* WHAT. Heat index values up to 102 expected. * WHERE. Western Monmouth, Middlesex, and Somerset Counties. * WHEN. From 11 AM this morning to 7 PM EDT this evening. * IMPACTS. Hot temperatures and high humidity may cause heat illnesses.

* WHAT. Heat index values up to 103 expected. * WHERE. Portions of northern Delaware, central and southern New Jersey, and southeast Pennsylvania. * WHEN. From 11 AM this morning to 7 PM EDT this evening. * IMPACTS. Hot temperatures and high humidity may cause heat illnesses.

* WHAT. South to southwest winds 10 to 20 kt with gusts up to 25 kt and seas 3 to 5 ft. * WHERE. Portions of Atlantic coastal waters. * WHEN. Until 7 PM EDT this evening. * IMPACTS. Conditions will be hazardous to small craft.

THE NATIONAL WEATHER SERVICE HAS ISSUED SEVERE THUNDERSTORM WATCH 489 IN EFFECT UNTIL 7 PM EDT THIS EVENING FOR THE FOLLOWING AREAS THIS WATCH INCLUDES THE FOLLOWING ADJACENT COASTAL WATERS DELAWARE BAY WATERS NORTH OF EAST POINT NJ TO SLAUGHTER BEACH DE COASTAL WATERS FROM SANDY HOOK TO MANASQUAN INLET NJ OUT 20 NM COASTAL WATERS FROM MANASQUAN INLET TO LITTLE EGG INLET NJ OUT 20 NM

* WHAT. Southwest winds 10 to 20 kt with gusts up to 25 kt and seas 4 to 5 feet. * WHERE. Sandy Hook NJ to Montauk Point NY out 20 nm. * WHEN. Until midnight EDT tonight. * IMPACTS. Conditions will be hazardous to small craft.

* WHAT. Dangerous rip currents. * WHERE. Kings (Brooklyn), Southwest Suffolk, Southeast Suffolk, Southern Queens and Southern Nassau Counties. * WHEN. Through this evening. * IMPACTS. Life-threatening rip currents are likely for all people entering the surf zone. Anyone visiting the beaches should stay out of the surf. Rip currents can sweep even the best swimmers away from shore into deeper water.

At 400 PM EDT, Doppler radar was tracking a strong thunderstorm over Whitestone, or over Flushing, moving east at 35 mph. HAZARD. Wind gusts up to 40 mph and pea size hail. SOURCE. Radar indicated. IMPACT. Gusty winds could knock down tree limbs and blow around unsecured objects. Minor hail damage to outdoor objects is possible. Locations impacted include. Islip, Jamaica, Flushing, Brentwood, Mott Haven, Levittown, East Tremont, Commack, Huntington Station, Deer Park, Lindenhurst, Glen Cove, Plainview, Garden City, and Hauppauge.

* WHAT. Dangerous rip currents. * WHERE. Kings (Brooklyn), Southwest Suffolk, Southeast Suffolk, Southern Queens and Southern Nassau Counties. * WHEN. Until 9 PM EDT this evening. * IMPACTS. Life-threatening rip currents are likely for all people entering the surf zone. Anyone visiting the beaches should stay out of the surf. Rip currents can sweep even the best swimmers away from shore into deeper water.

* WHAT. Southwest winds 10 to 15 kt with gusts up to 25 kt and seas 3 to 5 feet. * WHERE. Sandy Hook NJ to Montauk Point NY out 20 nm. * WHEN. Until midnight EDT tonight. * IMPACTS. Conditions will be hazardous to small craft.

SMWOKX The National Weather Service in Upton NY has issued a * Special Marine Warning for. Long Island Sound West of New Haven CT / Port Jefferson NY. New York Harbor. * Until 430 PM EDT. * At 336 PM EDT, strong thunderstorms were located along a line extending from 8 nm northwest of Mamaroneck Harbor to 9 nm northwest of Upper New York Harbor, moving southeast at 45 knots. HAZARD. Wind gusts 34 knots or greater and small hail. SOURCE. Radar indicated. IMPACT. Small craft could be damaged in briefly higher winds and suddenly higher waves. * Strong thunderstorms will be near. Eastchester Bay and Mamaroneck Harbor around 340 PM EDT. Execution Rocks, Hempstead Harbor, Little Neck Bay, Manhasset Bay, and Upper New York Harbor around 345 PM EDT. Saddle Rock around 350 PM EDT.

