Weather Forecast for Napa & Sonoma

* WHAT...Up to 2.0 ft of inundation above ground level is possible in low-lying areas near shorelines and tidal waterways. * WHERE...Low-lying bayshore regions along the San Francisco and San Pablo Bays. * WHEN...Until 3 AM PDT Wednesday. * IMPACTS...Flooding of lots, parks, and roads with only isolated road closures expected. * ADDITIONAL DETAILS...At the San Francisco tidal gauge, high tide is expected to be 1.7 ft above normal (7.6 ft MLLW) at 9:34 PM on Friday the 12th, 1.9 ft above normal (7.8 ft MLLW) at 10:20 PM on Saturday the 13th, 2.0 ft above normal (7.8 ft MLLW) at 11:10 PM on Sunday the 14th, 1.9 ft above normal (7.8 ft MLLW) at 12:02 AM on Tuesday the 16th, and 1.6 ft above normal (7.4 ft MLLW) at 12:56 AM on Wednesday the 17th. High tide varies up to 90 minutes earlier or later along the Pacific Coast and through the San Francisco Bay, respectively.

If travel is required, allow extra time as some roads may be closed. Do not drive around barricades or through water of unknown depth. Take the necessary actions to protect flood-prone property.

* WHAT...For the Coastal Flood Advisory, up to 2.0 ft of inundation above ground level is possible in low-lying areas near shorelines and tidal waterways. For the Beach Hazards Statement, increased risk of sneaker waves and strong rip currents expected. * WHERE...Pacific Coast Beaches. * WHEN...For the Coastal Flood Advisory, from 7 PM PDT Saturday to 3 AM PDT Tuesday. For the Beach Hazards Statement, from 3 AM PDT Sunday through 3 AM PDT Wednesday. * IMPACTS...High tide flooding of lots, parks, and roads with only isolated road closures expected. 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. * ADDITIONAL DETAILS...At the San Francisco tidal gauge, high tide is expected to be 1.9 ft above normal (7.8 ft MLLW) at 10:20 PM on Saturday the 13th, 2.0 ft above normal (7.8 ft MLLW) at 11:10 PM on Sunday the 14th, 1.9 ft above normal (7.8 ft MLLW) at 12:02 AM on Tuesday the 16th. High tide varies up to 90 minutes earlier or later along the Pacific Coast and through the San Francisco Bay, respectively.

If travel is required, allow extra time as some roads may be closed. Do not drive around barricades or through water of unknown depth. Take the necessary actions to protect flood-prone property. Stay off of jetties, piers, rocks, and other waterside infrastructure. Remain out of the water to avoid hazardous surf and NEVER turn your back on the ocean. Monitor local weather, surf and tide forecasts at www.weather.gov/mtr.

* WHAT...For the Coastal Flood Advisory, up to 2.0 ft of inundation above ground level is possible in low-lying areas near shorelines and tidal waterways. For the Beach Hazards Statement, increased risk of sneaker waves and strong rip currents expected. * WHERE...Pacific Coast Beaches. * WHEN...For the Coastal Flood Advisory, from 7 PM PDT Saturday to 3 AM PDT Tuesday. For the Beach Hazards Statement, from 3 AM PDT Sunday through 3 AM PDT Wednesday. * IMPACTS...High tide flooding of lots, parks, and roads with only isolated road closures expected. 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. * ADDITIONAL DETAILS...At the San Francisco tidal gauge, high tide is expected to be 1.9 ft above normal (7.8 ft MLLW) at 10:20 PM on Saturday the 13th, 2.0 ft above normal (7.8 ft MLLW) at 11:10 PM on Sunday the 14th, 1.9 ft above normal (7.8 ft MLLW) at 12:02 AM on Tuesday the 16th. High tide varies up to 90 minutes earlier or later along the Pacific Coast and through the San Francisco Bay, respectively.

If travel is required, allow extra time as some roads may be closed. Do not drive around barricades or through water of unknown depth. Take the necessary actions to protect flood-prone property. Stay off of jetties, piers, rocks, and other waterside infrastructure. Remain out of the water to avoid hazardous surf and NEVER turn your back on the ocean. Monitor local weather, surf and tide forecasts at www.weather.gov/mtr.

* WHAT...Temperatures between 90 and 95 for most areas, with some readings above 100 degrees. Hottest conditions across the East Bay Hills and Valleys. * WHERE...The Santa Clara Valley and Eastern Hills, and The East Bay Hills and Valleys. * WHEN...Until 7 PM PDT Saturday. * IMPACTS...This level of heat affects primarily those individuals extremely sensitive to heat, especially when outdoors without effective cooling and/or adequate hydration.

Hydration is a critical piece to surviving the heat. Drink water, and if possible, take water to those who are vulnerable. Take extra precautions when outside. Wear lightweight and loose fitting clothing. Try to limit strenuous activities to the early morning or evening. Take action when you experience symptoms of heat exhaustion and/or heat stroke. Beat the heat and check the backseat! Do not leave young children or pets in unattended vehicles. Car interiors will reach lethal temperatures in a matter of minutes.