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National Weather Service Marine Forecast FZUS63 KMQT

FZUS63 KMQT 191354
GLFLS

Open Lake Forecast for Lake Superior
National Weather Service Marquette MI
954 AM EDT Tue Jun 19 2018

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
A 30.1 inch ridge will remain across the upper Great
Lakes today. A 29.9 inch trough will move across the upper Great
Lakes tonight and Wednesday. A 30.0 inch ridge will move back into
the upper Great Lakes Wednesday night and will remain stationary
into Friday. A 29.8 inch trough will move into the upper Great
Lakes Friday evening with a 29.6 inch low pressure system moving
into Lower Michigan on Saturday.

LSZ162-192200-
Lake Superior west of a line from Saxon Harbor WI to Grand
Portage MN beyond 5NM-
954 AM EDT Tue Jun 19 2018 /854 AM CDT Tue Jun 19 2018/

REST OF TODAY
East winds less than 10 knots backing northeast
in the afternoon. Waves calm to 2 feet.

TONIGHT
Southwest winds less than 10 knots veering west after
midnight, then becoming southwest 5 to 15 knots late. Waves calm
to 2 feet.

WEDNESDAY
Southwest winds less than 10 knots becoming east
5 to 15 knots in the afternoon, then backing northeast late.
Waves calm to 2 feet.

WEDNESDAY NIGHT
Northeast winds 5 to 15 knots diminishing to
less than 10 knots after midnight. Waves calm to 2 feet.

THURSDAY
Northeast winds less than 10 knots veering east by
mid afternoon. Waves calm to 2 feet.

THURSDAY NIGHT
Southwest winds less than 10 knots. Waves calm
to 2 feet.

FRIDAY
South winds less than 10 knots veering west. Waves calm
to 2 feet.

SATURDAY
West winds less than 10 knots becoming northeast 5 to
15 knots. Waves calm to 2 feet.



LSZ263-192200-
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-
954 AM EDT Tue Jun 19 2018

REST OF TODAY
East winds less than 10 knots backing northeast
in the afternoon, then increasing to 5 to 15 knots late. Waves
calm to 2 feet.

TONIGHT
Southwest winds less than 10 knots increasing to 5 to
15 knots after midnight. Waves calm to 2 feet.

WEDNESDAY
Southwest winds 5 to 15 knots backing northeast in
the afternoon. Waves calm to 2 feet.

WEDNESDAY NIGHT
Northeast winds 5 to 15 knots diminishing to
less than 10 knots after midnight. Waves calm to 2 feet.

THURSDAY
East winds less than 10 knots becoming northeast 5 to
15 knots by mid afternoon. Waves calm to 2 feet.

THURSDAY NIGHT
South winds 5 to 15 knots veering southwest
after midnight. Waves calm to 2 feet.

FRIDAY
Southwest winds less than 10 knots backing southeast.
Waves calm to 2 feet.

SATURDAY
Northwest winds less than 10 knots becoming northeast
5 to 15 knots. Waves calm to 2 feet.



LSZ264-192200-
Lake Superior from Upper Entrance to Portage Canal to Manitou
Island MI 5NM off shore to the US/Canadian Border-
954 AM EDT Tue Jun 19 2018

REST OF TODAY
Southeast winds 5 to 15 knots veering south in
the afternoon. Waves calm to 2 feet.

TONIGHT
South winds 5 to 15 knots veering southwest after
midnight. Waves calm to 2 feet.

WEDNESDAY
West winds 5 to 15 knots becoming northeast 10 to
20 knots in the afternoon, then diminishing to 5 to 15 knots
late. Waves calm to 2 feet.

WEDNESDAY NIGHT
Northeast winds 5 to 15 knots veering east
after midnight. Waves calm to 2 feet.

THURSDAY
Southeast winds 5 to 15 knots veering south by mid
afternoon. Waves calm to 2 feet.

THURSDAY NIGHT
South winds 5 to 15 knots veering southwest
after midnight. Waves calm to 2 feet.

