935 FZUS53 KDLH 180400 NSHDLH Nearshore Marine Forecast National Weather Service Duluth MN 1100 PM CDT Sun May 17 2026 For waters within five nautical miles of shore on Lake Superior. Waves are the significant wave height - the average of the highest 1/3 of the wave spectrum. Occasional wave height is the average of the highest 1/10 of the wave spectrum. LSZ140-181000- Grand Portage to Grand Marais MN- 1100 PM CDT Sun May 17 2026 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 10 AM CDT MONDAY... .REST OF TONIGHT...Northeast wind 10 to 15 knots. Gusts up to 25 knots decreasing to 20 knots toward daybreak. Chance of rain showers late in the evening. Chance of thunderstorms through the night. Rain showers after midnight. Waves 4 to 6 feet. Waves occasionally to 7 feet. .MONDAY...Northeast wind 10 to 15 knots. Gusts up to 20 knots in the late morning and early afternoon. Chance of showers and thunderstorms in the morning. Waves 2 to 4 feet. .MONDAY NIGHT...Northeast wind 15 to 20 knots. Gusts up to 25 knots. Rain showers after midnight. Waves 4 to 6 feet. Waves occasionally to 8 feet. A small craft advisory may be needed. .TUESDAY...North wind 20 to 25 knots with gusts to around 30 knots becoming northwest 15 to 20 knots with gusts to around 25 knots in the afternoon. Rain showers in the morning. Waves 4 to 7 feet subsiding to 1 to 2 feet. Waves occasionally to 9 feet. A small craft advisory may be needed. $$ LSZ141-181000- Grand Marais to Taconite Harbor MN- 1100 PM CDT Sun May 17 2026 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 10 AM CDT MONDAY... .REST OF TONIGHT...Northeast wind 10 to 15 knots. Gusts up to 25 knots decreasing to 20 knots toward daybreak. Chance of rain showers late in the evening. Chance of thunderstorms through the night. Rain showers after midnight. Waves 4 to 7 feet. Waves occasionally to 9 feet. .MONDAY...Northeast wind 5 to 10 knots becoming west late in the morning, then becoming southeast early in the afternoon becoming northeast late in the afternoon. Chance of showers and thunderstorms in the morning. Waves 2 to 4 feet subsiding to 1 to 3 feet in the afternoon. .MONDAY NIGHT...Northeast wind 10 to 15 knots. Gusts up to 20 knots after midnight. Slight chance of rain showers in the evening, then rain showers after midnight. Waves 1 to 3 feet building to 2 to 4 feet after midnight. A small craft advisory may be needed. .TUESDAY...North wind 5 to 10 knots with gusts to around 20 knots becoming northwest in the afternoon. Rain showers in the morning. Waves 2 to 4 feet subsiding to 1 to 3 feet in the afternoon. $$ LSZ142-181000- Taconite Harbor to Silver Bay Harbor MN- 1100 PM CDT Sun May 17 2026 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 10 AM CDT MONDAY... .REST OF TONIGHT...Northeast wind 10 to 15 knots. Gusts up to 25 knots decreasing to 20 knots toward daybreak. Chance of rain showers late in the evening. Chance of thunderstorms through the night. Rain showers likely after midnight. Waves 5 to 8 feet. Waves occasionally to 10 feet. .MONDAY...North wind 5 to 10 knots becoming northwest late in the morning, then becoming southeast early in the afternoon becoming northeast late in the afternoon. Chance of showers and thunderstorms in the morning. Waves 3 to 5 feet subsiding to 1 to 2 feet late in the afternoon. .MONDAY NIGHT...Northeast wind 10 to 15 knots with gusts to around 20 knots. Chance of rain showers in the evening, then rain showers after midnight. Waves 1 to 2 feet building to 2 to 4 feet after midnight. A small craft advisory