Alerts
This information is provided to inform the members of the SFO SKYWARN® group of current weather alerts. The information provided here comes from the NWS API Web Service, which may or may not be functioning at any given time, and therefore may not be up-to-date or accurate. For the most up-to-date information, refer to the NWS SF Bay Area website, tune in to NOAA Weather Radio in your area, or consult a local news media source that provides weather information.
Active alerts issued by the NWS Forecast Office in Monterey, CA (MTR) are for their County Warning Area (CWA), which includes the following eleven counties: Sonoma, Napa, Marin, Contra Costa, Alameda, San Francisco, San Mateo, Santa Clara, Santa Cruz, San Benito, and Monterey counties.
Important! This feature should not be relied upon to receive watches and warnings for protecting life and/or property. There may be a delay or failure caused by numerous factors, including, but not limited to, the polling rate, the ability of the NWS API Web Service to relay NWS products, or the reliability of this web site.
There are 5 active alerts for the SF Bay Area. -------------------- HEADLINE: Beach Hazards Statement issued October 10 at 2:47PM PDT until October 12 at 10:00PM PDT by NWS San Francisco CA DESCRIPTION: * WHAT...For the Coastal Flood Advisory, Up to 1.4 ft of inundation above ground level is possible in low-lying areas near shorelines and tidal waterways. For the Beach Hazards Statement, increased risk of rip currents and sneaker waves expected with breaking waves up to 16 feet. * WHERE...San Francisco, Northern Monterey Bay and Southern Monterey Bay and Big Sur Coast Counties. * WHEN...For the Coastal Flood Advisory, until 3 PM PDT Tuesday. For the Beach Hazards Statement, remains in effect through Monday evening. * IMPACTS...Flooding of lots, parks, and roads with only isolated road closures expected. High tides will result in flooding along coastal trails, cut off access to some low- lying beaches and coastal areas, and bring water and waves farther up the beach than typical. Dangerous conditions are forecast along the shoreline. Hazards include sneaker waves, strong rip currents, and large breaking waves. * ADDITIONAL DETAILS...At the San Francisco tidal gauge, high tide is expected to be 1.4 ft above normal (7.3 ft MLLW) at 12:18 PM Sunday 10/11, 1.2 ft above normal (7.1 ft MLLW) at 12:46 PM Monday 10/12, and 1.1 ft above normal (7.0 ft MLLW) at 1:14 PM Tuesday 10/13. 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. INSTRUCTIONS: If travel is required, allow extra time as some roads may be closed. Do not drive around barricades or through water of unknown depth. Take the necessary actions to protect flood-prone property. Stay off of jetties, piers, rocks, and other waterside infrastructure. Remain out of the water to avoid hazardous surf and NEVER turn your back on the ocean. Monitor local weather, surf and tide forecasts at www.weather.gov/mtr. -------------------- HEADLINE: Beach Hazards Statement issued October 10 at 2:47PM PDT until October 12 at 10:00PM PDT by NWS San Francisco CA DESCRIPTION: * WHAT...Increased risk of rip currents and sneaker waves expected with breaking waves up to 16 feet. * WHERE...Coastal North Bay Including Point Reyes National Seashore and San Francisco Peninsula Coast Counties. * WHEN...From Saturday morning through Monday evening. * IMPACTS...Dangerous conditions are forecast along the shoreline. Hazards include sneaker waves, strong rip currents, and large breaking waves. INSTRUCTIONS: Stay off of jetties, piers, rocks, and other waterside infrastructure. Remain out of the water to avoid hazardous surf and NEVER turn your back on the ocean. Monitor local weather, surf and tide forecasts at www.weather.gov/mtr. -------------------- HEADLINE: Coastal Flood Advisory issued October 10 at 2:47PM PDT until October 13 at 3:00PM PDT by NWS San Francisco CA DESCRIPTION: * WHAT...Up to 1.4 ft of inundation above ground level is possible in low-lying areas near shorelines and tidal waterways. * WHERE...Bayshore locations