Current sea water temperature:
+86.9°F
| Minimum sea water temperature in July: | 89.8°F |
| Maximum sea water temperature in July: | 83.1°F |
| Average sea water temperature in July: | 87.4°F |
| more information | |
14 days
forecast
forecast
| Sanibel Island |
monthly
weather
weather
| Sanibel Island |
Sea water temperature for the last 10 days:
| July 23 | 86.9°F | July 18 | 88.5°F |
| July 22 | 86.5°F | July 17 | 88.7°F |
| July 21 | 87.4°F | July 16 | 88.2°F |
| July 20 | 87.4°F | July 15 | 88.9°F |
| July 19 | 87.8°F | July 14 | 88.7°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 88.4°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
July
July
| 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: 19:18
July 23, thursday
2100
81°F
SW
6 mph
6 mph
July 24, friday
0000
81°F
W
16 mph
16 mph
0300
82°F
W
10 mph
10 mph
0600
81°F
SW
8 mph
8 mph
0900
82°F
SW
7 mph
7 mph
1200
88°F
W
6 mph
6 mph
1500
90°F
E
4 mph
4 mph
1800
86°F
E
6 mph
6 mph