may be needed. .TUESDAY...North wind 5 to 10 knots becoming northwest in the afternoon. Rain showers in the morning. Waves 2 to 4 feet subsiding to 1 to 3 feet late in the afternoon. A small craft advisory may be needed. $$ LSZ143-181000- Silver Bay Harbor to Two Harbors MN- 1100 PM CDT Sun May 17 2026 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 10 AM CDT MONDAY... .REST OF TONIGHT...Northeast wind 15 to 20 knots. Gusts up to 25 knots decreasing to 20 knots toward daybreak. Chance of rain showers late in the evening. Chance of thunderstorms through the night. Rain showers likely after midnight. Waves 5 to 8 feet subsiding to 4 to 6 feet toward daybreak. Waves occasionally to 11 feet. .MONDAY...Northeast wind 5 to 10 knots. Chance of rain showers and slight chance of thunderstorms in the morning. Waves 3 to 5 feet subsiding to 1 to 2 feet late in the afternoon. .MONDAY NIGHT...Northeast wind 10 to 15 knots. Gusts up to 20 knots late in the evening increasing to 25 knots, then decreasing to 20 knots early in the morning. Chance of rain showers and slight chance of thunderstorms in the evening, then rain showers after midnight. Waves 1 to 2 feet building to 2 to 4 feet after midnight. A small craft advisory may be needed. .TUESDAY...North wind 5 to 10 knots becoming northwest in the late morning and afternoon. Rain showers in the morning. Waves 2 to 4 feet. A small craft advisory may be needed. $$ LSZ144-181000- Two Harbors to Duluth MN- 1100 PM CDT Sun May 17 2026 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 10 AM CDT MONDAY... .REST OF TONIGHT...Northeast wind 15 to 20 knots. Gusts up to 25 knots decreasing to 20 knots toward daybreak. Rain showers likely late in the evening. Chance of thunderstorms through the night. Rain showers after midnight. Waves 6 to 9 feet subsiding to 4 to 6 feet toward daybreak. Waves occasionally to 12 feet. .MONDAY...Northeast wind 5 to 10 knots. Chance of rain showers and slight chance of thunderstorms in the morning. Waves 2 to 4 feet subsiding to 1 to 3 feet in the afternoon. .MONDAY NIGHT...Northeast wind 10 to 15 knots. Gusts up to 20 knots late in the evening increasing to 25 knots, then decreasing to 20 knots early in the morning. Rain showers likely in the evening. Slight chance of thunderstorms through the night. Rain showers after midnight. Waves 1 to 2 feet building to 3 to 5 feet in the late evening and overnight. Waves occasionally to 7 feet. A small craft advisory may be needed. .TUESDAY...North wind 10 to 15 knots becoming northwest 5 to 10 knots in the late morning and afternoon. Rain showers in the morning. Waves 2 to 4 feet. A small craft advisory may be needed. $$ LSZ145-181000- Duluth MN to Port Wing WI- 1100 PM CDT Sun May 17 2026 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 10 AM CDT MONDAY... .REST OF TONIGHT...Northeast wind 15 to 20 knots. Gusts up to 25 knots decreasing to 20 knots toward daybreak. Rain showers likely late in the evening. Chance of thunderstorms through the night. Rain showers after midnight. Waves 6 to 9 feet subsiding to 4 to 6 feet toward daybreak. Waves occasionally to 12 feet. .MONDAY...Northeast wind 5 to 10 knots. Slight chance of thunderstorms in the morning. Slight chance of rain showers through the day. Waves 2 to 4 feet subsiding to 1 to 3 feet in the afternoon. .MONDAY NIGHT...Northeast wind 10 to 15 knots. Gusts up to 20 knots late in the evening increasing to 25 knots, then decreasing to 20 knots early in the morning. Rain showers likely in the evening. Slight chance of