First published Oct 31, 2026, 6:44:16 AM UTC · Last updated Oct 31, 2026, 6:44:16 AM UTC

Coastal and marine hazards

Coastal Flood Warning — NWS Jacksonville FL

Original source title

Coastal Flood Warning issued October 31 at 2:34AM EDT until November 1 at 5:00AM EST by NWS Jacksonville FL

Reported by U.S. National Weather Service Alerts NWS

A coastal flood warning covers Eastern Putnam County until 5 AM Sunday. The alert says flooding may inundate low-lying property and critical infrastructure, close roads, and cause shoreline erosion.

At a glance

Affected location: Eastern Putnam County
A coastal flood warning covers Eastern Putnam County until 5 AM Sunday.

Illustrative image: On the Miami River. Photochrom print by the Detroit Photographic Co. , copyrighted 1900. From the Photochrom Prints Collection at the Library of Congress More photochroms from Florida & the United States More photochrom prints [PD] This picture is in the public domain — trialsanderrors/Wikimedia Commons, CC BY 2.0

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Why it matters

The alert advises protecting flood-prone property and avoiding barricaded roads or water of unknown depth.

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: 2/10How widely the event reaches, from a local area (1) to worldwide impact (10).
Global importance: 3/10The event's broader significance, from limited importance (1) to major global importance (10).
Impact magnitude: 5/10The 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 Coastal Flood Warning issued October 31 at 2:34AM EDT until November 1 at 5:00AM EST by NWS Jacksonville FL

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Related developments reported in the last 30 days. These are not necessarily ongoing incidents.

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Coastal flood warning for the Florida KeysOct 30, 2026, 8:56 PM UTC
The warning covers Monroe Upper, Middle, and Lower Keys through 5 AM EDT on October 31. Major saltwater flooding is expected; roads may close and low-lying property, including homes, businesses, and some critical infrastructure, may be inundated.
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The warning covers the Upper, Middle and Lower Keys through 5 AM EDT October 29, with major saltwater flooding expected, especially around high tide. The source says roads may close and low-lying homes, businesses and some critical infrastructure may be inundated.
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NWS Jacksonville issued a coastal flood warning through 5:00 AM EDT on October 31 for areas in the St. Johns River Basin. The alert says flooding may inundate low-lying homes, businesses, and infrastructure, and may close roads.

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