An unseasonably deep upper-level low produced numerous convective showers with small hail and gusty winds.

Marine Thunderstorm Wind in TIDAL POTOMAC KEY BRIDGE TO INDIAN HD MD, ATLANTIC NORTH
From 08-MAY-21 12:22:00 to 08-MAY-21 12:22:00 (EST-5)
Location: (DCA)REAGAN NATIONAL AIRPORT
Magnitude: 35.00 MG
Reported by: ASOS

A wind gust of 35 knots (40 MPH) was measured by the ASOS at Ronald Reagan Washington National Airport.

Marine Thunderstorm Wind in CHESAPEAKE BAY SANDY PT TO N BEACH MD, ATLANTIC NORTH
From 08-MAY-21 12:48:00 to 08-MAY-21 12:54:00 (EST-5)
Location: ANNAPOLIS BUOY (44063)
Magnitude: 41.00 MG
Reported by: Buoy

Wind gusts of up to 41 knots (47 MPH) were measured by a buoy near Annapolis.

Marine Thunderstorm Wind in CHESAPEAKE BAY SANDY PT TO N BEACH MD, ATLANTIC NORTH
From 08-MAY-21 12:51:00 to 08-MAY-21 12:56:00 (EST-5)
Location: GREENBURY POINT (GBY)
Magnitude: 35.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Buoy

Wind gusts of up to 35 knots (40 MPH) were measured by a buoy near Greenbury Point.

Marine Thunderstorm Wind in CHESAPEAKE BAY SANDY PT TO N BEACH MD, ATLANTIC NORTH
From 08-MAY-21 12:55:00 to 08-MAY-21 13:00:00 (EST-5)
Location: HERRING BAY (HRB)
Magnitude: 37.00 MG
Reported by: Buoy

Wind gusts of up to 37 knots (43 MPH) were measured by a buoy near Herring Bay.

Marine Thunderstorm Wind in CHESAPEAKE BAY SANDY PT TO N BEACH MD, ATLANTIC NORTH
From 08-MAY-21 12:57:00 to 08-MAY-21 12:57:00 (EST-5)
Location: TOLLY POINT (TOL)
Magnitude: 34.00 MG
Reported by: Buoy

A wind gust of 34 knots (39 MPH) was measured by a buoy near Tolly Point.

Marine Thunderstorm Wind in CHESAPEAKE BAY SANDY PT TO N BEACH MD, ATLANTIC NORTH
From 08-MAY-21 13:00:00 to 08-MAY-21 13:00:00 (EST-5)
Location: THOMAS POINT (TPLM2)
Magnitude: 43.00 MG
Reported by: Buoy

A wind gust of 43 knots (49 MPH) was measured by a buoy near Thomas Point.

Marine Thunderstorm Wind in CHESAPEAKE BAY SANDY PT TO N BEACH MD, ATLANTIC NORTH
From 08-MAY-21 13:03:00 to 08-MAY-21 13:08:00 (EST-5)
Location: KENT ISLAND (KNT)
Magnitude: 34.00 MG
Reported by: Buoy

Wind gusts of up to 34 knots (39 MPH) were measured by a buoy near Kent Island.

Marine Thunderstorm Wind in CHOPTANK RIVER TO CAMBRIDGE MD AND THE LITTLE CHOPTANK RIVER, ATLANTIC NORTH
From 08-MAY-21 13:12:00 to 08-MAY-21 13:17:00 (EST-5)
Location: BLACKWALNUT HARBOR (BWH)
Magnitude: 36.00 MG
Reported by: Buoy

Wind gusts of up to 36 knots (41 MPH) were measured by a buoy near Blackwalnut Harbor.

Marine Thunderstorm Wind in CHESAPEAKE BAY N OF POOLES IS MD, ATLANTIC NORTH
From 08-MAY-21 13:35:00 to 08-MAY-21 13:45:00 (EST-5)
Location: GROVE POINT (GVP)
Magnitude: 35.00 MG
Reported by: Buoy

Wind gusts of up to 35 knots (40 MPH) were measured by a buoy near Grove Point.

