####018005852####
FZUS61 KCLE 271351

GLFLE 



Open Lake Forecast for Lake Erie

National Weather Service Cleveland OH

951 AM EDT Sat Apr 27 2024



For waters beyond five nautical miles of shore on Lake Erie



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.



.SYNOPSIS...

A warm front will move north across the lake today. High pressure

30.40 inches will strengthen over the East Coast and return to the

region behind warm front for the remainder of the weekend. A cold

front will cross the lake Monday night into Tuesday. Weak high

pressure 30.00 inches will return behind the front for Tuesday. A

trough averaging 29.80 inches will approach the lake for

Wednesday.



LEZ162>164-272015-

Detroit River Lt. to Maumee Bay OH to Reno Beach OH beyond 5NM

offshoreline to US-Canadian border-

Reno Beach to The Islands OH beyond 5NM off shoreline to US-

Canadian border-

The Islands to Vermilion OH beyond 5 nm off shoreline to US-

Canadian border-

951 AM EDT Sat Apr 27 2024



.REST OF TODAY...South winds 15 to 20 knots becoming southwest.

Showers likely with a chance of thunderstorms late this morning,

then a chance of showers with a slight chance of thunderstorms

early this afternoon. A slight chance of showers and

thunderstorms late. Waves 2 to 4 feet subsiding to 1 to 3 feet. 

.TONIGHT...Southwest winds 15 to 20 knots diminishing to 10 to

15 knots. A slight chance of showers and thunderstorms. A chance

of showers with a slight chance of thunderstorms late. Waves 1 to

3 feet. 

.SUNDAY...Southwest winds 5 to 15 knots. A chance of showers and

thunderstorms. Waves 2 feet or less. 

.SUNDAY NIGHT...South winds 5 to 10 knots. A chance of showers

and thunderstorms in the evening. Waves 1 foot or less. 

.MONDAY...South winds around 10 knots becoming southwest. A

chance of showers during the day, then showers with a chance of

thunderstorms Monday night. Waves 2 feet or less. 

.TUESDAY...West winds 5 to 10 knots becoming southwest. A chance

of showers during the day. Waves 1 foot or less. 

.WEDNESDAY...South winds 5 to 10 knots. A chance of showers

Wednesday night. Waves 1 foot or less. 



Winds and waves higher in and near thunderstorms.



$$



LEZ165>167-272015-

Vermilion to Avon Point OH beyond 5 nm off shoreline to US-

Canadian border-

Avon Point to Willowick OH beyond 5 nm off shoreline to US-

Canadian border-Willowick to Geneva-on-the-

Lake OH beyond 5NM off shoreline to US-Canadian border-

951 AM EDT Sat Apr 27 2024



.REST OF TODAY...South winds 15 to 20 knots. A chance of showers

and thunderstorms late this morning, then a slight chance of

showers and thunderstorms this afternoon. Waves 2 to 4 feet. 

.TONIGHT...South winds 15 to 20 knots becoming southwest 10 to

15 knots. A slight chance of showers and thunderstorms. A chance

of showers with a slight chance of thunderstorms late. Waves 2 to

4 feet. 

.SUNDAY...Southwest winds 5 to 15 knots. A chance of showers and

thunderstorms. Waves 1 to 3 feet. 

.SUNDAY NIGHT...South winds 5 to 10 knots. A chance of showers

and thunderstorms in the evening. Waves 1 to 2 feet. 

.MONDAY...South winds 5 to 10 knots becoming southwest. A chance

of showers during the day, then showers with a chance of

thunderstorms Monday night. Waves 2 feet or less. 

.TUESDAY...Southwest winds 5 to 10 knots. A chance of showers

during the day. Waves 2 feet or less. 

.WEDNESDAY...South winds 5 to 10 knots. Waves 1 foot or less. 



