157 FZUS53 KDLH 202200 NSHDLH Nearshore Marine Forecast National Weather Service Duluth MN 500 PM CDT Wed May 20 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. LSZ140-210400- Grand Portage to Grand Marais MN- 500 PM CDT Wed May 20 2026 .TONIGHT...Southwest wind 10 to 15 knots becoming west 5 knots after midnight. Mostly clear. Waves 1 to 2 feet. .THURSDAY...Southeast wind 5 to 10 knots. Sunny. Waves 1 foot or less. .THURSDAY NIGHT...Northeast wind 5 to 10 knots. Partly cloudy. Waves 1 to 2 feet. .FRIDAY...East wind 15 to 20 knots with gusts to around 25 knots. Mostly sunny. Waves 1 to 2 feet building to 1 to 3 feet late in the afternoon. $$ LSZ141-210400- Grand Marais to Taconite Harbor MN- 500 PM CDT Wed May 20 2026 .TONIGHT...East wind 5 knots early in the evening becoming variable 10 knots or less. Mostly clear. Waves 1 foot or less. .THURSDAY...East wind 5 to 10 knots. Sunny. Waves 1 foot or less. .THURSDAY NIGHT...Northeast wind 5 to 10 knots. Partly cloudy in the evening then becoming mostly cloudy. Waves 1 to 2 feet. .FRIDAY...East wind 15 to 20 knots with gusts to around 25 knots. Mostly sunny. Waves 1 to 2 feet building to 1 to 3 feet late in the afternoon. $$ LSZ142-210400- Taconite Harbor to Silver Bay Harbor MN- 500 PM CDT Wed May 20 2026 .TONIGHT...Northeast wind 5 knots early in the evening becoming variable 10 knots or less. Mostly clear. Waves 1 foot or less. .THURSDAY...Variable winds 10 knots or less becoming east 5 knots in the late morning and afternoon. Mostly sunny. Waves 1 foot or less. .THURSDAY NIGHT...Northeast wind 5 knots. Partly cloudy in the evening then becoming mostly cloudy. Waves 1 foot or less. .FRIDAY...Northeast wind 10 to 15 knots with gusts to around 25 knots. Mostly sunny. Waves 1 to 2 feet building to 1 to 3 feet late in the afternoon. $$ LSZ143-210400- Silver Bay Harbor to Two Harbors MN- 500 PM CDT Wed May 20 2026 .TONIGHT...Northeast wind 5 knots. Mostly clear. Waves 1 foot or less. .THURSDAY...Northeast wind 5 to 10 knots. Mostly sunny. Waves 1 foot or less. .THURSDAY NIGHT...Northeast wind 5 to 10 knots. Partly cloudy in the evening then becoming mostly cloudy. Waves 1 foot or less. .FRIDAY...Northeast wind 15 to 20 knots with gusts to around 25 knots. Mostly sunny. Waves 1 to 3 feet. $$ LSZ144-210400- Two Harbors to Duluth MN- 500 PM CDT Wed May 20 2026 .TONIGHT...Northeast wind 5 knots. Mostly clear. Waves 1 foot or less. .THURSDAY...Northeast wind 10 to 15 knots with gusts to around 20 knots. Sunny. Waves 1 to 2 feet. .THURSDAY NIGHT...Northeast wind 10 to 15 knots with gusts to around 20 knots easing to 5 knots early in the morning. Partly cloudy. Waves 1 to 2 feet. .FRIDAY...Northeast wind 15 to 20 knots with gusts to around 25 knots. Partly sunny. Waves 1 to 2 feet building to 2 to 4 feet in the afternoon. A small craft advisory may be needed. $$ LSZ145-210400- Duluth MN to Port Wing WI- 500 PM CDT Wed May 20 2026 .TONIGHT...East wind 5 knots. Mostly clear. Waves 1 foot or less. .THURSDAY...Northeast wind 10 to 15 knots with gusts to around 20 knots. Mostly sunny. Waves 1 to 2 feet. .THURSDAY NIGHT...Northeast wind 10 to 15 knots with gusts to around 20 knots easing to 5 knots early in the morning. Partly cloudy. Waves 1 to 2 feet. .FRIDAY...Northeast