Coastal Flood Warnings/Watches/Statements
Issued by NWS Eureka, CA
Issued by NWS Eureka, CA
580 WHUS46 KEKA 050623 CFWEKA URGENT - IMMEDIATE BROADCAST REQUESTED Coastal Hazard Message National Weather Service Eureka CA 1023 PM PST Tue Nov 4 2025 CAZ101-104-109-051430- /O.EXA.KEKA.CF.Y.0004.251105T1700Z-251105T2000Z/ /O.EXA.KEKA.CF.A.0002.251106T1800Z-251106T2100Z/ Coastal Del Norte-Southwestern Humboldt-Mendocino Coast- 1023 PM PST Tue Nov 4 2025 ...COASTAL FLOOD ADVISORY IN EFFECT FROM 9 AM TO NOON PST WEDNESDAY... ...COASTAL FLOOD WATCH IN EFFECT FROM THURSDAY MORNING THROUGH THURSDAY AFTERNOON... * WHAT...For the Coastal Flood Advisory, High astronomical tides and large surf will cause minor flooding in low lying areas along the coast. Up to one foot of saltwater inundation above ground level is possible near shorelines and tidal waterways. * What...For the Coastal Flood Watch, High astronomical tides and large surf may cause moderate flooding in low lying areas along the Redwood Coast. Up to one foot of saltwater inundation above ground level is possible in low lying areas near shorelines and tidal waterways. * WHERE...Coastal Del Norte, Coastal southern Humboldt and Coastal Mendocino Counties. * WHEN...For the Coastal Flood Advisory, from 9 AM to noon PST Wednesday. For the Coastal Flood Watch, from Thursday morning through Thursday afternoon. * IMPACTS...Several coastal roads may be closed. Low lying property and some critical infrastructure will be inundated. Some shoreline erosion may occur. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Coastal Flood Watch means that flooding is possible but not imminent. Coastal residents in the watch area should begin preparations for rising water and take appropriate action to protect life and property. Feet Above Ground is locally defined as feet above the Highest Astronomical Tide or HAT. && $$ CAZ103-051430- /O.CON.KEKA.CF.Y.0004.251105T1700Z-251105T2000Z/ /O.CON.KEKA.CF.A.0002.251106T1800Z-251106T2100Z/ Northern Humboldt Coast- 1023 PM PST Tue Nov 4 2025 ...COASTAL FLOOD ADVISORY REMAINS IN EFFECT FROM 9 AM TO NOON PST WEDNESDAY... ...COASTAL FLOOD WATCH REMAINS IN EFFECT FROM THURSDAY MORNING THROUGH THURSDAY AFTERNOON... * What...For the Coastal Flood Advisory, High astronomical tides will cause minor to moderate flooding in low lying areas around Humboldt Bay and along the coast. Up to one foot of saltwater inundation above ground level is possible near shorelines and tidal waterways. Between 9.0 and 9.3 feet MLLW at the North Spit tide gauge is predicted. * What...For the Coastal Flood Watch, high astronomical tides and large surf may cause moderate flooding in low lying areas along the Redwood Coast. Up to one foot of saltwater inundation above ground level is possible in low lying areas near shorelines and tidal waterways. Between 9.0 and 9.5 feet MLLW at the North Spit tide gauge is predicted. * WHERE...Northern Humboldt Coast. This includes King Salmon, the Arcata Bottoms and areas right on the waterfront in Eureka. This may also impact Centerville Beach road. * WHEN...For the Coastal Flood Advisory, from 9 AM to noon PST Wednesday. For the Coastal Flood Watch, from Thursday morning through Thursday afternoon. High tide is at 10:37 AM at the Humboldt Bay North Spit tide gauge Wednesday and at 11:17 AM on Thursday. Saltwater inundation will be possible 1 to 2 hours before and after high tide. * IMPACTS...Several coastal roads may be closed. Low lying property and some critical infrastructure will be inundated. Some shoreline erosion may occur. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Coastal Flood Watch means that flooding is possible but not imminent. Coastal residents in the watch area should begin preparations for rising water and take appropriate action to protect life and property. Feet Above Ground is locally defined as feet above the Highest Astronomical Tide or HAT. && $$