March weather forecastCobb Island, MD

March

Weather in March

Ocean temperature

In Cobb Island, Maryland, the average seawater temperature in March is 48.2°F (9°C).
Note: You can swim in 48.2°F (9°C) below 50°F (10°C) with proper thermal wear; failing that, the cold shock and respiratory challenges are nearly certain. A short span at 55.4°F (13°C) without it is tough.

Daylight

In Cobb Island, the average length of the day in March is 11h and 59min.
On the first day of the month, sunrise is at 6:38 am and sunset at 6:01 pm EST. On the last day of March, sunrise is at 6:52 am and sunset at 7:30 pm EDT.
Note: On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts, and the time zone changes from EST to EDT. Daylight Saving Time lasts until Sunday, November 3. 2024, at 2:00 am; consequently, the time zone reverts from EDT to EST.
Updated: Jul 24, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

In Cobb Island, the average seawater temperature in March is 48.2°F (9°C). At temperatures below 50°F (10°C), swimming in a suitably protected swimsuit is feasible; otherwise, cold shock and loss of breathing control are imminent. Even a short swim, without thermal protection, at temperatures around 55.4°F (13°C) is not comfortable.

In Cobb Island, the average day length in March is 11h and 59min.

On the first day of March, sunrise is at 6:38 am and sunset at 6:01 pm EST. On the last day of the month, sunrise is at 6:52 am and sunset at 7:30 pm EDT.

On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts, and the time zone changes from EST to EDT. DST ends Sunday, November 3. 2024, at 2:00 am.
Average sea temperature

Average sea temperature in March
Cobb Island, MD

  • Average sea temperature in March: 48.3°F

The best month for swimming (with the highest average sea temperature) is August (78.4°F).
The coldest month (with the lowest average sea temperature) is February (47.1°F).

Average daylight in March
Cobb Island, MD

  • Average daylight in March: 12h and 0min

The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 36min).