wind 15 to 20 knots with gusts to around 25 knots. Partly sunny. Waves 1 to 2 feet building to 2 to 4 feet in the afternoon. A small craft advisory may be needed. $$ LSZ146-210400- Port Wing to Sand Island WI- 500 PM CDT Wed May 20 2026 .TONIGHT...East wind 5 knots. Mostly clear. Waves 1 foot or less. .THURSDAY...Variable winds 10 knots or less becoming northeast 5 to 10 knots with gusts to around 20 knots in the late morning and afternoon. Mostly sunny. Waves 1 foot or less. .THURSDAY NIGHT...Northeast wind 5 to 10 knots. Partly cloudy in the evening then becoming mostly cloudy. Waves 1 foot or less. .FRIDAY...Northeast wind 10 to 15 knots with gusts to around 20 knots. Partly sunny. Waves 1 to 2 feet. $$ LSZ147-210400- Sand Island to Bayfield WI- 500 PM CDT Wed May 20 2026 .TONIGHT...Southeast wind 5 knots. Mostly clear. Waves 1 foot or less. .THURSDAY...Southeast wind 5 knots becoming east in the late morning and afternoon. Mostly sunny. Waves 1 foot or less. .THURSDAY NIGHT...East wind 5 to 10 knots becoming north early in the morning. Partly cloudy in the evening then becoming mostly cloudy. Waves 1 foot or less. .FRIDAY...Northeast wind 10 to 15 knots with gusts to around 20 knots. Partly sunny. Waves 1 to 3 feet. $$ LSZ150-210400- Outer Apostle Islands Beyond 5 NM from Mainland- 500 PM CDT Wed May 20 2026 .TONIGHT...Southeast wind 5 knots. Mostly clear. Waves 1 foot or less. .THURSDAY...Southeast wind 5 knots becoming east in the afternoon. Sunny. Waves 1 foot or less. .THURSDAY NIGHT...East wind 5 to 10 knots becoming southeast after midnight. Partly cloudy in the evening then becoming mostly cloudy. Waves 1 to 2 feet. .FRIDAY...East wind 10 to 15 knots with gusts to around 25 knots. Partly sunny. Waves 1 to 2 feet building to 2 to 4 feet late in the afternoon. $$ LSZ121-210400- Chequamegon Bay-Bayfield to Oak Point WI- 500 PM CDT Wed May 20 2026 .TONIGHT...East wind 5 knots until early morning becoming variable 10 knots or less. Mostly clear. Waves 1 foot or less. .THURSDAY...South wind 5 knots becoming east in the afternoon. Mostly sunny. Waves 1 foot or less. .THURSDAY NIGHT...Northeast wind 5 to 10 knots becoming south after midnight. Partly cloudy. Waves 1 foot or less. .FRIDAY...Northeast wind 10 to 15 knots with gusts to around 20 knots. Partly sunny. Waves 1 to 2 feet. $$ LSZ148-210400- Oak Point to Saxon Harbor WI- 500 PM CDT Wed May 20 2026 .TONIGHT...East wind 5 knots becoming south late in the night. Mostly clear. Waves 1 foot or less. .THURSDAY...South wind 5 knots becoming east in the afternoon. Mostly sunny. Waves 1 foot or less. .THURSDAY NIGHT...East wind 5 to 10 knots becoming south after midnight. Partly cloudy. Waves 1 foot or less. .FRIDAY...Northeast wind 10 to 15 knots with gusts to around 20 knots. Partly sunny. Waves 1 to 3 feet. $$ Graphical marine forecasts are available online at: weather.gov/greatlakes WFO DLH  003 FZUS53 KMKX 202210 NSHMKX Nearshore Marine Forecast National Weather Service Milwaukee/Sullivan WI 510 PM CDT Wed May 20 2026 For waters within five nautical miles of shore on Lake Michigan LMZ643-210400- Sheboygan to Port Washington WI- 510 PM CDT Wed May 20 2026 .TONIGHT...Northeast wind 10 to 15 knots rising to 15 to 20 knots after midnight, then