Sacramento, CA Warnings, Watches and Advisories

Wind Advisory issued November 11 at 6:17AM PST until November 13 at 1:00PM PST by NWS Eureka CA

* WHAT...South winds 25 to 35 mph with gusts up to 45 mph expected. * WHERE...Del Norte Coast. * WHEN...From midnight Thursday Night to 1 PM PST Friday. * IMPACTS...Wind gusts will be particularly strong along windward ridges and exposed coastal headlands. Gusty winds will blow around unsecured objects. Tree limbs could be blown down and a few power outages may result.

Wind Advisory issued November 11 at 6:17AM PST until November 13 at 1:00PM PST by NWS Eureka CA

* WHAT...South winds 30 to 40 mph with gusts up to 60 mph expected. * WHERE...Humboldt Interior, Interior Del Norte, and Southwestern Humboldt. * WHEN...From midnight Thursday Night to 1 PM PST Friday. * IMPACTS...Wind gusts will be particularly strong along windward ridges and exposed coastal headlands.

High Surf Warning issued November 11 at 5:32AM PST until November 15 at 4:00AM PST by NWS Eureka CA

* WHAT...Dangerously large breaking waves 25 to 35 ft. * WHERE...Southwestern Humboldt and Coastal Mendocino Counties. * WHEN...From 4 PM Friday to 4 AM PST Sunday. . * IMPACTS...Breaking waves can sweep people off jetties and docks, and into dangerous seas. Life-threatening surf conditions and significant beach erosion can be expected. * ADDITIONAL DETAILS...After only brief improvement late Saturday through Sunday, a second large swell is forecast late Sunday through Monday.

High Surf Warning issued November 11 at 5:32AM PST until November 15 at 4:00AM PST by NWS Eureka CA

* WHAT...Dangerously large breaking waves 25 to 35 ft. * WHERE...Coastal Del Norte and Northern Coastal Humboldt Counties. * WHEN...From 1 PM Friday to 4 AM PST Sunday. . * IMPACTS...Breaking waves can sweep people off jetties and docks, and into dangerous seas. Life-threatening surf conditions and significant beach erosion can be expected. * ADDITIONAL DETAILS...After only brief improvement late Saturday through Sunday, a second large swell is forecast late Sunday through Monday.

Dense Fog Advisory issued November 11 at 5:17AM PST until November 11 at 9:00AM PST by NWS San Francisco CA

* WHAT...Visibility one quarter mile or less in dense fog. * WHERE...North Bay Interior Valleys, San Francisco, and San Francisco Bay Shoreline Counties. * WHEN...Until 9 AM PST this morning. * IMPACTS...Low visibility could make driving conditions hazardous.

Wind Advisory issued November 11 at 4:51AM PST until November 13 at 4:00AM PST by NWS Medford OR

* WHAT...South winds 20 to 30 mph with gusts up to 45 mph expected. * WHERE...Most of the Shasta Valley in central Siskiyou County. This includes portions of Interstate 5 as well as the communities of Weed, Gazelle, Grenada and Montague. * WHEN...From 10 AM Thursday to 4 AM PST Friday. * IMPACTS...Gusty winds will blow around unsecured objects. Tree limbs could be blown down and a few power outages may result.

Winter Storm Watch issued November 11 at 1:19AM PST until November 17 at 4:00AM PST by NWS Hanford CA

* WHAT...Heavy snow possible. Snow accumulations between 6 and 12 inches above 6,000 feet. Winds could gust as high as 50 mph. * WHERE...Sierra Nevada above 6,000 feet. * WHEN...From Friday afternoon through late Monday night. * IMPACTS...Travel could be very difficult to impossible. The hazardous conditions could impact weekend travel. Gusty winds could bring down tree branches.

Wind Advisory issued November 11 at 1:04AM PST until November 13 at 10:00PM PST by NWS Reno NV

* WHAT...South winds 20 to 30 mph with gusts up to 55 mph. Wind prone areas along US-395/I-580 may see gusts up to 65 mph. * WHERE...In California, Lassen-Eastern Plumas-Eastern Sierra Counties. In Nevada, Greater Reno-Carson City-Minden Area. * WHEN...From 10 AM to 10 PM PST Friday. * IMPACTS...Gusty winds will blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. * ADDITIONAL DETAILS...Winds may knock down burned trees in the Davis Fire burn area.

High Wind Watch issued November 11 at 1:04AM PST until November 13 at 10:00PM PST by NWS Reno NV

* WHAT...South winds 30 to 40 mph with gusts up to 65 mph. * WHERE...In California, Surprise Valley California. In Nevada, Northern Washoe County. * WHEN...From Friday morning through Friday evening. * IMPACTS...Damaging winds could blow down trees and power lines. Widespread power outages are possible. Travel could be difficult, especially for high profile vehicles.

