* WHAT. Dangerous rip currents expected. * WHERE. Kings (Brooklyn), Southwest Suffolk, Southeast Suffolk, Southern Queens and Southern Nassau Counties. * WHEN. From Wednesday morning through Wednesday 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. Dangerous rip currents expected. * 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.

* WHAT. For the Dense Fog Advisory, dense fog will reduce visibility to less than 1 NM. For the Small Craft Advisory, south winds 15 to 20 kt with gusts up to 35 kt and seas 4 to 6 feet expected. * WHERE. Sandy Hook NJ to Fire Island Inlet NY out 20 nm. * WHEN. For the Dense Fog Advisory, until 2 PM EDT this afternoon. For the Small Craft Advisory, from 2 PM this afternoon to 8 PM EDT Thursday. * IMPACTS. Conditions will be hazardous to small craft. Low visibility will make navigation difficult.

* WHAT. For the Dense Fog Advisory, dense fog will reduce visibility to less than 1 NM. For the Small Craft Advisory, south winds 15 to 20 kt with gusts up to 35 kt and seas 4 to 6 feet expected. * WHERE. Sandy Hook NJ to Fire Island Inlet NY out 20 nm. * WHEN. For the Dense Fog Advisory, until 2 PM EDT this afternoon. For the Small Craft Advisory, from 2 PM this afternoon to 8 PM EDT Thursday. * IMPACTS. Conditions will be hazardous to small craft. Low visibility will make navigation difficult.

* WHAT. Heat index values up to 100 expected. * WHERE. Portions of central New York and northeast Pennsylvania. * WHEN. From noon today to 8 PM EDT this evening. * IMPACTS. Hot temperatures and high humidity may cause heat illnesses.

* WHAT. For the Dense Fog Advisory, dense fog will reduce visibility to 1/4 NM or less. For the Small Craft Advisory, south winds 10 to 20 kt with gusts up to 25 kt and seas 3 to 6 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. For the Dense Fog Advisory, until 2 PM EDT this afternoon. For the Small Craft Advisory, from 2 PM this afternoon to 6 AM EDT Friday. * IMPACTS. Conditions will be hazardous to small craft. Low visibility will make navigation difficult.

* WHAT. For the Dense Fog Advisory, dense fog will reduce visibility to 1/4 NM or less. For the Small Craft Advisory, south winds 10 to 20 kt with gusts up to 25 kt and seas 3 to 6 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. For the Dense Fog Advisory, until 2 PM EDT this afternoon. For the Small Craft Advisory, from 2 PM this afternoon to 6 AM EDT Friday. * IMPACTS. Conditions will be hazardous to small craft. Low visibility will make navigation difficult.

* WHAT. Dangerously hot conditions with heat index values up to 105. * WHERE. In New Jersey, Morris and Warren Counties. In Pennsylvania, Lehigh and Northampton Counties. * WHEN. Until 8 PM EDT this evening. * IMPACTS. Heat related illnesses increase significantly during extreme heat and high humidity events. * ADDITIONAL DETAILS. Greatest heat index values will occur in and around the lower elevations and valleys.

* WHAT. Heat index values up to 103. * WHERE. Sussex County. * WHEN. Until 8 PM EDT this evening. * IMPACTS. Hot temperatures and high humidity may cause heat illnesses.

* WHAT. Heat index values up to 100. * WHERE. Carbon and Monroe Counties. * WHEN. Until 8 PM EDT this evening. * IMPACTS. Hot temperatures and high humidity may cause heat illnesses.

* WHAT. Dangerously hot conditions with heat index values up to 106. * WHERE. In New Jersey, Hunterdon County. In Pennsylvania, Berks, Upper Bucks, Western Chester, and Western Montgomery Counties. * WHEN. Until 8 PM EDT this evening. * IMPACTS. Heat related illnesses increase significantly during extreme heat and high humidity events.

* WHAT. Dangerously hot conditions with heat index values up to 108. * WHERE. Portions of northern Delaware, central, northern, and southern New Jersey, and southeast Pennsylvania. * WHEN. Until 8 PM EDT this evening. * IMPACTS. Heat related illnesses increase significantly during extreme heat and high humidity events.

* WHAT. Dangerously hot conditions with heat index values ranging from 100 to 105 degrees. * WHERE. In New Jersey, Morris and Warren Counties. In Pennsylvania, Lehigh and Northampton Counties. * WHEN. Until 8 PM EDT this evening. * IMPACTS. Heat related illnesses increase significantly during extreme heat and high humidity events.

* WHAT. Heat index values ranging from 95 to 100 degrees across the lower elevations and valleys. * WHERE. Carbon and Monroe Counties. * WHEN. Until 8 PM EDT this evening. * IMPACTS. Hot temperatures and high humidity may cause heat illnesses.

* WHAT. Heat index values ranging from 97 to 102 degrees. * WHERE. Sussex County. * WHEN. Until 8 PM EDT this evening. * IMPACTS. Hot temperatures and high humidity may cause heat illnesses.