along the San Francisco and Monterey Bays. * WHEN...From 9 AM Friday to 3 PM PDT Tuesday. * IMPACTS...Flooding of lots, parks, and roads with only isolated road closures expected. High tides will result in flooding along coastal trails, cut off access to some low- lying beaches and coastal areas, and bring water and waves farther up the beach than typical. * ADDITIONAL DETAILS...At the San Francisco tidal gauge, high tide is expected to be 1.4 ft above normal (7.3 ft MLLW) at 12:18 PM Sunday 10/11, 1.2 ft above normal (7.1 ft MLLW) at 12:46 PM Monday 10/12, and 1.1 ft above normal (7.0 ft MLLW) at 1:14 PM Tuesday 10/13. 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. INSTRUCTIONS: If travel is required, allow extra time as some roads may be closed. Do not drive around barricades or through water of unknown depth. Take the necessary actions to protect flood-prone property. -------------------- HEADLINE: Coastal Flood Advisory issued October 10 at 2:47PM PDT until October 13 at 3:00PM PDT by NWS San Francisco CA DESCRIPTION: * WHAT...For the Coastal Flood Advisory, Up to 1.4 ft of inundation above ground level is possible in low-lying areas near shorelines and tidal waterways. For the Beach Hazards Statement, increased risk of rip currents and sneaker waves expected with breaking waves up to 16 feet. * WHERE...San Francisco, Northern Monterey Bay and Southern Monterey Bay and Big Sur Coast Counties. * WHEN...For the Coastal Flood Advisory, until 3 PM PDT Tuesday. For the Beach Hazards Statement, remains in effect through Monday evening. * IMPACTS...Flooding of lots, parks, and roads with only isolated road closures expected. High tides will result in flooding along coastal trails, cut off access to some low- lying beaches and coastal areas, and bring water and waves farther up the beach than typical. Dangerous conditions are forecast along the shoreline. Hazards include sneaker waves, strong rip currents, and large breaking waves. * ADDITIONAL DETAILS...At the San Francisco tidal gauge, high tide is expected to be 1.4 ft above normal (7.3 ft MLLW) at 12:18 PM Sunday 10/11, 1.2 ft above normal (7.1 ft MLLW) at 12:46 PM Monday 10/12, and 1.1 ft above normal (7.0 ft MLLW) at 1:14 PM Tuesday 10/13. 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. INSTRUCTIONS: If travel is required, allow extra time as some roads may be closed. Do not drive around barricades or through water of unknown depth. Take the necessary actions to protect flood-prone property. Stay off of jetties, piers, rocks, and other waterside infrastructure. Remain out of the water to avoid hazardous surf and NEVER turn your back on the ocean. Monitor local weather, surf and tide forecasts at www.weather.gov/mtr. -------------------- HEADLINE: Coastal Flood Advisory issued October 10 at 2:47PM PDT until October 14 at 4:00PM PDT by NWS San Francisco CA DESCRIPTION: * WHAT...Up to 1.4 ft of inundation above ground level is possible in low-lying areas near shorelines and tidal waterways. * WHERE...Bayshore locations along the San Pablo Bay. * WHEN...Until 4 PM PDT Wednesday. * IMPACTS...Flooding of lots, parks, and roads with only isolated road closures expected. High tides will result in flooding along coastal trails, cut off access to some low- lying beaches and coastal areas, and bring water and waves farther up the beach than typical. Dangerous conditions are forecast along the shoreline. Hazards include sneaker waves, strong rip currents, and large breaking waves. * ADDITIONAL DETAILS...At the San Francisco tidal gauge, high tide is expected to be 1.4 ft above normal (7.3 ft MLLW) at 12:18 PM Sunday 10/11, 1.2 ft above normal (7.1 ft MLLW) at 12:46 PM Monday 10/12, 1.1 ft above normal (7.0 ft MLLW) at 1:14 PM Tuesday 10/13, and 0.9 ft above normal (6.7 ft MLLW) at 1:46 PM Wednesday 10/14. 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. INSTRUCTIONS: If travel is required, allow extra time as some roads may be closed. Do not drive around barricades or through water of unknown depth. Take the necessary actions to protect flood-prone property.