Moderate

* WHAT...This level of heat affects most individuals sensitive to heat, especially those without effective cooling and/or adequate hydration. * WHERE...Puerto Rico and U.S. Virgin Islands. * WHEN...From 10 AM this morning to 4 PM AST this afternoon. * IMPACTS...High temperatures or elevated heat indices can worsen symptoms in people with chronic conditions. They can also increase the risk of heat-related illness among individuals sensitive to heat with inadequate cooling or hydration. These risks are highest

* WHAT...For the High Rip Current Risk, dangerous rip currents expected. For the High Surf Advisory, large breaking waves of 4 to 6 feet expected in the South Carolina surf zone and 5 to 7 feet expected in the Georgia surf zone. * WHERE...South Carolina Beaches, and Georgia Beaches. * WHEN...For the High Rip Current Risk, from 8 AM EDT this morning through this evening. For the High Surf Advisory, from noon today to 2 PM EDT Wednesday. * IMPACTS...Dangerous swimming and surfing conditions and

* WHAT...Visibility one quarter mile or less in dense fog. * WHERE...Central Susitna Valley and Southern Susitna Valley. * WHEN...Until 10 AM AKDT Tuesday. * IMPACTS...Hazardous driving conditions due to low visibility. A dense fog advisory means visibilities will frequently be reduced to less than one quarter mile. If driving, slow down, use your headlights, and leave plenty of distance ahead of you.

* WHAT...West winds 20 to 30 mph with gusts up to 50 mph expected. * WHERE...Central Piscataquis, Northern Penobscot, Southeast Aroostook, Northeast Aroostook, Northwest Aroostook, Northern Somerset, and Northern Piscataquis Counties. * WHEN...From 8 AM this morning to 5 PM EDT this afternoon. * IMPACTS...Gusty winds will blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. Strong winds will also create wind chills as low as 10 to 20 degrees on mountain tops.

* WHAT...West winds 20 to 30 mph with gusts up to 50 mph expected. * WHERE...Central Piscataquis, Northern Penobscot, Southeast Aroostook, Northeast Aroostook, Northwest Aroostook, Northern Somerset, and Northern Piscataquis Counties. * WHEN...From 8 AM this morning to 5 PM EDT this afternoon. * IMPACTS...Gusty winds will blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. Strong winds will also create wind chills as low as 10 to 20 degrees on mountain tops.

* WHAT...High temperatures of 95 to 105 with overnight temperatures in the high 50s and 60s. Moderate to localized Major HeatRisk. * WHERE...Mendocino Interior, and Lake County. * WHEN...Until 10 PM PDT Thursday. * IMPACTS...Hot temperatures 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...South winds 15 to 25 mph with gusts up to 40 mph. * WHERE...Municipality of Skagway. * WHEN...Until 9 PM AKDT this evening. * IMPACTS...Gusty winds will blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. Secure outdoor objects.

* WHAT...For the Beach Hazards Statement, dangerous rip currents expected. For the Coastal Flood Advisory, minor coastal flooding expected. * WHERE...San Diego County Coastal Areas and Orange County Coastal Areas. * WHEN...For the Beach Hazards Statement, from Tuesday afternoon through Friday evening. For the Coastal Flood Advisory, from 6 AM Wednesday to 11 AM PDT Friday. * IMPACTS...Flooding of lots, parks, and roads with only isolated road closures expected. Minor coastal erosion is also expected.

* WHAT...Dangerous rip currents expected. * WHERE...In Alabama, Mobile Coastal and Baldwin Coastal Counties. In Florida, Escambia Coastal, Santa Rosa Coastal and Okaloosa Coastal Counties. * WHEN...From 6 AM CDT Tuesday through late Saturday night. * 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

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