657  
FNUS73 KMQT 151710  
FWSMQT  
 
SPOT FORECAST FOR SAR...USCG SEC NGL  
NATIONAL WEATHER SERVICE MARQUETTE MI  
110 PM EDT MON SEP 15 2025  
 
FORECAST IS BASED ON FORECAST START TIME OF 1300 EDT ON SEPTEMBER 15.  
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER  
SERVICE.  
 
CORRECTION NOTE: CORRECTS THE PREVIOUSLY SENT SPOT SO THE HOURLY "REST OF TODAY"  
PERIOD GOES THROUGH 5PM, AND THE HOURLY "TONIGHT" PERIOD BEGINS AT 6PM.  
   
DISCUSSION  
 
CLEAR SKIES AND S TO E WINDS BELOW 15 KTS ARE EXPECTED TODAY INTO  
TONIGHT. WAVES BELOW A FOOT ARE LIKELY ON THE NORTHERN PORTION OF  
THE ISLAND WHILE WAVE HEIGHTS MAY BUILD BETWEEN 1 TO 3 FEET ON THE  
SOUTHERN FACING SHORELINES. TONIGHT, PATCHY DENSE FOG IS POSSIBLE  
(10-30% FOR VISIBILITY LESS THAN 1 SM, MAINLY IN THE OPEN WATERS BETWEEN  
THE ISLAND AND THUNDER BAY, ON.). NO PRECIPITATION IS EXPECTED  
THROUGH THE AFTERNOON AND EVENING HOURS, HOWEVER, THERE IS A LOW  
CHANCE FOR SHOWERS (10%) IN THE EARLY MORNING HOURS OF TUESDAY.  
 
FOR AVIATION COMING FROM TRAVERSE CITY, VFR CONDITIONS ARE EXPECTED  
ALONG THE ENTIRE ROUTE. IFR CIGS/VIS WILL BE PRESENT TONIGHT IF  
PATCHY DENSE FOG DEVELOPS. WIDESPREAD FOG DEVELOPMENT IS NOT  
EXPECTED OVER THE OPEN WATERS OF LAKE SUPERIOR TONIGHT.  
   
REST OF TODAY  
 
SKY/WEATHER.........SUNNY (10-20 PERCENT).  
CHANCE OF PCPN......0 PERCENT.  
TEMPERATURE.........71 AT FORECAST START...MAX 74.  
RH..................69 PERCENT AT FORECAST START...MIN 66 PERCENT.  
PCPN AMOUNT.........0.00 INCHES.  
SURFACE WINDS.......SOUTH WINDS AROUND 5 MPH.  
CEILING (KFT).......23.  
VISIBILITY (SM).....9.  
 
TIME (EDT) 1PM 2PM 3PM 4PM 5PM  
SKY (%).........19 14 15 14 17  
WEATHER COV.....  
WEATHER TYPE....  
TSTM COV........  
CHC OF PCPN (%).0 0 0 0 0  
TEMP............71 72 72 72 73  
RH..............69 66 67 66 66  
SURFACE WND DIR.S S SE SE SE  
SURFACE WND SPD.5 5 5 5 5  
SURFACE WND GST.7 7 8 8 8  
CEILING (KFT)...23 24 24 25 25  
VISIBILITY (SM).9 10 10 10 10  
   
TONIGHT  
 
SKY/WEATHER.........PARTLY CLOUDY (25-35 PERCENT) THEN BECOMING  
MOSTLY CLOUDY (50-60 PERCENT) THEN BECOMING  
PARTLY CLOUDY (40-50 PERCENT) THEN BECOMING  
MOSTLY CLOUDY (50-60 PERCENT).  
CHANCE OF PCPN......10 PERCENT.  
TEMPERATURE.........MIN 59.  
RH..................MAX 93 PERCENT.  
PCPN AMOUNT.........0.00 INCHES.  
SURFACE WINDS.......SOUTHEAST WINDS 6 TO 7 MPH SHIFTING TO THE  
SOUTHWEST OVERNIGHT.  
CEILING (KFT).......24 DECREASING TO 16.  
VISIBILITY (SM).....9.  
 
TIME (EDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM  
SKY (%).........18 21 33 41 46 31 33 40 60 51 47 53  
WEATHER COV.....  
WEATHER TYPE....  
TSTM COV........  
CHC OF PCPN (%).0 0 0 0 0 0 0 0 0 0 10 10  
TEMP............71 70 67 65 63 62 62 62 62 62 61 61  
RH..............69 72 79 83 87 91 89 89 88 88 90 90  
SURFACE WND DIR.SE SE SE SE SE SE SW SW SW SW SW SW  
SURFACE WND SPD.7 7 7 7 7 7 7 7 7 7 7 7  
SURFACE WND GST.10 10 10 10 10 10 12 12 12 12 12 12  
CEILING (KFT)...25 25 25 24 24 24 22 22 21 21 20 16  
VISIBILITY (SM).10 10 10 10 10 10 10 10 10 9 9 9  
 
 
FORECASTER...BW  
REQUESTED BY...ENS CONNER FLORA  
TYPE OF REQUEST...SAR  
.TAG 2521987.0/MQT  
.DELDT 09/15/25  
.FORMATTERVERSION 2.0.0  
.EMAIL CONNER.W.FLORA@USCG.MIL  
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