Current sea water temperature:
+41.2°F
| Minimum sea water temperature in March: | 49.5°F |
| Maximum sea water temperature in March: | 36.1°F |
| Average sea water temperature in March: | 44.7°F |
| more information | |
14 days
forecast
forecast
| South Bethany |
monthly
weather
weather
| South Bethany |
Sea water temperature for the last 10 days:
| March 18 | 41.2°F | March 13 | 41.0°F |
| March 17 | 41.5°F | March 12 | 41.7°F |
| March 16 | 41.0°F | March 11 | 42.1°F |
| March 15 | 40.3°F | March 10 | 41.4°F |
| March 14 | 39.6°F | March 9 | 38.3°F |
Monthly sea water temperature, °F
When is the warmest sea in South Bethany?
Based on the data about daily sea water temperature for the last three years the warmest sea in South Bethany was noticed in July, August and September.
Monthly Sea Temperatures in South Bethany, °F
Sea water temperature in July, °F
Show year:
2025
2024
2023
The average sea water temperature in July of 2025 was 75.6°F. The highest and lowest sea temperatures during the month were 77.9°F and 73.6°F.
Sea water temperature in August, °F
Show year:
2025
2024
2023
The average sea water temperature in August of 2025 was 75.3°F. The highest and lowest sea temperatures during the month were 78.4°F and 72.9°F.
Sea water temperature in September, °F
Show year:
2025
2024
2023
The average sea water temperature in September of 2025 was 72.7°F. The highest and lowest sea temperatures during the month were 74.7°F and 71.4°F.
current
weather
weather
| South Bethany |
weather in
March
March
| South Bethany |
Best time for vacation in South Bethany
South Bethany on a weather map
Places in USA:
Name
°F
24 Hours Forecast
South Bethany
Local time: 17:35
March 18, wednesday
1800
37°F
NW
8 mph
8 mph
2100
36°F
NW
9 mph
9 mph
March 19, thursday
0000
36°F
NW
9 mph
9 mph
0300
36°F
NW
8 mph
8 mph
0600
36°F
NW
7 mph
7 mph
0900
39°F
NW
6 mph
6 mph
1200
43°F
NW
8 mph
8 mph
1500
43°F
NW
11 mph
11 mph
