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

information circle48hr Weather and Surf, issued 1 am Sunday 17 Aug 2025 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
30.8° C
 (Which is 1.2°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 5AM is: 0.2m 9s primary swell from a East direction and 0.1m 5s secondary swell from a East direction, 0.3m 3s secondary swell from a East-southeast direction (forecast issued at 01:00am August 17). The wind direction is predicted to be cross-onshore.

Time (EDT) & DateWave HeightWave Period
Morning (17 Aug)0.5ft (0.2m)9s
Afternoon (17 Aug)0.5ft (0.2m)9s
Evening (17 Aug)1ft (0.3m)9s

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

Hourly12 Days
South Florida Surf
Print Surf Table
Updates in  hr  min  s Forecast update imminent 
Sunday
17
Monday
18
Tuesday
19
11 PM2 AM5 AM8 AM11 AM2 PM5 PM8 PM11 PM2 AM5 AM8 AM11 AM2 PM5 PM8 PM11 PM2 AM5 AM8 AM11 AM2 PM5 PM8 PM
Rating
(10 max)
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
2
2
2
0
0
0
Swell
Height Map
See all maps
Wave Height (m) & direction (?)
0.2
E
0.2
E
0.2
E
0.2
E
0.2
E
0.2
E
0.2
E
0.3
E
0.3
E
0.2
E
0.3
E
0.3
E
0.4
E
0.6
E
0.5
E
0.7
E
0.8
E
0.9
E
1
E
1.1
E
1.2
E
1.2
E
1.1
E
1.1
E
Period(s) (?)1099999998161514131313151516161515141414
Wave
Graph
(?)Metric surfscale
Energy (?)1414111191313201936534871130151243308418512650745714571700
Wind
(km/h)
15
E
15
ESE
15
ESE
15
SE
10
SE
15
SE
15
SE
10
SE
10
SE
5
ESE
5
ESE
5
E
5
NE
15
E
15
E
10
E
10
NE
10
NE
10
NNW
15
NNW
15
NNW
20
ENE
20
NE
20
NE
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
oncross-
on		cross-
on		cross-
on		cross-
on		cross-
on		cross-
on		cross-
on		cross-
on		glassononcross-
on		onononcross-
on		cross-
on		cross-
off		cross-
off		cross-
off		cross-
on		cross-
on		cross-
on
High Tide
/ height (m)
3:00AM
0.76
4:06PM
0.80
4:10AM
0.75
5:16PM
0.81
5:21AM
0.77
6:20PM
0.83
Low Tide
/ height (m)
9:01PM
0.18
9:29AM
0.02
10:12PM
0.20
10:40AM
0.02
11:24PM
0.19
11:47AM
0.02
Sunday
17
Monday
18
Tuesday
19
Sunrise---6:54-------6:54-------6:54----
Sunset------7:53-------7:52-------7:52-
clearthunderstorm clearclearclearclearclearthunderstorm clearclearclearclearclearclearclearcloudpart cloudthunderstorm clearclearclearcloudthunderstorm thunderstorm
Rain (mm)
-2-----1---------1----11
Temp. °C292929292930292929292828293030302929292930313030
Feels °C (?)323232323233313232333132333232333233323131323131
  • 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

Eyeball surf reportRecent Eyeball Surf Reports for Florida - South

  1. weather stationWind Update Wind reports 8 km away suggest it is still onshore at 21st Street (Miami) (light winds from the E at BUOY-VAKF1). 0.2m 3s local chop from the E to make surfable waves.

    1 hour 34 minutes ago 21st Street (Miami)
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1 h 34 min ago

11 km/h
E
Onshore
Please reload the page to see if there are any updates.

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The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our 21st Street (Miami) surf forecast. Simply grab the html code snippet that we provide and paste it into your own site. You can choose your preferred language and metric/imperial units for the surf forecast feed to suit users of your site. Click here to get the code.

View detailed surf forecast for 21st Street (Miami) at:
surf-forecast.com

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