Current sea water temperature:
+75.7°F
| Minimum sea water temperature in March: | 81.0°F |
| Maximum sea water temperature in March: | 65.1°F |
| Average sea water temperature in March: | 73.6°F |
| more information | |
14 days
forecast
forecast
| Sanibel Island |
monthly
weather
weather
| Sanibel Island |
Sea water temperature for the last 10 days:
| March 18 | 75.7°F | March 13 | 75.6°F |
| March 17 | 76.3°F | March 12 | 75.4°F |
| March 16 | 76.8°F | March 11 | 75.6°F |
| March 15 | 76.5°F | March 10 | 73.9°F |
| March 14 | 76.8°F | March 9 | 73.2°F |
Monthly sea water temperature, °F
When is the warmest sea in Sanibel Island?
Based on the data about daily sea water temperature for the last three years the warmest sea in Sanibel Island was noticed in August, July and September.
Monthly Sea Temperatures in Sanibel Island, °F
Sea water temperature in August, °F
Show year:
2025
2024
2023
The average sea water temperature in August of 2025 was 88.8°F. The highest and lowest sea temperatures during the month were 90.0°F and 87.3°F.
Sea water temperature in July, °F
Show year:
2025
2024
2023
The average sea water temperature in July of 2025 was 86.9°F. The highest and lowest sea temperatures during the month were 89.2°F and 85.3°F.
Sea water temperature in September, °F
Show year:
2025
2024
2023
The average sea water temperature in September of 2025 was 85.7°F. The highest and lowest sea temperatures during the month were 87.6°F and 83.8°F.
current
weather
weather
| Sanibel Island |
weather in
March
March
| Sanibel Island |
Best time for vacation in Sanibel Island
Sanibel Island on a weather map
Places in USA:
Name
°F
24 Hours Forecast
Sanibel Island
Local time: 20:23
March 18, wednesday
2100
64°F
SW
18 mph
18 mph
March 19, thursday
0000
61°F
SW
18 mph
18 mph
0300
57°F
S
17 mph
17 mph
0600
59°F
S
18 mph
18 mph
0900
61°F
S
17 mph
17 mph
1200
68°F
SW
17 mph
17 mph
1500
72°F
SW
12 mph
12 mph
1800
73°F
SW
20 mph
20 mph
