Moderate

* WHAT...Visibility one quarter mile or less in dense fog. * WHERE...A portion of central Pennsylvania. * WHEN...Until 8 AM EDT this morning. * IMPACTS...Hazardous driving conditions due to reduced visibility. Consider allowing extra time to reach your destination.

* WHAT...Visibility as low as a quarter of a mile in dense fog. * WHERE...Portions of northern and northwest New Jersey and east central, northeast, and southeast Pennsylvania. * WHEN...Until 8 AM EDT Thursday. * IMPACTS...Low visibility could make driving conditions hazardous. If driving, slow down, use your headlights, and leave plenty of distance ahead of you.

* WHAT...Life-threatening rip currents. * WHERE...Exposed beaches of northern, eastern, and southeastern Puerto Rico, Vieques, Culebra, and all the U.S. Virgin Islands. * WHEN...Through Tuesday afternoon. * IMPACTS...Rip currents can sweep even the best swimmers away from shore into deeper water, where it becomes difficult to return to safety. There is a high risk of rip currents. Rip currents are powerful channels of water flowing quickly away from shore, which occur most often at low spots or breaks in the

* WHAT...Southwest winds 25 to 35 mph with gusts up to 60 mph expected. * WHERE...Southwest corner of Imperial County. * WHEN...From 3 PM this afternoon to 5 AM PDT Thursday. * IMPACTS...Difficult driving conditions, especially for larger vehicles traveling along roads with crosswinds. Light, unsecured objects may become airborne. A Wind Advisory means that sustained wind speeds of between 30 and 40 mph are expected, or wind gusts of between 40 and 58 mph. Winds

* WHAT...West winds 20 to 30 mph with gusts up to 50 mph expected. * WHERE...Western Imperial County, and Imperial Valley. * WHEN...From 5 PM this afternoon to 3 AM PDT Wednesday. * IMPACTS...Difficult driving conditions, especially for larger vehicles traveling along roads with crosswinds. Light, unsecured objects may become airborne. A Wind Advisory means that sustained wind speeds of between 30 and 40 mph are expected, or wind gusts of between 40 and 58 mph. Winds

* WHAT...Strong south to north longshore current. There is also a Moderate Risk of rip currents expected. * WHERE...Coastal Pender and Coastal New Hanover Counties. * WHEN...From 6 AM EDT Tuesday through Tuesday evening. * IMPACTS...Longshore currents can sweep swimmers and surfers into rip currents, piers, jetties, and other hazardous areas. It may sweep swimmers off their feet, making it difficult to return to shore. Caution should be used when in or near the water. Check with

* WHAT...Dangerous rip currents. * WHERE...In Alabama, Mobile Coastal and Baldwin Coastal Counties. In Florida, Escambia Coastal, Santa Rosa Coastal and Okaloosa Coastal Counties. * WHEN...Through Friday morning. * IMPACTS...Rip currents can sweep even the best swimmers away from shore into deeper water. Swim near a lifeguard. If caught in a rip current, relax and float. Don't swim against the current. If able, swim in a direction following the shoreline. If unable to escape, face the

* WHAT...Northwest winds 15 to 25 mph with gusts up to 35 mph and waves 1 to 4 feet. * WHERE...Western Nevada Basin and Range including Pyramid Lake. * WHEN...From 5 AM Tuesday to 11 AM PDT Wednesday. * IMPACTS...Small boats, kayaks and paddle boards will be prone to capsizing and should remain off lake waters until conditions improve. Check lake conditions before heading out and be prepared for a sudden increase in winds and wave heights. Consider postponing boating activities on the lake until a day with less wind.

* WHAT...Southwest to west winds 15 to 25 mph with gusts up to 40 mph for Washoe Lake. * WHERE...Greater Reno-Carson City-Minden Area. * WHEN...Until 5 PM PDT Tuesday. * IMPACTS...Small boats, kayaks and paddle boards will be prone to capsizing and should remain off lake waters until conditions improve. Check lake conditions before heading out and be prepared for a sudden increase in winds and wave heights. Consider postponing boating activities on the lake until a day with less wind.

* WHAT...Northwest winds 25 to 35 mph with gusts up to 45 mph for Walker Lake. * WHERE...Mineral and Southern Lyon Counties. * WHEN...From 2 PM Tuesday to 5 AM PDT Wednesday. * IMPACTS...Small boats, kayaks and paddle boards will be prone to capsizing and should remain off lake waters until conditions improve. Check lake conditions before heading out and be prepared for a sudden increase in winds and wave heights. Consider postponing boating activities on the lake until a day with less wind.