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Mt. Washington, NH
(windiest place in U.S.)
FZUS63 KMQT 161452
Open Lake Forecast for Lake Superior
National Weather Service Marquette MI
952 AM EST Tue Jan 16 2018
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 30.2 inch low over the eastern Great Lakes will
lift northeast while filling to 30.4 inches this afternoon.
Tonight through Wednesday night, Lake Superior will be between a
29.6 inch low pressure over far southern Hudson Bay and a 30.7
inch high pressure over the Middle Mississippi Valley. A 29.8 inch
trough will then drift from northern Ontario to the Upper Great
Lakes Thursday into Friday. A 29.3 inch low pressure will then
develop across southern Manitoba Friday afternoon and track
eastward to central Quebec by Saturday evening.
Lake Superior west of a line from Saxon Harbor WI to Grand
Portage MN beyond 5NM-
952 AM EST Tue Jan 16 2018 /852 AM CST Tue Jan 16 2018/
Gale Warning - IN EFFECT FROM THIS EVENING THROUGH LATE
...HEAVY FREEZING SPRAY WARNING IN EFFECT FROM THIS EVENING
THROUGH WEDNESDAY MORNING...
Rest of Today - North winds 5 to 15 knots backing northwest by
late morning, then becoming west 15 to 25 knots by mid afternoon.
Isolated snow showers late in the morning. Waves 3 to 5 feet
occasionally to 7 feet subsiding to 2 to 4 feet.
Tonight - West winds 20 to 30 knots becoming southwest gales to
35 knots. Heavy freezing spray after midnight. Waves building to
8 to 11 feet occasionally to 14 feet.
.WEDNESDAY...Southwest gales to 35 knots. Heavy freezing spray in
the morning. Waves subsiding to 6 to 9 feet occasionally to 11
.WEDNESDAY NIGHT...West winds 20 to 30 knots diminishing to 15 to
25 knots after midnight. Waves subsiding to 2 to 4 feet.
.THURSDAY...West winds 10 to 20 knots. Waves subsiding to 1 to
.THURSDAY NIGHT...West winds 5 to 15 knots backing southwest
after midnight. Waves subsiding to calm to 2 feet.
.FRIDAY...Southwest winds 10 to 20 knots veering west. Waves
building to 1 to 3 feet, then subsiding to calm to 2 feet.
.SATURDAY...West winds 10 to 20 knots becoming north 5 to
15 knots. Waves calm to 2 feet.
Note, wave height forecasts are for ice free areas.