Severe Severe Storm ● Closed

Special Marine Warning — Mona Passage Southward to 17N; Coastal Waters OF Northwestern Puerto Rico out 10 NM; Coastal Waters OF Southwestern Puerto Rico out 10 NM

Event time: Last updated: Sep 6, 2026 United States
Icon = what happened · ring colour = how serious: Extreme Severe Moderate Minor

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Special Marine Warning issued August 19 at 2:12PM AST until August 19 at 3:15PM AST by NWS San Juan PR

Measurements

Coordinates18.2367, -67.2783
RegionMona Passage Southward to 17N; Coastal Waters OF Northwestern Puerto Rico out 10 NM; Coastal Waters OF Southwestern Puerto Rico out 10 NM
Expires2026-08-19T15:15:00-04:00
Nws UrgencyImmediate
Nws CertaintyLikely

Official source

Weather alert data courtesy of NOAA / National Weather Service

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Severity as published by US National Weather Service.

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Source updated 61 days ago (Aug 19, 2026 19:14 UTC) · we last heard from US National Weather Service 20 seconds ago

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Nearby & related events

Small Craft Advisory for TCI [October 19, 2026], Turks and Caicos Islands Moderate Severe Storm active via WMO 3 hr ago Special Weather Statement issued October 19 at 3:21PM AST by NWS San Juan PR, United States of America Moderate Extreme Weather United States active via WMO 3 hr ago Special Marine Warning — Coastal Waters OF Northwestern Puerto Rico out 10 NM; Coastal Waters OF Southwestern Puerto Rico out 10 NM Severe Severe Storm United States active via NWS 4 hr ago Special Weather Statement issued October 19 at 2:17PM AST by NWS San Juan PR, United States of America Moderate Extreme Weather United States active via WMO 4 hr ago Flash Flood Warning issued October 19 at 1:28PM AST until October 19 at 4:15PM AST by NWS San Juan PR, United States of America Severe Flood United States active via WMO 5 hr ago

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