Boonville, CA Warnings, Watches and Advisories

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State: CA Alerts: 6 Updated: Sep 27, 2026 8:42am PDT

Beach Hazards Statement

Area
San Diego County Coastal Areas; Orange County Coastal
Beach Hazards Statement issued September 27 at 4:52AM PDT until September 28 at 5:00AM PDT by NWS San Diego CA

* WHAT...For the Beach Hazards Statement, minor tidal overflow expected due to the combination of high tides and elevated surf. For the Coastal Flood Advisory, minor coastal flooding expected due to the combination of high tides and elevated surf. * WHERE...San Diego County Coastal Areas and Orange County Coastal Areas. * WHEN...For the Beach Hazards Statement, through late tonight. For the Coastal Flood Advisory, from 5 AM Monday to 5 PM PDT Wednesday. * IMPACTS...Minor coastal flooding and minor coastal erosion expected during high tides. Additionally, elevated surf will lead to strong rip currents. * ADDITIONAL DETAILS...Elevated surf of 3-5 feet expected. Local sets to 7 feet possible on south-facing beaches. Morning high tides are expected to peak between 6.7 and 7.0 feet through Wednesday, peaking Tuesday morning. The listed tide predictions have been corrected to reflect current trends in actual tide observations.

Coastal Flood Advisory

Area
San Diego County Coastal Areas; Orange County Coastal
Coastal Flood Advisory issued September 27 at 4:52AM PDT until September 30 at 5:00PM PDT by NWS San Diego CA

* WHAT...For the Beach Hazards Statement, minor tidal overflow expected due to the combination of high tides and elevated surf. For the Coastal Flood Advisory, minor coastal flooding expected due to the combination of high tides and elevated surf. * WHERE...San Diego County Coastal Areas and Orange County Coastal Areas. * WHEN...For the Beach Hazards Statement, through late tonight. For the Coastal Flood Advisory, from 5 AM Monday to 5 PM PDT Wednesday. * IMPACTS...Minor coastal flooding and minor coastal erosion expected during high tides. Additionally, elevated surf will lead to strong rip currents. * ADDITIONAL DETAILS...Elevated surf of 3-5 feet expected. Local sets to 7 feet possible on south-facing beaches. Morning high tides are expected to peak between 6.7 and 7.0 feet through Wednesday, peaking Tuesday morning. The listed tide predictions have been corrected to reflect current trends in actual tide observations.

Beach Hazards Statement

Area
Catalina and Santa Barbara Islands; Ventura County Beaches; Malibu Coast; Los Angeles County Beaches
Beach Hazards Statement issued September 26 at 7:27PM PDT until September 28 at 5:00AM PDT by NWS Los Angeles/Oxnard CA

* WHAT...For the Beach Hazards Statement, dangerous rip currents and breaking waves due to elevated surf. For the Coastal Flood Advisory, moderate coastal flooding expected. For the High Surf Advisory, breaking waves of 4 to 7 feet with dangerous rip currents. * WHERE...Catalina and Santa Barbara Islands, Ventura County Beaches, Malibu Coast and Los Angeles County Beaches. Focused across exposed south facing coasts. * WHEN...For the Beach Hazards Statement, through 5 AM Monday. For the Coastal Flood Advisory and High Surf Advisory, from 5 AM Monday to 5 PM PDT Tuesday. * IMPACTS...Moderate flooding of sea water is likely over some vulnerable low-lying coastal areas, especially around the time of high tide, including over beach parking lots, bike paths, and harbor walkways. Moderate to locally significant beach erosion is likely. Very localized damage possible to most vulnerable areas. There is an increased risk for ocean drowning. Rip currents can pull swimmers and surfers out to sea. Large breaking waves can cause injury, wash people off beaches and rocks, and capsize small boats near shore. * ADDITIONAL DETAILS...Areas of most concern are Avalon, Long Beach (Peninsula and Belmont Shore). While the surf will likely be smaller than Marie (from earlier this month), the lingering erosion effects enhances the vulnerabilities for locally more significant coastal flooding.

