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🟡 Moderate

Gale Warning

Chesapeake Bay north of Pooles Island MD; Chesapeake Bay from Pooles Island to Sandy Point MD; Chesapeake Bay from Sandy Point to North Beach MD; Patapsco River including Baltimore Harbor; Chester River to Queenstown MD; Eastern Bay

Gale Warning issued December 18 at 2:14AM EST until December 20 at 1:00AM EST by NWS Baltimore MD/Washington DC

Alert Description

* WHAT...Southwest winds 15 to 20 kt with gusts up to 40 kt in the morning, turning out of the west-northwest by late morning in to the afternoon around 25 to 35 kt with gusts up to 45 kt. Waves 2 to 4 ft expected. * WHERE...Chesapeake Bay north of North Beach MD, Patapsco River including Baltimore Harbor, Chester River to Queenstown MD, and Eastern Bay. * WHEN...From 6 PM this evening to 1 AM EST Saturday. * IMPACTS...Strong and rapidly shifting winds will cause hazardous waves which could capsize or damage vessels. * ADDITIONAL DETAILS...Strong southwest winds accompanying a squall line will bring brief Gale-force winds early Friday morning. This will be followed by a brief drop in winds in the mid-morning hours before winds jump back up to Gale-force, but this time out of the west-northwest by the afternoon.

Safety Instructions

Mariners should alter plans to avoid these hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for hazardous conditions.

Time Information

Effective
Dec 18, 2025, 11:00 PM
Expires
Dec 18, 2025, 3:15 PM
Issued
Dec 18, 2025, 7:14 AM

Alert Details

Severity
Moderate
Urgency
Expected
Certainty
Likely
Category
Met

Issued By

NWS Baltimore MD/Washington DC
National Weather Service

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