A cold front triggered some showers and thunderstorms and an unstable atmosphere caused storms to produce gusty winds.

Marine Thunderstorm Wind in CHESAPEAKE BAY POOLES IS TO SANDY PT MD, ATLANTIC NORTH
From 18-AUG-17 18:20:00 to 18-AUG-17 18:20:00 (EST-5)
Location: PATAPSCO BUOY (44043)
Magnitude: 39.00 MG
Reported by: Buoy

A wind gust of 39 knots was reported at the Patapsco Buoy.

Marine Thunderstorm Wind in CHESAPEAKE BAY N BEACH TO DRUM PT MD, ATLANTIC NORTH
From 18-AUG-17 17:40:00 to 18-AUG-17 17:40:00 (EST-5)
Location: GOOSES REEF BUOY (44062)
Magnitude: 39.00 MG
Reported by: Buoy

A wind gust of 39 knots was reported at Gooses Reef.

Marine Thunderstorm Wind in CHESAPEAKE BAY N BEACH TO DRUM PT MD, ATLANTIC NORTH
From 18-AUG-17 18:42:00 to 18-AUG-17 19:00:00 (EST-5)
Location: MID BAY BUOY
Magnitude: 48.00 MG
Reported by: Buoy

Wind gusts of 38 to 48 knots were reported at Cove Point.

Marine Thunderstorm Wind in CHESAPEAKE BAY N BEACH TO DRUM PT MD, ATLANTIC NORTH
From 18-AUG-17 18:08:00 to 18-AUG-17 18:08:00 (EST-5)
Location: MID BAY BUOY
Magnitude: 50.00 EG
Reported by: 911 Call Center

A wind gust of 50 knots was estimated based on thunderstorm wind damage nearby.

Marine Thunderstorm Wind in TIDAL POTOMAC INDIAN HD TO COBB IS MD, ATLANTIC NORTH
From 18-AUG-17 18:17:00 to 18-AUG-17 18:17:00 (EST-5)
Location: CUCKOLD CREEK (CCK)
Magnitude: 40.00 MG
Reported by: Buoy

A wind gust of 40 knots was reported at Cuckold Creek.

Marine Thunderstorm Wind in TIDAL POTOMAC INDIAN HD TO COBB IS MD, ATLANTIC NORTH
From 18-AUG-17 18:18:00 to 18-AUG-17 18:18:00 (EST-5)
Location: POTOMAC LIGHT 33 (LT3)
Magnitude: 34.00 EG
Reported by: Buoy

Wind gusts in excess of 30 knots were reported at Potomac Light.

Marine Thunderstorm Wind in TIDAL POTOMAC INDIAN HD TO COBB IS MD, ATLANTIC NORTH
From 18-AUG-17 18:20:00 to 18-AUG-17 18:35:00 (EST-5)
Location: BABAR POINT (BAB)
Magnitude: 36.00 MG
Reported by: Buoy

Wind gusts in excess of 30 knots were reported at Pylons.

Marine Thunderstorm Wind in TIDAL POTOMAC INDIAN HD TO COBB IS MD, ATLANTIC NORTH
From 18-AUG-17 18:35:00 to 18-AUG-17 18:40:00 (EST-5)
Location: BABAR POINT (BAB)
Magnitude: 34.00 MG
Reported by: Buoy

A wind gust of 34 knots was reported at Babar Point.

Marine Thunderstorm Wind in TIDAL POTOMAC COBB IS MD TO SMITH PT VA, ATLANTIC NORTH
From 18-AUG-17 18:49:00 to 18-AUG-17 19:04:00 (EST-5)
Location: COBB POINT (COB)
Magnitude: 49.00 MG
Reported by: Buoy

Wind gusts up to 49 knots were reported at Cobb Point.

Marine Thunderstorm Wind in TIDAL POTOMAC COBB IS MD TO SMITH PT VA, ATLANTIC NORTH
From 18-AUG-17 19:18:00 to 18-AUG-17 19:24:00 (EST-5)
Location: PINEY POINT (PPTM2)
Magnitude: 36.00 MG
Reported by: Buoy

Wind gusts of 34 to 36 knots were reported at Piney Point.

Marine Thunderstorm Wind in TIDAL POTOMAC COBB IS MD TO SMITH PT VA, ATLANTIC NORTH
From 18-AUG-17 19:30:00 to 18-AUG-17 19:36:00 (EST-5)
Location: LEWISETTA (LWS)
Magnitude: 47.00 MG
Reported by: Buoy

Wind gusts of 34 to 47 knots were reported at Lewisetta.

Marine Thunderstorm Wind in TIDAL POTOMAC COBB IS MD TO SMITH PT VA, ATLANTIC NORTH
From 18-AUG-17 19:30:00 to 18-AUG-17 19:36:00 (EST-5)
Location: LEWISETTA MD (LWTV2)
Magnitude: 47.00 MG
Reported by: Buoy

Wind gusts of 34 to 47 knots were reported at Lewisetta.

