560
FNUS73 KMQT 181153
FWSMQT
SPOT FORECAST FOR MARQUETTE WX...COAST GUARD
NATIONAL WEATHER SERVICE MARQUETTE MI
753 AM EDT MON MAY 18 2026
FORECAST IS BASED ON FORECAST START TIME OF 0800 EDT ON MAY 18.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.
DISCUSSION
LIGHT RAIN SHOWERS WILL MOVE THROUGH THE AREA THIS MORNING WITH
DRY WEATHER EXPECTED FOR THE EARLY AFTERNOON. SOUTH-SOUTHEAST
WINDS THIS MORNING WILL TURN NORTH BETWEEN 1100 AND 1200 EDT AS
A LAKE BREEZE DEVELOPS. OVERALL WINDS FALL BELOW 15 KTS ACROSS
THE ENTIRE LAKE TODAY; WAVE HEIGHTS WILL BE DECREASING THROUGH
THE DAY DESPITE THE WIND SHIFT TO THE NORTH. AN ISOLATED SHOWER
CANNOT BE RULED OUT BY LATE AFTERNOON BUT THE CHANCE FOR SHOWERS
AND THUNDERSTORMS WILL INCREASE THIS EVENING AND INTO THE OVERNIGHT
HOURS. A FEW OF THE STORMS COULD BE SEVERE WITH LARGE HAIL AND
STRONG WINDS. THERE IS ALSO THE POTENTIAL FOR DENSE FOG AT
TIMES (40% CHANCE THIS AFTERNOON, 80% TONIGHT), PARTICULARY WITH
THE WIND SHIFT TO THE NORTH AND TONIGHT WHEN RAIN BECOMES MORE
WIDESPREAD.
FOR ENROUTE AND AREAL FORECASTS PLEASE CONTACT MARQUETTE MI.
REST OF TODAY
SKY/WEATHER.........MOSTLY CLOUDY (75-85 PERCENT). PATCHY FOG EARLY
IN THE MORNING. PATCHY FOG LATE IN THE
AFTERNOON. CHANCE OF RAIN SHOWERS LATE IN THE
MORNING. SLIGHT CHANCE OF RAIN SHOWERS.
CHANCE OF PCPN......40 PERCENT.
CHANCE OF THUNDER...14 PERCENT.
TEMPERATURE.........54 AT FORECAST START...MAX 63.
SURFACE WINDS.......SOUTH-SOUTHEAST WINDS 10 TO 13 KNOTS SHIFTING TO THE
NORTHWEST 11 TO 12 KNOTS LATE IN THE AFTERNOON.
CEILING (KFT).......0.4 INCREASING TO 1.0 LATE IN THE MORNING, THEN
INCREASING TO 2.3 EARLY IN THE AFTERNOON, THEN
DECREASING TO 0.9 LATE IN THE AFTERNOON.
VISIBILITY (SM).....6 DECREASING TO 4. EXCEPT BELOW 1 MILE IN PATCHY
FOG (40% CHANCE)
WAVE HEIGHT.........WAVES CALM TO 2 FEET.
WAVE PERIOD.........6 SECONDS.
FREEZING SPRAY......NONE.
LAKE SURFACE TEMP...37 DEGREES FAHRENHEIT.
WAVE DIRECTION......46 TO 70.
TIME (EDT) 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........87 81 77 77 76 70 81 75 85 80
WEATHER COV.....PTY PTY CHC CHC SCH SCH SCH CHC
WEATHER TYPE....FOG FOG RW RW RW RW RNF RW
TSTM COV........
CHC OF PCPN (%).0 0 40 30 0 0 20 20 20 40
CHC OF THDR (%).0 0 10 10 0 0 10 10 10 10
TEMP............54 55 57 59 60 60 60 57 54 51
CEILING (KFT)...0.4 1.0 1.4 1.6 2.3 2.3 1.5 0.9 0.7 0.6
VISIBILITY (SM).6 7 8 8 8 7 6 4 5 4
SURFACE WND DIR.S S S S S S S NW NW NW
SURFACE WND SPD.13 12 12 12 11 11 11 12 12 12
SURFACE WND GST.18 18 18 18 16 16 16 16 16 16
WAVE DIRECTION..070 070 070 070 070 070 070 050 050 050
WAVE PERIOD (S).6 5 5 5 5 5 5 5 5 5
WAVE HEIGHT (FT)2 2 2 2 2 1 1 1 1 2
FREEZING SPRAY..
TONIGHT
SKY/WEATHER.........CLOUDY (85-95 PERCENT). PATCHY FOG THROUGH THE
NIGHT. CHANCE OF RAIN SHOWERS AND SLIGHT CHANCE
OF THUNDERSTORMS IN THE EVENING. RAIN SHOWERS
LIKELY AND CHANCE OF THUNDERSTORMS OVERNIGHT.
CHANCE OF PCPN......70 PERCENT.
CHANCE OF THUNDER...34 PERCENT.
TEMPERATURE.........MIN 43.
SURFACE WINDS.......NORTH WINDS 5 TO 11 KNOTS SHIFTING TO THE SOUTH
5 TO 7 KNOTS AFTER 3 AM.
CEILING (KFT).......0.7 DECREASING TO 0.4 EARLY IN THE EVENING,
THEN DECREASING TO 0.2 IN THE LATE EVENING AND
OVERNIGHT INCREASING TO 0.3.