easing to 10 to 15 knots early in the morning. Partly cloudy. Waves 2 to 4 feet. .THURSDAY...Northeast wind 15 to 20 knots easing to 10 to 15 knots late in the morning, then becoming northeast 10 to 15 knots in the afternoon. Mostly sunny in the morning then becoming mostly cloudy. Waves 2 to 4 feet subsiding to 1 to 3 feet late in the afternoon. .THURSDAY NIGHT...Northeast wind 10 to 15 knots becoming east 15 to 20 knots after midnight, then easing to 10 to 15 knots early in the morning. Mostly cloudy. Waves 3 to 4 feet. .FRIDAY...East wind 10 to 15 knots backing northeast late in the morning, then rising to 15 to 20 knots early in the afternoon becoming northeast 15 to 20 knots late in the afternoon. Partly sunny. Waves 3 to 4 feet. $$ LMZ644-210400- Port Washington to North Point Light WI- 510 PM CDT Wed May 20 2026 ...SMALL CRAFT ADVISORY IN EFFECT FROM THURSDAY EVENING THROUGH FRIDAY EVENING... .TONIGHT...Northeast wind 10 to 15 knots rising to 15 to 20 knots late in the evening, then becoming northeast 15 to 20 knots after midnight. Partly cloudy. Waves 3 to 4 feet. .THURSDAY...Northeast wind 15 to 20 knots easing to 10 to 15 knots late in the morning, then becoming northeast 10 to 15 knots in the afternoon. Mostly sunny in the morning then becoming mostly cloudy. Waves 3 to 4 feet. .THURSDAY NIGHT...Northeast wind 15 to 20 knots veering east after midnight, then becoming 10 to 20 knots early in the morning. Partly cloudy through around midnight then becoming mostly cloudy. Waves 3 to 4 feet. .FRIDAY...East wind 10 to 20 knots becoming 15 to 20 knots late in the morning, then backing northeast early in the afternoon becoming northeast 15 to 20 knots late in the afternoon. Partly sunny. Waves 3 to 4 feet. $$ LMZ645-210400- North Point Light to Wind Point WI- 510 PM CDT Wed May 20 2026 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH FRIDAY EVENING... .TONIGHT...Northeast wind 15 to 20 knots becoming 10 to 20 knots early in the morning. Partly cloudy. Waves 3 to 4 feet. .THURSDAY...Northeast wind 15 to 20 knots easing to 10 to 15 knots early in the afternoon, then becoming northeast 10 to 15 knots late in the afternoon. Mostly sunny in the morning then becoming mostly cloudy. Waves 3 to 4 feet. .THURSDAY NIGHT...Northeast wind 15 to 20 knots veering east 10 to 20 knots after midnight, then becoming 15 to 20 knots early in the morning. Partly cloudy. Waves 3 to 4 feet. .FRIDAY...East wind 15 to 20 knots backing northeast late in the afternoon. Partly sunny. Waves 3 to 5 feet. $$ LMZ646-210400- Wind Point WI to Winthrop Harbor IL- 510 PM CDT Wed May 20 2026 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH FRIDAY EVENING... .TONIGHT...Northeast wind 15 to 20 knots becoming 10 to 20 knots early in the morning. Partly cloudy. Waves 3 to 4 feet. .THURSDAY...Northeast wind 15 to 20 knots easing to 10 to 15 knots late in the morning, then becoming northeast 10 to 15 knots early in the afternoon becoming northeast 10 to 15 knots with gusts to around 20 knots late in the afternoon. Partly sunny. Waves 3 to 4 feet. .THURSDAY NIGHT...North wind 15 to 20 knots veering east after midnight. Partly cloudy. Waves 3 to 4 feet. .FRIDAY...East wind 15 to 20 knots backing northeast late in the afternoon. Slight chance of showers in the afternoon. Waves 3 to 4 feet. $$ See Lake Michigan Open Waters Forecast for Saturday through Monday.  