The leading edge of tropical moisture ahead of Tropical Storm Isaias interacted with a cold front triggering severe thunderstorms across the coastal waters.

Marine Thunderstorm Wind in SOUTH SHORE BAYS FROM JONES INLET THROUGH SHINNECOCK BAY, ATLANTIC NORTH
From 03-AUG-20 20:51:00 to 03-AUG-20 20:51:00 (EST-5)
Location: MORICHES 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 East Moriches coast guard station.

Marine Thunderstorm Wind in FIRE ISLAND INLET NY TO SANDY HOOK NJ OUT 20NM, ATLANTIC NORTH
From 03-AUG-20 19:42:00 to 03-AUG-20 19:42:00 (EST-5)
Location: STATION SDHN4
Magnitude: 37.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

A marine thunderstorm wind gust of 37 knots was measured at Sandy Hook North station.

Marine Thunderstorm Wind in MORICHES INLET TO FIRE ISLAND INLET NY OUT 20NM, ATLANTIC NORTH
From 03-AUG-20 20:07:00 to 03-AUG-20 20:07:00 (EST-5)
Location: FIRE ISLAND WXFLOW
Magnitude: 45.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: ASOS

A marine thunderstorm wind gust of 45 knots was measured at JFK International Airport.

Marine Thunderstorm Wind in SOUTH SHORE BAYS FROM JONES INLET THROUGH SHINNECOCK BAY, ATLANTIC NORTH
From 03-AUG-20 20:13:00 to 03-AUG-20 20:13:00 (EST-5)
Location: AMITYVILLE WXFLOW
Magnitude: 50.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

A marine thunderstorm wind gust of 50 knots was measured at Great South Bay station.

Marine Thunderstorm Wind in NEW YORK HARBOR, ATLANTIC NORTH
From 03-AUG-20 20:06:00 to 03-AUG-20 20:06:00 (EST-5)
Location: STATION ROBN4
Magnitude: 37.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

A marine thunderstorm wind gust of 37 knots was measured at Bayonne mesonet station.

Marine Thunderstorm Wind in SOUTH SHORE BAYS FROM JONES INLET THROUGH SHINNECOCK BAY, ATLANTIC NORTH
From 03-AUG-20 20:19:00 to 03-AUG-20 20:19:00 (EST-5)
Location: FIRE ISLAND WXFLOW
Magnitude: 44.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

A marine thunderstorm wind gust of 44 knots was reported at State Boat Channel mesonet station.

Marine Thunderstorm Wind in LONG ISLAND SOUND W OF NEW HAVEN CT TO PORT JEFFERSON NY, ATLANTIC NORTH
From 03-AUG-20 20:35:00 to 03-AUG-20 20:35:00 (EST-5)
Location: LARCHMONT HARBOR WXFLOW
Magnitude: 42.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

A marine thunderstorm wind gust of 42 knots was measured at Larchmont Harbor station.

Marine Thunderstorm Wind in LONG ISLAND SOUND W OF NEW HAVEN CT TO PORT JEFFERSON NY, ATLANTIC NORTH
From 03-AUG-20 20:40:00 to 03-AUG-20 20:40:00 (EST-5)
Location: BAYVILLE WXFLOW
Magnitude: 51.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

A marine thunderstorm wind gust of 51 knots was measured at Bayville station.

Marine Thunderstorm Wind in LONG ISLAND SOUND W OF NEW HAVEN CT TO PORT JEFFERSON NY, ATLANTIC NORTH
From 03-AUG-20 21:00:00 to 03-AUG-20 21:00:00 (EST-5)
Location: NORWALK LIGHT WXFLOW
Magnitude: 43.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

A marine thunderstorm wind gust of 43 knots was reported at Norwalk Light station.

Marine Thunderstorm Wind in LONG ISLAND SOUND W OF NEW HAVEN CT TO PORT JEFFERSON NY, ATLANTIC NORTH
From 03-AUG-20 21:00:00 to 03-AUG-20 21:00:00 (EST-5)
Location: STATION 44040
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 the Western LI Sound buoy.

Marine Thunderstorm Wind in SOUTH SHORE BAYS FROM JONES INLET THROUGH SHINNECOCK BAY, ATLANTIC NORTH
From 03-AUG-20 20:30:00 to 03-AUG-20 20:30:00 (EST-5)
Location: AMITYVILLE WXFLOW
Magnitude: 38.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

A marine thunderstorm wind gust of 38 knots was reported at Babylon Yacht Club station.

Marine Thunderstorm Wind in SOUTH SHORE BAYS FROM JONES INLET THROUGH SHINNECOCK BAY, ATLANTIC NORTH
From 03-AUG-20 20:28:00 to 03-AUG-20 20:28:00 (EST-5)
Location: BLUE POINT WXFLOW
Magnitude: 39.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

A marine thunderstorm wind gust of 39 knots was reported at Blue Point station.

Marine Thunderstorm Wind in FIRE ISLAND INLET NY TO SANDY HOOK NJ OUT 20NM, ATLANTIC NORTH
From 03-AUG-20 19:50:00 to 03-AUG-20 19:50:00 (EST-5)
Location: STATION 44065
Magnitude: 55.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Buoy

A marine thunderstorm wind gust of 55 knots was measured at the NY Harbor Entrance buoy.

Marine Thunderstorm Wind in SOUTH SHORE BAYS FROM JONES INLET THROUGH SHINNECOCK BAY, ATLANTIC NORTH
From 03-AUG-20 20:21:00 to 03-AUG-20 20:21:00 (EST-5)
Location: POINT O WOODS WXFLOW
Magnitude: 40.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

A marine thunderstorm wind gust of 40 knots was reported at Point O Woods YC mesonet station.