Current sea water temperature:
+87.4°F
| Minimum sea water temperature in August: | 90.5°F |
| Maximum sea water temperature in August: | 85.5°F |
| Average sea water temperature in August: | 87.6°F |
| more information | |
14 days
forecast
forecast
| Sanibel Island |
monthly
weather
weather
| Sanibel Island |
Sea water temperature for the last 10 days:
| August 12 | 87.4°F | August 7 | 86.9°F |
| August 11 | 87.1°F | August 6 | 86.7°F |
| August 10 | 86.7°F | August 5 | 86.4°F |
| August 9 | 86.7°F | August 4 | 87.3°F |
| August 8 | 86.4°F | August 3 | 86.9°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:
2026
2025
2024
The average sea water temperature in July of 2026 was 88.1°F. The highest and lowest sea temperatures during the month were 89.2°F and 86.5°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
August
August
| 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: 22:18
August 13, thursday
0000
79°F
S
7 mph
7 mph
0300
81°F
SE
4 mph
4 mph
0600
81°F
S
8 mph
8 mph
0900
84°F
S
6 mph
6 mph
1200
86°F
SE
5 mph
5 mph
1500
88°F
SE
13 mph
13 mph
1800
88°F
SE
15 mph
15 mph
2100
86°F
SE
11 mph
11 mph
