear
thunderstorm
thunderstorm
clear
thunderstorm
clear
part cloud
clear
thunderstorm
thunderstorm
clear
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:33
—
—
—
—
—
—
—
6:33
—
—
—
—
—
—
—
6:31
—
—
—
—
—
—
6:31
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
—
—
—
—
—
8:00
—
—
—
—
—
—
—
8:00
—
—
—
—
—
—
—
8:00
—
8:01
 mm
2
2
1
1
1
—
—
—
—
1
2
1
—
1
1
—
1
—
—
—
1
1
—
—
Temp °C
26
26
27
27
27
27
27
27
26
26
26
27
27
27
27
27
27
26
27
27
27
27
27
27
Feels °C
25
25
26
26
26
26
26
26
25
25
25
27
27
26
26
26
26
25
26
27
26
27
26
26
Swell 1
Height (m)
Direction
Period (s)
0.1
NE
11
0.1
NE
11
0.1
NE
10
0.1
NE
10
0.3
SSE
5
0.1
NE
8
0.3
SSE
5
0.1
NE
10
0.1
NE
10
0.3
SSE
5
0.3
SSE
5
0.4
SE
5
0.4
SE
5
0.3
SSE
5
0.2
SSE
5
0.1
NE
8
0.2
E
9
0.1
NE
8
0.3
E
8
0.1
NE
9
0.4
SSE
5
0.4
SSE
5
0.4
SSE
5
0.1
NE
9
Energy kJ
5
4
4
4
5
3
5
4
4
5
5
6
6
5
2
3
6
3
12
3
9
10
9
3
Swell 2
Height (m)
Direction
Period (s)
0.1
NE
11
—
—
—
0.1
N
11
0.1
N
11
0.1
NE
10
0.1
NE
10
0.1
N
10
—
0.1
E
9
0.2
E
8
0.2
E
9
0.1
NE
8
0.1
NE
8
0.1
S
5
0.1
NE
8
0.1
NE
9
0.1
NE
9
0.4
E
8
0.3
E
8
0.1
NE
9
0.1
NE
9
0.1
E
9
Energy kJ
5
—
—
—
2
2
4
4
2
—
2
6
6
3
3
1
3
3
3
21
12
3
3
2
Swell 3
Height (m)
Direction
Period (s)
—
—
—
—
—
0.1
S
6
0.1
N
8
—
—
—
—
—
—
—
—
—
—
—
0.1
NE
9
0.4
NE
5
0.4
NE
5
0.1
NE
9
—
0.1
NE
9
Energy kJ
—
—
—
—
—
1
1
—
—
—
—
—
—
—
—
—
—
—
3
6
6
3
—
3
Wind waves
Height (m)
Direction
Period (s)
1.3
E
5
1.3
E
5
1.3
E
5
1.3
E
5
1.3
E
5
1.3
E
5
1.3
E
5
1.4
E
6
1.4
E
6
1.4
E
6
1.3
E
6
1.1
ENE
6
1
ENE
5
1
ENE
5
1.2
E
5
1.2
E
5
1.1
E
5
1.1
E
5
1
E
5
1
E
5
0.7
E
5
0.8
E
5
0.9
E
4
1.1
E
5
Energy kJ
97
97
97
93
90
90
94
117
121
121
106
77
60
56
73
71
62
62
50
46
23
28
29
54
Nearest Offshore or Glassy
Peenie Wally
Jamaica
Hatteras Light House
Carolina North
Hatteras Light House
Carolina North
Asuchillo Beach Break
Leon Province
El Transito
Leon Province
Domes (Rincon)
Puerto Rico
Palma Real
Mainland
Peenie Wally
Jamaica
Peenie Wally
Jamaica
Oceanic Pier
Carolina North
Pelican Poles
Carolina South
Pelican Poles
Carolina South
East End
Grand Cayman
East End
Grand Cayman
East End
Grand Cayman
Discovery Bay
Jamaica
Hunting Island
Carolina South
South Ponte Vedra Beach
Florida - North
The Washout
Carolina South
Domes (Rincon)
Puerto Rico
Jamaica Beach
Texas
Rehoboth Main
Delaware
Peenie Wally
Jamaica
Main Street Pier
Florida - North
Rating
(10 max)
1
1
1
2
2
1
1
2
1
1
1
1
2
2
2
2
1
1
1
1
1
1
1
2
Distance (km)
915
1137
1137
1686
1677
1560
1293
915
915
959
845
845
731
731
731
862
728
484
765
1560
1511
1512
915
382
Best forecast wave conditions in South Florida
Rating
(10 max)
Best forecast wave conditions in United States
Rincon - Indicator
CAL - Ventura
Rincon - Rivermouth
CAL - Ventura
Cortez Bank
CAL - San Diego County
Cortez Bank
CAL - San Diego County
Cortez Bank
CAL - San Diego County
Cortez Bank
CAL - San Diego County
Cortez Bank
CAL - San Diego County
Cortez Bank
CAL - San Diego County
Cortez Bank
CAL - San Diego County
Cortez Bank
CAL - San Diego County
Swamis
CAL - San Diego County
Cortez Bank
CAL - San Diego County
Ogunquit Beach
Maine
Fox Hill Point
New Hampshire
Super Tubes
CAL - Ventura
Cortez Bank
CAL - San Diego County
Trestles (Uppers)
CAL - Orange County
Trestles (Uppers)
CAL - Orange County
Rincon - Rivermouth
CAL - Ventura
Haggerty's
CAL - LA County
Phillips Pump House
New Jersey
Elbow Ledge
Rhode Island
Super Tubes
CAL - Ventura
Flagler Pier
Florida - North
Rating
(10 max)
3
3
4
4
4
4
4
4
3
3
2
3
1
1
1
4
2
2
2
1
1
2
1
2
Header Global
Beach Road
South Africa
Avalon-North
Australia
Back Bommie
Australia
San Jorge - Faja dos Cubres
Portugal
Back Bommie
Australia
Back Bommie
Australia
Avalon-North
Australia
Black Rock
Australia
Bankvaults
Indonesia
Bankvaults
Indonesia
Bali Village
Indonesia
Bali Village
Indonesia
Bali Village
Indonesia
Bali Village
Indonesia
Cavalos de Fao
Portugal
Praia do Norte
Portugal
Achadas Da Cruz
Portugal
Anglet - Corsaires
France
Anglet - La Barre
France
Trial Harbour
Australia
Trial Harbour
Australia
Gas Bay
Australia
Anglet - Corsaires
France
Lambe Lambe
Brazil
Rating
(10 max)
4
4
4
5
4
4
4
4
4
4
4
4
4
4
5
5
4
4
4
5
5
5
4
5
  • Map Icons:
  • Break
  • Live Wave Height (m)
  • Live Wind Speed (km/h)
  • Surf Rating (10 Max)
  • Ocean Swells (m)
  • Wind Speed (km/h)
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View detailed surf forecast for 21st Street (Miami) at:
surf-forecast.com

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