


Marine Weather Message
Issued by NWS Detroit/Pontiac, MI
Issued by NWS Detroit/Pontiac, MI
181 WHUS73 KDTX 171948 MWWDTX URGENT - MARINE WEATHER MESSAGE National Weather Service Detroit/Pontiac MI 348 PM EDT Thu Jul 17 2025 LHZ422-172100- /O.EXP.KDTX.SC.Y.0057.000000T0000Z-250717T2000Z/ Inner Saginaw Bay SW of Point Au Gres to Bay Port MI- 348 PM EDT Thu Jul 17 2025 ...SMALL CRAFT ADVISORY WILL EXPIRE AT 4 PM EDT THIS AFTERNOON... $$ LHZ421-441-180400- /O.CON.KDTX.SC.Y.0057.000000T0000Z-250718T0400Z/ Outer Saginaw Bay SW of Alabaster to Port Austin MI to Inner Saginaw Bay-Port Austin to Harbor Beach MI- 348 PM EDT Thu Jul 17 2025 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL MIDNIGHT EDT TONIGHT... * WHAT...Expect sustained winds up to 17 knots from the north with gusts up to 25 knots. The largest significant waves will be 4 feet with a potential maximum wave height of 5 feet. * WHERE...Outer Saginaw Bay SW of Alabaster to Port Austin MI to Inner Saginaw Bay and Port Austin to Harbor Beach MI. * WHEN...The maximum winds are expected around 5 PM EDT Thursday with the largest waves expected around 5 PM EDT Thursday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ LHZ442-443-180400- /O.CON.KDTX.SC.Y.0057.000000T0000Z-250718T0400Z/ Harbor Beach to Port Sanilac MI-Port Sanilac to Port Huron MI- 348 PM EDT Thu Jul 17 2025 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL MIDNIGHT EDT TONIGHT... * WHAT...Expect sustained winds up to 16 knots from the north with gusts up to 25 knots. The largest significant waves will be 4 feet with a potential maximum wave height of 5 feet. * WHERE...Harbor Beach to Port Sanilac MI and Port Sanilac to Port Huron MI. * WHEN...The maximum winds are expected around 6 PM EDT Thursday with the largest waves expected around 6 PM EDT Thursday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$