FRIDAY
South winds 5 to 15 knots. Waves calm to 2 feet.

SATURDAY
Southeast winds 5 to 15 knots backing northeast.
Waves building to 1 to 3 feet.



LSZ265-192200-
Lake Superior West of Line from Manitou Island to Marquette MI
Beyond 5NM from shore-
954 AM EDT Tue Jun 19 2018

REST OF TODAY
East winds 5 to 15 knots. Waves calm to 2 feet.

TONIGHT
South winds 5 to 15 knots veering southwest late.
Waves calm to 2 feet.

WEDNESDAY
Southwest winds 5 to 15 knots backing northeast in
the afternoon. Waves calm to 2 feet.

WEDNESDAY NIGHT
North winds 5 to 15 knots veering east after
midnight. Waves calm to 2 feet.

THURSDAY
East winds 5 to 15 knots. Waves calm to 2 feet.

THURSDAY NIGHT
South winds 5 to 15 knots. Waves calm to
2 feet.

FRIDAY
Southeast winds 5 to 15 knots veering south. Waves calm
to 2 feet.

SATURDAY
East winds 5 to 15 knots backing northeast. Waves
calm to 2 feet.



LSZ266-192200-
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-
954 AM EDT Tue Jun 19 2018

REST OF TODAY
East winds 5 to 15 knots becoming northeast less
than 10 knots in the afternoon. Waves calm to 2 feet.

TONIGHT
South winds less than 10 knots becoming southwest 5 to
15 knots after midnight. Waves calm to 2 feet.

WEDNESDAY
West winds 5 to 15 knots veering north in the
afternoon. Waves calm to 2 feet.

WEDNESDAY NIGHT
North winds 5 to 15 knots veering east after
midnight. Waves calm to 2 feet.

THURSDAY
East winds 5 to 15 knots. Waves calm to 2 feet.

THURSDAY NIGHT
South winds 5 to 15 knots. Waves calm to
2 feet.

FRIDAY
Southeast winds 5 to 15 knots. Waves calm to 2 feet.

SATURDAY
Southeast winds 5 to 15 knots backing north. Waves
building to 1 to 3 feet.



LSZ267-192200-
Lake Superior from Grand Marais MI to Whitefish Point MI 5NM off
shore to the US/Canadian border-
954 AM EDT Tue Jun 19 2018

REST OF TODAY
East winds less than 10 knots backing northeast
in the afternoon, then becoming north 5 to 15 knots late. Waves
calm to 2 feet.

TONIGHT
North winds less than 10 knots backing southwest after
midnight, then becoming west 5 to 15 knots late. Waves calm to
2 feet.

WEDNESDAY
East winds 5 to 15 knots backing northwest in the
afternoon, then increasing to 10 to 20 knots late. Waves calm to
2 feet.

WEDNESDAY NIGHT
North winds 10 to 20 knots becoming east 5 to
15 knots after midnight. Waves calm to 2 feet.

THURSDAY
East winds 5 to 15 knots backing northeast by mid
afternoon. Waves calm to 2 feet.

THURSDAY NIGHT
Southeast winds 5 to 15 knots veering south
after midnight. Waves calm to 2 feet.

FRIDAY
Southeast winds 5 to 15 knots increasing to 10 to
20 knots. Waves calm to 2 feet.

SATURDAY
East winds 5 to 15 knots becoming north 10 to
20 knots. Waves calm to 2 feet.



LSZ261-192200-
MAFOR 1915/
Superior West 11200 12100 11800 14500. Waves 1 foot or less.

Superior North Central 12300 12400 12500 11510 11600. Waves 1
foot or less.

Superior South Central 13200 11300 11400 11500 12600. Waves 1
foot or less.

Superior East 11200 11100 11800 11700 13500 11200. Waves 1 foot
or less.



JSS

Experimental modernized open lake forecast is available online at
weather.gov/mqt/glftable

Graphical marine forecasts are available online at:
weather.gov/greatlakes