129 FZUS53 KGRR 202238 NSHGRR Nearshore Marine Forecast National Weather Service Grand Rapids MI 638 PM EDT Wed May 20 2026 For waters within five nautical miles of shore on Lake Michigan LMZ849-210800- Pentwater to Manistee MI- 638 PM EDT Wed May 20 2026 .THROUGH EARLY EVENING...North winds 15 to 20 knots. Sunny. Waves 2 to 3 feet. .TONIGHT...Northeast winds 10 to 20 knots. Partly cloudy. Waves 2 to 3 feet. .THURSDAY...Northeast winds 5 to 15 knots backing north 10 to 20 knots early in the afternoon. Mostly sunny. Waves 1 to 3 feet. .THURSDAY NIGHT...North winds 10 to 15 knots veering east in the late evening and overnight. Partly cloudy. Waves 1 to 3 feet. .FRIDAY...East winds 10 to 20 knots. Partly sunny. Waves around 1 foot. .FRIDAY NIGHT...East winds 15 to 25 knots. Cloudy with rain showers. Waves 1 to 2 feet. .SATURDAY...East winds 10 to 20 knots backing northeast early in the afternoon. Rain showers. Waves around 1 foot. .SUNDAY...Southwest winds 5 to 15 knots. Mostly cloudy. Waves 1 foot or less. .MEMORIAL DAY...Southwest winds 5 to 15 knots. Mostly sunny. Waves 1 foot or less. $$ LMZ848-210800- Whitehall to Pentwater MI- 638 PM EDT Wed May 20 2026 .THROUGH EARLY EVENING...North winds 20 to 25 knots. Sunny. Waves 2 to 4 feet. .TONIGHT...North winds 15 to 25 knots veering northeast 10 to 15 knots after midnight. Partly cloudy. Waves 2 to 4 feet subsiding to 1 to 3 feet in the late evening and overnight. .THURSDAY...Northeast winds 10 to 20 knots backing north early in the afternoon. Mostly sunny. Waves 1 to 3 feet. .THURSDAY NIGHT...North winds 10 to 20 knots veering east in the late evening and overnight. Partly cloudy. Waves 1 to 3 feet. .FRIDAY...East winds 15 to 20 knots. Partly sunny. Waves 1 to 2 feet. .FRIDAY NIGHT...East winds 20 to 25 knots. Rain showers. Waves 1 to 3 feet. .SATURDAY...East winds 15 to 20 knots backing north early in the afternoon. Mostly cloudy with rain showers. Waves 1 to 2 feet. .SUNDAY...South winds 5 to 10 knots veering southwest early in the afternoon. Mostly cloudy. Waves 1 foot or less. .MEMORIAL DAY...Northeast winds 5 to 10 knots backing southwest 10 to 15 knots in the late morning and afternoon. Mostly sunny. Waves 1 foot or less. $$ LMZ847-210800- Grand Haven to Whitehall MI- 638 PM EDT Wed May 20 2026 .THROUGH EARLY EVENING...Northwest winds 20 to 25 knots. Sunny. Waves 2 to 4 feet. .TONIGHT...North winds 15 to 25 knots veering northeast in the late evening and overnight. Partly cloudy. Waves 2 to 4 feet. .THURSDAY...Northeast winds 10 to 15 knots backing north early in the afternoon. Mostly sunny. Waves around 1 foot. .THURSDAY NIGHT...East winds 15 to 20 knots. Partly cloudy. Waves 1 to 2 feet. .FRIDAY...East winds 15 to 25 knots. Partly sunny. Waves 1 to 2 feet. .FRIDAY NIGHT...East winds to 30 knots. Rain showers. Waves 1 to 3 feet. .SATURDAY...East winds 15 to 25 knots backing north around 15 knots early in the afternoon. Mostly cloudy with rain showers. Waves 1 to 2 feet. .SUNDAY...South winds 5 to 10 knots veering southwest in the late morning and afternoon. Mostly cloudy. Waves 1 foot or less. .MEMORIAL DAY...North