Expected

* WHAT...High risk of rip currents expected. * WHERE...Northern Erie County. * WHEN...From 2 PM EDT this afternoon through Wednesday afternoon. * IMPACTS...Wind and wave action will cause currents on the lakeshore. Swimmers should not enter the water. Currents can carry swimmers away from shore through a sand bar and along structures extending out into the lake. Remain out of the water to avoid hazardous swimming conditions.

* WHAT...Long-period southerly swell will bring an increased risk of sneaker waves and strong rip currents. Breaking waves will reach up to 10 feet along some south and southwest facing beaches and break points. * WHERE...Pacific Coast beaches. * WHEN...Through Saturday afternoon. * IMPACTS...Dangerous conditions are forecast along the shoreline. Hazards include sneaker waves, strong rip currents, and large breaking waves. Stay off of jetties, piers, rocks, and other waterside

* WHAT...Visibility one quarter mile or less in dense fog. * WHERE...In Minnesota, Kittson County. In North Dakota, Benson, Cavalier, Eddy, Nelson, Pembina, Ramsey, Towner, Western Walsh, and Griggs Counties. * WHEN...Until 10 AM CDT 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...Dense fog will reduce visibility to less than one nautical mile. * WHERE...Portions of Central and Eastern Lake Superior. * WHEN...Until 8 AM EDT this morning. * IMPACTS...Low visibility will make navigation difficult. If you must navigate, proceed with caution. Use proper fog signals. Make sure all running lights are on. Remember to use your radar and compass.

* WHAT...Dense fog will reduce visibility to less than one nautical mile. * WHERE...Portions of Western Lake Superior. * WHEN...Until noon EDT /11 AM CDT/ today. * IMPACTS...Low visibility will make navigation difficult. If you must navigate, proceed with caution. Use proper fog signals. Make sure all running lights are on. Remember to use your radar and compass.

* WHAT...High wave action, strong currents, and dangerous swimming conditions expected. Piers may be heavily swamped by waves. * WHERE...Mason, Oceana, Muskegon, Ottawa, Allegan and Van Buren counties. * WHEN...Through late Tuesday night. * IMPACTS...Strong currents can pull swimmers into deeper water and high waves can sweep people off piers. * ADDITIONAL DETAILS...Beaches on the north side of north facing piers will be most dangerous. Remain out of the water to avoid hazardous swimming conditions

* WHAT...Visibility one quarter mile or less in dense fog. * WHERE...Portions of northwest and north central North Dakota, including the northern James River Valley. * WHEN...Until 10 AM CDT 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.

At 320 AM EDT, Doppler radar was tracking the leading edge of a multiple county area of strong thunderstorms along a line extending from near Williamsport to Danville to Shamokin to 17 miles southwest of Kulpmont. Movement was east northeast at 20 mph. HAZARD...Wind gusts up to 50 mph and pea size hail. SOURCE...Radar indicated. IMPACT...Gusty winds could knock down tree limbs and blow around unsecured objects. Minor hail damage to vegetation is possible. Locations impacted include...

* WHAT...Dangerous rip currents expected. * WHERE...Kings (Brooklyn), Southwest Suffolk, Southeast Suffolk, Southern Queens and Southern Nassau Counties. * WHEN...From 6 AM EDT this morning through this 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...The high risk may continue on Wednesday, mainly

* WHAT...High swim risk from high wave action, rip currents and longshore currents. Dangerous swimming conditions are expected. * WHERE...Huron, Sanilac and St. Clair Counties. * WHEN...From 8 AM EDT this morning through this evening. * IMPACTS...Strong currents can pull swimmers into deep water and prevent return to shore. Remain out of the water to avoid hazardous swimming conditions.