Winds and waves higher in and near thunderstorms.



$$



LEZ061-168-169-272015-

Ripley to Buffalo NY extending from 5NM off shoreline to US-

Canadian border-Geneva-on-the-

Lake to Conneaut OH beyond 5 nm off shoreline to US-

Canadian border-

Conneaut OH to Ripley NY beyond 5 nm off shoreline to US-

Canadian border-

951 AM EDT Sat Apr 27 2024



.REST OF TODAY...South winds 15 to 20 knots. Showers with a

slight chance of thunderstorms late this morning, then a chance

of showers with a slight chance of thunderstorms this afternoon.

Waves 2 to 4 feet. 

.TONIGHT...South winds 15 to 20 knots becoming southwest 10 to

15 knots. A slight chance of showers and thunderstorms through

the early overnight, then a chance of showers with a slight

chance of thunderstorms late. Waves 2 to 3 feet. 

.SUNDAY...Southwest winds 10 to 15 knots. A chance of showers and

thunderstorms. Waves 2 to 3 feet. 

.SUNDAY NIGHT...Southwest winds 5 to 10 knots becoming east. A

chance of showers and thunderstorms in the evening. Waves 1 to

3 feet. 

.MONDAY...East winds 5 to 10 knots becoming south. Showers likely

with a chance of thunderstorms Monday night. Waves 2 feet or

less. 

.TUESDAY...Southwest winds 5 to 10 knots. Showers during the day.

Waves 2 feet or less. 

.WEDNESDAY...South winds 5 to 10 knots. Waves 2 feet or less. 



Winds and waves higher in and near thunderstorms.



$$



LEZ161-272015-

MAFOR 2715/

ERIE WEST 1/3 11420 15510 11510. A chance of showers overnight. A

chance of showers and thunderstorms Sunday morning. Waves 2 to 4

feet subsiding to 1 to 3 feet this afternoon and tonight. Waves 1

to 3 feet Sunday morning. 



ERIE CENTRAL 1/3 11420 14410 13510. A chance of showers late this

morning and overnight. A chance of showers and thunderstorms

Sunday morning. Waves 2 to 4 feet this afternoon. Waves 2 to 4

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

morning. 



ERIE EAST 1/3 14420 12410 12510. A chance of showers this

afternoon. A chance of showers and thunderstorms Sunday morning.

Waves 2 to 4 feet this afternoon. Waves 1 to 3 feet tonight and

Sunday morning. 



$$

####018012259####
FZUS63 KMQT 271353

GLFLS 



Open Lake Forecast for Lake Superior

National Weather Service Marquette MI

953 AM EDT Sat Apr 27 2024



For waters beyond 5 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.



.SYNOPSIS...Low pressure of 29.5 inches over northwest Wisconsin 

will weaken to 29.6 inches as it tracks northeast, crossing 

western Lake Superior today and exiting northern Lake Superior by 

evening. During tonight and Sunday, 30.4 inch high pressure will 

build over northern Ontario as a 29.6 inch low pressure slowly 

lifts northeast across the Central Plains. This low will continue 

to track northeast, crossing western Lake Superior late in the day

on Monday at 29.7 inches. As the low moves over northern Ontario 

Monday night, a weak 29.9 inch ridge will shift east across the 

Mississippi Valley. On Tuesday, the ridge will move toward the 

Appalachians as the next low pressure of 29.6 inches tracks from 

the Dakotas to northern Minnesota. This low will pass just north 

of Lake Superior on Wednesday. In its wake, a 29.9 inch ridge will

shift east to the western Great Lakes by Wednesday evening. 



LSZ162-272200-

Lake Superior west of a line from Saxon Harbor WI to Grand

Portage MN beyond 5NM-

953 AM EDT Sat Apr 27 2024 /853 AM CDT Sat Apr 27 2024/



...GALE WATCH IN EFFECT FROM SUNDAY MORNING THROUGH MONDAY

MORNING...



.REST OF TODAY...Northeast winds 15 to 25 knots diminishing to

10 to 20 knots in the afternoon, then backing west late. Scattered 

rain showers becoming isolated by mid afternoon. An isolated

thunderstorm is possible. Waves 3 to 6 feet occasionally to 8 

feet subsiding to 1 to 3 feet.

