First published · Last updated
Small Craft Advisory issued by NWS San Francisco (Sep 19–21, 2026)
Reported by U.S. National Weather Service Alerts NWS
The National Weather Service San Francisco issued a Small Craft Advisory on September 19 at 8:24 AM PDT in effect until September 21 at 9:00 AM PDT.
At a glance
- Region: California
Share this event
Follow: Severe weather in United States
Why it matters
Small Craft Advisories indicate hazardous marine conditions for small vessels along the affected coastal waters; mariners and coastal travelers should exercise caution and check local guidance.
Location
Highlighted marker: this event.
Generated scores
Scores are based on the cited reporting and use a 1–10 scale. Read the methodology.
- Confidence
- 9/10
- Geographic reach
- 3/10
- Global importance
- 5/10
- Impact magnitude
- 4/10
- Urgency
- 8/10
Primary official sources
- U.S. National Weather Service Alerts NWSSmall Craft Advisory issued September 19 at 8:24AM PDT until September 21 at 9:00AM PDT by NWS San Francisco CA
Read our editorial process and corrections policy.
Continue exploring
Related developments reported in the last 30 days. These are not necessarily ongoing incidents.
Loading related developments…
Explore severe weather in united states