Marine Thunderstorm Wind in CHESAPEAKE BAY DRUM PT TO SMITH PT VA, ATLANTIC NORTH
From 18-AUG-17 19:45:00 to 18-AUG-17 19:45:00 (EST-5)
Location: SMITH ISLAND (SIS)
Magnitude: 46.00 MG
Reported by: Buoy

A wind gust of 46 knots was reported at Point Lookout.

Marine Thunderstorm Wind in CHESAPEAKE BAY DRUM PT TO SMITH PT VA, ATLANTIC NORTH
From 18-AUG-17 19:10:00 to 18-AUG-17 19:10:00 (EST-5)
Location: PATUXENT RIVER ASOS (KNAK)
Magnitude: 37.00 MG
Reported by: AWOS

A wind gust of 37 knots was reported at Patuxent River.

Marine Thunderstorm Wind in CHESAPEAKE BAY N BEACH TO DRUM PT MD, ATLANTIC NORTH
From 18-AUG-17 19:12:00 to 18-AUG-17 19:18:00 (EST-5)
Location: MID BAY BUOY
Magnitude: 36.00 MG
Reported by: Buoy

Wind gusts up to 36 knots were reported at Cove Point.

Marine Thunderstorm Wind in CHESAPEAKE BAY DRUM PT TO SMITH PT VA, ATLANTIC NORTH
From 18-AUG-17 19:29:00 to 18-AUG-17 19:59:00 (EST-5)
Location: LOWER HOOPERS ISLAND (HPR)
Magnitude: 41.00 MG
Reported by: Buoy

Wind gusts up to 41 knots were reported at Hooper Island.

Marine Thunderstorm Wind in TANGIER SOUND AND THE INLAND WATERS SURROUNDING BLOODSWORTH ISLAND, ATLANTIC NORTH
From 18-AUG-17 19:54:00 to 18-AUG-17 20:12:00 (EST-5)
Location: BISHOPS HEAD (BISM2)
Magnitude: 43.00 MG
Reported by: Buoy

Wind gusts up to 43 knots were reported at Bishops Head.

Marine Thunderstorm Wind in CHESAPEAKE BAY N BEACH TO DRUM PT MD, ATLANTIC NORTH
From 18-AUG-17 20:10:00 to 18-AUG-17 20:30:00 (EST-5)
Location: GOOSES REEF BUOY (44062)
Magnitude: 51.00 MG
Reported by: Buoy

Wind gusts of 41 to 51 knots were reported.

Marine Thunderstorm Wind in TANGIER SOUND AND THE INLAND WATERS SURROUNDING BLOODSWORTH ISLAND, ATLANTIC NORTH
From 18-AUG-17 20:14:00 to 18-AUG-17 20:29:00 (EST-5)
Location: RACCOON POINT (RAC)
Magnitude: 39.00 MG
Reported by: Buoy

Wind gusts of 35 to 39 knots were reported at Raccoon Point.

Marine Thunderstorm Wind in TANGIER SOUND AND THE INLAND WATERS SURROUNDING BLOODSWORTH ISLAND, ATLANTIC NORTH
From 18-AUG-17 20:20:00 to 18-AUG-17 20:20:00 (EST-5)
Location: CRISFIELD CG (CRS)
Magnitude: 41.00 MG
Reported by: Buoy

A wind gust of 41 knots was reported at Crisfield.

Marine Thunderstorm Wind in TIDAL POTOMAC COBB IS MD TO SMITH PT VA, ATLANTIC NORTH
From 18-AUG-17 19:50:00 to 18-AUG-17 19:50:00 (EST-5)
Location: POTOMAC POINT LOOKOUT BUOY (44042)
Magnitude: 41.00 MG
Reported by: Buoy

A wind gust of 41 knots was reported at Point Lookout.

Marine Thunderstorm Wind in PATAPSCO RIVER INCLUDING BALTIMORE HARBOR, ATLANTIC NORTH
From 18-AUG-17 16:35:00 to 18-AUG-17 16:35:00 (EST-5)
Location: MARYLAND SCIENCE CENTER (BLMRE)
Magnitude: 38.00 MG
Reported by: Mesonet

A wind gust of 38 knots was reported at the Maryland Science Center.

Marine Thunderstorm Wind in CHESAPEAKE BAY SANDY PT TO N BEACH MD, ATLANTIC NORTH
From 18-AUG-17 18:00:00 to 18-AUG-17 18:00:00 (EST-5)
Location: THOMAS POINT (TPLM2)
Magnitude: 34.00 EG
Reported by: Buoy

Wind gusts in excess of 30 knots were reported at Thomas Point Lighthouse.

Marine Thunderstorm Wind in CHESAPEAKE BAY N OF POOLES IS MD, ATLANTIC NORTH
From 18-AUG-17 16:55:00 to 18-AUG-17 16:55:00 (EST-5)
Location: GROVE POINT (GVP)
Magnitude: 34.00 EG
Reported by: Buoy

A wind gust in excess of 30 knots was reported at Grove Point.

Marine Thunderstorm Wind in CHESAPEAKE BAY N OF POOLES IS MD, ATLANTIC NORTH
From 18-AUG-17 16:59:00 to 18-AUG-17 17:09:00 (EST-5)
Location: NORTH BAY NORTH EAST MD (NRTBY)
Magnitude: 37.00 MG
Reported by: Buoy

A wind gust of 37 knots was reported at North Bay.