thunderstorms through the night. Rain showers after midnight. Waves 1 to 2 feet building to 3 to 5 feet in the late evening and overnight. Waves occasionally to 7 feet. A small craft advisory may be needed. .TUESDAY...North wind 10 to 15 knots with gusts to around 20 knots becoming northwest with gusts to around 20 knots in the late morning and afternoon. Rain showers in the morning. Waves 2 to 4 feet. A small craft advisory may be needed. $$ LSZ146-181000- Port Wing to Sand Island WI- 1100 PM CDT Sun May 17 2026 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 10 AM CDT MONDAY... .REST OF TONIGHT...Northeast wind 10 to 15 knots with gusts to around 20 knots. Chance of rain showers late in the evening. Chance of thunderstorms through the night. Rain showers after midnight. Waves 5 to 8 feet subsiding to 3 to 5 feet toward daybreak. Waves occasionally to 10 feet. .MONDAY...Northeast wind 5 to 10 knots. Chance of rain showers and slight chance of thunderstorms in the morning, then slight chance of rain showers in the afternoon. Waves 2 to 4 feet subsiding to 1 to 3 feet in the afternoon. .MONDAY NIGHT...Northeast wind 10 to 15 knots. Gusts up to 25 knots. Chance of rain showers in the evening. Slight chance of thunderstorms through the night. Rain showers after midnight. Waves 1 to 3 feet building to 3 to 5 feet after midnight. Waves occasionally to 7 feet. A small craft advisory may be needed. .TUESDAY...Northeast wind 5 to 10 knots with gusts to around 20 knots becoming northwest in the late morning and afternoon. Rain showers in the morning. Waves 3 to 5 feet. Waves occasionally to 7 feet. A small craft advisory may be needed. $$ LSZ147-181000- Sand Island to Bayfield WI- 1100 PM CDT Sun May 17 2026 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 10 AM CDT MONDAY... .REST OF TONIGHT...Northeast wind 10 to 15 knots. Gusts up to 20 knots late in the evening. Chance of rain showers late in the evening. Chance of thunderstorms through the night. Rain showers after midnight. Waves 4 to 7 feet. Waves occasionally to 9 feet. .MONDAY...North wind 5 to 10 knots becoming east late in the afternoon. Chance of rain showers and slight chance of thunderstorms in the morning, then slight chance of rain showers in the afternoon. Waves 2 to 4 feet subsiding to 1 to 3 feet in the afternoon. .MONDAY NIGHT...Northeast wind 15 to 20 knots with gusts to around 25 knots. Chance of rain showers in the evening. Slight chance of thunderstorms through the night. Rain showers after midnight. Waves 1 to 2 feet building to 3 to 5 feet in the late evening and overnight. Waves occasionally to 7 feet. A small craft advisory may be needed. .TUESDAY...North wind 10 to 15 knots with gusts to around 20 knots becoming northwest 5 to 10 knots in the late morning and afternoon. Rain showers in the morning. Waves 3 to 5 feet subsiding to 1 to 3 feet late in the afternoon. Waves occasionally to 7 feet. A small craft advisory may be needed. $$ LSZ150-181000- Outer Apostle Islands Beyond 5 NM from Mainland- 1100 PM CDT Sun May 17 2026 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 10 AM CDT MONDAY... .REST OF TONIGHT...Northeast wind 15 to 20 knots. Gusts up to 25 knots decreasing to 20 knots toward daybreak. Chance of rain showers late in the evening. Chance of thunderstorms through the night. Rain showers after midnight. Waves 5 to 8 feet. Waves occasionally to 10 feet. .MONDAY...North wind 5 to 10 knots becoming northeast late in the afternoon. Chance of rain showers and slight chance of thunderstorms in the