winds 5 to 10 knots backing west in the late morning and afternoon. Mostly sunny. Waves 1 foot or less. $$ LMZ846-210800- Holland to Grand Haven MI- 638 PM EDT Wed May 20 2026 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 2 AM EDT THURSDAY... .THROUGH EARLY EVENING...Northwest winds 20 to 25 knots. Sunny. Waves 3 to 5 feet. .TONIGHT...North winds 15 to 25 knots veering northeast in the late evening and overnight. Partly cloudy. Waves 3 to 5 feet subsiding to 1 to 2 feet after midnight. .THURSDAY...Northeast winds 10 to 20 knots. Mostly sunny. Waves around 1 foot. .THURSDAY NIGHT...East winds 15 to 20 knots. Partly cloudy. Waves 1 to 2 feet. .FRIDAY...East winds 15 to 25 knots. Partly sunny. Waves 1 to 2 feet. .FRIDAY NIGHT...East winds to 30 knots. Rain showers. Waves 1 to 3 feet. .SATURDAY...East winds 15 to 20 knots backing west 10 to 15 knots early in the afternoon. Mostly cloudy with rain showers. Waves 1 to 3 feet. .SUNDAY...South winds 5 to 10 knots veering southwest in the late morning and afternoon. Mostly cloudy. Waves less than 1 foot. .MEMORIAL DAY...North winds 5 to 10 knots backing west in the late morning and afternoon. Mostly sunny. Waves less than 1 foot. $$ LMZ845-210800- South Haven to Holland MI- 638 PM EDT Wed May 20 2026 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 2 AM EDT THURSDAY... .THROUGH EARLY EVENING...North winds 20 to 25 knots. Sunny. Waves 3 to 5 feet. .TONIGHT...North winds 15 to 25 knots veering northeast after midnight. Partly cloudy. Waves 3 to 5 feet subsiding to 2 to 3 feet after midnight. .THURSDAY...East winds 10 to 15 knots backing northeast early in the afternoon. Mostly sunny. Waves around 1 foot. .THURSDAY NIGHT...Northeast winds 15 to 20 knots. Partly cloudy. Waves 1 to 2 feet. .FRIDAY...East winds 15 to 20 knots. Partly sunny. Waves around 1 foot. .FRIDAY NIGHT...East winds 15 to 25 knots. Rain showers. Waves 1 to 2 feet. .SATURDAY...East winds 15 to 20 knots veering west 10 to 15 knots early in the afternoon. Mostly cloudy with rain showers. Waves around 1 foot. .SUNDAY...Southeast winds 5 to 10 knots veering west early in the afternoon. Mostly cloudy. Waves less than 1 foot. .MEMORIAL DAY...Northeast winds around 5 knots backing northwest in the late morning and afternoon. Mostly sunny. Waves less than 1 foot. $$ LMZ844-210800- St Joseph to South Haven MI- 638 PM EDT Wed May 20 2026 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 2 AM EDT THURSDAY... .THROUGH EARLY EVENING...North winds 20 to 25 knots. Mostly sunny. Waves 3 to 5 feet. .TONIGHT...North winds 15 to 25 knots veering northeast 10 to 20 knots after midnight. Partly cloudy. Waves 3 to 5 feet. .THURSDAY...East winds 10 to 15 knots backing north early in the afternoon. Mostly sunny. Waves 1 to 3 feet. .THURSDAY NIGHT...Northeast winds 10 to 15 knots. Partly cloudy. Waves 1 to 2 feet. .FRIDAY...East winds 15 to 20 knots. Partly sunny. Waves 1 to 2 feet. .FRIDAY NIGHT...East winds 15 to 20 knots. Rain showers. Waves 1 to 2 feet. .SATURDAY...East winds 10 to 15 knots veering west early in the afternoon. Mostly cloudy with a chance of rain showers. Waves around 1 foot. .SUNDAY...South winds 5 to 10 knots veering west early in the afternoon. Mostly cloudy. Waves less than 1 