524 FZUS73 KLOT 171704 MWSLOT Marine Weather Statement National Weather Service Chicago/Romeoville 1204 PM CDT Wed Jun 17 2026 LMZ740>745-777-779-171830- /O.CON.KLOT.MA.W.0044.000000T0000Z-260617T1830Z/ 1204 PM CDT Wed Jun 17 2026 ...A SPECIAL MARINE WARNING REMAINS IN EFFECT UNTIL 130 PM CDT... For the following areas... Nearshore Waters from Winthrop Harbor to Calumet Harbor... Nearshore Waters from Calumet Harbor to Michigan City... Open Waters from Winthrop Harbor to Michigan City out to Mid Lake... At 1201 PM CDT, very strong south southeast winds were over the lake. Another surge of wind was approaching the lake from the western and northwestern Chicago suburbs. HAZARD...Wind gusts to around 50 knots. SOURCE...Harrison Dever Water Crib. At 1148 AM CDT, a gust to 51 knots was reported. At 1151 AM CDT, a gust to 44 knots was observed at Montrose Harbor Light. IMPACT...Small craft could be damaged in briefly higher winds and suddenly higher waves. Locations impacted include... Harrison-Dever Crib, Wilmette Harbor, 31st Street Harbor, Monroe Harbor, Burns Harbor, Calumet Harbor, Winthrop Harbor, Indiana Harbor, Montrose Harbor, Waukegan Harbor, Burnham Harbor, and Hammond Marina. PRECAUTIONARY/PREPAREDNESS ACTIONS... Seek safe shelter...mariners can expect gusty winds and increasing waves. && LAT...LON 4162 8733 4164 8743 4168 8743 4167 8747 4170 8751 4183 8760 4189 8762 4189 8760 4190 8762 4206 8767 4227 8783 4248 8780 4246 8702 4213 8696 4179 8697 4179 8696 4172 8691 4163 8716 4162 8732 4161 8732 TIME...MOT...LOC 1701Z 281DEG 45KT 4215 8689 4199 8710 4182 8774 HAIL...0.00IN WIND...49KTS $$ RC 941 FZUS73 KLOT 171739 MWSLOT Marine Weather Statement National Weather Service Chicago/Romeoville 1239 PM CDT Wed Jun 17 2026 LMZ740>745-777-779-171830- /O.CON.KLOT.MA.W.0044.000000T0000Z-260617T1830Z/ 1239 PM CDT Wed Jun 17 2026 ...A SPECIAL MARINE WARNING REMAINS IN EFFECT UNTIL 130 PM CDT... For the following areas... Nearshore Waters from Winthrop Harbor to Calumet Harbor... Nearshore Waters from Calumet Harbor to Michigan City... Open Waters from Winthrop Harbor to Michigan City out to Mid Lake... At 1233 PM CDT, very strong southerly winds were occurring over much of southern Lake Michigan. HAZARD...Wind gusts locally in excess of 50 knots. SOURCE...Harrison Dever Water Crib. At 1220 PM CDT, a gust to 52 knots was observed. A gust to 55 knots occurred just prior to 12 PM CDT at the water crib. In addition, at 1155 AM CDT, Montrose Harbor Light gusted to 48 knots. IMPACT...Boats could suffer significant structural damage in high winds. Small craft could capsize in suddenly higher waves. Locations impacted include... Harrison-Dever Crib, Wilmette Harbor, 31st Street Harbor, Monroe Harbor, Burns Harbor, Calumet Harbor, Winthrop Harbor, Indiana Harbor, Montrose Harbor, Waukegan Harbor, Burnham Harbor, and Hammond Marina. PRECAUTIONARY/PREPAREDNESS ACTIONS... Seek safe shelter...mariners can expect strong winds and high waves. && LAT...LON 4162 8733 4164 8743 4168 8743 4167 8747 4170 8751 4183 8760 4189 8762 4189 8760 4190 8762 4206 8767 4227 8783 4248 8780 4246 8702 4213 8696 4179 8697 4179 8696 4172 8691 4163 8716 4162 8732 4161 8732 TIME...MOT...LOC 1733Z 281DEG 45KT 4208 8645 4192 8666 4176 8730 HAIL...0.00IN WIND...50KTS $$ RC 837 FZUS74 KLIX 171746 MWSLIX Marine Weather Statement National Weather Service New Orleans LA 1246 PM CDT Wed Jun 17 2026 GMZ541-543-551-553-171845- 1246 PM CDT Wed Jun 17 2026 A Marine Weather Statement has been issued for the following areas... Barataria Bay... Coastal Waters from Port Fourchon LA to Lower Atchafalaya River LA out 20 nm... Coastal waters from the Southwest Pass of the Mississippi River to Port Fourchon Louisiana out 20 NM... Terrebonne Bay... At 1245 PM CDT, Doppler radar indicated a cluster of showers, capable of producing winds to around 30 knots and weak waterspouts. This cluster of showers is generally located 7 nm east of Timbalier Island, moving north at 25 knots. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners can expect widespread gusty winds to around 30 knots and higher waves. Boaters should seek safe harbor immediately until this activity passes. Brief, weak waterspouts are possible with this activity. Remain on alert in case warnings are issued for waterspout development. Report severe weather to the Coast Guard or nearest law enforcement agency. They will relay your report to the National Weather Service forecast office. && LAT...LON 2940 9048 2935 9039 2937 9033 2930 9030 2925 9021 2919 9022 2914 9019 2925 9015 2935 9019 2939 9017 2946 9028 2951 9027 2955 9006 2954 9004 2957 8995 2954 8992 2889 8997 2893 9054 2939 9055 $$ Zeringue 637 FZUS73 KGRR 171758 MWSGRR Marine Weather Statement National Weather Service Grand Rapids MI 158 PM EDT Wed Jun 17 2026 LMZ844-878-171900- 158 PM EDT Wed Jun 17 2026 ...Gusty winds from the southeast to 30 knots expected... The areas affected include... Nearshore and Open Waters from St Joseph to South Haven MI... At 155 PM EDT, gusty winds from the southeast to 30 knots can be expected to persist. These winds are not associated with ongoing thunderstorms, but still could present a hazard to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners can expect gusty winds to around 30 knots and locally higher waves. Boaters should seek safe harbor immediately until after winds subside. && LAT...LON 4213 8656 4212 8696 4245 8702 4244 8636 4241 8629 4239 8628 4225 8635 4211 8649 $$ TJT