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Nearshore Marine Forecast

National Weather Service Marquette MI

341 AM EDT Thu May 2 2024



For waters within five nautical miles of shore



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.



LMZ221-248-250-020845-

Green Bay North of line from Cedar River MI to Rock Island

Passage-

Seul Choix Point to Point Detour MI-

5NM East of a line from Fairport MI to Rock Island Passage-

341 AM EDT Thu May 2 2024



.REST OF TONIGHT...Variable wind less than 10 knots. Partly

cloudy. Waves calm to 1 foot. 

.THURSDAY...Northeast wind less than 10 knots veering east by

late morning, then backing northeast 10 to 15 knots late. Mostly

cloudy. A slight chance of rain showers by late morning. A chance

of rain showers late. Waves building to 1 to 2 feet. 

.THURSDAY NIGHT...East wind 10 to 20 knots veering south after

midnight. Rain showers and a slight chance of thunderstorms.

Waves building to 2 to 3 feet. 

.FRIDAY...Southwest wind less than 10 knots backing south in the

afternoon. Mostly cloudy with a chance of showers and a slight

chance of thunderstorms in the morning, then mostly sunny in the

afternoon. Waves subsiding to 1 to 2 feet. 



$$



LSZ240-241-020845-

Saxon Harbor WI to Black River MI-

Black River to Ontonagon MI-

341 AM EDT Thu May 2 2024 /241 AM CDT Thu May 2 2024/



.REST OF TONIGHT...Variable wind less than 10 knots. Partly

cloudy. Waves calm to 1 foot. 

.THURSDAY...East wind less than 10 knots backing northeast 10 to

15 knots by late morning. Cloudy. A slight chance of rain showers

through mid morning, then a chance of rain showers by late

morning. Rain showers likely late. Waves building to 2 to 3 feet.

.THURSDAY NIGHT...East wind 10 to 15 knots veering southwest 5 to

15 knots after midnight. Rain showers and a slight chance of

thunderstorms. Waves building to 2 to 4 feet, then subsiding to

1 to 2 feet. 

.FRIDAY...Southwest wind 5 to 15 knots. Mostly sunny. Waves

building to 2 to 3 feet, then subsiding to 1 to 2 feet. 



$$



LSZ242-243-020845-

Ontonagon to Upper Entrance of Portage Canal MI-

Upper Entrance of Portage Canal to Eagle River MI-

341 AM EDT Thu May 2 2024



.REST OF TONIGHT...Southwest wind less than 10 knots. Partly

cloudy. Waves calm to 1 foot. 

.THURSDAY...East wind 5 to 15 knots. Cloudy. A chance of rain

showers by late morning. Rain showers likely late. Waves building

to 1 to 2 feet. 

.THURSDAY NIGHT...East wind 10 to 15 knots veering south after

midnight. Rain showers and a slight chance of thunderstorms.

Waves building to 2 to 3 feet, then subsiding to 1 to 2 feet. 

.FRIDAY...Southwest wind 5 to 15 knots with gusts up to 25 knots.

Partly cloudy with a slight chance of rain showers in the

morning, then sunny in the afternoon. Waves building to 2 to

3 feet, then subsiding to 1 to 2 feet. 



$$



LSZ244-245-020845-

Eagle River to Manitou Island MI-

Manitou Island to Point Isabelle MI-

341 AM EDT Thu May 2 2024



.REST OF TONIGHT...West wind less than 10 knots. Mostly cloudy.

Waves calm to 1 foot. 

.THURSDAY...Variable wind less than 10 knots becoming east 5 to

15 knots by late morning. Cloudy. A slight chance of rain showers

by late morning. Rain showers likely late. Waves calm to 1 foot. 

.THURSDAY NIGHT...East wind 10 to 20 knots veering south after

midnight. Rain showers. Waves building to 3 to 5 feet

occasionally to 7 feet, then subsiding to 2 to 4 feet. 

.FRIDAY...Southwest wind 10 to 15 knots with gusts up to

25 knots. Partly cloudy with a chance of rain showers in the

morning, then sunny in the afternoon. Waves subsiding to 1 to

2 feet. 



$$



LSZ246-020845-

Point Isabelle to Lower Entrance of Portage Canal MI-

341 AM EDT Thu May 2 2024



.REST OF TONIGHT...West wind less than 10 knots. Partly cloudy.

Waves calm to 1 foot. 

.THURSDAY...Variable wind less than 10 knots becoming east 5 to

15 knots by late morning. Cloudy. A chance of rain showers by

late morning. Waves building to 1 to 2 feet. 

.THURSDAY NIGHT...East wind 10 to 15 knots veering south 5 to

15 knots after midnight. Rain showers and a slight chance of

thunderstorms. Waves building to 2 to 4 feet, then subsiding to

2 to 3 feet. 

.FRIDAY...Southwest wind 5 to 15 knots with gusts up to 24 knots.

