NWS Marine Forecast



 Hazardous marine condition(s):
 Hazardous Weather Outlook
   LSZ322-151430-  St. Marys River Point Iroquois to E. Potagannissing Bay-  228 AM EDT Tue Jul 15 2025    TODAY  Light winds becoming south 5 to 10 knots early in the  evening. Haze through the day. Slight chance of showers and  thunderstorms in the afternoon.  TONIGHT  Southwest wind 5 to 10 knots. Haze. Slight chance of  showers and thunderstorms.  WEDNESDAY  North wind 5 to 10 knots. Partly sunny.  WEDNESDAY NIGHT  Northeast wind 5 to 10 knots. Rain and  scattered thunderstorms.    Winds higher in the vicinity of thunderstorms.    See the open lakes forecast for days 3 through 5.    $$