Current sea water temperature:
+76.1°F
| Minimum sea water temperature in April: | 82.9°F |
| Maximum sea water temperature in April: | 72.1°F |
| Average sea water temperature in April: | 77.7°F |
| more information | |
14 days
forecast
forecast
| Sanibel Island |
monthly
weather
weather
| Sanibel Island |
Sea water temperature for the last 10 days:
| April 8 | 76.1°F | April 3 | 73.6°F |
| April 7 | 76.6°F | April 2 | 74.5°F |
| April 6 | 75.4°F | April 1 | 74.7°F |
| April 5 | 75.4°F | March 31 | 74.1°F |
| April 4 | 75.0°F | March 30 | 74.1°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
April
April
| 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: 09:57
April 08, wednesday
1200
75°F
SW
12 mph
12 mph
1500
81°F
SW
10 mph
10 mph
1800
77°F
SW
24 mph
24 mph
2100
72°F
SW
24 mph
24 mph
April 09, thursday
0000
70°F
SW
24 mph
24 mph
0300
70°F
SW
23 mph
23 mph
0600
68°F
SW
21 mph
21 mph
0900
70°F
SW
20 mph
20 mph
