New York weather instruments

* WHAT...For the High Rip Current Risk, dangerous rip currents. For the Coastal Flood Advisory, up to one foot of inundation above ground level expected in vulnerable areas near the waterfront and shoreline. For the Coastal Flood Watch, two to three feet of inundation above ground level possible in vulnerable areas near the waterfront and shoreline.

* WHERE...Southern Nassau County.

* WHEN...For the High Rip Current Risk, through Friday afternoon. For the Coastal Flood Advisory, from 7 PM this evening to 9 AM EDT Friday. For the Coastal Flood Watch, from Friday evening through Saturday morning.

* IMPACTS...Widespread flooding of vulnerable areas near the waterfront and shoreline, including roads, parking lots, parks, lawns, and homes and businesses with basements near the waterfront. Numerous road closures are likely, and vehicles parked in vulnerable areas near the waterfront will likely become flooded. 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...Beach flooding and erosion likely Friday into the weekend.

What to do

If travel is required, allow extra time as some roads may be closed. Do not drive around barricades or through water of unknown depth. Take the necessary actions to protect flood-prone property.

If you enter the surf zone, always have a flotation device with you and swim near a lifeguard. If caught in a rip current, relax and float, and do not swim against the current. If able, swim in a direction following the shoreline. If unable to escape, face the shore and yell or wave for help.

* WHAT...For the High Rip Current Risk, dangerous rip currents. For the Coastal Flood Advisory, up to one foot of inundation above ground level expected in vulnerable areas near the waterfront and shoreline. For the Coastal Flood Watch, two to three feet of inundation above ground level possible in vulnerable areas near the waterfront and shoreline.

* WHERE...Southern Nassau County.

* WHEN...For the High Rip Current Risk, through Friday afternoon. For the Coastal Flood Advisory, from 7 PM this evening to 9 AM EDT Friday. For the Coastal Flood Watch, from Friday evening through Saturday morning.

* IMPACTS...Widespread flooding of vulnerable areas near the waterfront and shoreline, including roads, parking lots, parks, lawns, and homes and businesses with basements near the waterfront. Numerous road closures are likely, and vehicles parked in vulnerable areas near the waterfront will likely become flooded. 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...Beach flooding and erosion likely Friday into the weekend.

What to do

If travel is required, allow extra time as some roads may be closed. Do not drive around barricades or through water of unknown depth. Take the necessary actions to protect flood-prone property.

If you enter the surf zone, always have a flotation device with you and swim near a lifeguard. If caught in a rip current, relax and float, and do not swim against the current. If able, swim in a direction following the shoreline. If unable to escape, face the shore and yell or wave for help.

* WHAT...For the High Rip Current Risk, dangerous rip currents. For the Coastal Flood Advisory, up to one half foot of inundation above ground level expected in vulnerable areas near the waterfront and shoreline.

* WHERE...Southwest Suffolk County.

* WHEN...For the High Rip Current Risk, through Friday afternoon. For the Coastal Flood Advisory, from 7 PM this evening to 9 AM EDT Friday.

* IMPACTS...Brief minor flooding of the more vulnerable locations near the waterfront and shoreline. 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...Additional Coastal Flood Advisories, likely needed for Friday PM and Saturday AM high tide cycles. Moderate coastal flooding can also not be ruled out for Friday PM and Saturday AM.

What to do

If travel is required, allow extra time as some roads may be closed. Do not drive around barricades or through water of unknown depth. Take the necessary actions to protect flood-prone property.

If you enter the surf zone, always have a flotation device with you and swim near a lifeguard. If caught in a rip current, relax and float, and do not swim against the current. If able, swim in a direction following the shoreline. If unable to escape, face the shore and yell or wave for help.

* WHAT...For the High Rip Current Risk, dangerous rip currents. For the Coastal Flood Statement, up to one foot of inundation above ground level expected in vulnerable areas near the waterfront and shoreline.

* WHERE...Kings (Brooklyn) and Southern Queens Counties.

* WHEN...For the High Rip Current Risk, through Friday afternoon. For the Coastal Flood Statement, from this evening through Friday morning.

* IMPACTS...Brief minor flooding of the more vulnerable locations near the waterfront and shoreline. 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...Additional Coastal Flood Advisories, likely needed for Friday PM and Saturday AM high tide cycles. Moderate coastal flooding can also not be ruled out for Friday PM and Saturday AM, mainly for Southern Queens.

What to do

Do not drive through flooded roadways.

If you enter the surf zone, always have a flotation device with you and swim near a lifeguard. If caught in a rip current, relax and float, and do not swim against the current. If able, swim in a direction following the shoreline. If unable to escape, face the shore and yell or wave for help.