morning, then slight chance of rain showers in the afternoon. Waves 3 to 5 feet subsiding to 1 to 3 feet late in the afternoon. .MONDAY NIGHT...Northeast wind 15 to 20 knots. Gusts up to 20 knots increasing to 25 knots in the late evening and overnight. Chance of rain showers in the evening. Slight chance of thunderstorms through the night. Rain showers after midnight. Waves 1 to 3 feet building to 5 to 8 feet. Waves occasionally to 10 feet. A small craft advisory may be needed. .TUESDAY...Northeast wind 10 to 15 knots with gusts to around 25 knots becoming northwest 5 to 10 knots in the afternoon. Rain showers in the morning. Waves 6 to 9 feet subsiding to 4 to 6 feet in the afternoon. Waves occasionally to 11 feet. A small craft advisory may be needed. $$ LSZ121-181000- Chequamegon Bay-Bayfield to Oak Point WI- 1100 PM CDT Sun May 17 2026 .REST OF TONIGHT...Northeast wind 10 to 15 knots. Gusts up to 20 knots late in the evening. Chance of rain showers late in the evening. Chance of thunderstorms through the night. Rain showers after midnight. Waves 4 to 6 feet subsiding to 3 to 5 feet toward daybreak. Waves occasionally to 8 feet. .MONDAY...North wind 5 knots becoming northeast in the afternoon. Chance of rain showers and slight chance of thunderstorms in the morning, then slight chance of rain showers in the afternoon. Waves 1 to 3 feet. .MONDAY NIGHT...Northeast wind 15 to 20 knots. Gusts up to 25 knots in the late evening and early morning decreasing to 20 knots. Chance of rain showers and slight chance of thunderstorms in the evening, then rain showers and chance of thunderstorms after midnight. Waves 1 to 3 feet building to 5 to 8 feet. Waves occasionally to 10 feet. A small craft advisory may be needed. .TUESDAY...North wind 10 to 15 knots with gusts to around 20 knots becoming northwest with gusts to around 20 knots in the late morning and afternoon. Rain showers in the morning. Waves 1 to 2 feet. $$ LSZ148-181000- Oak Point to Saxon Harbor WI- 1100 PM CDT Sun May 17 2026 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 10 AM CDT MONDAY... .REST OF TONIGHT...Northeast wind 10 to 15 knots. Gusts up to 20 knots late in the evening. Chance of rain showers late in the evening. Chance of thunderstorms through the night. Rain showers after midnight. Waves 4 to 6 feet. Waves occasionally to 8 feet. .MONDAY...North wind 5 knots becoming northeast in the afternoon. Chance of rain showers and slight chance of thunderstorms in the morning, then slight chance of rain showers in the afternoon. Waves 2 to 4 feet subsiding to 1 to 3 feet in the afternoon. .MONDAY NIGHT...Northeast wind 15 to 20 knots. Gusts up to 25 knots in the late evening and early morning decreasing to 20 knots. Rain showers likely and slight chance of thunderstorms in the evening, then rain showers and chance of thunderstorms after midnight. Waves 1 to 3 feet building to 5 to 8 feet. Waves occasionally to 10 feet. A small craft advisory may be needed. .TUESDAY...North wind 15 to 20 knots with gusts to around 25 knots becoming northwest 10 to 15 knots with gusts to around 20 knots in the late morning and afternoon. Rain showers in the morning. Waves 5 to 8 feet subsiding to 3 to 5 feet late in the afternoon. Waves occasionally to 10 feet. A small craft advisory may be needed. $$ Graphical marine forecasts are available online at: weather.gov/greatlakes WFO DLH  173 FZUS53 KGRB 180405 NSHGRB Nearshore Marine Forecast National Weather Service Green Bay WI 1105 PM CDT Sun May 17 2026 For waters within five nautical miles of shore