.TONIGHT...Northwest winds 10 to 20 knots veering north after

midnight, then becoming northeast 15 to 25 knots late. A slight

chance of rain showers through midnight. Waves subsiding to calm

to 2 feet, then building to 3 to 5 feet occasionally to 7 feet. 

.SUNDAY...Northeast gales to 35 knots becoming east gales to

40 knots in the afternoon, then backing northeast late. A chance

of rain showers. Waves building to 10 to 14 feet occasionally to

18 feet. 

.SUNDAY NIGHT...East gales to 40 knots. Rain showers. Waves 10 to

14 feet occasionally to 18 feet. 

.MONDAY...Northeast gales to 35 knots diminishing to 20 to

30 knots by mid afternoon. Rain showers likely. Waves subsiding

to 4 to 7 feet occasionally to 9 feet. 

.MONDAY NIGHT...West winds 10 to 20 knots. Waves subsiding to

1 to 3 feet. 

.TUESDAY...Southwest winds 10 to 20 knots backing east. Rain

showers likely. Waves subsiding to calm to 2 feet, then building

to 1 to 3 feet. 

.WEDNESDAY...West winds 15 to 25 knots diminishing to 10 to

20 knots. Waves building to 2 to 4 feet, then subsiding to calm

to 2 feet. 



$$



LSZ263-272200-

Lake Superior from Saxon Harbor WI to Upper Entrance to Portage

Canal MI 5NM off shore to the US/Canadian border including Isle

Royale National Park-

953 AM EDT Sat Apr 27 2024



...GALE WATCH IN EFFECT FROM SUNDAY AFTERNOON THROUGH MONDAY

AFTERNOON...



.REST OF TODAY...Northeast winds 10 to 20 knots becoming north 

in the afternoon, then backing west late. Scattered rain showers 

and isolated thunderstorms. Waves 4 to 7 feet occasionally to 9 

feet subsiding to 2 to 4 feet. 

.TONIGHT...Northwest winds 15 to 25 knots veering northeast late.

A slight chance of rain showers through midnight. Waves subsiding

to 1 to 3 feet, then building to 3 to 6 feet occasionally to

8 feet. 

.SUNDAY...Northeast winds 15 to 25 knots increasing to gales to

35 knots. A chance of rain showers by mid afternoon. Waves

building to 8 to 11 feet occasionally to 14 feet. 

.SUNDAY NIGHT...East gales to 40 knots. Rain showers. Waves 7 to 

10 feet occasionally to 13 feet building to 10 to 14 feet 

occasionally to 18 feet. 

.MONDAY...East gales to 35 knots diminishing to 20 to 30 knots by

mid afternoon. Rain showers likely. Waves subsiding to 6 to

9 feet occasionally to 11 feet. 

.MONDAY NIGHT...Southwest winds 10 to 20 knots. Waves subsiding

to 2 to 4 feet. 

.TUESDAY...West winds 5 to 15 knots becoming southeast 10 to

20 knots. Rain showers likely. Waves subsiding to calm to 2 feet,

then building to 1 to 3 feet. 

.WEDNESDAY...Southwest winds 15 to 25 knots becoming west 10 to

20 knots. Waves building to 2 to 4 feet, then subsiding to 1 to

3 feet. 



$$



LSZ264-272200-

Lake Superior from Upper Entrance to Portage Canal to Manitou

Island MI 5NM off shore to the US/Canadian Border-

953 AM EDT Sat Apr 27 2024



...GALE WATCH IN EFFECT FROM SUNDAY EVENING THROUGH MONDAY

AFTERNOON...



.REST OF TODAY...East winds 15 to 25 knots becoming south 10 to 

20 knots in the afternoon, then veering west late. Scattered rain 

showers and isolated thunderstorms. Waves 5 to 8 feet occasionally

to 10 feet subsiding to 3 to 5 feet occasionally to 7 feet. 

.TONIGHT...Northwest winds 20 to 30 knots becoming north 15 to

25 knots after midnight. A slight chance of rain showers through

midnight. Waves building to 4 to 7 feet occasionally to 9 feet,

then subsiding to 3 to 6 feet occasionally to 8 feet. 

