An upper level disturbance in close proximity to a departing warm front triggered severe thunderstorms across the coastal waters.

Marine Thunderstorm Wind in FIRE ISLAND INLET NY TO MORICHES INLET NY FROM 20 TO 40 NM, ATLANTIC NORTH
From 27-AUG-20 20:10:00 to 27-AUG-20 20:10:00 (EST-5)
Location: STATION 44025
Magnitude: 39.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Buoy

A marine thunderstorm wind gust of 39 knots was reported at Long Island Buoy 44025.

Marine Thunderstorm Wind in LONG ISLAND SOUND E OF NEW HAVEN CT TO PORT JEFFERSON NY, ATLANTIC NORTH
From 27-AUG-20 15:50:00 to 27-AUG-20 15:50:00 (EST-5)
Location: MATTITUCK INLET
Magnitude: 46.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

A marine thunderstorm wind gust of 46 knots was measured at Reeves Park - Baiting Hollow station.

Marine Thunderstorm Wind in MONTAUK POINT TO MORICHES INLET NY OUT 20NM, ATLANTIC NORTH
From 27-AUG-20 15:56:00 to 27-AUG-20 15:56:00 (EST-5)
Location: SHINNECOCK INLET
Magnitude: 35.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

A marine thunderstorm wind gust of 35 knots was measured at Shinnecock Light station.

Marine Thunderstorm Wind in LONG ISLAND SOUND E OF NEW HAVEN CT TO PORT JEFFERSON NY, ATLANTIC NORTH
From 27-AUG-20 15:12:00 to 27-AUG-20 15:12:00 (EST-5)
Location: LIGHTHOUSE POINT WXFLOW
Magnitude: 35.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

A marine thunderstorm wind gust of 35 knots was reported at Lighthouse Point weather station in East Haven.

Marine Thunderstorm Wind in LONG ISLAND SOUND E OF NEW HAVEN CT TO PORT JEFFERSON NY, ATLANTIC NORTH
From 27-AUG-20 15:35:00 to 27-AUG-20 15:35:00 (EST-5)
Location: STATION 44025
Magnitude: 42.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

A marine thunderstorm wind gust of 42 knots was measured by boater.

Marine Hail in SOUTH SHORE BAYS FROM JONES INLET THROUGH SHINNECOCK BAY, ATLANTIC NORTH
From 27-AUG-20 18:03:00 to 27-AUG-20 18:03:00 (EST-5)
Location: BLUE POINT WXFLOW
Magnitude: 0.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail of 0.75 inches in diameter was reported.

Marine Thunderstorm Wind in FIRE ISLAND INLET NY TO SANDY HOOK NJ OUT 20NM, ATLANTIC NORTH
From 27-AUG-20 19:35:00 to 27-AUG-20 19:35:00 (EST-5)
Location: BREEZY POINT WXFLOW
Magnitude: 35.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

A marine thunderstorm wind gust of 35 knots was measured at Breezy Point station.

Marine Thunderstorm Wind in FIRE ISLAND INLET NY TO MORICHES INLET NY FROM 20 TO 40 NM, ATLANTIC NORTH
From 27-AUG-20 20:10:00 to 27-AUG-20 20:10:00 (EST-5)
Location: STATION 44025
Magnitude: 39.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Buoy

A marine thunderstorm wind gust of 39 knots was reported at Buoy 44025.

Marine Thunderstorm Wind in FIRE ISLAND INLET NY TO SANDY HOOK NJ OUT 20NM, ATLANTIC NORTH
From 27-AUG-20 19:54:00 to 27-AUG-20 19:54:00 (EST-5)
Location: STATION SDHN4
Magnitude: 48.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

A marine thunderstorm wind gust of 48 knots was measured at Sandy Hook station.

Marine Thunderstorm Wind in MONTAUK POINT TO MORICHES INLET NY OUT 20NM, ATLANTIC NORTH
From 27-AUG-20 18:51:00 to 27-AUG-20 18:51:00 (EST-5)
Location: SHINNECOCK INLET
Magnitude: 38.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

A marine thunderstorm wind gust of 38 knots was measured at Shinnecock Light station.

Marine Thunderstorm Wind in FIRE ISLAND INLET NY TO SANDY HOOK NJ OUT 20NM, ATLANTIC NORTH
From 27-AUG-20 19:29:00 to 27-AUG-20 19:29:00 (EST-5)
Location: JONES BEACH WXFLOW
Magnitude: 48.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

A marine thunderstorm wind gust of 48 knots was measured at Jones Beach coast guard station at Point Lookout.

Marine Thunderstorm Wind in SANDY HOOK NJ TO FIRE ISLAND NY FROM 20 TO 40 NM, ATLANTIC NORTH
From 27-AUG-20 19:50:00 to 27-AUG-20 19:50:00 (EST-5)
Location: STATION 44025
Magnitude: 43.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Buoy

A marine thunderstorm wind gust of 43 knots was measured at NY Harbor Entrance buoy.