SEVERE THUNDERSTORM WATCH 489 REMAINS VALID UNTIL 7 PM EDT THIS EVENING FOR THE FOLLOWING AREAS THIS WATCH INCLUDES THE FOLLOWING ADJACENT COASTAL WATERS DELAWARE BAY WATERS NORTH OF EAST POINT NJ TO SLAUGHTER BEACH DE COASTAL WATERS FROM SANDY HOOK TO MANASQUAN INLET NJ OUT 20 NM COASTAL WATERS FROM MANASQUAN INLET TO LITTLE EGG INLET NJ OUT 20 NM

* WHAT. North winds 15 to 20 kt with gusts up to 25 kt and seas 3 to 5 ft expected. * WHERE. Coastal waters from Sandy Hook to Manasquan Inlet NJ out 20 nm and Coastal waters from Manasquan Inlet to Little Egg Inlet NJ out 20 nm. * WHEN. From 5 AM to 1 PM EDT Monday. * IMPACTS. Conditions will be hazardous to small craft.

* WHAT. Heat index values up to 100. * WHERE. Western Monmouth, Middlesex, and Somerset Counties. * WHEN. Until 7 PM EDT this evening. * IMPACTS. Hot temperatures and high humidity may cause heat illnesses.

* WHAT. Heat index values up to 97. * WHERE. Portions of northern Delaware, central and southern New Jersey, and southeast Pennsylvania. * WHEN. Until 7 PM EDT this evening. * IMPACTS. Hot temperatures and high humidity may cause heat illnesses.

THE NATIONAL WEATHER SERVICE HAS ISSUED SEVERE THUNDERSTORM WATCH 489 IN EFFECT UNTIL 7 PM EDT THIS EVENING FOR THE FOLLOWING AREAS THIS WATCH INCLUDES THE FOLLOWING ADJACENT COASTAL WATERS LONG ISLAND SOUND EAST OF NEW HAVEN CT/PORT JEFFERSON NY TO THE MOUTH OF THE CONNECTICUT RIVER LONG ISLAND SOUND EAST OF THE MOUTH OF THE CONNECTICUT RIVER LONG ISLAND SOUND WEST OF NEW HAVEN CT/PORT JEFFERSON NY NEW YORK HARBOR PECONIC AND GARDINERS BAYS SOUTH SHORE BAYS FROM JONES INLET THROUGH SHINNECOCK BAY MORICHES INLET NY TO MONTAUK POINT NY OUT 20 NM FIRE ISLAND INLET NY TO MORICHES INLET NY OUT 20 NM SANDY HOOK NJ TO FIRE ISLAND INLET NY OUT 20 NM

THE NATIONAL WEATHER SERVICE HAS ISSUED SEVERE THUNDERSTORM WATCH 489 IN EFFECT UNTIL 7 PM EDT THIS EVENING FOR THE FOLLOWING AREAS IN DELAWARE THIS WATCH INCLUDES 1 COUNTY IN NORTHERN DELAWARE NEW CASTLE IN NEW JERSEY THIS WATCH INCLUDES 13 COUNTIES IN CENTRAL NEW JERSEY MERCER MONMOUTH IN NORTHERN NEW JERSEY HUNTERDON MIDDLESEX MORRIS SOMERSET SUSSEX WARREN IN SOUTHERN NEW JERSEY BURLINGTON CAMDEN GLOUCESTER OCEAN SALEM IN PENNSYLVANIA THIS WATCH INCLUDES 10 COUNTIES IN EAST CENTRAL PENNSYLVANIA BERKS LEHIGH NORTHAMPTON IN NORTHEAST PENNSYLVANIA CARBON MONROE IN SOUTHEAST PENNSYLVANIA BUCKS CHESTER DELAWARE MONTGOMERY PHILADELPHIA THIS INCLUDES THE CITIES OF ALLENTOWN, BETHLEHEM, BLAIRSTOWN, CAMDEN, CHERRY HILL, DEPTFORD, DOYLESTOWN, EAST BRUNSWICK, EASTON, EDISON, FLEMINGTON, FREEHOLD, GLASSBORO, JIM THORPE, MEDIA, MOORESTOWN, MORRISTOWN, MOUNT HOLLY, NEW BRUNSWICK, NEWTON, NORRISTOWN, NORTH BRUNSWICK TOWNSHIP, PENNSVILLE, PERTH AMBOY, PHILADELPHIA, READING, SAYREVILLE, SOMERSET, STROUDSBURG, TOMS RIVER, TRENTON, WEST CHESTER, AND WILMINGTON.

