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

information circle12 Day Weather and Surf, issued 12 pm Tuesday 13 Jan 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
24.6° C
(Which is 1.1°C warmer than normal for this time of year)


Best Forecast Surf Conditions for 21st Street (Miami) this week:

The most powerful waves expected at 21st Street (Miami) in the next 12 days are 1.4m 7s and forecast to arrive on Friday (Jan 16) at 7AM. Winds are predicted to be cross-shore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.2m 5s period and expected on Thursday (Jan 15) at 10PM.

Wave TypeTime (EST) & Date Wave Height & Period
Next good surf (1 star+)--
Best Surf--
Most Powerful 7AM (Fri 16th Jan)4.5ft (1.4m) 7s

Table - best surf conditions forecast for 21st Street (Miami) over the next 12 days.

Updates in  hr  min  s Forecast update imminent

Short Range Forecast Moderate rain (total 11mm), heaviest on Tue morning. Warm (max 25°C on Wed afternoon, min 11°C on Thu night). Winds increasing (light winds from the SW on Tue night, fresh winds from the NW by Thu afternoon).

Days 3-6 Weather Summary Mostly dry. Warm (max 24°C on Sun afternoon, min 13°C on Sun night). Winds increasing (light winds from the E on Fri night, fresh winds from the NNW by Sun night).

Tuesday
13
Wednesday
14
Thursday
15
Friday
16
Saturday
17
Sunday
18
Monday
19
AMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNight
Rating
(10 max)
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 (?)
1.4
NE
1
NNE
0.8
NNE
0.6
NNE
0.4
NNE
0.3
NNE
0.2
E
0.2
E
1.3
N
1.3
NNE
1.1
NNE
0.9
NNE
0.5
NNE
0.4
NNE
0.3
NNE
0.4
NNE
0.2
E
1.1
N
0.8
N
0.9
NNE
0.7
NNE
Period(s) (?)677776886887666585666
Wave
Graph
(?)Metric surfscale
Energy kJ (?)14110454311885512721216378241379652415543
Wind
(km/h)
25
ENE
15
E
15
SE
15
SW
20
SW
20
WNW
30
WSW
35
NW
30
NNW
15
NNE
15
E
15
ESE
15
NE
20
NE
10
NE
20
N
20
NNW
30
NNW
20
N
25
NE
20
NE
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
ononcross-
on
cross-
off
cross-
off
offcross-
off
cross-
off
cross-
off
crossononcross-
on
cross-
on
cross-
on
crosscross-
off
cross-
off
crosscross-
on
cross-
on
High Tide
/ height (m)
4:04PM
0.60
5:07AM
0.66
4:56PM
0.60
5:54AM
0.69
5:44PM
0.62
6:37AM
0.71
6:30PM
0.64
7:18AM
0.73
7:14PM
0.67
7:56AM
0.76
7:55PM
0.69
8:33AM
0.77
8:37PM
0.71
Low Tide
/ height (m)
10:16AM
0.19
10:30PM
0.03
11:10AM
0.18
11:19PM
0.01
11:58AM
0.15
12:04AM
-0.02
12:42PM
0.12
12:48AM
-0.04
1:23PM
0.09
1:29AM
-0.06
2:02PM
0.05
2:09AM
-0.08
2:39PM
0.02
2:49AM
-0.08
Tuesday
13
Wednesday
14
Thursday
15
Friday
16
Saturday
17
Sunday
18
Monday
19
Sunrise7:07--7:07--7:07--7:07--7:07--7:07--7:07--
Sunset-5:49--5:50--5:51--5:51--5:52--5:52--5:53-
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
clear
rain showers
part cloud
clear
clear
clear
part cloud
cloud
cloud
part cloud
clear
clear
clear
clear
clear
part cloud
Rain (mm)
22411-1--------------
Temp. °C222223242521221913181919202021212419191920
Feels °C (?)21212423232018125151616181719181912141417
  • 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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Information about the 21st Street (Miami) Surf forecast

The above surf forecast table for 21st Street (Miami) provides essential information for determining whether the surfing conditions will be good over the next 12 days. A general guide to surfing at 21st Street (Miami) can be found by selecting the local surf guide option on the grey menu. Our 21st Street (Miami) surf forecast is unique since it includes wave energy (power) that defines the real feel of the surf rather than just the height or the period. If you surf the same spot (21st Street (Miami)) regularly then make a mental note of the wave energy from the surf forecast table each time you go. Very soon you may start to choose your surf days based on the wave energy alone combined with our forecast of favourable offshore wind conditions. Our star ratings will help here and of course you will also find the usual wave height and period predictions on our surf forecasts as well as a full break down of the swell components under our advanced users option (to reveal that, click the little Einstein character under the tide times).

Further information to help with frequently asked questions about our surf forecast for 21st Street (Miami) may be found under the help tab on the top menu and also by moving your mouse over the question marks on the surf forecast table itself. Please always bear in mind that the forecast is for near-shore open water and local factors at each surf break influence the actual breaking wave height, such as the beach / reef profile, water depths offshore and shelter.

21st Street (Miami) is 1 km (1 miles) from the city of Miami Beach. If you plan a vacation in South Florida, look for hotels and other accommodation in Miami Beach. Miami Beach has rooms for a wide range of budgets as well as car hire and transport links.

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