Marine Thunderstorm Wind in TIDAL POTOMAC INDIAN HD TO COBB IS MD, ATLANTIC NORTH
From 18-AUG-17 15:55:00 to 18-AUG-17 15:55:00 (EST-5)
Location: QUANTICO (KNYG)
Magnitude: 34.00 EG
Reported by: AWOS

A wind gust in excess of 30 knots was reported at Quantico.

Marine Thunderstorm Wind in TIDAL POTOMAC INDIAN HD TO COBB IS MD, ATLANTIC NORTH
From 18-AUG-17 16:11:00 to 18-AUG-17 16:16:00 (EST-5)
Location: LEESYLVANIA STATE PARK (LSLVN)
Magnitude: 47.00 MG
Reported by: Buoy

Wind gusts of 34 to 47 knots were reported at Occoquan.

Marine Thunderstorm Wind in PATAPSCO RIVER INCLUDING BALTIMORE HARBOR, ATLANTIC NORTH
From 18-AUG-17 16:30:00 to 18-AUG-17 16:30:00 (EST-5)
Location: ORIOLE PARK AT CAMDEN YARDS (BLTPC)
Magnitude: 42.00 MG
Reported by: Mesonet

A wind gust of 42 knots was reported at Oriole Park.

Marine Thunderstorm Wind in PATAPSCO RIVER INCLUDING BALTIMORE HARBOR, ATLANTIC NORTH
From 18-AUG-17 16:54:00 to 18-AUG-17 16:54:00 (EST-5)
Location: BALTIMORE KEY BRIDGE (FSKM2)
Magnitude: 34.00 MG
Reported by: Mesonet

A wind gust of 34 knots was reported at Key Bridge.

Marine Thunderstorm Wind in CHESAPEAKE BAY POOLES IS TO SANDY PT MD, ATLANTIC NORTH
From 18-AUG-17 16:58:00 to 18-AUG-17 17:03:00 (EST-5)
Location: HART MILLER ISLAND (HRT)
Magnitude: 34.00 EG
Reported by: Mesonet

A wind gust in excess of 30 knots was reported at Hart Miller Island.

Marine Thunderstorm Wind in CHESAPEAKE BAY POOLES IS TO SANDY PT MD, ATLANTIC NORTH
From 18-AUG-17 17:18:00 to 18-AUG-17 17:24:00 (EST-5)
Location: TOLCHESTER MD (TCBM2)
Magnitude: 36.00 MG
Reported by: Buoy

Wind gusts of 34 to 36 knots were reported at Tolchester.

Marine Thunderstorm Wind in TIDAL POTOMAC INDIAN HD TO COBB IS MD, ATLANTIC NORTH
From 18-AUG-17 17:58:00 to 18-AUG-17 18:13:00 (EST-5)
Location: POTOMAC LIGHT 33 (LT3)
Magnitude: 47.00 MG
Reported by: Buoy

Wind gusts up to 47 knots were reported at Potomac Light.

Marine Thunderstorm Wind in TIDAL POTOMAC INDIAN HD TO COBB IS MD, ATLANTIC NORTH
From 18-AUG-17 18:12:00 to 18-AUG-17 18:12:00 (EST-5)
Location: CUCKOLD CREEK (CCK)
Magnitude: 43.00 MG
Reported by: Buoy

A wind gust of 43 knots was reported at Cuckold Creek.

Marine Thunderstorm Wind in CHESAPEAKE BAY SANDY PT TO N BEACH MD, ATLANTIC NORTH
From 18-AUG-17 17:29:00 to 18-AUG-17 17:29:00 (EST-5)
Location: GREENBERRY POINT (GBY)
Magnitude: 39.00 MG
Reported by: Buoy

A wind gust of 39 knots was reported at Greenberry Point.

Marine Thunderstorm Wind in CHESAPEAKE BAY SANDY PT TO N BEACH MD, ATLANTIC NORTH
From 18-AUG-17 17:30:00 to 18-AUG-17 17:30:00 (EST-5)
Location: ANNAPOLIS (KNAK)
Magnitude: 35.00 MG
Reported by: Buoy

A wind gust of 35 knots was reported at the Annapolis Buoy.

Marine Thunderstorm Wind in CHESAPEAKE BAY SANDY PT TO N BEACH MD, ATLANTIC NORTH
From 18-AUG-17 17:50:00 to 18-AUG-17 17:50:00 (EST-5)
Location: KENT ISLAND (KNT)
Magnitude: 34.00 MG
Reported by: Buoy

A wind gust of 34 knots was reported at Kent Island.

Marine Thunderstorm Wind in CHESAPEAKE BAY SANDY PT TO N BEACH MD, ATLANTIC NORTH
From 18-AUG-17 17:56:00 to 18-AUG-17 18:11:00 (EST-5)
Location: TOLLY POINT (TOL)
Magnitude: 34.00 EG
Reported by: Buoy

Wind gusts in excess of 30 knots were reported at Tolly Point.