High Surf Advisory

Area
Catalina and Santa Barbara Islands; Ventura County Beaches; Malibu Coast; Los Angeles County Beaches
High Surf Advisory issued September 26 at 7:27PM PDT until September 29 at 5:00PM PDT by NWS Los Angeles/Oxnard CA

* WHAT...For the Beach Hazards Statement, dangerous rip currents and breaking waves due to elevated surf. For the Coastal Flood Advisory, moderate coastal flooding expected. For the High Surf Advisory, breaking waves of 4 to 7 feet with dangerous rip currents. * WHERE...Catalina and Santa Barbara Islands, Ventura County Beaches, Malibu Coast and Los Angeles County Beaches. Focused across exposed south facing coasts. * WHEN...For the Beach Hazards Statement, through 5 AM Monday. For the Coastal Flood Advisory and High Surf Advisory, from 5 AM Monday to 5 PM PDT Tuesday. * IMPACTS...Moderate flooding of sea water is likely over some vulnerable low-lying coastal areas, especially around the time of high tide, including over beach parking lots, bike paths, and harbor walkways. Moderate to locally significant beach erosion is likely. Very localized damage possible to most vulnerable areas. There is an increased risk for ocean drowning. Rip currents can pull swimmers and surfers out to sea. Large breaking waves can cause injury, wash people off beaches and rocks, and capsize small boats near shore. * ADDITIONAL DETAILS...Areas of most concern are Avalon, Long Beach (Peninsula and Belmont Shore). While the surf will likely be smaller than Marie (from earlier this month), the lingering erosion effects enhances the vulnerabilities for locally more significant coastal flooding.

Coastal Flood Advisory

Area
Catalina and Santa Barbara Islands; Ventura County Beaches; Malibu Coast; Los Angeles County Beaches
Coastal Flood Advisory issued September 26 at 7:27PM PDT until September 29 at 5:00PM PDT by NWS Los Angeles/Oxnard CA

* WHAT...For the Beach Hazards Statement, dangerous rip currents and breaking waves due to elevated surf. For the Coastal Flood Advisory, moderate coastal flooding expected. For the High Surf Advisory, breaking waves of 4 to 7 feet with dangerous rip currents. * WHERE...Catalina and Santa Barbara Islands, Ventura County Beaches, Malibu Coast and Los Angeles County Beaches. Focused across exposed south facing coasts. * WHEN...For the Beach Hazards Statement, through 5 AM Monday. For the Coastal Flood Advisory and High Surf Advisory, from 5 AM Monday to 5 PM PDT Tuesday. * IMPACTS...Moderate flooding of sea water is likely over some vulnerable low-lying coastal areas, especially around the time of high tide, including over beach parking lots, bike paths, and harbor walkways. Moderate to locally significant beach erosion is likely. Very localized damage possible to most vulnerable areas. There is an increased risk for ocean drowning. Rip currents can pull swimmers and surfers out to sea. Large breaking waves can cause injury, wash people off beaches and rocks, and capsize small boats near shore. * ADDITIONAL DETAILS...Areas of most concern are Avalon, Long Beach (Peninsula and Belmont Shore). While the surf will likely be smaller than Marie (from earlier this month), the lingering erosion effects enhances the vulnerabilities for locally more significant coastal flooding.

Beach Hazards Statement

Area
Santa Barbara County Southwestern Coast; Santa Barbara County Southeastern Coast
Beach Hazards Statement issued September 26 at 7:27PM PDT until September 30 at 4:00PM PDT by NWS Los Angeles/Oxnard CA

* WHAT...Dangerous rip currents and breaking waves of 3-5 feet. Minor tidal overflows possible especially Monday and Tuesday. * WHERE...Santa Barbara County Southwestern Coast and Santa Barbara County Southeastern Coast. * WHEN...Through Wednesday afternoon. * IMPACTS...There is an increased risk of ocean drowning. Rip currents can pull swimmers and surfers out to sea. Waves can wash people off beaches and rocks, and capsize small boats nearshore. Pooling of sea water is possible around high tide at beach and harbor areas (including Santa Barbara Harbor). Enhanced beach erosion is also possible. No significant damage is expected. * ADDITIONAL DETAILS...Locally moderate coastal flooding impacts possible but unlikely for areas such as Santa Barbara Harbor. These impacts may include moderate flooding of sea water over some vulnerable low-lying coastal areas, especially around the time of high tide, including over beach parking lots, bike paths, and harbor walkways. Additionally, locally moderate beach erosion is possible.

SAFETY and DATA MESSAGE

Do not drive vehicles through flooded areas. The water depth or fast flowing water/mud/debris from a flash flood will make road conditions unsafe. Do not rely soley on data presented here or other third-party websites - always check your official national and local weather service agency website, socials, radio and/or TV stations for making critical decisions related to weather events.

Please carefully read each posted Warning and Alert as it relates to the area(s) being affected. We may provide a wider range of issued severe weather warnings for surrounding cities and counties, so some alerts may not directly impact this location. This is done to help with preparing for severe weather that may overlap or be heading towards Boonville.

Use the Radar Maps link provided to understand the trajectory of a storm.

Disclaimer

This severe weather alerts report is valid for ZIP code 95415, accurately covering the area of Boonville, CA.

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