Measurements:
°C
°F
Miami Beach
82°F
NW 16 mph
Feels like: 86°F
Precip: 0%
World Resorts USA Miami Beach Weather

Miami Beach Sea Water Temperature

Current Sea Water Temperature:
+81.0°F
Maximum Sea Water Temperature in April: 86.2°F
Minimum Sea Water Temperature in April: 77.0°F
Average water temperature in April: 81.8°F

Sea Water Temperature for the Last 10 Days:

April 23 81.0°F April 18 81.2°F
April 22 82.4°F April 17 81.0°F
April 21 82.6°F April 16 82.6°F
April 20 81.6°F April 15 81.0°F
April 19 81.4°F April 14 81.0°F

When is the Warmest Sea for Miami Beach?

According to our data for the last three years for Miami Beach the highest average sea water temperature was in August, July and September.

Average Water Temperature by Month, °F

Sea Water Temperature in August

Select Year: 2025 2024 2023

The average sea surface temperature in August 2025 for Miami Beach was 92.1°F. The maximum and minimum values were 91.0°F and 93.0°F respectively.

Sea Water Temperature in July

Select Year: 2025 2024 2023

The average sea surface temperature in July 2025 for Miami Beach was 90.0°F. The maximum and minimum values were 87.6°F and 91.6°F respectively.

Sea Water Temperature in September

Select Year: 2025 2024 2023

The average sea surface temperature in September 2025 for Miami Beach was 90.2°F. The maximum and minimum values were 89.0°F and 91.4°F respectively.

Best Time to Visit Miami Beach
The most sunny months:
March 14 days
April 13 days
February 12 days
The most warm months:
August 92.8 °F
July 92.1 °F
September 90.9 °F
Warmest sea temperature:
August 90.5 °F
July 89.7 °F
September 89.5 °F
The most cold months:
January 75.4 °F
February 77.9 °F
December 79.1 °F
The most rainy months:
July 10 days
August 9 days
June 8 days
The most windy months:
November 13 mph
March 12 mph
October 12 mph

Miami Beach on the Weather Map

USA Resorts:
NAME
Chicago +70
Hawaii +76
Honolulu +76
Houston +82
Las Vegas +68
Los Angeles +64
Maui +70
Miami +82
Miami Beach +82
New York +76
San Diego +66
San Francisco +58
Sarasota +88
Tampa +86
Washington +82
24 Hours Weather Forecast
Miami Beach
Local time: 12:10
23 apr, thursday
1500 80°F
NW
17 mph
1800 78°F
W
15 mph
2100 78°F
W
14 mph
24 apr, friday
0000 78°F
W
14 mph
0300 76°F
NW
13 mph
0600 76°F
NW
11 mph
0900 76°F
NW
11 mph
1200 76°F
N
12 mph