* WHAT. Dangerously hot conditions with heat index values ranging from 103 to 108 degrees. * WHERE. In New Jersey, Hunterdon County. In Pennsylvania, Berks, Upper Bucks, Western Chester, and Western Montgomery Counties. * WHEN. Until 8 PM EDT this evening. * IMPACTS. Heat related illnesses increase significantly during extreme heat and high humidity events.

* WHAT. Dangerously hot conditions with heat index values ranging from 104 to 108 degrees. * WHERE. Portions of northern Delaware, central, northern, and southern New Jersey, and southeast Pennsylvania. * WHEN. Until 8 PM EDT this evening. * IMPACTS. Heat related illnesses increase significantly during extreme heat and high humidity events.

* WHAT. For the Dense Fog Advisory, dense fog will reduce visibility to 1/4 NM or less. For the Small Craft Advisory, south winds 10 to 20 kt with gusts up to 30 kt and seas 3 to 6 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. For the Dense Fog Advisory, until 4 PM EDT this afternoon. For the Small Craft Advisory, from 2 PM this afternoon to 6 AM EDT Friday. * IMPACTS. Conditions will be hazardous to small craft. Low visibility will make navigation difficult.

* WHAT. For the Dense Fog Advisory, dense fog will reduce visibility to 1/4 NM or less. For the Small Craft Advisory, south winds 10 to 20 kt with gusts up to 30 kt and seas 3 to 6 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. For the Dense Fog Advisory, until 4 PM EDT this afternoon. For the Small Craft Advisory, from 2 PM this afternoon to 6 AM EDT Friday. * IMPACTS. Conditions will be hazardous to small craft. Low visibility will make navigation difficult.

* WHAT. Heat index values up to 100 expected. * WHERE. Portions of central New York and northeast Pennsylvania. * WHEN. From noon today to 8 PM EDT this evening. * IMPACTS. Hot temperatures and high humidity may cause heat illnesses.

* WHAT. For the Dense Fog Advisory, dense fog will reduce visibility to less than 1 NM. For the Small Craft Advisory, south winds 15 to 20 kt with gusts up to 30 kt and seas 4 to 6 feet expected. * WHERE. Sandy Hook NJ to Fire Island Inlet NY out 20 nm. * WHEN. For the Dense Fog Advisory, until 2 PM EDT this afternoon. For the Small Craft Advisory, from 2 PM this afternoon to 8 PM EDT Thursday. * IMPACTS. Conditions will be hazardous to small craft. Low visibility will make navigation difficult.

* WHAT. For the Dense Fog Advisory, dense fog will reduce visibility to less than 1 NM. For the Small Craft Advisory, south winds 15 to 20 kt with gusts up to 30 kt and seas 4 to 6 feet expected. * WHERE. Sandy Hook NJ to Fire Island Inlet NY out 20 nm. * WHEN. For the Dense Fog Advisory, until 2 PM EDT this afternoon. For the Small Craft Advisory, from 2 PM this afternoon to 8 PM EDT Thursday. * IMPACTS. Conditions will be hazardous to small craft. Low visibility will make navigation difficult.

* WHAT. Heat index values up to 97. * WHERE. Northern Fairfield, Northern Middlesex, Northern New Haven, Northern New London, Southern Fairfield, and Southern New Haven Counties. * WHEN. Until 8 PM EDT this evening. * IMPACTS. Hot temperatures and high humidity may cause heat illnesses.

* WHAT. Heat index values up to 102. * WHERE. Eastern Bergen, Eastern Essex, Eastern Passaic, Eastern Union, Hudson, Western Bergen, Western Essex, Western Passaic, and Western Union Counties. * WHEN. Until 8 PM EDT this evening. * IMPACTS. Hot temperatures and high humidity may cause heat illnesses.

* WHAT. Heat index values up to 96. * WHERE. Northern Nassau, Northwest Suffolk, and Southern Nassau Counties. * WHEN. Until 8 PM EDT this evening. * IMPACTS. Hot temperatures and high humidity may cause heat illnesses.

* WHAT. Heat index values up to 99. * WHERE. Bronx, Kings (Brooklyn), New York (Manhattan), Northern Queens, Richmond (Staten Island), and Southern Queens Counties. * WHEN. Until 8 PM EDT this evening. * IMPACTS. Hot temperatures and high humidity may cause heat illnesses.

* WHAT. Heat index values up to 101. * WHERE. Northern Westchester, Orange, Putnam, Rockland, and Southern Westchester Counties. * WHEN. Until 8 PM EDT this evening. * IMPACTS. Hot temperatures and high humidity may cause heat illnesses.

* WHAT. Dangerous rip currents expected. * WHERE. Kings (Brooklyn), Southwest Suffolk, Southeast Suffolk, Southern Queens and Southern Nassau Counties. * WHEN. Through Thursday 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.