SVRPHI The National Weather Service in Mount Holly NJ has issued a * Severe Thunderstorm Warning for. Northern Hunterdon County in northwestern New Jersey. Southwestern Morris County in northern New Jersey. Southern Warren County in northwestern New Jersey. Northern Somerset County in northern New Jersey. Northeastern Northampton County in eastern Pennsylvania. * Until 415 PM EDT. * At 325 PM EDT, a severe thunderstorm was located over Belfast, or near Easton, moving east at 45 mph. HAZARD. 60 mph wind gusts. SOURCE. Radar indicated. IMPACT. Damage to roofs, siding, trees, and power lines is possible. * Locations impacted include. Easton, Morristown, Somerville, Bridgewater, Forks, Middlesex, Bound Brook, Hackettstown, Wilson, Washington, Nazareth, Morris Plains, Bangor, Mendham, High Bridge, Pen Argyl, Wind Gap, Clinton, Belvidere, and Harmony. This includes the following highways. Interstate 78 in Pennsylvania near mile marker 76. Interstate 78 in New Jersey near mile marker 0, and between mile markers 3 and 38. Interstate 287 in New Jersey between mile markers 14 and 36.

At 334 PM EDT, a severe thunderstorm was located over Roxburg, or 7 miles northeast of Easton, moving east at 45 mph. HAZARD. 60 mph wind gusts. SOURCE. Public. At 330 PM in Nazareth in Northampton County PA, large branches were reported snapped along with estimated winds of 60 mph. IMPACT. Damage to roofs, siding, trees, and power lines is possible. Locations impacted include. Easton, Morristown, Somerville, Bridgewater, Forks, Middlesex, Bound Brook, Hackettstown, Wilson, Washington, Nazareth, Morris Plains, Bangor, Mendham, High Bridge, Pen Argyl, Wind Gap, Clinton, Belvidere, and Harmony. This includes the following highways. Interstate 78 in New Jersey near mile marker 0, and between mile markers 3 and 38. Interstate 287 in New Jersey between mile markers 14 and 36.

At 346 PM EDT, a severe thunderstorm was located over Washington, or 15 miles east of Easton, moving east at 45 mph. HAZARD. 60 mph wind gusts. SOURCE. Public. At 330 PM in Nazareth in Northampton County PA, large branches were reported snapped along with estimated winds of 60 mph. IMPACT. Damage to roofs, siding, trees, and power lines is possible. Locations impacted include. Morristown, Bridgewater, Hackettstown, Washington, Morris Plains, Mendham, High Bridge, Clinton, Belvidere, Harmony, Peapack And Gladstone, Oxford, Alpha, Glen Gardner, Chester, Hampton, Lebanon, Califon, Far Hills, and Bloomsbury. This includes the following highways. Interstate 78 in New Jersey near mile marker 0, between mile markers 4 and 11, and between mile markers 17 and 38. Interstate 287 in New Jersey between mile markers 18 and 36.

At 401 PM EDT, a severe thunderstorm was located near Peapack And Gladstone, or 12 miles northwest of Somerville, moving east at 45 mph. HAZARD. 60 mph wind gusts. SOURCE. Public. IMPACT. Damage to roofs, siding, trees, and power lines is possible. Locations impacted include. Morristown, Bridgewater, Hackettstown, Morris Plains, Mendham, High Bridge, Clinton, Peapack And Gladstone, Glen Gardner, Chester, Hampton, Lebanon, Califon, Far Hills, Long Valley, Annandale, Martinsville, Millington, White House Station, and Basking Ridge. This includes the following highways. Interstate 78 in New Jersey between mile markers 17 and 38. Interstate 287 in New Jersey between mile markers 18 and 36.

