Jacksonville/ Weather & Environment

St. Marys River Forecast to Reach 14 Feet Near Macclenny

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Published on October 05, 2026
St. Marys River Forecast to Reach 14 Feet Near MacclennySource: Panagiotis Falcos / Unsplash

What the gauge forecast shows

At 7:45 p.m. EDT Sunday, the St. Marys River gauge at Macclenny read 10.2 feet. The National Weather Service in Jacksonville forecast the river to pass its 12-foot flood stage late Monday morning and reach 14 feet Tuesday evening, with minor flooding forecast from Monday morning until further notice, according to the warning reproduced by GovOneStop. The warning covers Baker, Nassau and Charlton counties.

County closures and road conditions

Baker County Commissioners announced Monday morning that Shoals Park would stay closed until further notice because of flooding, Action News Jax reported. News4JAX reported standing water on county roads and described rainfall in the area as roughly 10 inches: News4JAX coverage.

Tuesday plans affected by rain

Action News Jax reported that Tuesday was designated a First Alert Weather Day because of the potential for prolonged rain. The Baker County Sheriff’s Office also canceled National Night Out, scheduled for 6 p.m. to 8 p.m. at the Macclenny Duck Pond, because of the forecast, the outlet reported: Action News Jax.