on Lake Michigan LMZ521-522-181000- Green Bay south of line from Cedar River to Rock Island Passage and north of a line from Oconto WI to Little Sturgeon Bay WI- Green Bay south of line from Oconto WI to Little Sturgeon Bay WI- 1105 PM CDT Sun May 17 2026 ...DENSE FOG ADVISORY IN EFFECT UNTIL 9 AM CDT MONDAY... ...SMALL CRAFT ADVISORY IN EFFECT THROUGH MONDAY EVENING... .REST OF TONIGHT...E wind 5 to 10 kts veering SE 10 to 15 kts after midnight. Waves 1 to 3 ft. Patchy dense fog. a chance of showers and thunderstorms. .MONDAY...S wind 10 to 15 kts. Waves 1 to 3 ft. Patchy dense fog in the morning. a chance of showers and a slight chance of thunderstorms. .MONDAY NIGHT...S wind 10 to 15 kts backing SE in the late evening and overnight. Waves 2 ft or less. Rain showers and a chance of thunderstorms. patchy fog after midnight. .TUESDAY...S wind 15 to 25 kts veering NW 10 to 20 kts early in the afternoon. Waves 1 to 3 ft. Rain showers likely in the morning. A Small Craft Advisory may be needed. $$ LMZ541-181000- Rock Island Passage to Sturgeon Bay WI- 1105 PM CDT Sun May 17 2026 ...DENSE FOG ADVISORY IN EFFECT UNTIL 9 AM CDT MONDAY... ...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TUESDAY NIGHT... .REST OF TONIGHT...SE wind 10 to 15 kts veering S 10 to 20 kts after midnight. Waves 4 to 7 ft. Patchy dense fog late in the evening. Areas of dense fog after midnight. a chance of showers and thunderstorms. .MONDAY...S wind 15 to 25 kts decreasing to 10 to 15 kts early in the afternoon. Waves 5 to 8 ft. Patchy fog in the morning. a chance of showers and a slight chance of thunderstorms. .MONDAY NIGHT...S wind 10 to 15 kts increasing to 15 to 25 kts after midnight. Waves 4 to 7 ft. A chance of showers in the evening. A chance of thunderstorms. Rain showers after midnight. areas of dense fog after midnight. .TUESDAY...S wind 15 to 25 kts veering NW 10 to 20 kts early in the afternoon. Waves 4 to 7 ft. Rain showers likely in the morning. $$ LMZ542-543-181000- Sturgeon Bay to Two Rivers WI-Two Rivers to Sheboygan WI- 1105 PM CDT Sun May 17 2026 ...DENSE FOG ADVISORY IN EFFECT UNTIL 9 AM CDT MONDAY... ...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TUESDAY NIGHT... .REST OF TONIGHT...SE wind 10 to 15 kts veering S 15 to 25 kts after midnight. Waves 4 to 7 ft. Areas of dense fog. a slight chance of showers and thunderstorms. .MONDAY...S wind 15 to 25 kts. Waves 4 to 7 ft. Patchy dense fog in the morning. a chance of showers and a slight chance of thunderstorms. .MONDAY NIGHT...S wind 10 to 15 kts increasing to 15 to 25 kts in the late evening and overnight. Waves 4 to 7 ft. A chance of showers in the evening. A chance of thunderstorms. Rain showers after midnight. patchy fog after midnight. .TUESDAY...S wind 15 to 25 kts veering W early in the afternoon. Waves 4 to 7 ft. A chance of showers in the morning. $$ See Lake Michigan Open Lake Forecast for Wednesday through Friday. Wave height forecast is for ice free areas.  695 FZUS53 KMKX 180410 NSHMKX Nearshore Marine Forecast National Weather Service Milwaukee/Sullivan WI 1110 PM CDT Sun May 17 2026 For waters within five nautical miles of shore on Lake Michigan LMZ643-181000- Sheboygan to Port Washington WI- 1110 PM CDT Sun May 17 2026 ...DENSE FOG ADVISORY IN EFFECT UNTIL 3 AM CDT MONDAY... .REST OF TONIGHT...South wind 5 to 15 knots becoming 10 to 15 knots with gusts to around 20 knots early in the morning. Areas of dense fog after midnight, then patchy fog early in the morning. chance of showers and thunderstorms early in the