.SUNDAY...Northeast winds 15 to 25 knots increasing to 20 to

30 knots late. Rain showers likely by mid afternoon. Waves

building to 4 to 7 feet occasionally to 9 feet, then subsiding to

3 to 6 feet occasionally to 8 feet. 

.SUNDAY NIGHT...East gales to 40 knots. Rain showers. Waves

building to 10 to 14 feet occasionally to 18 feet. 

.MONDAY...East gales to 35 knots diminishing to 20 to 30 knots by

mid afternoon. Rain showers. Waves subsiding to 6 to 9 feet

occasionally to 11 feet. 

.MONDAY NIGHT...South winds 15 to 25 knots becoming southwest

10 to 20 knots after midnight. Waves subsiding to 2 to 4 feet. 

.TUESDAY...Southwest winds 5 to 15 knots becoming southeast 10 to

20 knots. A chance of rain showers. Waves subsiding to calm to

2 feet, then building to 1 to 3 feet. 

.WEDNESDAY...Southwest winds 15 to 25 knots becoming west 10 to

20 knots. Waves building to 2 to 4 feet, then subsiding to 1 to

3 feet. 



$$



LSZ265-272200-

Lake Superior West of Line from Manitou Island to Marquette MI

Beyond 5NM from shore-

953 AM EDT Sat Apr 27 2024



...GALE WATCH IN EFFECT FROM SUNDAY EVENING THROUGH MONDAY

AFTERNOON...



.REST OF TODAY...Southeast winds 15 to 25 knots veering south in

the afternoon, then becoming west 20 to 30 knots late. Scattered

showers and isolated thunderstorms. Waves 3 to 6 feet

occasionally to 8 feet subsiding to 2 to 4 feet. 

.TONIGHT...West winds 15 to 25 knots veering north late. A slight

chance of rain showers through midnight. Waves building to 3 to

6 feet occasionally to 8 feet. 

.SUNDAY...Northeast winds 15 to 25 knots. A chance of rain

showers by mid afternoon. Waves building to 4 to 7 feet

occasionally to 9 feet, then subsiding to 3 to 5 feet

occasionally to 7 feet. 

.SUNDAY NIGHT...East gales to 35 knots. Rain showers. Waves

building to 7 to 10 feet occasionally to 13 feet. 

.MONDAY...East gales to 35 knots diminishing to 15 to 25 knots by

mid afternoon. Rain showers likely through early afternoon, then

a chance of rain showers by mid afternoon. Waves subsiding to

3 to 6 feet occasionally to 8 feet. 

.MONDAY NIGHT...South winds 10 to 20 knots veering southwest

after midnight. Waves subsiding to calm to 2 feet. 

.TUESDAY...West winds 10 to 20 knots backing southeast. A chance

of rain showers. Waves calm to 2 feet. 

.WEDNESDAY...West winds 15 to 25 knots. Waves building to 1 to

3 feet, then subsiding to calm to 2 feet. 



$$



LSZ266-272200-

Lake Superior East of a line from Manitou Island to Marquette MI

and West of a line from Grand Marais MI to the US/Canadian Border

Beyond 5NM from shore-

953 AM EDT Sat Apr 27 2024



...GALE WATCH IN EFFECT FROM SUNDAY EVENING THROUGH MONDAY

AFTERNOON...



.REST OF TODAY...Southeast winds 20 to 30 knots veering south in

the afternoon, then becoming southwest 15 to 25 knots late.

Scattered rain showers and isolated thunderstorms. Waves 6 to

9 feet occasionally to 11 feet subsiding to 3 to 5 feet

occasionally to 7 feet. 

.TONIGHT...West winds 15 to 25 knots veering northwest after

midnight, then becoming north 20 to 30 knots late. A few gale

force gusts to 35 knots possible early this evening. A slight 

chance of rain showers through midnight. Waves building to 4 to 7 

feet occasionally to 9 feet. 

