Sonoma County

Coastal Flood Advisory issued October 28 at 1:46PM PDT until October 31 at 6:00PM PDT by NWS San Francisco CA

October 28th, 1:46 PM — 5:15 AM

* WHAT...Up to 1.9 ft of inundation above ground level is possible in low-lying areas near shorelines and tidal waterways. * WHERE...Bay Shoreline locations of San Pablo Bay, San Francisco Bay, and Monterey Bay. * WHEN...Until 6 PM PDT Saturday. * IMPACTS...High tides will result in flooding of low-lying infrastructure, isolated road closures, and coastal erosion. Rising tides will bring water and waves farther up the beach than normal, restricting escape from beaches and coastal areas. More substantial impacts are expected along bayshore Marin County where increased flooding is anticipated across low lying areas. * ADDITIONAL DETAILS...At the San Francisco tidal gauge, high tide is expected to be 1.9 ft above normal (7.7 ft MLLW) at 01:43 PM Thursday 10/29, 1.6 ft above normal (7.4 ft MLLW) at 02:39 PM Friday 10/30, and 1.1 feet above normal (6.9 ft MLLW) at 03:44 PM on Saturday 10/31. These predictions include up to 1.2 ft of surge that will enhance the astronomical tide and flooding threat. High tide varies up to 90 minutes earlier or later along the Pacific Coast and through the San Francisco Bay, respectively.

Coastal Flood Advisory issued October 28 at 1:46PM PDT until October 30 at 5:00PM PDT by NWS San Francisco CA

October 28th, 1:46 PM — 5:15 AM

* WHAT...Up to 1.9 ft of inundation above ground level is possible in low-lying areas near shorelines and tidal waterways. * WHERE...Pacific Coast. * WHEN...Until 5 PM PDT Friday. * IMPACTS...High tides will result in flooding of low-lying infrastructure, isolated road closures, and coastal erosion. Rising tides will bring water and waves farther up the beach than normal, restricting escape from beaches and coastal areas. * ADDITIONAL DETAILS...At the San Francisco tidal gauge, high tide is expected to be 1.9 ft above normal (7.7 ft MLLW) at 01:43 PM Thursday 10/29, and 1.6 ft above normal (7.4 ft MLLW) at 02:39 PM Friday 10/30. These predictions include up to 1.2 ft of surge that will enhance the astronomical tide and flooding threat. High tide varies up to 90 minutes earlier or later along the Pacific Coast and through the San Francisco Bay, respectively.

Frost Advisory issued October 28 at 10:53AM PDT until October 29 at 9:00AM PDT by NWS Eureka CA

October 28th, 10:53 AM — 9:00 AM

* WHAT...Temperatures as low as 33 will result in frost formation. * WHERE...Del Norte, Humboldt, and Mendocino Coast, Humboldt Interior, Interior Del Norte, and Southwestern Interior Mendocino. * WHEN...From 1 AM to 9 AM PDT Thursday. * IMPACTS...Frost could harm sensitive outdoor vegetation. Sensitive outdoor plants may be killed if left uncovered. * ADDITIONAL DETAILS...Some valleys, especially closer to the coast, may experience low cloud cover and/or fog, which will limit the potential for frost.

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