Low pressure and an associated cold front moved across the Mid-Atlantic region during the day on May 25th. Warm and humid conditions led to showers and thunderstorms. Some thunderstorms produced gusty winds and large hail.

Marine Thunderstorm Wind in PATUXENT RIVER TO BROOMES ISLAND MD, ATLANTIC NORTH
From 25-MAY-17 16:18:00 to 25-MAY-17 16:24:00 (EST-5)
Location: SOLOMONS ISLAND (SLIM2)
Magnitude: 37.00 MG
Reported by: Buoy

Wind gusts of 34 to 37 knots were reported at Solomons Island.

Marine Thunderstorm Wind in PATUXENT RIVER TO BROOMES ISLAND MD, ATLANTIC NORTH
From 25-MAY-17 16:20:00 to 25-MAY-17 16:20:00 (EST-5)
Location: PATUXENT RIVER ASOS (KNAK)
Magnitude: 34.00 EG
Reported by: Buoy

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

Marine Thunderstorm Wind in CHESAPEAKE BAY N BEACH TO DRUM PT MD, ATLANTIC NORTH
From 25-MAY-17 17:03:00 to 25-MAY-17 17:03:00 (EST-5)
Location: GOOSES REEF BUOY (44062)
Magnitude: 37.00 MG
Reported by: Buoy

A wind gust of 37 knots was reported at Black Walnut Harbor.

Marine Thunderstorm Wind in TIDAL POTOMAC INDIAN HD TO COBB IS MD, ATLANTIC NORTH
From 25-MAY-17 15:40:00 to 25-MAY-17 15:42:00 (EST-5)
Location: BABAR POINT (BAB)
Magnitude: 36.00 MG
Reported by: Buoy

Wind gusts of 35 to 36 knots were reported.

Marine Hail in CHOPTANK RIVER TO CAMBRIDGE MD AND THE LITTLE CHOPTANK RIVER, ATLANTIC NORTH
From 25-MAY-17 17:15:00 to 25-MAY-17 17:15:00 (EST-5)
Location: TILGHMAN ES (TILHM)
Magnitude: 0.88 
Reported by: Unknown

Nickel sized hail was reported in Sherwood.

Marine Thunderstorm Wind in TIDAL POTOMAC INDIAN HD TO COBB IS MD, ATLANTIC NORTH
From 25-MAY-17 15:43:00 to 25-MAY-17 15:58:00 (EST-5)
Location: POTOMAC LIGHT 33 (LT3)
Magnitude: 44.00 MG
Reported by: Buoy

Wind gusts up to 44 knots were reported at Potomac Light.

Marine Thunderstorm Wind in TIDAL POTOMAC INDIAN HD TO COBB IS MD, ATLANTIC NORTH
From 25-MAY-17 15:47:00 to 25-MAY-17 15:52:00 (EST-5)
Location: CUCKOLD CREEK (CCK)
Magnitude: 36.00 MG
Reported by: Buoy

Wind gusts up to 36 knots were reported at Cuckold Creek.

Marine Thunderstorm Wind in TIDAL POTOMAC INDIAN HD TO COBB IS MD, ATLANTIC NORTH
From 25-MAY-17 15:58:00 to 25-MAY-17 16:03:00 (EST-5)
Location: QUANTICO (KNYG)
Magnitude: 34.00 EG
Reported by: Buoy

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

Marine Thunderstorm Wind in TIDAL POTOMAC INDIAN HD TO COBB IS MD, ATLANTIC NORTH
From 25-MAY-17 16:12:00 to 25-MAY-17 16:12:00 (EST-5)
Location: QUANTICO (KNYG)
Magnitude: 50.00 EG
Reported by: Unknown

Wind gusts around 50 knots were estimated based on thunderstorm wind damage nearby.

Marine Thunderstorm Wind in TIDAL POTOMAC INDIAN HD TO COBB IS MD, ATLANTIC NORTH
From 25-MAY-17 15:38:00 to 25-MAY-17 15:48:00 (EST-5)
Location: MONROE CREEK (MON)
Magnitude: 36.00 MG
Reported by: Buoy

Wind gusts up to 36 knots were reported at Monroe Creek.

Marine Thunderstorm Wind in TIDAL POTOMAC COBB IS MD TO SMITH PT VA, ATLANTIC NORTH
From 25-MAY-17 15:49:00 to 25-MAY-17 15:54:00 (EST-5)
Location: COBB POINT (COB)
Magnitude: 34.00 MG
Reported by: Buoy

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

Marine Thunderstorm Wind in TIDAL POTOMAC COBB IS MD TO SMITH PT VA, ATLANTIC NORTH
From 25-MAY-17 16:40:00 to 25-MAY-17 16:41:00 (EST-5)
Location: POINT LOOKOUT (PTL)
Magnitude: 34.00 EG
Reported by: Buoy

Wind gusts in excess of 30 knots was reported at Point Lookout.