Marine Thunderstorm Wind in CHESAPEAKE BAY POOLES IS TO SANDY PT MD, ATLANTIC NORTH
From 08-MAY-21 13:36:00 to 08-MAY-21 13:42:00 (EST-5)
Location: TOLCHESTER MD (TCBM2)
Magnitude: 34.00 EG
Reported by: Buoy

A convective shower produced an estimated wind gust to 34 knots (39 MPH) near a buoy near Tolchester Beach.

Marine Thunderstorm Wind in CHOPTANK RIVER TO CAMBRIDGE MD AND THE LITTLE CHOPTANK RIVER, ATLANTIC NORTH
From 08-MAY-21 13:42:00 to 08-MAY-21 13:48:00 (EST-5)
Location: CAMBRIDGE (CAMM2)
Magnitude: 34.00 MG
Reported by: Buoy

Wind gusts of up to 34 knots (39 MPH) were measured by a buoy near Cambridge.

Marine Thunderstorm Wind in TIDAL POTOMAC KEY BRIDGE TO INDIAN HD MD, ATLANTIC NORTH
From 08-MAY-21 13:49:00 to 08-MAY-21 13:49:00 (EST-5)
Location: (DCA)REAGAN NATIONAL AIRPORT
Magnitude: 34.00 EG
Reported by: ASOS

A convective shower produced an estimated wind gust to 34 knots (39 MPH) near the ASOS at Ronald Reagan Washington National Airport adjacent to the upper tidal Potomac River.

Marine Thunderstorm Wind in CHESAPEAKE BAY SANDY PT TO N BEACH MD, ATLANTIC NORTH
From 08-MAY-21 14:09:00 to 08-MAY-21 14:09:00 (EST-5)
Location: ANNAPOLIS (KNAK)
Magnitude: 36.00 MG
Reported by: ASOS

A wind gust of 36 knots (41 MPH) was measured by the ASOS at the U.S. Naval Academy in Annapolis adjacent to the Chesapeake Bay.

Marine Thunderstorm Wind in TIDAL POTOMAC KEY BRIDGE TO INDIAN HD MD, ATLANTIC NORTH
From 08-MAY-21 14:11:00 to 08-MAY-21 14:11:00 (EST-5)
Location: (DCA)REAGAN NATIONAL AIRPORT
Magnitude: 34.00 EG
Reported by: ASOS

A convective shower produced an estimated wind gust to 34 knots (39 MPH) near the ASOS at Ronald Reagan Washington National Airport adjacent to the upper tidal Potomac River.

Marine Thunderstorm Wind in CHESAPEAKE BAY SANDY PT TO N BEACH MD, ATLANTIC NORTH
From 08-MAY-21 14:11:00 to 08-MAY-21 14:11:00 (EST-5)
Location: GREENBURY POINT (GBY)
Magnitude: 36.00 MG
Reported by: Buoy

A wind gust of 36 knots (41 MPH) was measured by a buoy near Greenbury Point.

Marine Thunderstorm Wind in CHESAPEAKE BAY SANDY PT TO N BEACH MD, ATLANTIC NORTH
From 08-MAY-21 14:12:00 to 08-MAY-21 14:18:00 (EST-5)
Location: ANNAPOLIS BUOY (44063)
Magnitude: 41.00 MG
Reported by: Buoy

Wind gusts of up to 41 knots (47 MPH) were measured by a buoy near Annapolis.

Marine Thunderstorm Wind in CHESAPEAKE BAY SANDY PT TO N BEACH MD, ATLANTIC NORTH
From 08-MAY-21 14:12:00 to 08-MAY-21 14:18:00 (EST-5)
Location: ANNAPOLIS MD (APAM2)
Magnitude: 38.00 MG
Reported by: Buoy

Wind gusts of up to 38 knots (44 MPH) were measured by a buoy near Annapolis.

Marine Thunderstorm Wind in CHESAPEAKE BAY SANDY PT TO N BEACH MD, ATLANTIC NORTH
From 08-MAY-21 14:17:00 to 08-MAY-21 14:22:00 (EST-5)
Location: TOLLY POINT (TOL)
Magnitude: 40.00 MG
Reported by: Buoy

Wind gusts of up to 40 knots (46 MPH) were measured by a buoy near Tolly Point.

