North Bay Inside Valleys and San Francisco Bay Shoreline in addition to San Francisco County are the main focus of an up to date coastal flood advisory launched at 9:04 p.m. on Monday by the Nationwide Climate Service. The advisory is in impact till Tuesday July 22, at midnight.
“Minor coastal flooding expected,” in accordance with the NWS San Francisco CA. “Up to one foot inundation above ground level is possible in low-lying areas near shorelines and tidal waterways. At the San Francisco tidal gauge high tide is expected to be 1.04 feet above normal (6.88 ft MLLW) at 9:02 p.m. Monday. High tide timing varies up to 2 hours earlier or later along the coast and throughout the Bay.”
“Flooding of lots, parks, and roads with only isolated road closures expected,” the NWS mentioned. “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.”
The right way to use a sandbag and the place to get sandbags in your space:
The place to get sandbags in San Mateo County
The place to get sandbags in Alameda County
The place to get sandbags in Santa Clara County
Breaking down climate alerts: advisories, watches, and warnings
Flash flood warning: Take motion!
A flash flood warning is issued when a flash flood is imminent or occurring. If you’re in a flood-prone space, transfer instantly to excessive floor. A flash flood is a sudden violent flood that may take from minutes to hours to develop. It’s even potential to expertise a flash flood in areas not instantly receiving rain.
Flood warning: Take motion!
A flood warning is asserted when flooding is on the verge of occurring or is already underway.
Flood advisory: Bear in mind:
A flood advisory is launched when flooding isn’t anticipated to achieve a severity degree necessitating a warning. Nonetheless, it could possibly nonetheless trigger appreciable inconvenience and, with out exercising warning, doubtlessly result in conditions that threaten life and/or property.
Flood watch: Be ready:
A flood watch is issued when situations are favorable for flooding. It doesn’t imply flooding will happen, however it’s potential.
When floods strike: Tips from the NWS to your safety
Floods can pose a major risk, particularly in case you dwell in a flood-prone space or end up tenting in a low-lying area. To make sure your security, the NWS provides important flood security tips:
Transfer to greater floor:
Should you reside in a flood-prone area or are tenting in low-lying terrain, step one to security is relocating to greater floor.
If native authorities challenge an evacuation order, heed it promptly. Previous to leaving, safe your house by locking it.
Disconnect utilities and home equipment:
If time permits, disconnect your utilities and home equipment. This precaution minimizes electrical hazards throughout flooding.
Keep away from basements and submerged areas:
Keep away from basements or rooms submerged in water with electrical shops or cords. Stopping electrical accidents is essential.
Swift evacuation to your security:
Should you discover sparks or hear buzzing, crackling, snapping, or popping sounds, evacuate immediately. Don’t enter water which will carry {an electrical} cost.
Avoid floodwaters:
By no means try and stroll by way of floodwaters, even when they seem shallow. Simply 6 inches of fast-moving water can forcefully sweep you off your toes.
Search excessive floor if trapped:
Must you turn out to be trapped by shifting water, attain the best level potential and dial 911 to contact emergency companies.
Throughout heavy rainfall, the chance of flooding is heightened, particularly in low-lying and flood-prone areas. All the time keep in mind by no means to drive by way of water on the street, irrespective of how shallow it seems. In keeping with the NWS, as little as 12 inches of quickly flowing water can carry away most autos. Keep protected by being ready and knowledgeable.
Initially Revealed: July 21, 2025 at 9:06 PM PDT