* WHAT...Up to one foot of inundation above ground level expected in vulnerable areas near the waterfront and shoreline.

* WHERE...In New Jersey, Hudson, Eastern Essex and Eastern Union Counties. In New York, Richmond (Staten Island) County.

* WHEN...From this evening through Friday morning.

* IMPACTS...Brief minor flooding of the more vulnerable locations near the waterfront and shoreline.

* ADDITIONAL DETAILS...Additional Coastal Flood Statement or Advisories, likely needed for Friday PM and Saturday AM high tide cycles. Moderate coastal flooding can also not be ruled out for Friday PM and Saturday AM.

What to do

Do not drive through flooded roadways.

* WHAT...For the High Rip Current Risk, dangerous rip currents. For the Coastal Flood Advisory, up to one foot of inundation above ground level expected in vulnerable areas near the waterfront and shoreline. For the Coastal Flood Watch, two to three feet of inundation above ground level possible in vulnerable areas near the waterfront and shoreline.

* WHERE...Southern Nassau County.

* WHEN...For the High Rip Current Risk, through Friday afternoon. For the Coastal Flood Advisory, from 7 PM this evening to 9 AM EDT Friday. For the Coastal Flood Watch, from Friday evening through Saturday morning.

* IMPACTS...Widespread flooding of vulnerable areas near the waterfront and shoreline, including roads, parking lots, parks, lawns, and homes and businesses with basements near the waterfront. Numerous road closures are likely, and vehicles parked in vulnerable areas near the waterfront will likely become flooded. 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...Beach flooding and erosion likely Friday into the weekend.

What to do

If travel is required, allow extra time as some roads may be closed. Do not drive around barricades or through water of unknown depth. Take the necessary actions to protect flood-prone property.

If you enter the surf zone, always have a flotation device with you and swim near a lifeguard. If caught in a rip current, relax and float, and do not swim against the current. If able, swim in a direction following the shoreline. If unable to escape, face the shore and yell or wave for help.

* WHAT...For the High Rip Current Risk, dangerous rip currents. For the Coastal Flood Advisory, up to one half foot of inundation above ground level expected in vulnerable areas near the waterfront and shoreline.

* WHERE...Southwest Suffolk County.

* WHEN...For the High Rip Current Risk, through Friday afternoon. For the Coastal Flood Advisory, from 7 PM this evening to 9 AM EDT Friday.

* IMPACTS...Brief minor flooding of the more vulnerable locations near the waterfront and shoreline. 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...Additional Coastal Flood Advisories, likely needed for Friday PM and Saturday AM high tide cycles. Moderate coastal flooding can also not be ruled out for Friday PM and Saturday AM.

What to do

If travel is required, allow extra time as some roads may be closed. Do not drive around barricades or through water of unknown depth. Take the necessary actions to protect flood-prone property.

If you enter the surf zone, always have a flotation device with you and swim near a lifeguard. If caught in a rip current, relax and float, and do not swim against the current. If able, swim in a direction following the shoreline. If unable to escape, face the shore and yell or wave for help.

* WHAT...For the High Rip Current Risk, dangerous rip currents. For the Coastal Flood Statement, up to one foot of inundation above ground level expected in vulnerable areas near the waterfront and shoreline.

* WHERE...Kings (Brooklyn) and Southern Queens Counties.

* WHEN...For the High Rip Current Risk, through Friday afternoon. For the Coastal Flood Statement, from this evening through Friday morning.

* IMPACTS...Brief minor flooding of the more vulnerable locations near the waterfront and shoreline. 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...Additional Coastal Flood Advisories, likely needed for Friday PM and Saturday AM high tide cycles. Moderate coastal flooding can also not be ruled out for Friday PM and Saturday AM, mainly for Southern Queens.

What to do

Do not drive through flooded roadways.

If you enter the surf zone, always have a flotation device with you and swim near a lifeguard. If caught in a rip current, relax and float, and do not swim against the current. If able, swim in a direction following the shoreline. If unable to escape, face the shore and yell or wave for help.

* WHAT...Dangerous rip currents.

* WHERE...Southeast Suffolk County.

* WHEN...Through Friday afternoon.

* 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...Coastal Flood Advisories will likely be needed for Friday PM and Saturday AM high tides. Localized moderate coastal flooding can also not be ruled out.

What to do

If you enter the surf zone, always have a flotation device with you and swim near a lifeguard. If caught in a rip current, relax and float, and do not swim against the current. If able, swim in a direction following the shoreline. If unable to escape, face the shore and yell or wave for help.