As a storm approaches, conditions and instructions can change. Follow official forecasts and emergency information, and take action early when advised.
Emergency notice: During an active emergency, visit the Marin County Emergency Portal for current conditions and instructions.
Steps
-
When a storm is approaching
- Secure loose outdoor items if it is safe to do so.
- Move vehicles and valuables away from flood-prone areas when safe.
- Make sure emergency supplies are accessible.
- Avoid last-minute outdoor maintenance when conditions are unsafe.
- If your property may be affected by flooding, use sandbags or other flood-protection measures you prepared in advance.
-
During a storm
- Follow official emergency instructions, including evacuation orders.
- Avoid flooded roads and areas with downed power lines.
- Check on others when it is safe to do so.
Stay informed
- Sign up for AlertMarin and review your phone’s emergency notification settings.
- Check official weather forecasts, flood information, and high-tide advisories.
- Review road closures, transit impacts, and power outage updates.
- Follow evacuation information and instructions from emergency officials.
Where to Find Current Information
Use trusted official sources to follow changing conditions before and during a storm.
- Emergency information: Marin County Emergency Portal
- Emergency alerts: AlertMarin
- Weather forecasts and warnings: National Weather Service Forecast Office San Francisco
- Road conditions and closures: Marin County Public Works and Caltrans
- Power outages: PG&E
- Transit updates: Marin Transit and Golden Gate Transit
- High tides and coastal conditions: National Weather Service / NOAA
During an active emergency, always follow instructions from local emergency officials.
Reporting non-emergency incidents during a storm
Unincorporated Marin
Report non-emergency issues through the FixItMarin app, including:
- Minor street flooding or ponding water
- A clogged or overflowing storm drain
- Debris or fallen branches blocking a road
- Downed fencing or minor property damage on public land
Incorporated cities and towns
Find where to report in the FixItMarin Coverage Area Directory.
No app or limited internet? Call Marin County Roads, Monday–Friday, 6 a.m.–5 p.m.:
- Urban/East Marin: 415-446-7388
- West Marin: 415-473-2726
Non-emergency issues
For non-emergency issues occurring outside County Roads’ regular business hours, please contact the Marin County Sheriff’s Office non-emergency line at 415‑479‑2311.
If in immediate danger, call 911. FixItMarin is for non-emergency issues only.