Marine and Coastal Impacts from Imelda; Unsettled Weather in the West

Swells and high surf from both Imelda and Humberto are expected to bring dangerous marine conditions and rip currents to much of the East Coast over the next several days. A series of Pacific frontal systems will bring waves of showers and thunderstorms to portions of northern California and the Pacific Northwest through midweek. Read More >

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Last Map Update: Tue, Sep 30, 2025 at 12:09:03 am AST

Watches, Warnings & Advisories

National Weather Service Miami - South Florida

National Weather Service Southern Region Headquarters

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Hazardous Weather Outlook

Flood Risk Tuesday: Limited → Elevated

Heat Risk Tuesday: Elevated

Heat Upcoming Days

Rip Currents

Tropical

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📅 Tue, Sep 30, 2025 · A limited to elevated flood risk is expected for NW Puerto Rico Tuesday afternoon into evening. Hazards include localized flooding, slippery roads, isolated flash floods and rapid river rises. | Se espera un riesgo limitado a elevado de inundaciones para el noroeste de Puerto Rico el martes en la tarde hasta la noche. Los peligros incluyen inundaciones localizadas, carreteras resbalosas, inundaciones repentinas aisladas y aumentos súbitos en ríos. Pulsos de marejadas del noreste asociadas al Huracán Humberto continuarán llegando a nuestra zona, promoviendo corrientes marinas amenzantes a la vida y condiciones marítimas peligorsas. ¡Manténgase informados! #prwx #usviwx

📅 Tue, Sep 30, 2025 · An Elevated Heat Risk is expected across Puerto Rico, Vieques, Culebra, and the U.S. Virgin Islands Tuesday from 10 AM to 5 PM AST. Residents should drink plenty of water, avoid strenuous activity, rest in shade or air conditioning, and wear light, loose clothing. | Se espera un Riesgo Elevado de Calor en Puerto Rico, Vieques, Culebra y las Islas Vírgenes de EE. UU. el martes de 10 AM a 5 PM AST. Se recomienda beber mucha agua, evitar actividades intensas, descansar en sombra o aire acondicionado y usar ropa ligera y holgada.

🔥 Hot conditions will prevail through the rest of the week! 🔥 Las condiciones de calor prevalecerán por el resto de la semana!

[September 29] As the long-period swell continues to diminish. Hence, there's a moderate risk of rip current for the northern beaches of Puerto Rico, including Culebra, and St. Thomas and St. John in the U.S. Virgin Islands. Beachgoers are urged to exercise caution. [29 de septiembre] A medida que la marejada de largo periodo continúa disminuyendo, existe un riesgo moderado de corrientes marinas en las playas del norte de Puerto Rico, incluyendo Culebra, y en St. Thomas y St. John en las Islas Vírgenes Estadounidenses. Se recomienda a los bañistas a que ejerzan precaución. #prwx #usviwx

[Sep 29th] 8 AM AST Tropical Weather Outlook 🌀 The National Hurricane Center is issuing advisories on Tropical Storm Imelda, located near the northwestern Bahamas, and on Hurricane Humberto, located a few hundred miles south-southwest of Bermuda. There is no tropical threat to Puerto Rico or the U.S. Virgin Islands. Tropical cyclone formation is not expected during the next 7 days. | [29 de sep] Perspectiva sobre las Condiciones del Tiempo en el Trópico de las 8 AM AST 🌀 El Centro Nacional de Huracanes está emitiendo advertencias sobre la tormenta tropical Imelda, ubicada cerca del noroeste de las Bahamas, y sobre el huracán Humberto, ubicado a unos cientos de millas al sur-suroeste de las Bermudas. No hay amenaza tropical para Puerto Rico y las Islas Vírgenes de EE.UU. No se espera formación de ciclones tropicales durante los próximos 7 días. #PRwx #USVIwx hurricanes.gov weather.gov/sju