First published Sep 19, 2026, 8:59:15 AM UTC · Last updated Oct 20, 2026, 2:20:00 AM UTC

Small Craft Advisory — NWS Los Angeles/Oxnard (Sept 19)

Reported by U.S. National Weather Service Alerts NWS

National Weather Service Los Angeles/Oxnard issued a Small Craft Advisory effective September 19 from 1:43 AM PDT until 9:00 PM PDT for the Los Angeles/Oxnard coastal area. Mariners operating small vessels should expect hazardous seas and/or winds during the advisory period.

At a glance

Region: California

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Why it matters

Advisory conditions increase risk to small boats and coastal operations; mariners, recreational boaters, and local coastal services may need to alter plans or take precautions.

Location

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Generated scores

Scores are based on the cited reporting and use a 1–10 scale. Read the methodology.

Confidence: 8/10How certain the assessment is based on the clarity and evidence in the cited reporting.
Geographic reach: 3/10How widely the event reaches, from a local area (1) to worldwide impact (10).
Global importance: 5/10The event's broader significance, from limited importance (1) to major global importance (10).
Impact magnitude: 3/10The scale or severity of the real-world impact, from minor (1) to extreme (10).
Urgency: 6/10How time-sensitive the event is, from low urgency (1) to immediate attention needed (10).

Primary official sources

U.S. National Weather Service Alerts NWS Small Craft Advisory issued September 19 at 1:43AM PDT until September 19 at 9:00PM PDT by NWS Los Angeles/Oxnard CA

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