Measurements:
°C
°F
Miami Beach
88°F
NW 5 mph
Feels like: 94°F
Precip: 19%
World Resorts USA Miami Beach Weather

Miami Beach Sea Water Temperature

Current Sea Water Temperature:
+87.8°F
Maximum Sea Water Temperature in October: 90.8°F
Minimum Sea Water Temperature in October: 83.0°F
Average water temperature in October: 86.8°F

Sea Water Temperature for the Last 10 Days:

October 05 87.8°F September 30 88.8°F
October 04 88.0°F September 29 89.2°F
October 03 87.4°F September 28 88.8°F
October 02 87.8°F September 27 89.6°F
October 01 86.8°F September 26 89.4°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: 2026 2025 2024

The average sea surface temperature in August 2026 for Miami Beach was 91.2°F. The maximum and minimum values were 89.2°F and 92.8°F respectively.

Sea Water Temperature in July

Select Year: 2026 2025 2024

The average sea surface temperature in July 2026 for Miami Beach was 91.1°F. The maximum and minimum values were 89.2°F and 92.4°F respectively.

Sea Water Temperature in September

Select Year: 2026 2025 2024

The average sea surface temperature in September 2026 for Miami Beach was 89.8°F. The maximum and minimum values were 84.4°F and 91.8°F respectively.

Best Time to Visit Miami Beach
The most sunny months:
March 14 days
April 14 days
February 12 days
The most warm months:
August 92.8 °F
July 92.2 °F
September 90.9 °F
Warmest sea temperature:
August 90.6 °F
July 89.8 °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
April 12 mph

Miami Beach on the Weather Map

USA Resorts:
NAME
F°
Boston +58
Chicago +62
Hawaii +82
Houston +86
Las Vegas +92
Los Angeles +100
Maui +74
Miami +88
Myrtle Beach +70
New York +62
San Diego +84
San Francisco +66
Santa Monica +94
Sarasota +84
Washington +64
24 Hours Weather Forecast
Miami Beach
Local time: 19:49
05 oct, monday
2100 88°F
NW
5 mph
06 oct, tuesday
0000 86°F
NW
5 mph
0300 86°F
NW
4 mph
0600 86°F
NW
3 mph
0900 86°F
NW
4 mph
1200 90°F
NW
7 mph
1500 90°F
NW
9 mph
1800 88°F
NW
11 mph