Special Marine Warning for Lake Pontchartrain and Lake Maurepas Through 2:15 AM CDT

Alert Details

The National Weather Service in New Orleans has issued a Special Marine Warning for Lake Pontchartrain and Lake Maurepas. This alert was issued following radar detection of a severe thunderstorm moving through the region.

Affected Areas

The warning specifically impacts the following geographic locations:

• Lake Pontchartrain and Lake Maurepas
• The Mid Point Of The Causeway Bridge
• Manchac
• Mandeville

What You Should Do

Boaters should seek safe harbor immediately and remain there until the storm passes. If caught on open water, stay below deck if possible and keep away from ungrounded metal objects to avoid lightning strikes. You are encouraged to report severe weather to the Coast Guard or the National Weather Service. Note that a Tornado Watch also remains in effect for southeastern Louisiana until 4:00 AM CDT.

Expected Conditions

At 1:26 AM CDT, a severe thunderstorm was located 7 nautical miles west of Lake Maurepas, moving east at 35 knots. The following conditions are expected:

• Wind: Gusts in excess of 50 knots, which could cause boats to suffer significant structural damage.
• Hail: Large hail that may result in injury and damage to vessels and oil rigs.
• Waves: Suddenly higher waves capable of capsizing small craft.
• Additional Hazards: Frequent lightning and heavy rain.

Timeline

The warning is effective as of 1:26 AM CDT on March 16 and is currently set to expire at 2:15 AM CDT.