Winter Storm Watch issued November 11 at 12:15AM PST until November 14 at 4:00PM PST by NWS Las Vegas NV

* WHAT...Heavy snow possible above 7000 feet. Total snow accumulations of 5 to 10 inches expected...with up to 1 foot near the Sierra Crest. * WHERE...Eastern Sierra Slopes. * WHEN...From Friday afternoon through Saturday afternoon. * IMPACTS...Roads, and especially bridges and overpasses, will likely become slick and hazardous.

Beach Hazards Statement issued November 11 at 12:14AM PST until November 13 at 6:00PM PST by NWS San Francisco CA

* WHAT...For the Coastal Flood Advisory, Up to 1.5 ft of inundation above ground level is possible in low-lying areas near shorelines and tidal waterways. For the Beach Hazards Statement, An increased risk for sneaker waves and strong rip currents with breaking waves of 15 to 20 ft expected. For the High Surf Warning, Dangerously large breaking waves of 25 to 30 ft expected. * WHERE...San Francisco and Southern Monterey Bay and Big Sur Coast Counties. * WHEN...For the Coastal Flood Advisory, until 4 PM Friday. For the Beach Hazards Statement, from 9 PM Wednesday through 6 PM Friday. For the High Surf Warning, from 6 PM Friday to 4 AM Sunday. * 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. Dangerously large breaking waves can overpower swimmers, pulling people into the sea from beaches, jetties, and rocks resulting in significant physical injury and increasing the risk of drowning. Waves can sweep across the shoreline without warning, pulling people into the sea from beaches, jetties, and rocks. * ADDITIONAL DETAILS...At the San Francisco tide gauge, high tide is expected to be: 1.4 ft above normal (7.2 ft MLLW) at 11:35 AM Wednesday 11/11, 1.3 ft above normal (7.1 ft MLLW) at 12:10 PM Thursday 11/12, 1.5 ft above normal (7.3 ft MLLW) at 12:49 PM Friday 11/13. These predictions include up to 1.8 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.

Beach Hazards Statement issued November 11 at 12:14AM PST until November 13 at 6:00PM PST by NWS San Francisco CA

* WHAT...For the Beach Hazards Statement, An increased risk for sneaker waves and strong rip currents with breaking waves of 15 to 20 ft expected. For the High Surf Warning, Dangerously large breaking waves of 25 to 30 ft expected. * WHERE...Coastal North Bay Including Point Reyes National Seashore, San Francisco Peninsula Coast and Northern Monterey Bay Counties. * WHEN...For the Beach Hazards Statement, from 9 PM Wednesday through 6 PM Friday. For the High Surf Warning, from 6 PM Friday to 4 AM Sunday. * IMPACTS...Dangerously large breaking waves can overpower swimmers, pulling people into the sea from beaches, jetties, and rocks resulting in significant physical injury and increasing the risk of drowning. Waves can sweep across the shoreline without warning, pulling people into the sea from beaches, jetties, and rocks.

High Surf Warning issued November 11 at 12:14AM PST until November 15 at 4:00AM PST by NWS San Francisco CA

* WHAT...For the Coastal Flood Advisory, Up to 1.5 ft of inundation above ground level is possible in low-lying areas near shorelines and tidal waterways. For the Beach Hazards Statement, An increased risk for sneaker waves and strong rip currents with breaking waves of 15 to 20 ft expected. For the High Surf Warning, Dangerously large breaking waves of 25 to 30 ft expected. * WHERE...San Francisco and Southern Monterey Bay and Big Sur Coast Counties. * WHEN...For the Coastal Flood Advisory, until 4 PM Friday. For the Beach Hazards Statement, from 9 PM Wednesday through 6 PM Friday. For the High Surf Warning, from 6 PM Friday to 4 AM Sunday. * 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. Dangerously large breaking waves can overpower swimmers, pulling people into the sea from beaches, jetties, and rocks resulting in significant physical injury and increasing the risk of drowning. Waves can sweep across the shoreline without warning, pulling people into the sea from beaches, jetties, and rocks. * ADDITIONAL DETAILS...At the San Francisco tide gauge, high tide is expected to be: 1.4 ft above normal (7.2 ft MLLW) at 11:35 AM Wednesday 11/11, 1.3 ft above normal (7.1 ft MLLW) at 12:10 PM Thursday 11/12, 1.5 ft above normal (7.3 ft MLLW) at 12:49 PM Friday 11/13. These predictions include up to 1.8 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.