morning. Waves 4 to 6 feet building to 5 to 7 feet early in the morning. .MONDAY...South wind 15 to 20 knots. Chance of showers and thunderstorms. Waves 5 to 7 feet subsiding to 4 to 6 feet late in the afternoon. .MONDAY NIGHT...South wind 15 to 20 knots becoming 15 to 25 knots early in the morning. Patchy fog through around midnight. slight chance of showers and thunderstorms through around midnight, then showers likely and a chance of thunderstorms after midnight. Waves 4 to 6 feet. .TUESDAY...South wind 15 to 25 knots veering west late in the afternoon. Rain showers likely and a chance of thunderstorms in the morning. Waves 4 to 6 feet subsiding to 3 to 4 feet in the afternoon. $$ LMZ644-181000- Port Washington to North Point Light WI- 1110 PM CDT Sun May 17 2026 ...DENSE FOG ADVISORY IN EFFECT UNTIL 3 AM CDT MONDAY... .REST OF TONIGHT...South wind 5 to 15 knots becoming 10 to 15 knots with gusts to around 20 knots early in the morning. Patchy dense fog after midnight. chance of showers and thunderstorms early in the morning. Waves 4 to 6 feet. .MONDAY...South wind 10 to 20 knots becoming 15 to 20 knots in the late morning and early afternoon, then becoming south 15 to 20 knots late in the afternoon. Chance of showers and thunderstorms. Waves 3 to 5 feet. .MONDAY NIGHT...South wind 15 to 20 knots becoming 15 to 25 knots early in the morning. Slight chance of showers and thunderstorms through around midnight, then showers likely and a chance of thunderstorms after midnight. Waves 3 to 4 feet building to 3 to 5 feet early in the morning. .TUESDAY...South wind 15 to 25 knots veering west late in the afternoon. Rain showers likely and a chance of thunderstorms in the morning, then slight chance of showers and thunderstorms in the afternoon. Waves 3 to 5 feet subsiding to 3 to 4 feet in the late morning and afternoon. $$ LMZ645-181000- North Point Light to Wind Point WI- 1110 PM CDT Sun May 17 2026 .REST OF TONIGHT...South wind 10 to 15 knots. Gusts up to 20 knots. Chance of showers and slight chance of thunderstorms early in the morning. Waves 3 to 4 feet. .MONDAY...South wind 15 to 20 knots. Rain showers likely in the morning. Chance of thunderstorms through the day. Chance of showers in the afternoon. Waves 3 to 4 feet. .MONDAY NIGHT...South wind 15 to 20 knots becoming 15 to 25 knots early in the morning. Slight chance of showers and thunderstorms through around midnight, then showers likely and a chance of thunderstorms after midnight. Waves 3 to 4 feet. A small craft advisory may be needed. .TUESDAY...South wind 15 to 25 knots veering southwest late in the morning, then veering west early in the afternoon becoming 15 to 20 knots late in the afternoon. Chance of thunderstorms in the morning. Showers likely through the day. Slight chance of thunderstorms in the afternoon. Waves 3 to 4 feet subsiding to 1 to 2 feet late in the afternoon. $$ LMZ646-181000- Wind Point WI to Winthrop Harbor IL- 1110 PM CDT Sun May 17 2026 .REST OF TONIGHT...South wind 10 to 15 knots rising to 15 to 20 knots early in the morning. Chance of showers and slight chance of thunderstorms early in the morning. Waves 3 to 4 feet. .MONDAY...South wind 15 to 20 knots easing to 10 to 15 knots in the afternoon. Rain showers likely in the morning. Chance of thunderstorms through the day. Chance of showers in the afternoon. Waves 3 to 4 feet. .MONDAY NIGHT...South wind 15 to 20 knots becoming 15 to 25 knots early in the morning. Slight chance of showers and thunderstorms through around midnight, then showers likely and a chance of thunderstorms after midnight. Waves 3 to 4 feet. A small craft advisory may be needed. .TUESDAY...South wind 15 to 25 knots veering southwest late in the morning, then becoming 15 to 20 knots early in the afternoon veering west late in the afternoon. Chance of thunderstorms in the morning. Showers likely through the day. Slight chance of thunderstorms in the afternoon. Waves 3 to 4 feet subsiding to 1 to 2 feet late in the afternoon. $$ See Lake Michigan Open Waters Forecast for Wednesday through Friday.  