First published Oct 19, 2026, 7:11:15 PM UTC · Last updated Oct 19, 2026, 7:11:15 PM UTC

Thunderstorms and lightning

NWS San Juan issues Special Marine Warning for Puerto Rico coastal waters

Reported by U.S. National Weather Service Alerts NWS

The National Weather Service in San Juan issued a Special Marine Warning for coastal waters of northwestern and southwestern Puerto Rico until 4:00 PM AST. The warning described a severe thunderstorm capable of producing waterspouts and wind gusts up to 40 knots, and instructed boaters to seek safe harbor immediately.

At a glance

Affected location: Coastal waters of northwestern and southwestern Puerto Rico

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Why it matters

The warning directs boaters in the affected waters to move to safe harbor immediately.

Location

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Generated scores

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

Confidence: 7/10How certain the assessment is based on the clarity and evidence in the cited reporting.
Geographic reach: 2/10How widely the event reaches, from a local area (1) to worldwide impact (10).
Global importance: 2/10The 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: 9/10How time-sensitive the event is, from low urgency (1) to immediate attention needed (10).

Primary official sources

U.S. National Weather Service Alerts NWS Special Marine Warning issued October 19 at 2:54PM AST until October 19 at 4:00PM AST by NWS San Juan PR

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