High Surf Warning issued November 11 at 12:14AM PST until November 15 at 4:00AM PST by NWS San Francisco CA

* WHAT...For the Beach Hazards Statement, An increased risk for sneaker waves and strong rip currents with breaking waves of 15 to 20 ft expected. For the High Surf Warning, Dangerously large breaking waves of 25 to 30 ft expected. * WHERE...Coastal North Bay Including Point Reyes National Seashore, San Francisco Peninsula Coast and Northern Monterey Bay Counties. * WHEN...For the Beach Hazards Statement, from 9 PM Wednesday through 6 PM Friday. For the High Surf Warning, from 6 PM Friday to 4 AM Sunday. * IMPACTS...Dangerously large breaking waves can overpower swimmers, pulling people into the sea from beaches, jetties, and rocks resulting in significant physical injury and increasing the risk of drowning. Waves can sweep across the shoreline without warning, pulling people into the sea from beaches, jetties, and rocks.

Coastal Flood Advisory issued November 11 at 12:14AM PST until November 13 at 4:00PM PST by NWS San Francisco CA

* WHAT...Up to 1.5 ft of inundation above ground level is possible in low-lying areas near shorelines and tidal waterways. * WHERE...North Bay Interior Valleys and San Francisco Bay Shoreline Counties. * WHEN...Until 4 PM 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 tide gauge, high tide is expected to be: 1.4 ft above normal (7.2 ft MLLW) at 11:35 AM Wednesday 11/11, 1.3 ft above normal (7.1 ft MLLW) at 12:10 PM Thursday 11/12, 1.5 ft above normal (7.3 ft MLLW) at 12:49 PM Friday 11/13. These predictions include up to 1.8 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 November 11 at 12:14AM PST until November 13 at 4:00PM PST by NWS San Francisco CA

* WHAT...For the Coastal Flood Advisory, Up to 1.5 ft of inundation above ground level is possible in low-lying areas near shorelines and tidal waterways. For the Beach Hazards Statement, An increased risk for sneaker waves and strong rip currents with breaking waves of 15 to 20 ft expected. For the High Surf Warning, Dangerously large breaking waves of 25 to 30 ft expected. * WHERE...San Francisco and Southern Monterey Bay and Big Sur Coast Counties. * WHEN...For the Coastal Flood Advisory, until 4 PM Friday. For the Beach Hazards Statement, from 9 PM Wednesday through 6 PM Friday. For the High Surf Warning, from 6 PM Friday to 4 AM Sunday. * 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. Dangerously large breaking waves can overpower swimmers, pulling people into the sea from beaches, jetties, and rocks resulting in significant physical injury and increasing the risk of drowning. Waves can sweep across the shoreline without warning, pulling people into the sea from beaches, jetties, and rocks. * ADDITIONAL DETAILS...At the San Francisco tide gauge, high tide is expected to be: 1.4 ft above normal (7.2 ft MLLW) at 11:35 AM Wednesday 11/11, 1.3 ft above normal (7.1 ft MLLW) at 12:10 PM Thursday 11/12, 1.5 ft above normal (7.3 ft MLLW) at 12:49 PM Friday 11/13. These predictions include up to 1.8 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.

Beach Hazards Statement issued November 10 at 8:13PM PST until November 16 at 12:00PM PST by NWS Los Angeles/Oxnard CA

* WHAT...Dangerous rip currents and breaking waves due to elevated surf. Minor tidal overflows are possible during morning high tides. * WHERE...Ventura County Beaches, Malibu Coast and Los Angeles County Beaches. * WHEN...Through Monday morning. * 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. * ADDITIONAL DETAILS...A significant westerly swell is expected this weekend with impacts likely peaking Saturday. There is potential for at least advisory-level surf, significant beach erosion and enhanced coastal flooding risk. Posing most risk to west-facing beaches. Coastal hazards are likely to continue well into next week.

High Surf Advisory issued November 10 at 8:13PM PST until November 16 at 12:00PM PST by NWS Los Angeles/Oxnard CA

* WHAT...Large breaking waves of 7 to 10 feet with dangerous rip currents. These waves are expected to significantly increase Friday into the weekend. Minor tidal overflows are possible during morning high tides. * WHERE...San Luis Obispo County Beaches and Santa Barbara County Central Coast Beaches. * WHEN...Until noon PST Monday. * IMPACTS...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...A significant westerly swell is expected this weekend with impacts likely peaking Saturday. There is potential for warning-level surf, significant beach erosion and enhanced coastal flooding risk. Posing most risk to west- facing beaches. Coastal hazards are likely to continue well into next week.

Beach Hazards Statement issued November 10 at 8:13PM PST until November 16 at 12:00PM PST by NWS Los Angeles/Oxnard CA

* WHAT...Dangerous rip currents and breaking waves due to elevated surf. Minor tidal overflows are possible during morning high tides. * WHERE...Catalina and Santa Barbara Islands, Santa Barbara County Southwestern Coast and Santa Barbara County Southeastern Coast. * WHEN...Through Monday morning. * 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. * ADDITIONAL DETAILS...A significant westerly swell is expected this weekend with impacts likely peaking Saturday. There is potential for advisory-level surf, enhanced beach erosion and minor tidal overflows. Posing most risk to west-facing beaches. Coastal hazards are likely to continue well into next week.