483 FZUS53 KGRB 180430 NSHGRB Nearshore Marine Forecast National Weather Service Green Bay WI 1130 PM CDT Sun May 17 2026 For waters within five nautical miles of shore on Lake Michigan LMZ521-522-181000- Green Bay south of line from Cedar River to Rock Island Passage and north of a line from Oconto WI to Little Sturgeon Bay WI- Green Bay south of line from Oconto WI to Little Sturgeon Bay WI- 1130 PM CDT Sun May 17 2026 ...DENSE FOG ADVISORY IN EFFECT UNTIL 9 AM CDT MONDAY... ...SMALL CRAFT ADVISORY IN EFFECT THROUGH MONDAY EVENING... .REST OF TONIGHT...E wind 10 to 15 kts veering SE after midnight. Waves 1 to 3 ft. Patchy dense fog. a chance of showers and thunderstorms. .MONDAY...S wind 10 to 15 kts. Waves 1 to 3 ft. Patchy dense fog in the morning. a chance of showers and a slight chance of thunderstorms. .MONDAY NIGHT...S wind 10 to 20 kts. Waves 2 ft or less. Rain showers and a chance of thunderstorms. patchy fog after midnight. .TUESDAY...SW wind 15 to 25 kts veering NW 10 to 20 kts early in the afternoon. Waves 1 to 3 ft. A chance of showers in the morning. A Small Craft Advisory may be needed. $$ LMZ541-181000- Rock Island Passage to Sturgeon Bay WI- 1130 PM CDT Sun May 17 2026 ...DENSE FOG ADVISORY IN EFFECT UNTIL 9 AM CDT MONDAY... ...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TUESDAY NIGHT... .REST OF TONIGHT...E wind 10 to 15 kts veering S 10 to 20 kts after midnight. Waves 4 to 7 ft. Patchy dense fog late in the evening. Areas of dense fog after midnight. a chance of showers and thunderstorms. .MONDAY...S wind 15 to 25 kts decreasing to 10 to 15 kts early in the afternoon. Waves 5 to 8 ft. Patchy fog in the morning. a chance of showers and a slight chance of thunderstorms. .MONDAY NIGHT...S wind 15 to 25 kts. Waves 4 to 7 ft. A chance of showers in the evening. A chance of thunderstorms. Rain showers after midnight. areas of fog after midnight. .TUESDAY...S wind 15 to 25 kts veering NW 10 to 20 kts early in the afternoon. Waves 4 to 7 ft. Rain showers likely in the morning. $$ LMZ542-543-181000- Sturgeon Bay to Two Rivers WI-Two Rivers to Sheboygan WI- 1130 PM CDT Sun May 17 2026 ...DENSE FOG ADVISORY IN EFFECT UNTIL 9 AM CDT MONDAY... ...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TUESDAY NIGHT... .REST OF TONIGHT...SE wind 10 to 15 kts veering S 15 to 25 kts after midnight. Waves 4 to 7 ft. Areas of dense fog. a slight chance of showers and thunderstorms. .MONDAY...S wind 15 to 25 kts decreasing to 10 to 15 kts early in the afternoon. Waves 4 to 7 ft. Patchy dense fog in the morning. a chance of showers and a slight chance of thunderstorms. .MONDAY NIGHT...S wind 10 to 15 kts increasing to 15 to 25 kts in the late evening and overnight. Waves 4 to 7 ft. A chance of showers and thunderstorms. patchy fog after midnight. .TUESDAY...SW wind 15 to 25 kts veering W early in the afternoon. Waves 4 to 7 ft. A chance of showers in the morning. $$ See Lake Michigan Open Lake Forecast for Wednesday through Friday. Wave height forecast is for ice free areas.