Current Sea Water Temperature:
+90.4°F
| Maximum Sea Water Temperature in September: | 93.2°F |
| Minimum Sea Water Temperature in September: | 86.6°F |
| Average water temperature in September: | 89.5°F |
| detailed information | |
Sea Water Temperature for the Last 10 Days:
| September 10 | 90.4°F | September 05 | 91.2°F |
| September 09 | 91.0°F | September 04 | 90.4°F |
| September 08 | 91.2°F | September 03 | 90.2°F |
| September 07 | 91.2°F | September 02 | 89.8°F |
| September 06 | 91.8°F | September 01 | 90.8°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
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
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
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.
USA Resorts:
NAME
F°
| Boston |  |
+90 |
| Chicago |  |
+66 |
| Hawaii | |
+82 |
| Houston | |
+94 |
| Las Vegas |  |
+98 |
| Los Angeles |  |
+86 |
| Maui | |
+66 |
| Miami | |
+92 |
| Myrtle Beach | |
+90 |
| New York | |
+90 |
| San Diego | |
+84 |
| San Francisco | |
+74 |
| Santa Monica | |
+86 |
| Sarasota | |
+92 |
| Washington | |
+96 |
Countries:
NAME
POPULARITY
24 Hours Weather Forecast
Miami Beach
Local time: 12:20
10 sep, thursday
| 1500 |  |
90°F | NW 11 mph |
| 1800 | |
92°F | NW 9 mph |
| 2100 |  |
90°F | W 10 mph |
11 sep, friday
| 0000 | |
88°F | SW 7 mph |
| 0300 | |
90°F | NW 16 mph |
| 0600 | |
90°F | NW 9 mph |
| 0900 | |
90°F | NW 10 mph |
| 1200 |  |
92°F | NW 10 mph |