.SUNDAY...Northeast winds 15 to 25 knots. A chance of rain

showers by mid afternoon. Waves subsiding to 3 to 6 feet

occasionally to 8 feet. 

.SUNDAY NIGHT...East gales to 35 knots. Rain showers. Waves

building to 8 to 11 feet occasionally to 14 feet. 

.MONDAY...East gales to 35 knots becoming southeast 20 to

30 knots by mid afternoon. Rain showers. Waves subsiding to 5 to

8 feet occasionally to 10 feet. 

.MONDAY NIGHT...South winds 15 to 25 knots becoming southwest

10 to 20 knots after midnight. A chance of rain showers through

midnight. Waves subsiding to 2 to 4 feet. 

.TUESDAY...West winds 10 to 20 knots backing southeast. A chance

of rain showers. Waves subsiding to calm to 2 feet, then building

to 1 to 3 feet. 

.WEDNESDAY...Southwest winds 15 to 25 knots veering west. Waves

building to 2 to 4 feet, then subsiding to 1 to 3 feet. 



$$



LSZ267-272200-

Lake Superior from Grand Marais MI to Whitefish Point MI 5NM off

shore to the US/Canadian border-

953 AM EDT Sat Apr 27 2024



.REST OF TODAY...Southeast winds 20 to 30 knots veering south

late. Scattered rain showers and isolated thunderstorms. Waves

6 to 9 feet occasionally to 11 feet subsiding to 3 to 5 feet

occasionally to 7 feet. 

.TONIGHT...West winds 15 to 25 knots veering north late. A few

gale force gusts to 35 knots possible early this evening. A 

slight chance of rain showers through midnight. Waves building to 

4 to 7 feet occasionally to 9 feet, then subsiding to 3 to 6 feet 

occasionally to 8 feet. 

.SUNDAY...North winds 15 to 25 knots veering northeast in the

afternoon. Rain showers likely by mid afternoon. Waves subsiding

to 2 to 4 feet. 

.SUNDAY NIGHT...East winds 15 to 25 knots increasing to 20 to

30 knots after midnight. Rain showers. Waves building to 4 to

7 feet occasionally to 9 feet. 

.MONDAY...East gales to 35 knots becoming southeast 20 to

30 knots by mid afternoon. Rain showers. Waves building to 5 to

8 feet occasionally to 10 feet, then subsiding to 3 to 6 feet

occasionally to 8 feet. 

.MONDAY NIGHT...Southeast winds 15 to 25 knots becoming south

10 to 20 knots after midnight. A chance of rain showers through

midnight. Waves subsiding to calm to 2 feet. 

.TUESDAY...West winds 10 to 20 knots backing southeast. A chance

of rain showers. Waves building to 1 to 3 feet. 

.WEDNESDAY...Southwest winds 15 to 25 knots veering west. A

chance of rain showers. Waves 1 to 3 feet. 



$$

LSZ261-272200-

MAFOR 2715/

Superior West 11130 19136 11710 19716 11620 11710 11820 12130

11140. Waves 3 to 5 feet subsiding to 2 to 3 feet this afternoon.

Waves 2 to 4 feet tonight. Waves 3 to 5 feet building to 4 to 7

feet Sunday morning. 



Superior North Central 11330 19336 11426 11630 19636 11730 12840

11830 11130. Waves 5 to 8 feet. 



Superior South Central 11430 11420 19426 11640 19656 11640 11730 

12830 11130. Waves 3 to 6 feet this afternoon. Waves 3 to 6 feet 

building to 4 to 7 feet tonight. Waves 4 to 7 feet Sunday morning.



Superior East 11340 19346 11430 19436 11540 19546 11640 19650 11630

11730 11830 11130. Waves 5 to 9 feet subsiding to 4 to 7 feet 

this afternoon. Waves 3 to 5 feet building to 4 to 7 feet tonight.

Waves 4 to 7 feet Sunday morning. 



$$



Voss



Experimental modernized open lake forecast is available online at

weather.gov/mqt/glftable



Graphical marine forecasts are available online at:

weather.gov/greatlakes