Greenwich Point and Byram Beach are virtually certain to close for swimming as a slow-moving storm system dumps 3 to 6 inches of rain on the area, with isolated spots potentially seeing up to 10 inches. Both totals far exceed the automatic closure thresholds under the town's 2026 Rain Closure Policy.
The National Weather Service flood watch for Greenwich remains active through 8 p.m. Wednesday, July 29. The heaviest rainfall was expected overnight Tuesday into Wednesday, with rates reaching 1 to 2 inches per hour, according to the Greenwich Police Department's storm advisory.
Under the town's policy, Byram Beach closes after just 0.3 inches of rainfall. Greenwich Point closes after 1.0 inch. With forecast totals running 10 to 30 times those thresholds, closures at both beaches are expected to last at least a full day after the rain ends.
The math is simple. If multiple storms occur, Byram Beach stays closed for one full day after the rain stops entirely, according to the town's beach season guidelines.
This marks the second time in roughly a week that storms have shut down Greenwich's land beaches. The July 21 storm triggered a two-day closure at both locations; they didn't reopen until Friday, July 24.
How to check beach status
The town's Beach Swimming Status page is updated by 9 a.m. each day if conditions change. Residents can also call the Division of Environmental Services Beach Hotline at 203-622-7855. Closure signs are posted at each beach by the Department of Parks and Recreation.
Island Beach and Great Captain's Island are not subject to the same rainfall closure policy and are announced separately.
Storm safety
As we reported Wednesday, the Greenwich Police Department asked residents to stay home if travel is not necessary and warned of longer wait times on the non-emergency line during the storm.
First Selectman Fred Camillo urged caution on Tuesday, July 28. Town Emergency Management Director Joe Laucella said in the town's storm announcement that day that it was not yet possible to know which parts of the region would see the heaviest rain, and urged residents to be prepared and drive carefully.
The GPD reminded residents: never drive through a flooded roadway. Saturated soil from prior storms means water can quickly flood roads, underpasses, basements, and areas with poor drainage, according to the department's advisory.
Standing water and West Nile risk
The storm's aftermath could also worsen mosquito breeding conditions. The Greenwich Department of Health confirmed on Tuesday, July 28, that mosquitoes near the Cohen Eastern Greenwich Civic Center in Old Greenwich tested positive for West Nile Virus, the first detection in Greenwich this year.
Greenwich Health Director Caroline Calderone Baisley said warm weather and periodic rain have increased mosquito breeding. Residents should dump standing water from containers, birdbaths, and tires after the storm passes.
Residents can sign up for emergency alerts at GreenwichAlerts.org. For emergencies, call 911; for non-emergency police matters, call 203-622-8004.
