Moderate

* WHAT...Visibility one quarter mile or less in dense fog. * WHERE...Mainland Dare, Mainland Hyde, Martin, Tyrrell, and Washington Counties. * WHEN...Until 9 AM EDT this morning. * IMPACTS...Low visibility could make driving conditions hazardous. If driving, slow down, use your headlights, do not use your high-beams, and leave plenty of distance ahead of you.

* WHAT...Visibility one quarter mile or less in dense fog. * WHERE...A portion of eastern North Carolina. * WHEN...Until 9 AM EDT this morning. * IMPACTS...Low visibility could make driving conditions hazardous. If driving, slow down, use your headlights, do not use your high-beams, and leave plenty of distance ahead of you.

* WHAT...Visibility one quarter mile or less in dense fog. * WHERE...Portions of east central Georgia and central South Carolina. * WHEN...Until 10 AM EDT this morning. * IMPACTS...Low visibility could make driving conditions hazardous. If driving, slow down, use your headlights, and leave plenty of distance ahead of you.

* WHAT...Visibility one quarter mile or less in dense fog. * WHERE...In Georgia, Burke County. In South Carolina, the eastern Midlands. * WHEN...Until 10 AM EDT this morning. * IMPACTS...Low visibility could make driving conditions hazardous. If driving, slow down, use your headlights, and leave plenty of distance ahead of you.

* WHAT...North winds 20 to 30 kt with gusts up to 35 kt and steep to very steep and hazardous wind driven seas 7 to 10 ft. * WHERE...All areas will experience conditions hazardous to small craft. Very steep and hazardous seas are expected south of Gold Beach and beyond 5 nm from shore. * WHEN...For the Small Craft Advisory, until 5 AM PDT Sunday. For the Hazardous Seas Warning, until 5 AM PDT Friday. * IMPACTS...Very steep and hazardous seas could capsize or damage vessels. Bar crossings will become especially

Areas of fog have developed this morning across interior portions of the Piedmont and the Virginia border counties. This includes the far northern Piedmont, northern and western parts of the Triangle and the southern Piedmont. Visibilities may be reduced at to a half mile or less at times, especially in Halifax, Franklin, Chatham, and Anson Counties. If driving this morning, make sure to allow extra driving time to reach your destination.

* WHAT...High temperatures up to 103 degrees expected. * WHERE...San Joaquin Valley and Sierra Foothills. * WHEN...From 11 AM Saturday to 10 PM PDT Sunday. * IMPACTS...Hot temperatures may cause heat illnesses. * ADDITIONAL DETAILS...Moderate to major risk of heat-related illnesses for much of the population, especially those without effective cooling or hydration. Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors.

* WHAT...dangerous rip currents. * WHERE...Coastal Palm Beach County, Coastal Broward County and Coastal Miami Dade County. * WHEN...through Saturday evening. * IMPACTS...Rip currents can sweep even the best swimmers away from shore into deeper water. Do not drive through flooded roadways. 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 shore and call or wave for help.

* WHAT...Temperatures in the middle 90s to near 103 expected. Mild lows in the upper 60s to middle 70s in the higher elevations will limit overnight recovery. * WHERE...The East Bay and San Francisco Bay Shoreline, The Santa Clara Valley and Eastern Hills, Western Sonoma County Hills, The Santa Cruz Mountains, Interior Monterey County and the Santa Lucia Range, Most of San Benito County and the Cholame Hills in Southeast Monterey County, North Bay Interior Mountains, and Southern Salinas

Patchy dense fog will restrict visibilities to less than one-half of a mile across portions of east-central Georgia. The fog should lift after 9 AM. If driving this morning, slow down, use low-beam headlights and leave extra distance between you and the vehicle in front of you.