California

Contra Costa County

Heat Advisory issued August 9 at 12:24AM PDT until August 9 at 10:00PM PDT by NWS Sacramento CA

12:24 AM — 10:00 PM

* WHAT...High temperatures of 101 to 107 and low temperatures of 65 to 80 expected, with Moderate to Major HeatRisk. * WHERE...The Sacramento and San Joaquin Valleys, Foothills, Coast Range, and Sierra north of Highway 50. * WHEN...Until 10 PM PDT this evening. * IMPACTS...ot temperatures may cause heat illnesses, especially anyone without effective cooling and/or adequate hydration. * ADDITIONAL DETAILS...Hot temperatures continue today, with areas of Major HeatRisk. Hottest temperatures and warmest overnight lows expected in the northern Sacramento Valley and Sierra foothills thermal belts.

Heat Advisory issued August 8 at 9:42PM PDT until August 9 at 10:00PM PDT by NWS San Francisco CA

August 8th, 9:42 PM — 10:00 PM

* WHAT...Daytime highs in the mid 90s to low 100s. Nighttime lows in the mid 60s in the hills to low 80s (especially in the higher elevations). * WHERE...The Santa Clara Valley and Eastern Hills, The East Bay Hills and Valleys, Western Sonoma County Hills, The Santa Cruz Mountains, Interior Monterey County and the Santa Lucia Range, Most of San Benito County and the Cholame Hills in Southeast Monterey County, North Bay Interior Mountains, and Southern Salinas Valley/Arroyo Seco and Lake San Antonio. * WHEN...Until 10 PM PDT Sunday. * IMPACTS...This level of heat affects most individuals sensitive to heat, especially those without effective cooling and/or adequate hydration. Impacts possible in some health systems and in heat-sensitive industries. * ADDITIONAL DETAILS...The hottest locations will be across the far interior.

Small Craft Advisory issued August 9 at 1:43PM PDT until August 11 at 3:00AM PDT by NWS San Francisco CA

1:43 PM — 9:45 PM

* WHAT...Southwest winds 10 to 20 kt with gusts to 25 kt and choppy waters. * WHERE...San Pablo Bay, Suisun Bay, the West Delta and the San Francisco Bay north of the Bay Bridge. * WHEN...Until 3 AM PDT Tuesday. * IMPACTS...Conditions will be hazardous to small craft.

Coastal Flood Advisory issued August 9 at 10:28AM PDT until August 13 at 2:00AM PDT by NWS San Francisco CA

10:28 AM — 10:00 PM

* WHAT...Up to 1.6 ft of inundation above ground level is possible in low-lying areas near shorelines and tidal waterways. * WHERE...Bayshore locations along the San Francisco Bay, San Pablo Bay, and Monterey Bay. * WHEN...Until 2 AM PDT Thursday. * 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 1.5 ft above normal (7.34 ft MLLW) at 9:02 PM Sunday 8/9, 1.5 ft above normal (7.36 ft MLLW) at 10:01 PM Monday 8/10, 1.6 ft above normal (7.44 ft MLLW) at 10:57 PM Tuesday 8/11, and 1.3 ft above normal (7.14 ft MLLW) at 11:49 PM Wednesday 8/12. These predictions include both astronomical tides and roughly 3-6 inches of additional water mainly from a combination of thermal expansion and accumulated sea level rise since the tidal datum was established (1983- 2001). High tide varies up to 90 minutes earlier or later along the Pacific Coast and through the San Francisco Bay, respectively.

Eugene O'Neill National Historic Site

No Tours During Eugene O'Neill Festival

The 2025 Eugene O'Neill Festival is here and that means fewer guided tours through Tao House. Please note, there will not be reservable tours on the following dates: September 5th, 6th, 7th, 11th, 12th, 13th, 14th. Thank you for your understanding.

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Briones Regional Park Juniper Campground Las Trampas Regional Wilderness Live Oak Campground Morgan Territory Regional Preserve Mount Diablo Sp Group Campground Point Pinole Regional Shoreline Round Valley Regional Preserve Sibley Volcanic Regional Preserve Tilden Regional Park

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