NWS Marine Forecast



 Hazardous marine condition(s):
 Hazardous Weather Outlook
   LSZ322-161030-  St. Marys River Point Iroquois to E. Potagannissing Bay-  1021 PM EDT Tue Jul 15 2025    OVERNIGHT  Light winds. Haze early in the evening.  WEDNESDAY  Northwest wind 5 to 10 knots. Chance of  thunderstorms and slight chance of showers.  WEDNESDAY NIGHT  Northeast wind 5 to 10 knots. Chance of  showers and thunderstorms.  THURSDAY  North wind 10 to 15 knots. Chance of showers.    Winds higher in the vicinity of thunderstorms.    See the open lakes forecast for days 3 through 5.    $$