foot. .MEMORIAL DAY...Northeast winds around 5 knots backing northwest early in the afternoon. Partly sunny. Waves less than 1 foot. $$  660 FZUS53 KDLH 202248 NSHDLH Nearshore Marine Forecast National Weather Service Duluth MN 547 PM CDT Wed May 20 2026 For waters within five nautical miles of shore on Lake Superior. Waves are the significant wave height - the average of the highest 1/3 of the wave spectrum. Occasional wave height is the average of the highest 1/10 of the wave spectrum. LSZ140-210400- Grand Portage to Grand Marais MN- 548 PM CDT Wed May 20 2026 .TONIGHT...Southwest wind 5 to 10 knots becoming west after midnight. Mostly clear. Waves 1 to 2 feet. .THURSDAY...Southeast wind 5 to 10 knots. Sunny. Waves 1 foot or less. .THURSDAY NIGHT...Northeast wind 5 to 10 knots. Partly cloudy. Waves 1 to 2 feet. .FRIDAY...East wind 15 to 20 knots with gusts to around 25 knots. Mostly sunny. Waves 1 to 2 feet building to 1 to 3 feet late in the afternoon. $$ LSZ141-210400- Grand Marais to Taconite Harbor MN- 548 PM CDT Wed May 20 2026 .TONIGHT...Northeast wind 5 knots early in the evening becoming variable 10 knots or less. Mostly clear. Waves 1 foot or less. .THURSDAY...East wind 5 to 10 knots. Sunny. Waves 1 foot or less. .THURSDAY NIGHT...Northeast wind 5 to 10 knots. Partly cloudy in the evening then becoming mostly cloudy. Waves 1 to 2 feet. .FRIDAY...East wind 15 to 20 knots with gusts to around 25 knots. Mostly sunny. Waves 1 to 2 feet building to 1 to 3 feet late in the afternoon. $$ LSZ142-210400- Taconite Harbor to Silver Bay Harbor MN- 548 PM CDT Wed May 20 2026 .TONIGHT...Northeast wind 5 knots early in the evening becoming variable 10 knots or less. Mostly clear. Waves 1 foot or less. .THURSDAY...Variable winds 10 knots or less becoming east 5 knots in the late morning and afternoon. Mostly sunny. Waves 1 foot or less. .THURSDAY NIGHT...Northeast wind 5 knots. Partly cloudy in the evening then becoming mostly cloudy. Waves 1 foot or less. .FRIDAY...Northeast wind 10 to 15 knots with gusts to around 25 knots. Mostly sunny. Waves 1 to 2 feet building to 1 to 3 feet late in the afternoon. $$ LSZ143-210400- Silver Bay Harbor to Two Harbors MN- 548 PM CDT Wed May 20 2026 .TONIGHT...Northeast wind 5 knots. Mostly clear. Waves 1 foot or less. .THURSDAY...Northeast wind 5 to 10 knots. Mostly sunny. Waves 1 foot or less. .THURSDAY NIGHT...Northeast wind 5 to 10 knots. Partly cloudy in the evening then becoming mostly cloudy. Waves 1 foot or less. .FRIDAY...Northeast wind 15 to 20 knots with gusts to around 25 knots. Mostly sunny. Waves 1 to 3 feet. $$ LSZ144-210400- Two Harbors to Duluth MN- 548 PM CDT Wed May 20 2026 .TONIGHT...Northeast wind 5 to 10 knots. Mostly clear. Waves 1 foot or less. .THURSDAY...Northeast wind 10 to 15 knots with gusts to around 20 knots. Sunny. Waves 1 to 2 feet. .THURSDAY NIGHT...Northeast wind 10 to 15 knots with gusts to around 20 knots easing to 5 knots early in the morning. Partly cloudy. Waves 1 to 2 feet. .FRIDAY...Northeast wind 15 to 20 knots with gusts to around 25 knots. Partly sunny. Waves 1 to 2 feet building to 2 to 4 feet in the afternoon. A small craft advisory may be needed. $$ LSZ145-210400- Duluth MN to Port Wing WI- 548 PM CDT Wed May 20 2026 .TONIGHT...Northeast wind 5 to 10 knots. Mostly clear. Waves 1 foot or less. .THURSDAY...Northeast wind 10 to 15 knots with gusts to around 20 knots. Mostly sunny. Waves 1 to 2 feet. .THURSDAY NIGHT...Northeast wind 10 to 15 knots with gusts to around 20 knots easing to 5 knots early in the morning. Partly cloudy. Waves 1 to 2 feet. .FRIDAY...Northeast wind 15 to 20 knots with gusts to around 25 knots. Partly sunny. Waves 1 to 2 feet building to 2 to 4 feet in the afternoon. A small craft advisory may be needed. $$ LSZ146-210400- Port Wing to Sand Island WI- 548 PM CDT Wed May 20 2026 .TONIGHT...East wind 5 knots. Mostly clear. Waves 1 foot or less. .THURSDAY...Variable winds 10 knots or less becoming northeast 5 to 10 knots with gusts to around 20 knots in the late morning and afternoon. Mostly sunny. Waves 1 foot or less. .THURSDAY NIGHT...Northeast wind 5 to 10 knots. Partly cloudy in the evening then becoming mostly cloudy. Waves 1 foot or less. .FRIDAY...Northeast wind 10 to 15 knots with gusts to around 20 knots. Partly sunny. Waves 1 to 2 feet. $$ LSZ147-210400- Sand Island to Bayfield WI- 548 PM CDT Wed May 20 2026 .TONIGHT...Southeast wind 5 knots. Mostly clear. Waves 1 foot or less. .THURSDAY...Southeast wind 5 knots becoming east in the late morning and afternoon. Mostly sunny. Waves 1 foot or less. .THURSDAY NIGHT...East wind 5 to 10 knots becoming north early in the morning. Partly cloudy in the evening then becoming mostly cloudy. Waves 1 foot or less. .FRIDAY...Northeast wind 10 to 15 knots with gusts to around 20 knots. Partly sunny. Waves 1 to 3 feet. $$ LSZ150-210400- Outer Apostle Islands Beyond 5 NM from Mainland- 548 PM CDT Wed May 20 2026 .TONIGHT...Southeast wind 5 to 10 knots. Mostly clear. Waves 1 foot or less. .THURSDAY...Southeast wind 5 knots becoming east in the afternoon. Sunny. Waves 1 foot or less. .THURSDAY NIGHT...East wind 5 to 10 knots becoming southeast after midnight. Partly cloudy in the evening then becoming mostly cloudy. Waves 1 to 2 feet. .FRIDAY...East wind 10 to 15 knots with gusts to around 25 knots. Partly sunny. Waves 1 to 2 feet building to 2 to 4 feet late in the afternoon. $$ LSZ121-210400- Chequamegon Bay-Bayfield to Oak Point WI- 548 PM CDT Wed May 20 2026 .TONIGHT...East wind 5 to 10 knots until early morning becoming variable 10 knots or less. Mostly clear. Waves 1 foot or less. .THURSDAY...South wind 5 knots becoming east in the afternoon. Mostly sunny. Waves 1 foot or less. .THURSDAY NIGHT...Northeast wind 5 to 10 knots becoming south after midnight. Partly cloudy. Waves 1 foot or less. .FRIDAY...Northeast wind 10 to 15 knots with gusts to around 20 knots. Partly sunny. Waves 1 to 2 feet. $$ LSZ148-210400- Oak Point to Saxon Harbor WI- 548 PM CDT Wed May 20 2026 .TONIGHT...East wind 5 to 10 knots becoming south late in the night. Mostly clear. Waves 1 foot or less. .THURSDAY...South wind 5 knots becoming east in the afternoon. Mostly sunny. Waves 1 foot or less. .THURSDAY NIGHT...East wind 5 to 10 knots becoming south after midnight. Partly cloudy. Waves 1 foot or less. .FRIDAY...Northeast wind 10 to 15 knots with gusts to around 20 knots. Partly sunny. Waves 1 to 3 feet. $$ Graphical marine forecasts are available online at: weather.gov/greatlakes WFO DLH