Expected

* WHAT...High temperatures up to 103 expected. * WHERE...A portion of central California. * WHEN...From 11 AM this morning to 11 PM PDT Saturday. * IMPACTS...Hot temperatures may cause heat illnesses. * ADDITIONAL DETAILS...-Moderate Heat Risk Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors.

Webcam and satellite imagery is showing fog across Delta County this morning, with some spots getting down to around 1/4 mile. Commuters and travelers should slow down and use their low beam headlights in order to navigate the fog safely.

* WHAT...Strong longshore currents in the surf zone. * WHERE...The beaches from Cape Hatteras to Cape Lookout and beaches from Surf City to Beaufort Inlet. * WHEN...From 8 AM EDT this morning through this evening. * IMPACTS...Strong longshore currents will create dangerous swimming conditions. Strong longshore currents can sweep swimmers and surfers into rip currents, piers, jetties and other hazardous areas. In many cases, the longshore current is strong enough to prevent swimmers

* WHAT...Dangerous rip currents and breaking waves due to elevated surf of 3 to 6 feet with local sets to 7 feet on south facing beaches. * WHERE...Ventura County Beaches. * WHEN...Through this evening. * IMPACTS...There is an increased risk of ocean drowning. Rip currents can pull swimmers and surfers out to sea. Waves can wash people off beaches and rocks, and capsize small boats nearshore. Remain out of the water due to hazardous swimming conditions, or

* WHAT...Strong south to north longshore current. There is also a Moderate Risk of rip currents expected. * WHERE...In North Carolina, Coastal Pender and Coastal New Hanover Counties. In South Carolina, Coastal Horry and Coastal Georgetown Counties. * WHEN...Through this 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.

At 314 AM CDT, Doppler radar was tracking a strong thunderstorm over Bradshaw, or 7 miles west of York, moving northeast at 35 mph. HAZARD...Wind gusts of 50 to 55 mph and nickel 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. This strong thunderstorm will be near... York around 320 AM CDT. This includes Interstate 80 between mile markers 341 and 365. If outdoors, consider seeking shelter inside a building.

* 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...From this evening through Friday morning. * IMPACTS...Strong currents can pull swimmers into deeper water and high waves can sweep people off piers. * ADDITIONAL DETAILS...Winds will increase this evening out of the southwest building waves to 3 to 6 feet tonight. The waves will

* WHAT...Heat index values around 105 degrees expected. * WHERE...Portions of southeast Arkansas, northeast Louisiana, and central, north central, northwest, south central, southeast, southwest, and west central Mississippi. * WHEN...From 11 AM Friday to 8 PM CDT Saturday. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses. Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors.

* WHAT...High waves and dangerous currents expected. * WHERE...Beaches along Lake Michigan in Door, Kewaunee and Manitowoc Counties. * WHEN...From this evening through Friday morning. * IMPACTS...Dangerous swimming conditions are expected. Strong currents can pull swimmers into deeper water and high waves can sweep people off piers. * ADDITIONAL DETAILS...Several beaches that will be most susceptible to the dangerous swimming conditions include... Rock Island State Beach, Baileys Harbor beaches and Whitefish

* WHAT...Increased risk of sneaker waves and strong rip currents due to long period southerly swell. * WHERE...Pacific Coast beaches, especially south and southwest facing beaches, across Sonoma, Marin, San Mateo, and Santa Cruz Counties. * WHEN...Through 9 PM Thursday evening. * IMPACTS...Dangerous swimming and surfing conditions and localized beach erosion can be expected. Sneaker waves can sweep across the shoreline without warning, pulling people into the sea from rocks, jetties and beaches.