Another Arctic Blast in the East; Eastern U.S. Winter Storm

A powerful Arctic blast will bring dangerously cold, record low temperatures to the upper Ohio Valley, Mid-Atlantic, Gulf Coast and Southeast U.S. this weekend. A rapidly deepening storm will produce widespread heavy snow and wind from the southern Appalachians across the Carolinas and southern Virginia into Sunday. Storm-force winds and coastal flooding will be possible along the East Coast. Read More >

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Last Map Update: Sat, Jan 31, 2026 at 10:58:28 am AST

Watches, Warnings & Advisories

National Weather Service Miami - South Florida

National Weather Service Southern Region Headquarters

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Small Craft Advisory

Rip Current Statement

Today | Hoy

Marine & beach outlokk

Hazardous Marine & Coastal Conditions

Radar

[Jan 31] ⛈️ We are entering a period of unsettled weather starting today, Saturday. An approaching trough and frontal system will bring periods of moderate to heavy rainfall and isolated thunderstorms through at least midweek. ⚠️ Important: Residents and visitors are urged to avoid small streams, creeks, and other recreational areas near rivers, as water levels can rise rapidly. ********** ⛈️ Estamos entrando en un periodo de tiempo inestable comenzando hoy, sábado. Una vaguada y un sistema frontal que se aproximan a la región provocarán periodos de lluvia de moderada a fuerte y tormentas eléctricas aisladas al menos hasta mediados de semana. ⚠️Importante: Se insta a los residentes y visitantes a evitar riachuelos, quebradas y otras áreas recreativas cerca de ríos, ya que los niveles del agua pueden aumentar rápidamente. #PRwx #USVIwx

🌊⚠️ Deteriorating marine conditions are expected over the next few days, mainly across the northern coast of Puerto Rico, Culebra, St. Thomas, and St. John. Seas may reach up to 🌊 7 feet through early Sunday, with another stronger swell expected to impact the region starting Monday. 🌊⚠️ Durante los próximos días se anticipan condiciones marítimas deterioradas, afectando principalmente la costa norte de Puerto Rico, Culebra, St. Thomas y St. John. Se espera que el oleaje aumente hasta 🌊 7 pies hasta temprano el domingo en la mañana. No obstante, una marejada más fuerte podría provocar un nuevo deterioro de las condiciones marítimas a partir del lunes. #prwx #usviwx

[Jan 31] 🏊🏼⚠️🚩🌊 Hazardous marine & coastal conditions are affecting the offshore Atlantic waters and beaches across PR (North, West, and East), Culebra, St. Thomas, and St. John. * Small Craft Advisory & High Rip Current Risk are in effect through late tonight. Looking ahead, a large, long-period northerly swell arrives early next week, bringing seas up to 12 feet through midweek. Please prioritize safety and stay out of the water! ********** Condiciones marítimas y costeras peligrosas están afectando las aguas del Atlántico y las playas del norte, oeste y este de Puerto Rico, Culebra, St. Thomas y St. John. * Advertencia para Operadores de Embarcaciones Pequeñas y Riesgo Alto de Corrientes Marinas en efecto hasta tarde esta noche. Se espera la llegada de una marejada del norte de largo periodo a principios de la próxima semana, lo que aumentará el oleaje hasta los 12 pies hasta mediados de semana. ¡Por favor, priorice su seguridad y manténgase fuera del agua! #PRwx #USVIwx