Air Quality Alert issued November 10 at 12:18PM PST by NWS Los Angeles/Oxnard CA

* WHAT...The South Coast AQMD has issued an air quality alert due to harmful levels of fine particle pollution. Visit https://www.aqmd.gov/alertinfo to check current and forecasted air quality levels. * WHERE...in Maywood, Bell Gardens, Westmont, Hawthorne and Manhattan Beach. Levels of particle pollution can vary by time and location depending on emissions and local weather conditions. * WHEN...until 11:59 PM Wednesday. * IMPACTS...Particle pollution can get deep into the lungs and cause serious health problems such as heart attacks, bronchitis, asthma attacks, and difficulty breathing. Everyone can be affected, but sensitive groups such as people with lung or heart disease, older adults, people who are pregnant, children, and those who spend a lot of time outdoors are at greater risk.

Wind Advisory issued November 10 at 12:03PM PST until November 13 at 7:00PM PST by NWS Sacramento CA

* WHAT...South winds 15 to 25 mph with gusts up to 45 mph expected. * WHERE...Northern Sacramento Valley and portions of the central Sacramento Valley. * WHEN...From 4 AM to 7 PM PST Friday. * IMPACTS...Gusty winds will blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. * ADDITIONAL DETAILS...Strongest winds expected Friday afternoon.

Winter Storm Watch issued November 10 at 11:14AM PST until November 16 at 4:00PM PST by NWS Sacramento CA

* WHAT...Snow expected for elevations above 6000 feet. Total snow accumulations up to a foot, with up to 2 feet at the highest peaks. Minor accumulations of around an 1 inch possible down to 5000 feet. Winds could gust as high as 60 mph. * WHERE...Northern Sierra above 6000 feet, including Highway 50, Interstate 80, State Route 4, State Route 108. Southern Cascades above 6000 feet, including Lassen National Park. * WHEN...From Friday morning through Monday afternoon. * IMPACTS...Travel could be very difficult. The hazardous conditions could impact the Friday evening and Monday morning commutes. Strong winds could cause downed tree branches and localized power outages. * ADDITIONAL DETAILS...Snow levels 7000 to 8000 feet Friday, lowering to 6500 feet Saturday, then down to around 5000 feet by Monday morning. Heaviest snowfall expected Friday night into Saturday morning. Light flurries to a dusting possible down to 5000 feet with measurable accumulations remaining above 6000 feet. There could be a break during the day Saturday, followed by additional snow Saturday night into Monday.

Winter Storm Watch issued November 10 at 10:37AM PST until November 14 at 10:00AM PST by NWS Reno NV

* WHAT...Heavy wet snow. Snow accumulations near 12 inches above 7000 to 7500 feet, with up to 6 inches below 7000 feet. Wind gusts of 60 to 80 mph over ridges and gusts of 35 to 45 mph for Truckee and Lake Tahoe communities. * WHERE...Greater Lake Tahoe Area. * WHEN...From Friday morning through Saturday morning. * IMPACTS...Travel could be very difficult. The hazardous conditions could impact the Friday evening commute. Strong winds and Sierra cement snow could cause damage to trees and power lines. Strong winds and rough waves on Lake Tahoe will create hazardous conditions for small watercraft. * ADDITIONAL DETAILS...A burst of heavy snow is likely with this system late Friday afternoon into Friday evening with snow levels falling to as low as 6000 feet.

Winter Storm Watch issued November 10 at 10:37AM PST until November 14 at 10:00AM PST by NWS Reno NV

* WHAT...Heavy wet snow. Snow accumulations near 12 inches above 7000 to 7500 feet, up to 6 inches between 6000 and 7500 feet, and little to no accumulations below 6000 feet. Wind gusts of 60 to 80 mph over ridges and gusts of 40 to 55 mph for areas along Highway 395. * WHERE...Mono County. * WHEN...From Friday afternoon through Saturday morning. * IMPACTS...Travel could be very difficult. The hazardous conditions could impact the Friday evening commute. Strong winds and Sierra cement snow could cause damage to trees and power lines. * ADDITIONAL DETAILS...A burst of heavy snow is likely with this system Friday evening into early Saturday morning with snow levels falling to as low as 6000 feet.

When a severe thunderstorm warning is issued, the storm may produce damaging winds, large hail, dangerous lightning, and heavy rain. In some cases, heavy rainfall produced by a severe storm can also lead to flash flooding. 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 Sacramento.

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