A strong cold front produced squalls that resulted in gale-force wind gusts.

Marine Thunderstorm Wind in CHESAPEAKE BAY SANDY PT TO N BEACH MD, ATLANTIC NORTH
From 12-NOV-21 05:18:00 to 12-NOV-21 05:18:00 (EST-5)
Location: ANNAPOLIS (KNAK)
Magnitude: 47.00 MG
Reported by: Mesonet

A wind gust of 47 knots (54 MPH) was measured by a mesonet on the US-50/US-301 Chesapeake Bay Bridge (MD066).

Marine Thunderstorm Wind in CHESAPEAKE BAY SANDY PT TO N BEACH MD, ATLANTIC NORTH
From 12-NOV-21 05:19:00 to 12-NOV-21 05:19:00 (EST-5)
Location: THOMAS POINT (TPLM2)
Magnitude: 34.00 EG
Reported by: Buoy

A squall produced an estimated wind gust to 34 knots (39 MPH) near the Saunders Point Light/Mayo-Triton Beach WeatherFlow sensor (WFMTR).

Marine Thunderstorm Wind in CHESAPEAKE BAY SANDY PT TO N BEACH MD, ATLANTIC NORTH
From 12-NOV-21 05:20:00 to 12-NOV-21 05:20:00 (EST-5)
Location: (KW29)BAY BRIDGE AIRPORT
Magnitude: 44.00 MG
Reported by: Mesonet

A wind gust of 44 knots (51 MPH) was measured by a mesonet on the US-50/US-301 Chesapeake Bay Bridge (MD065).

Marine Thunderstorm Wind in CHESAPEAKE BAY SANDY PT TO N BEACH MD, ATLANTIC NORTH
From 12-NOV-21 05:23:00 to 12-NOV-21 05:48:00 (EST-5)
Location: TOLLY POINT (TOL)
Magnitude: 39.00 MG
Reported by: Buoy

Wind gusts of up to 39 knots (45 MPH) were measured by the Tolly Point WeatherFlow sensor (XTOL).

Marine Thunderstorm Wind in CHESAPEAKE BAY SANDY PT TO N BEACH MD, ATLANTIC NORTH
From 12-NOV-21 05:25:00 to 12-NOV-21 05:40:00 (EST-5)
Location: GREENBURY POINT (GBY)
Magnitude: 34.00 EG
Reported by: Broadcast Media

A squall produced estimated wind gusts to 34 knots (39 MPH) near the Greenbury Point WeatherFlow sensor (XGBY).

Marine Thunderstorm Wind in CHESAPEAKE BAY POOLES IS TO SANDY PT MD, ATLANTIC NORTH
From 12-NOV-21 05:47:00 to 12-NOV-21 05:52:00 (EST-5)
Location: HART MILLER ISLAND (HRT)
Magnitude: 34.00 MG
Reported by: Buoy

Wind gusts of up to 34 knots (39 MPH) were measured by the Hart Miller Island WeatherFlow sensor (XHRT).

Marine Thunderstorm Wind in TIDAL POTOMAC INDIAN HD TO COBB IS MD, ATLANTIC NORTH
From 12-NOV-21 05:10:00 to 12-NOV-21 05:10:00 (EST-5)
Location: QUANTICO (KNYG)
Magnitude: 34.00 EG
Reported by: ASOS

A squall produced an estimated wind gust to 34 knots (39 MPH) near the ASOS at Quantico Marine Base (KNYG) adjacent to the tidal Potomac River.

Marine Thunderstorm Wind in CHESAPEAKE BAY SANDY PT TO N BEACH MD, ATLANTIC NORTH
From 12-NOV-21 05:12:00 to 12-NOV-21 05:42:00 (EST-5)
Location: ANNAPOLIS BUOY (44063)
Magnitude: 34.00 EG
Reported by: Buoy

A squall produced estimated wind gusts to 34 knots (39 MPH) near the Annapolis CBIBS sensor (44063).

Marine Thunderstorm Wind in CHESAPEAKE BAY POOLES IS TO SANDY PT MD, ATLANTIC NORTH
From 12-NOV-21 05:15:00 to 12-NOV-21 05:15:00 (EST-5)
Location: (KMTN)MARTIN STATE AIRPORT
Magnitude: 34.00 EG
Reported by: AWOS

A squall produced an estimated wind gust to 34 knots (39 MPH) near the AWOS at Martin State Airport (KMTN) adjacent to the upper Chesapeake Bay.

Marine Thunderstorm Wind in CHESAPEAKE BAY SANDY PT TO N BEACH MD, ATLANTIC NORTH
From 12-NOV-21 06:00:00 to 12-NOV-21 06:00:00 (EST-5)
Location: GREENBURY POINT (GBY)
Magnitude: 36.00 MG
Reported by: Buoy

A wind gust of 36 knots (41 MPH) was measured by the Greenbury Point Weatherflow sensor (XGBY).

Marine Thunderstorm Wind in CHESAPEAKE BAY SANDY PT TO N BEACH MD, ATLANTIC NORTH
From 12-NOV-21 06:00:00 to 12-NOV-21 06:00:00 (EST-5)
Location: THOMAS POINT (TPLM2)
Magnitude: 36.00 MG
Reported by: Buoy

A wind gust of 36 knots (41 MPH) was measured by the Thomas Point NOS sensor (TPLM2).

Marine Thunderstorm Wind in CHESAPEAKE BAY SANDY PT TO N BEACH MD, ATLANTIC NORTH
From 12-NOV-21 06:56:00 to 12-NOV-21 06:56:00 (EST-5)
Location: KENT ISLAND (KNT)
Magnitude: 35.00 MG
Reported by: Buoy

A wind gust of 35 knots (40 MPH) was measured by the Kent Island WeatherFlow sensor (XKNT).