Partly cloudy with a slight chance of rain showers in the

morning, then sunny in the afternoon. Waves subsiding to 1 to

2 feet. 



$$



LSZ247-020845-

Lower Entrance of Portage Canal To Huron Islands MI Including

Keweenaw and Huron Bays-

341 AM EDT Thu May 2 2024



.REST OF TONIGHT...Southwest wind less than 10 knots. Partly

cloudy. Waves calm to 1 foot. 

.THURSDAY...Variable wind less than 10 knots becoming east 5 to

15 knots by late morning. Cloudy. A chance of rain showers by

late morning. Rain showers likely late. Waves building to 1 to

2 feet. 

.THURSDAY NIGHT...East wind 10 to 15 knots veering southwest 5 to

15 knots after midnight. Rain showers and a slight chance of

thunderstorms. Waves building to 2 to 3 feet. 

.FRIDAY...Southwest wind 5 to 15 knots. Partly cloudy with a

slight chance of rain showers in the morning, then sunny in the

afternoon. Waves subsiding to 1 to 2 feet. 



$$



LSZ248-020845-

Huron Islands to Marquette MI-

341 AM EDT Thu May 2 2024



.REST OF TONIGHT...West wind less than 10 knots. Partly cloudy.

Waves calm to 1 foot. 

.THURSDAY...Variable wind less than 10 knots becoming east less

than 10 knots by late morning. Mostly cloudy. A chance of rain

showers by late morning. Rain showers likely late. Waves building

to 1 to 2 feet. 

.THURSDAY NIGHT...East wind 10 to 15 knots veering south less

than 10 knots after midnight. Rain showers and a slight chance of

thunderstorms. Waves building to 2 to 3 feet. 

.FRIDAY...West wind 5 to 15 knots veering east less than 10 knots

in the afternoon. Partly cloudy with a slight chance of showers

and thunderstorms in the morning, then sunny in the afternoon.

Waves subsiding to 1 to 2 feet. 



$$



LSZ249-020845-

Marquette to Munising MI-

341 AM EDT Thu May 2 2024



.REST OF TONIGHT...Variable wind less than 10 knots. Mostly

cloudy. Waves 1 to 2 feet. 

.THURSDAY...Variable wind less than 10 knots becoming northeast

less than 10 knots by late morning. Mostly cloudy. A slight

chance of rain showers by late morning. Rain showers likely late.

Waves calm to 1 foot. 

.THURSDAY NIGHT...East wind 10 to 15 knots veering south 5 to

15 knots after midnight. Rain showers and a slight chance of

thunderstorms. Waves building to 2 to 3 feet, then subsiding to

1 to 2 feet. 

.FRIDAY...West wind less than 10 knots veering northeast in the

afternoon. Mostly cloudy with a chance of rain showers and a

slight chance of thunderstorms in the morning, then sunny in the

afternoon. Waves calm to 1 foot. 



$$



LSZ250-020845-

Munising to Grand Marais MI-

341 AM EDT Thu May 2 2024



.REST OF TONIGHT...West wind less than 10 knots. Mostly cloudy.

Waves 1 to 2 feet. 

.THURSDAY...Variable wind less than 10 knots becoming northeast

less than 10 knots by late morning. Cloudy. A slight chance of

rain showers by late morning. Rain showers likely late. Waves

1 to 2 feet. 

.THURSDAY NIGHT...East wind 10 to 15 knots veering south 10 to

20 knots after midnight. Rain showers likely in the evening, then

rain showers and a slight chance of thunderstorms after midnight.

Waves building to 2 to 3 feet, then subsiding to 1 to 2 feet. 

.FRIDAY...Southwest wind less than 10 knots veering northeast in

the afternoon. Mostly cloudy with a chance of rain showers and a

slight chance of thunderstorms in the morning, then mostly sunny

in the afternoon. Waves calm to 1 foot. 



$$



LSZ251-020845-

Grand Marais to Whitefish Point MI-

341 AM EDT Thu May 2 2024



.REST OF TONIGHT...West wind less than 10 knots. Mostly cloudy.

Waves 2 to 3 feet subsiding to 1 to 2 feet. 

.THURSDAY...Northwest wind less than 10 knots veering northeast

by late morning. Mostly cloudy. A chance of rain showers late.

Waves 1 to 2 feet. 

.THURSDAY NIGHT...East wind 10 to 20 knots veering southeast

after midnight. Rain showers likely in the evening, then rain

showers likely and a slight chance of thunderstorms after

midnight. Waves building to 2 to 4 feet, then subsiding to 2 to

3 feet. 

.FRIDAY...Southwest wind 5 to 15 knots veering northeast less

than 10 knots in the afternoon. Cloudy with rain showers likely

and a slight chance of thunderstorms in the morning, then partly

cloudy in the afternoon. Waves subsiding to 1 to 2 feet. 



$$



WFO MQT