Marin County Resident Portal

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Public Safety Alerts

Headline: Frost Advisory issued December 24 at 1:34PM PST until December 25 at 9:00AM PST by NWS San Francisco CA
Description: * WHAT...Temperatures as low as 30 will result in frost formation. * WHERE...Interior Monterey County and the Santa Lucia Range, Most of San Benito County and the Cholame Hills in Southeast Monterey County, North Bay Interior Valleys, and Southern... more
Effective: Tuesday, December 24, 2024 - 13:34
Expires: Wednesday, December 25, 2024 - 07:00
Urgency: Expected
Severity: Minor
Sender: NWS San Francisco CA
Headline: High Surf Warning issued December 24 at 12:19PM PST until December 24 at 6:00PM PST by NWS San Francisco CA
Description: * WHAT...Dangerously large breaking waves of 25 to 35 feet. * WHERE...San Francisco, Coastal North Bay Including Point Reyes National Seashore, San Francisco Peninsula Coast, Northern Monterey Bay, Southern Monterey Bay and Big Sur Coast. * WHEN... more
Effective: Tuesday, December 24, 2024 - 12:19
Expires: Tuesday, December 24, 2024 - 18:00
Urgency: Expected
Severity: Moderate
Sender: NWS San Francisco CA
Headline: High Surf Warning issued December 24 at 11:42AM PST until December 24 at 6:00PM PST by NWS San Francisco CA
Description: * WHAT...Dangerously large breaking waves of waves of 25 to 35 feet. * WHERE...San Francisco, Coastal North Bay Including Point Reyes National Seashore, San Francisco Peninsula Coast, Northern Monterey Bay, Southern Monterey Bay and Big Sur Coast... more
Effective: Tuesday, December 24, 2024 - 11:42
Expires: Tuesday, December 24, 2024 - 18:00
Urgency: Expected
Severity: Moderate
Sender: NWS San Francisco CA
Headline: Coastal Flood Warning issued December 24 at 11:42AM PST until December 24 at 12:00PM PST by NWS San Francisco CA
Description: * WHAT...Dangerously large breaking waves of waves of 25 to 35 feet. * WHERE...San Francisco, Coastal North Bay Including Point Reyes National Seashore, San Francisco Peninsula Coast, Northern Monterey Bay, Southern Monterey Bay and Big Sur Coast... more
Effective: Tuesday, December 24, 2024 - 11:42
Expires: Tuesday, December 24, 2024 - 18:00
Urgency: Expected
Severity: Severe
Sender: NWS San Francisco CA
Headline: High Surf Warning issued December 24 at 4:37AM PST until December 24 at 6:00PM PST by NWS San Francisco CA
Description: * WHAT...For the High Surf Warning, dangerously large breaking waves of 25 to 35 feet. For the Coastal Flood Warning, coastal flooding in low lying areas. * WHERE...San Francisco, Coastal North Bay Including Point Reyes National Seashore, San... more
Effective: Tuesday, December 24, 2024 - 04:37
Expires: Tuesday, December 24, 2024 - 13:00
Urgency: Expected
Severity: Moderate
Sender: NWS San Francisco CA