* WHAT. Heat index values up to 100 expected. * WHERE. Eastern Bergen, Eastern Essex, Eastern Passaic, Eastern Union, Hudson, Western Bergen, Western Essex, and Western Union Counties. * WHEN. From noon today to 8 PM EDT Saturday. * IMPACTS. Hot temperatures and high humidity may cause heat illnesses.

* WHAT. Dangerous rip currents expected. * WHERE. Southwest Suffolk and Southeast Suffolk Counties. * WHEN. From Saturday morning through Saturday 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. * ADDITIONAL DETAILS. Moderate to high risk of rip currents likely on Sunday.

* WHAT. Dangerous rip currents expected. * WHERE. Kings (Brooklyn), Southern Queens and Southern Nassau Counties. * WHEN. From 11 AM EDT this morning through Saturday 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. * ADDITIONAL DETAILS. Moderate to high risk of rip currents likely on Sunday.

* WHAT. South winds 5 to 15 kt and seas 3 to 5 feet. * WHERE. Sandy Hook NJ to Fire Island Inlet NY out 20 nm. * WHEN. Until 2 PM EDT Sunday. * IMPACTS. Conditions will be hazardous to small craft. * ADDITIONAL DETAILS. Periods of patchy dense fog possible tonight into Saturday Night.

* WHAT. Dangerous rip currents expected. * WHERE. Southwest Suffolk and Southeast Suffolk Counties. * WHEN. Through early Saturday 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), Southern Queens and Southern Nassau Counties. * WHEN. Through early Saturday 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.

The New Jersey Department of Environmental Protection has issued a Code Orange Air Quality Action Day for Ground Level Ozone, from 11 AM to 11 PM EDT Sunday. An Air Quality Advisory means that air quality within the region may approach or exceed unhealthy standards. For more information on current and forecast concentrations of ground-level ozone and fine particulates, visit www.airnow.gov or www.state.nj.us/dep/airmon/ or call the New Jersey Bureau of Air Monitoring at 609-292-0138

* WHAT. South winds 15 to 20 kt with gusts up to 25 kt and seas 3 to 5 ft. * 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. Until 8 PM EDT Saturday. * IMPACTS. Conditions will be hazardous to small craft.

* WHAT. Heat index values ranging from 100 to 104. * WHERE. Western Monmouth, Ocean, and Southeastern Burlington Counties. * WHEN. Until 8 PM EDT Saturday. * IMPACTS. Hot temperatures and high humidity may cause heat illnesses. * ADDITIONAL DETAILS. Very warm and humid conditions tonight will offer little relief from the heat.

* WHAT. Heat index values up to 101. * WHERE. Sussex and Warren Counties. * WHEN. Until 8 PM EDT Saturday. * IMPACTS. Hot temperatures and high humidity may cause heat illnesses. * ADDITIONAL DETAILS. Very warm and humid conditions tonight will offer little relief from the heat.

* WHAT. Heat index values ranging from 100 to 103. * WHERE. Morris County. * WHEN. Until 8 PM EDT Saturday. * IMPACTS. Hot temperatures and high humidity may cause heat illnesses. * ADDITIONAL DETAILS. Very warm and humid conditions tonight will offer little relief from the heat.

* WHAT. Heat index values up to 102. * WHERE. In New Jersey, Hunterdon County. In Pennsylvania, Berks, Lehigh, Northampton, Upper Bucks, Western Chester, and Western Montgomery Counties. * WHEN. Until 8 PM EDT Saturday. * IMPACTS. Hot temperatures and high humidity may cause heat illnesses. * ADDITIONAL DETAILS. Very warm and humid conditions tonight will offer little relief from the heat.

* WHAT. Heat index values ranging from 100 to 104. * WHERE. Portions of northern Delaware, central and southern New Jersey, and southeast Pennsylvania. * WHEN. Until 8 PM EDT Saturday. * IMPACTS. Hot temperatures and high humidity may cause heat illnesses. * ADDITIONAL DETAILS. Very warm and humid conditions tonight will offer little relief from the heat, especially in urbanized areas.

* WHAT. Heat index values ranging from 100 to 104. * WHERE. Middlesex and Somerset Counties. * WHEN. Until 8 PM EDT Saturday. * IMPACTS. Hot temperatures and high humidity may cause heat illnesses. * ADDITIONAL DETAILS. Very warm and humid conditions tonight will offer little relief from the heat.

* WHAT. Heat index values of 95 to 100 * WHERE. In New Jersey, Western Passaic County. In New York, Orange and Rockland Counties. * WHEN. From noon to 8 PM EDT Saturday. * IMPACTS. Hot temperatures and high humidity may cause heat illnesses.

* WHAT. Heat index values up to 100. * WHERE. Eastern Bergen, Eastern Essex, Eastern Passaic, Eastern Union, Hudson, Western Bergen, Western Essex, and Western Union Counties. * WHEN. Until 8 PM EDT Saturday. * IMPACTS. Hot temperatures and high humidity may cause heat illnesses.