Marine Thunderstorm Wind in CHESAPEAKE BAY SANDY PT TO N BEACH MD, ATLANTIC NORTH
From 25-MAY-17 17:26:00 to 25-MAY-17 17:36:00 (EST-5)
Location: TOLLY POINT (TOL)
Magnitude: 48.00 MG
Reported by: Buoy

Wind gust of 37 to 48 knots were reported at Tolly Point, Greenbury Point, the Annapolis Buoy and Thomas Point Lighthouse.

Marine Thunderstorm Wind in TANGIER SOUND AND THE INLAND WATERS SURROUNDING BLOODSWORTH ISLAND, ATLANTIC NORTH
From 25-MAY-17 16:54:00 to 25-MAY-17 17:06:00 (EST-5)
Location: BISHOPS HEAD (BISM2)
Magnitude: 34.00 EG
Reported by: Buoy

Wind gusts in excess of 30 knots were reported at Bishops Head.

Marine Thunderstorm Wind in TANGIER SOUND AND THE INLAND WATERS SURROUNDING BLOODSWORTH ISLAND, ATLANTIC NORTH
From 25-MAY-17 17:09:00 to 25-MAY-17 17:09:00 (EST-5)
Location: RACCOON POINT (RAC)
Magnitude: 34.00 MG
Reported by: Buoy

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

Marine Thunderstorm Wind in TIDAL POTOMAC KEY BRIDGE TO INDIAN HD MD, ATLANTIC NORTH
From 25-MAY-17 16:48:00 to 25-MAY-17 16:48:00 (EST-5)
Location: (DCA)REAGAN NATIONAL AIRPORT
Magnitude: 34.00 EG
Reported by: ASOS

A wind gusts in excess of 30 knots was reported at Reagan National.

Marine Thunderstorm Wind in CHESAPEAKE BAY POOLES IS TO SANDY PT MD, ATLANTIC NORTH
From 25-MAY-17 18:34:00 to 25-MAY-17 18:39:00 (EST-5)
Location: GUNPOWDER (GUN)
Magnitude: 38.00 MG
Reported by: Buoy

Wind gusts of 36 to 37 knots were reported at Gunpowder.

Marine Thunderstorm Wind in CHESAPEAKE BAY N OF POOLES IS MD, ATLANTIC NORTH
From 25-MAY-17 19:00:00 to 25-MAY-17 19:00:00 (EST-5)
Location: SUSQUEHANNA RIVER BUOY (44057)
Magnitude: 35.00 MG
Reported by: Buoy

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

Marine Thunderstorm Wind in PATAPSCO RIVER INCLUDING BALTIMORE HARBOR, ATLANTIC NORTH
From 25-MAY-17 17:42:00 to 25-MAY-17 17:42:00 (EST-5)
Location: BALTIMORE KEY BRIDGE (FSKM2)
Magnitude: 36.00 MG
Reported by: Buoy

A wind gust of 36 knots was reported at Key Bridge.

Marine Thunderstorm Wind in TIDAL POTOMAC INDIAN HD TO COBB IS MD, ATLANTIC NORTH
From 25-MAY-17 17:48:00 to 25-MAY-17 17:48:00 (EST-5)
Location: POTOMAC LIGHT 33 (LT3)
Magnitude: 34.00 EG
Reported by: Buoy

Wind gusts in excess of 30 knots were reported.

Marine Thunderstorm Wind in CHESAPEAKE BAY POOLES IS TO SANDY PT MD, ATLANTIC NORTH
From 25-MAY-17 19:00:00 to 25-MAY-17 19:00:00 (EST-5)
Location: PATAPSCO BUOY (44043)
Magnitude: 35.00 MG
Reported by: Buoy

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

Marine Thunderstorm Wind in CHESAPEAKE BAY POOLES IS TO SANDY PT MD, ATLANTIC NORTH
From 25-MAY-17 22:10:00 to 25-MAY-17 22:10:00 (EST-5)
Location: PATAPSCO BUOY (44043)
Magnitude: 35.00 MG
Reported by: Buoy

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

Marine Hail in TANGIER SOUND AND THE INLAND WATERS SURROUNDING BLOODSWORTH ISLAND, ATLANTIC NORTH
From 25-MAY-17 17:23:00 to 25-MAY-17 17:23:00 (EST-5)
Location: RACCOON POINT (RAC)
Magnitude: 0.75 
Reported by: Unknown

Penny sized hail was estimated near Mount Vernon.

Marine Thunderstorm Wind in CHESAPEAKE BAY POOLES IS TO SANDY PT MD, ATLANTIC NORTH
From 25-MAY-17 18:30:00 to 25-MAY-17 18:30:00 (EST-5)
Location: (KMTN)MARTIN STATE AIRPORT
Magnitude: 38.00 MG
Reported by: AWOS

A wind gust of 38 knots was reported at Martin State.