Moderate

* WHAT...Sub-freezing temperatures as cold as 30 degrees expected. * WHERE...Crawford and Southern Erie Counties. * WHEN...Until 9 AM EDT Saturday. * IMPACTS...Frost and freeze conditions could kill crops, other sensitive vegetation and possibly damage unprotected outdoor plumbing. Take steps now to protect tender plants from the cold.

* WHAT...Sub-freezing temperatures as low as 30 expected. * WHERE...Forest, Jefferson PA, Mercer, Venango, Lawrence, Armstrong, Butler, and Clarion Counties. * WHEN...From midnight tonight to 8 AM EDT Saturday. * IMPACTS...Frost and freeze conditions could kill crops, other sensitive vegetation and possibly damage unprotected outdoor plumbing. Take steps now to protect tender plants from the cold.

* WHAT...Dangerous rip currents and strong longshore currents in the surf zone. * WHERE...The beaches north of Cape Hatteras. * WHEN...From 8 AM EDT Saturday through Saturday evening. * IMPACTS...Rip currents can sweep even the best swimmers away from shore into deeper water. Strong longshore currents will create dangerous swimming conditions. * ADDITIONAL DETAILS...The most likely time for strong rip currents to occur is a couple hours either side of low tide, which will occur around 2:00 PM Saturday.

* WHAT...Strong north to south longshore current. There is also a Moderate Risk of rip currents expected at New Hanover beaches. * WHERE...In North Carolina, Coastal New Hanover County. In South Carolina, Coastal Georgetown County. * WHEN...From 6 AM EDT Saturday through Saturday 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.

* WHAT...Sub-freezing temperatures as low as 25 expected. * WHERE...Portions of central, south central, southwest, and west central Michigan. * WHEN...From midnight tonight to 9 AM EDT Saturday. * IMPACTS...Frost and freeze conditions could kill crops, other sensitive vegetation and possibly damage unprotected outdoor plumbing. Take steps now to protect tender plants from the cold.

Gusty southeast winds will persist across the Anchorage Hillside and Palmer through tonight. Northerly winds currently across the Anchorage Bowl will eventually turn southeasterly late this afternoon into the early evening hours. Southeast winds will begin to diminish late tonight across the Anchorage Hillside and Palmer. However, southeast winds will continue through Turnagain Arm and bend into the Anchorage Bowl through Saturday, but not to

* WHAT...Sub-freezing temperatures as low as 29 expected. * WHERE...Portions of east central, south central, and southeast Wisconsin. * WHEN...From midnight tonight to 8 AM CDT Saturday. * IMPACTS...Frost and freeze conditions could kill crops, other sensitive vegetation and possibly damage unprotected outdoor plumbing. Take steps now to protect tender plants from the cold.

* WHAT...Dangerous rip currents. * WHERE...Coastal Palm Beach County. * WHEN...Through Saturday evening. * 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 shore and call or wave for help.

* WHAT...Increased threat of sneaker waves expected. * WHERE...Coastal Del Norte, Northern Coastal Humboldt, Southwestern Humboldt and Coastal Mendocino Counties. * WHEN...From Saturday evening through Sunday evening. . * IMPACTS...Large, unexpected waves can sweep across the beach without warning, sweeping people into the sea from rocks, jetties, and beaches. These sneaker waves can also move large objects such as logs, crushing anyone caught underneath. Don't be fooled by an ocean that looks calm. There can be

* WHAT...For the Freeze Warning, sub-freezing temperatures as low as 32 expected. For the Freeze Watch, sub-freezing temperatures as low as 29 possible. * WHERE...Northwest Pocahontas, Northwest Randolph, Southeast Pocahontas, Southeast Randolph, and Southeast Webster Counties. * WHEN...For the Freeze Warning, from 2 AM to 9 AM EDT Saturday. For the Freeze Watch, from late Saturday night through Sunday morning. * IMPACTS...Frost and freeze conditions could kill crops, other