43°3'bắc / 85°56'tây / Cao độ 195 m / 19:07 15/09/2026, America/Detroit (UTC-4)
From: 15/09/2026, 14:42
To: 15/09/2026, 22:45
* WHAT...High wave action, strong currents, and dangerous swimming conditions expected. Piers may be heavily swamped by waves. * WHERE...Mason, Oceana, Muskegon and Ottawa counties. * WHEN...Until 11 PM EDT this evening. * IMPACTS...Strong currents can pull swimmers into deeper water and high waves can sweep people off piers.
Ottawa
Remain out of the water to avoid hazardous swimming conditions
and do not venture out on piers. Please check with your local
authorities on potential beach closures.
NWS Grand Rapids MI
15/09/2026, 14:42