Moderate

* WHAT...High temperatures of 95 to 102 with overnight temperatures in the high 50s and 60s. Moderate to localized Major HeatRisk. * WHERE...Mendocino Interior, and Lake County. * WHEN...Until 11 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...For the Beach Hazards Statement, 3 to 5 foot surf and dangerous rip currents expected. For the Coastal Flood Advisory, minor coastal flooding around high tides expected. * WHERE...San Diego County Coastal Areas and Orange County Coastal Areas. * WHEN...For the Beach Hazards Statement, through Friday evening. For the Coastal Flood Advisory, from 6 AM Wednesday to 11 AM PDT Friday. * IMPACTS...Flooding of beach parking lots, boardwalks, and roads with only isolated road closures expected. Minor coastal erosion is also expected.

* WHAT...For the High Surf Advisory, large breaking waves of 1 to 5 feet in the surf zone. For the High Rip Current Risk, dangerous rip currents. * WHERE...Georgia Beaches. * WHEN...For the High Surf Advisory, until 2 PM EDT Wednesday. For the High Rip Current Risk, through Wednesday evening. * IMPACTS...Dangerous swimming and surfing conditions and localized beach erosion. Rip currents can sweep even the best swimmers away from shore into deeper water. Inexperienced swimmers should remain out of the water due to dangerous surf conditions.

* WHAT...Dangerous rip currents. * WHERE...In Alabama, Mobile Coastal and Baldwin Coastal Counties. In Florida, Escambia Coastal, Santa Rosa Coastal and Okaloosa Coastal Counties. * WHEN...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 direction following the shoreline. If unable to escape, face the shore and call or wave for help.

* WHAT...High temperatures up to 102 degrees expected. Overnight lows between 70 and 75 degrees expected in the Sierra Foothills where the thermal belt is strongest * WHERE...San Joaquin Valley, Sierra Nevada foothills, and Coastal West Hills. * WHEN...Until 10 PM PDT Friday. * 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

* WHAT...Strong north to south longshore current. * WHERE...Coastal Horry County. * WHEN...Today. * 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. Caution should be used when in or near the water. Check with lifeguards before entering the ocean for possible hazards you may be swept into.

* WHAT...Strong north to south longshore current. There is also a Moderate Risk of rip currents. * WHERE...In North Carolina, Coastal Pender and Coastal New Hanover Counties. In South Carolina, Coastal Georgetown County. * WHEN...Today. * 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. Caution should be used when in or near the water. Check with

* WHAT...North winds 20 to 30 kt with gusts up to 35 kt and very steep and hazardous wind-driven seas 7 to 11 ft. * WHERE...All areas. Very steep and hazardous seas are expected from Gold Beach southward during the evening and overnight periods. * WHEN...For the Small Craft Advisory, until 5 PM PDT Wednesday. For the Hazardous Seas Warning, from 8 PM this evening to 5 PM PDT Wednesday. * WHEN..From 11 PM Sunday to 11 PM PDT Monday. * IMPACTS...Very steep and hazardous seas could capsize or damage vessels. Bar crossings will become especially treacherous.

* WHAT...South winds 35 to 45 mph with gusts up to 55 mph expected in Unalaska * WHERE...Unalaska and Dutch Harbor * WHEN...From 5 AM to 1 PM AKDT Thursday. * IMPACTS...High winds could move loose debris, damage property, and cause power outages. Travel could be difficult. * ADDITIONAL DETAILS...Strong, gusty south winds will increase across Unalaska, with the strongest winds expected early Thursday morning. Winds will gradually diminish late Thursday morning. Winds this strong can make driving difficult, especially for high profile vehicles. Use extra caution.

At 456 PM EDT, Doppler radar was tracking strong thunderstorms along a line extending from near Lower Tahquamenon Falls State Park to near Hulbert. Movement was east at 45 mph. HAZARD...Wind gusts up to 40 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...