Marine Thunderstorm Wind in CHESAPEAKE BAY SANDY PT TO N BEACH MD, ATLANTIC NORTH
From 08-MAY-21 14:20:00 to 08-MAY-21 14:20:00 (EST-5)
Location: THOMAS POINT (TPLM2)
Magnitude: 39.00 MG
Reported by: Buoy

A wind gust of 39 knots (45 MPH) was measured by a buoy near Thomas Point.

Marine Thunderstorm Wind in CHESAPEAKE BAY SANDY PT TO N BEACH MD, ATLANTIC NORTH
From 08-MAY-21 14:23:00 to 08-MAY-21 14:23:00 (EST-5)
Location: KENT ISLAND (KNT)
Magnitude: 35.00 MG
Reported by: Buoy

A wind gust of 35 knots (40 MPH) was measured by a buoy near Kent Island.

Marine Thunderstorm Wind in CHOPTANK RIVER TO CAMBRIDGE MD AND THE LITTLE CHOPTANK RIVER, ATLANTIC NORTH
From 08-MAY-21 14:37:00 to 08-MAY-21 14:47:00 (EST-5)
Location: BLACKWALNUT HARBOR (BWH)
Magnitude: 34.00 EG
Reported by: Buoy

A convective shower produced estimated wind gusts to 34 knots (39 MPH) near a buoy near Blackwalnut Harbor.

Marine Thunderstorm Wind in CHESAPEAKE BAY N BEACH TO DRUM PT MD, ATLANTIC NORTH
From 08-MAY-21 14:54:00 to 08-MAY-21 15:30:00 (EST-5)
Location: GOOSES REEF BUOY (44062)
Magnitude: 37.00 MG
Reported by: Buoy

Wind gusts of up to 37 knots (43 MPH) were measured by a buoy near Gooses Reef.

Marine Thunderstorm Wind in PATAPSCO RIVER INCLUDING BALTIMORE HARBOR, ATLANTIC NORTH
From 08-MAY-21 15:10:00 to 08-MAY-21 15:10:00 (EST-5)
Location: HAMPSTEAD HILL ACADEMY (BLMHH)
Magnitude: 34.00 EG
Reported by: Mesonet

A convective shower produced an estimated wind gust to 34 knots (39 MPH) near a mesonet near Hampstead Hill Academy.

Marine Thunderstorm Wind in PATAPSCO RIVER INCLUDING BALTIMORE HARBOR, ATLANTIC NORTH
From 08-MAY-21 15:18:00 to 08-MAY-21 15:18:00 (EST-5)
Location: BALTIMORE KEY BRIDGE (FSKM2)
Magnitude: 34.00 EG
Reported by: Buoy

A convective shower produced an estimated wind gust to 34 knots (39 MPH) near a buoy near Francis Scott Key Bridge near Baltimore.

Marine Thunderstorm Wind in CHESAPEAKE BAY POOLES IS TO SANDY PT MD, ATLANTIC NORTH
From 08-MAY-21 15:34:00 to 08-MAY-21 15:34:00 (EST-5)
Location: HART MILLER ISLAND (HRT)
Magnitude: 34.00 EG
Reported by: Buoy

A convective shower produced an estimated wind gust to 34 knots (39 MPH) near a buoy near Hart Miller Island.

Marine Thunderstorm Wind in CHESAPEAKE BAY POOLES IS TO SANDY PT MD, ATLANTIC NORTH
From 08-MAY-21 15:38:00 to 08-MAY-21 15:38:00 (EST-5)
Location: TOLCHESTER MD (TCBM2)
Magnitude: 34.00 EG
Reported by: Buoy

A convective shower produced an estimated wind gust to 34 knots (39 MPH) near a buoy near Tolchester Beach.

Marine Thunderstorm Wind in CHESAPEAKE BAY N BEACH TO DRUM PT MD, ATLANTIC NORTH
From 08-MAY-21 13:18:00 to 08-MAY-21 13:30:00 (EST-5)
Location: GOOSES REEF BUOY (44062)
Magnitude: 37.00 MG
Reported by: Buoy

Wind gusts of up to 37 knots (43 MPH) were measured by a buoy near Gooses Reef.