21st Street (Miami) Surf Forecast

/ Florida – South (39 breaks) / Florida (155 breaks) /

USA (1297 breaks) / Lat Long: (25.80° N 80.13° W)

Surf Forecasts:

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

12 Day Weather and Surf, issued 1 pm Wednesday 15 Oct 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 28.9° 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 1.2m 14s and forecast to arrive on Sunday (Oct 19) at 2PM. Winds are predicted to be onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.4m 5s period and expected on Sunday (Oct 19) at 11AM.

Wave Type	Time (EDT) & Date	Wave Height & Period
Next good surf (1 star+)	-	-
Best Surf	-	-
Most Powerful	2PM (Sun 19th Oct)	4ft (1.2m) 14s

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

Updates in hr min s Forecast update imminent

12 Days Hourly

Print Table

	Short Range Forecast Light rain (total 6mm), mostly falling on Thu morning. Warm (max 28°C on Thu afternoon, min 24°C on Sat morning). Mainly fresh winds.											Days 3-6 Weather Summary Mostly dry. Warm (max 27°C on Mon morning, min 25°C on Sat afternoon). Wind will be generally light.
	Wed 15		Thursday 16			Friday 17			Saturday 18			Sunday 19			Monday 20			Tuesday 21
	PM	Night	AM	PM	Night	AM	PM	Night	AM	PM	Night	AM	PM	Night	AM	PM	Night	AM	PM	Night	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
Swell Height Map See all maps
Wave Height (m) & direction (?)	NNE	NNE	NNE	NNE	NE	NE	NE	NE	NNE	NE	NNE	NNE	NNE	NNE	NE	NNE	NE	NE	NE	NNE	NE
Period(s) (?)	8	8	9	10	6	7	9	9	9	9	9	12	11	12	12	12	12	11	11	11	10
Wave Graph (?)
kJ (?)	143	123	211	314	223	346	440	367	211	182	172	371	247	410	330	243	195	123	96	76	49
Wind (km/h)	NE	NNE	NE	NE	ENE	ENE	NE	ENE	ENE	ENE	E	E	E	E	NE	ENE	E	E	ESE	ESE	SSE
Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy	cross- on	cross	cross- on	cross- on	cross- on	cross- on	cross- on	on	on	on	on	on	on	on	cross- on	on	on	on	on	cross- on	cross- on
High Tide / height (m)	4:45PM 0.91		5:10AM 0.88	5:43PM 0.92		6:09AM 0.91	6:31PM 0.93		6:58AM 0.95	7:12PM 0.95		7:40AM 0.98	7:49PM 0.95		8:18AM 1.00		8:22PM 0.96	8:54AM 1.01		8:55PM 0.95	9:29AM 1.00
Low Tide / height (m)		11:01PM 0.28	11:24AM 0.24		11:57PM 0.24	12:20PM 0.23		12:44AM 0.20	1:06PM 0.22		1:24AM 0.17	1:47PM 0.22		2:00AM 0.14		2:24PM 0.22	2:35AM 0.12		2:59PM 0.23	3:08AM 0.12

	Wed 15		Thursday 16			Friday 17			Saturday 18			Sunday 19			Monday 20			Tuesday 21
Sunrise	-	-	7:18	-	-	7:20	-	-	7:20	-	-	7:20	-	-	7:20	-	-	7:22	-	-	7:22
Sunset	6:52	-	-	6:52	-	-	6:51	-	-	6:50	-	-	6:49	-	-	6:47	-	-	6:46	-	-

Rain (mm)	-	1	2	1	2	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Temp. °C	27	26	26	28	27	26	26	26	25	25	25	25	26	26	27	27	26	27	27	27	27
Feels °C (?)	26	25	26	26	26	23	23	23	23	23	22	23	25	26	28	25	25	26	27	28	30

Map Icons:
Break
Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)
Wind Speed (km/h)

Recent Eyeball Surf Reports for Florida - South

Wind Update The wind is still cross-on at 21st Street (Miami) (light winds from the NNE at BUOY-VAKF1 8 km from 21st Street (Miami)). 0.8m 5s windswell from the NNE with a 0.4m 10s swell, also from the NNE and a 0.2m 8s swell, also from the NNW. 3 swells combining to make bigger set waves.
1 hour 34 minutes ago 21st Street (Miami)

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1 h 34 min ago

15 km/h

NNE

Cross-On

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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.