Active AlertsLynn, MA

What: Up to one foot of inundation above ground level expected in low-lying areas near shorelines and tidal waterways (11.3 to 13.2 feet Mean Lower Low Water).
Where: Eastern Essex, Suffolk and Eastern Norfolk Counties.
When: From 1 AM to 7 AM EST Monday.
Impacts: Shallow pockets of flooding less than one foot deep affects the lowest lying areas along the coast, including Morrissey Boulevard in Boston. Most roads remain passable. Flooding up to one foot deep affects coastal roads on the North Shore from Salem to Gloucester and Newburyport. Rough surf will cause flooding on some coastal roads around the time of high tide due to splashover.

If travel is required, allow extra time as some roads may be closed. Do not drive around barricades or through water of unknown depth. Take the necessary actions to protect flood-prone property.