A line of strong thunderstorms affected the lower tidal Potomac River and middle Chesapeake Bay.

Marine Thunderstorm Wind in TIDAL POTOMAC INDIAN HD TO COBB IS MD, ATLANTIC NORTH
From 04-SEP-20 16:49:00 to 04-SEP-20 16:49:00 (EST-5)
Location: AG WRIGHT MS (SAFRD)
Magnitude: 34.00 EG
Reported by: Mesonet

A thunderstorm produced an estimated wind gust to 34 knots (39 MPH) near Eagle Bay.

Marine Thunderstorm Wind in TIDAL POTOMAC INDIAN HD TO COBB IS MD, ATLANTIC NORTH
From 04-SEP-20 17:09:00 to 04-SEP-20 17:09:00 (EST-5)
Location: POTOMAC RIVER BUOY (44067)
Magnitude: 36.00 MG
Reported by: Mesonet

A wind gust of 36 knots (41 MPH) was measured by a mesonet at the US-301 Harry Nice Bridge.

Marine Thunderstorm Wind in TIDAL POTOMAC INDIAN HD TO COBB IS MD, ATLANTIC NORTH
From 04-SEP-20 17:16:00 to 04-SEP-20 17:16:00 (EST-5)
Location: POTOMAC LIGHT 33 (LT3)
Magnitude: 40.00 MG
Reported by: Buoy

A wind gust of 40 knots (46 MPH) was measured by a buoy near Potomac Light.

Marine Thunderstorm Wind in TIDAL POTOMAC COBB IS MD TO SMITH PT VA, ATLANTIC NORTH
From 04-SEP-20 17:34:00 to 04-SEP-20 17:39:00 (EST-5)
Location: COBB POINT (COB)
Magnitude: 42.00 MG
Reported by: Buoy

Wind gusts of 34 to 42 knots (39 to 48 MPH) were measured by a buoy near Cobb Island.

Marine Thunderstorm Wind in TIDAL POTOMAC COBB IS MD TO SMITH PT VA, ATLANTIC NORTH
From 04-SEP-20 18:06:00 to 04-SEP-20 18:06:00 (EST-5)
Location: COLES POINT (COL)
Magnitude: 34.00 EG
Reported by: Mesonet

A thunderstorm produced an estimated wind gust to 34 knots (39 MPH) near a mesonet near Shepherds Point.

Marine Thunderstorm Wind in TIDAL POTOMAC COBB IS MD TO SMITH PT VA, ATLANTIC NORTH
From 04-SEP-20 18:09:00 to 04-SEP-20 18:09:00 (EST-5)
Location: COLES POINT (COL)
Magnitude: 39.00 MG
Reported by: Mesonet

A wind gust of 39 knots (45 MPH) was measured by a mesonet near the Lower Machodoc River.

Marine Thunderstorm Wind in PATUXENT RIVER TO BROOMES ISLAND MD, ATLANTIC NORTH
From 04-SEP-20 18:15:00 to 04-SEP-20 18:15:00 (EST-5)
Location: CHESAPEAKE BIOLOGICAL LABORATORY (CBIM2)
Magnitude: 39.00 MG
Reported by: Mesonet

A wind gust of 39 knots (45 MPH) was measured by a mesonet at the MD-4 Thomas Johnson Bridge at the Patuxent River.

Marine Thunderstorm Wind in TIDAL POTOMAC COBB IS MD TO SMITH PT VA, ATLANTIC NORTH
From 04-SEP-20 18:18:00 to 04-SEP-20 18:18:00 (EST-5)
Location: PINEY POINT (PPTM2)
Magnitude: 35.00 MG
Reported by: Buoy

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

Marine Thunderstorm Wind in CHESAPEAKE BAY DRUM PT TO SMITH PT VA, ATLANTIC NORTH
From 04-SEP-20 18:40:00 to 04-SEP-20 18:40:00 (EST-5)
Location: LOWER HOOPER ISLAND (HPR)
Magnitude: 34.00 EG
Reported by: Buoy

A thunderstorm produced an estimated wind gust to 34 knots (39 MPH) near a buoy near Hooper Island.

Marine Thunderstorm Wind in CHESAPEAKE BAY DRUM PT TO SMITH PT VA, ATLANTIC NORTH
From 04-SEP-20 18:44:00 to 04-SEP-20 18:44:00 (EST-5)
Location: LOWER HOOPER ISLAND (HPR)
Magnitude: 35.00 MG
Reported by: Mesonet

A wind gust of 35 knots (40 MPH) was measured by a mesonet on Upper Hooper Island.

Marine Thunderstorm Wind in CHESAPEAKE BAY DRUM PT TO SMITH PT VA, ATLANTIC NORTH
From 04-SEP-20 18:54:00 to 04-SEP-20 18:54:00 (EST-5)
Location: LOWER HOOPER ISLAND (HPR)
Magnitude: 34.00 EG
Reported by: Buoy

A thunderstorm produced an estimated wind gust to 34 knots (39 MPH) near a buoy near Lower Hooper Island.