VISIBILITY (SM).....4 DECREASING TO 2.5 LATE IN THE EVENING, THEN
DECREASING TO 1.5 LATE IN THE EVENING, THEN
DECREASING TO 1.0 OVERNIGHT, THEN RISING TO
2.0 BY MORNING.
WAVE HEIGHT.........WAVES CALM TO 2 FEET.
WAVE PERIOD.........6 SECONDS.
FREEZING SPRAY......NONE.
LAKE SURFACE TEMP...37 DEGREES FAHRENHEIT.
WAVE DIRECTION......7.
TIME (EDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
SKY (%).........86 88 92 94 94 94 94 93 92 92 92 92
WEATHER COV.....CHC CHC CHC CHC CHC CHC CHC CHC CHC CHC LKY LKY
WEATHER TYPE....RW RW RW RW RW RW RW RW RW RW RW RW
TSTM COV........ SCH SCH SCH SCH SCH SCH SCH SCH SCH CHC
CHC OF PCPN (%).40 50 40 40 40 40 50 40 50 50 70 60
CHC OF THDR (%).10 10 20 20 20 20 20 20 20 20 20 30
TEMP............51 49 47 47 47 47 47 47 46 46 46 44
CEILING (KFT)...0.7 0.4 0.3 0.3 0.2 0.2 0.2 0.2 0.2 0.2 0.3 0.5
VISIBILITY (SM).4 4 4 2.6 1.8 2.1 1.7 1.3 1.0 1.5 1.8 2.0
SURFACE WND DIR.N N N N N N N N N S S S
SURFACE WND SPD.11 11 11 8 8 8 6 6 6 7 7 7
SURFACE WND GST.15 15 15 11 11 11 9 9 9 11 11 11
WAVE DIRECTION..280 280 280 160 160 160 330 330 330 010 010 010
WAVE PERIOD (S).4 4 4 4 4 4 4 4 4 6 6 6
WAVE HEIGHT (FT)2 2 2 2 2 1 1 1 1 1 2 2
FREEZING SPRAY..
TUESDAY
SKY/WEATHER.........MOSTLY CLOUDY (80-90 PERCENT) THEN BECOMING
PARTLY SUNNY (55-65 PERCENT). PATCHY FOG EARLY
IN THE MORNING. RAIN SHOWERS LIKELY AND CHANCE
OF THUNDERSTORMS EARLY IN THE MORNING. CHANCE
OF RAIN SHOWERS IN THE LATE MORNING. SLIGHT
CHANCE OF THUNDERSTORMS LATE IN THE MORNING.
CHANCE OF PCPN......70 PERCENT.
CHANCE OF THUNDER...34 PERCENT.
TEMPERATURE.........MAX 55.
SURFACE WINDS.......BREEZY. SOUTH WINDS 9 TO 13 KNOTS SHIFTING TO
THE WEST 15 TO 21 KNOTS LATE IN THE MORNING,
THEN SHIFTING TO THE NORTHWEST 22 TO 23 KNOTS
IN THE AFTERNOON.
CEILING (KFT).......1.2 INCREASING TO 2.0 EARLY IN THE MORNING,
THEN INCREASING TO 2.4 EARLY IN THE MORNING
DECREASING TO 2.2 LATE IN THE MORNING.
VISIBILITY (SM).....2.5 INCREASING TO 9.
WAVE HEIGHT.........WAVES BUILDING TO 3 TO 5 FEET OCCASIONALLY TO 7
FEET.
WAVE PERIOD.........6 SECONDS.
FREEZING SPRAY......NONE.
LAKE SURFACE TEMP...37 DEGREES FAHRENHEIT.
WAVE DIRECTION......340.
TIME (EDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........90 88 86 75 49 62 57 67 58 48 49 71
WEATHER COV.....LKY LKY CHC CHC CHC CHC CHC CHC
WEATHER TYPE....RW RW RW RW RW RW RW RW
TSTM COV........CHC CHC SCH SCH SCH
CHC OF PCPN (%).70 70 50 50 50 50 30 30 10 10 10 10
CHC OF THDR (%).30 30 10 10 10 20 20 20 0 0 0 0
TEMP............47 48 49 51 52 52 51 52 49 48 47 45
CEILING (KFT)...1.2 2.0 2.7 2.5 2.4 2.2 2.3 2.4 2.5 2.5 2.5 2.5
VISIBILITY (SM).2.6 3 4 5 5 6 7 8 9 10 10 10
SURFACE WND DIR.S S S W W W NW NW NW NW NW NW
SURFACE WND SPD.13 13 13 21 21 21 23 23 23 23 23 23
SURFACE WND GST.18 18 18 23 23 23 25 25 25 26 26 26
WAVE DIRECTION..010 010 010 050 050 050 340 340 340 340 340 340
WAVE PERIOD (S).6 6 6 6 6 6 6 6 6 6 6 6
WAVE HEIGHT (FT)2 2 2 2 2 3 4 4 5 5 5 5
FREEZING SPRAY..
FORECASTER...NJL
REQUESTED BY...OS3 ORENGO
TYPE OF REQUEST...MARINE
.TAG 2613906.0/MQT
.DELDT 05/18/26
.FORMATTERVERSION 2.0.0
.EMAIL JOHN.A.ORENGOROLON@USCG.MIL
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