SVRPHI The National Weather Service in Mount Holly NJ has issued a * Severe Thunderstorm Warning for. Southeastern Berks County in eastern Pennsylvania. Montgomery County in southeastern Pennsylvania. Northeastern Chester County in southeastern Pennsylvania. Northeastern Delaware County in southeastern Pennsylvania. * Until 430 PM EDT. * At 352 PM EDT, a severe thunderstorm was located over Pughtown, or 15 miles north of West Chester, moving east at 30 mph. HAZARD. 60 mph wind gusts and penny size hail. SOURCE. Radar indicated. IMPACT. Damage to roofs, siding, trees, and power lines is possible. * Locations impacted include. Philadelphia, West Chester, Norristown, Pottstown, Phoenixville, Lansdale, West Norriton, East Norriton, Coatesville, Yeadon, Downingtown, Conshohocken, Hatboro, Ambler, Birdsboro, Collegeville, Royersford, Jenkintown, Narberth, and Trappe. This includes the following highways. Pennsylvania Turnpike between mile markers 296 and 343. Northeast Extension between mile markers 21 and 30. Interstate 76 in Pennsylvania between mile markers 327 and 338. Interstate 476 in Pennsylvania between mile markers 5 and 19. Interstate 176 in Pennsylvania between mile markers 1 and 9.

SVRPHI The National Weather Service in Mount Holly NJ has issued a * Severe Thunderstorm Warning for. East central Berks County in eastern Pennsylvania. Southeastern Lehigh County in eastern Pennsylvania. Northern Montgomery County in southeastern Pennsylvania. Central Bucks County in southeastern Pennsylvania. * Until 430 PM EDT. * At 346 PM EDT, a severe thunderstorm was located over Bally, or 16 miles south of Allentown, moving east at 35 mph. HAZARD. 60 mph wind gusts and penny size hail. SOURCE. Radar indicated. IMPACT. Damage to roofs, siding, trees, and power lines is possible. * Locations impacted include. Lansdale, Quakertown, Perkasie, Doylestown, Souderton, Bedminster, Chalfont, Tinicum, Hatfield, East Greenville, New Hope, Dublin, Schwenksville, Bally, Ivyland, Stockton, Green Lane, Fricks, Zionsville, and Spring Mount. This includes Northeast Extension between mile markers 30 and 47.

SEVERE THUNDERSTORM WATCH 489 REMAINS VALID UNTIL 7 PM EDT THIS EVENING FOR THE FOLLOWING AREAS IN DELAWARE THIS WATCH INCLUDES 1 COUNTY IN NORTHERN DELAWARE NEW CASTLE IN NEW JERSEY THIS WATCH INCLUDES 13 COUNTIES IN CENTRAL NEW JERSEY MERCER MONMOUTH IN NORTHERN NEW JERSEY HUNTERDON MIDDLESEX MORRIS SOMERSET SUSSEX WARREN IN SOUTHERN NEW JERSEY BURLINGTON CAMDEN GLOUCESTER OCEAN SALEM IN PENNSYLVANIA THIS WATCH INCLUDES 10 COUNTIES IN EAST CENTRAL PENNSYLVANIA BERKS LEHIGH NORTHAMPTON IN NORTHEAST PENNSYLVANIA CARBON MONROE IN SOUTHEAST PENNSYLVANIA BUCKS CHESTER DELAWARE MONTGOMERY PHILADELPHIA THIS INCLUDES THE CITIES OF ALLENTOWN, BETHLEHEM, BLAIRSTOWN, CAMDEN, CHERRY HILL, DEPTFORD, DOYLESTOWN, EAST BRUNSWICK, EASTON, EDISON, FLEMINGTON, FREEHOLD, GLASSBORO, JIM THORPE, MEDIA, MOORESTOWN, MORRISTOWN, MOUNT HOLLY, NEW BRUNSWICK, NEWTON, NORRISTOWN, NORTH BRUNSWICK TOWNSHIP, PENNSVILLE, PERTH AMBOY, PHILADELPHIA, READING, SAYREVILLE, SOMERSET, STROUDSBURG, TOMS RIVER, TRENTON, WEST CHESTER, AND WILMINGTON.