050  
FNUS73 KDLH 210716  
FWSDLH  
 
SPOT FORECAST FOR MARINE TEST...NWS DULUTH  
NATIONAL WEATHER SERVICE DULUTH MN  
216 AM CDT SUN SEP 21 2025  
 
FORECAST IS BASED ON FORECAST START TIME OF 0300 CDT ON SEPTEMBER 21.  
IF THERE ARE QUESTIONS OR CONCERNS WITH THIS FORECAST, OR IF  
CONDITIONS BECOME UNREPRESENTATIVE, CONTACT THE NATIONAL  
WEATHER SERVICE IN DULUTH AT 218-729-0653.  
   
DISCUSSION
 
 
THIS WAS A TEST, PLEASE IGNORE.  
   
TODAY
 
 
SKY/WEATHER.........CLOUDY (90-100 PERCENT). AREAS OF DENSE FOG  
THROUGH THE DAY. SLIGHT CHANCE OF RAIN SHOWERS  
IN THE LATE MORNING AND AFTERNOON. SLIGHT  
CHANCE OF THUNDERSTORMS LATE IN THE AFTERNOON.  
CHANCE OF PCPN......20 PERCENT.  
CHANCE OF THUNDER...15 PERCENT.  
MAX TEMPERATURE.....AROUND 60.  
SURFACE WINDS (MPH).LIGHT WINDS.  
WAVE HEIGHT.........WAVES CALM TO 2 FEET.  
WAVE PERIOD.........6 SECONDS.  
FREEZING SPRAY......NONE.  
CEILING (KFT).......0.2 INCREASING TO 0.3 IN THE AFTERNOON.  
VISIBILITY (SM).....0.50 INCREASING TO 0.75 EARLY IN THE MORNING,  
THEN INCREASING TO 1.25 LATE IN THE MORNING  
DECREASING TO 1.00 EARLY IN THE AFTERNOON  
INCREASING TO 2.25 INCREASING TO 7 LATE IN THE  
AFTERNOON.  
LAKE SURFACE TEMP...53 DEGREES FAHRENHEIT.  
WAVE DIRECTION......90.  
 
TIME (CDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM  
SKY COVER.......CDY CDY CDY CDY CDY CDY CDY CDY CDY CDY CDY CDY  
WEATHER COV.....ARS ARS ARS PTY SCH SCH SCH SCH ARS SCH SCH SCH  
WEATHER TYPE....FOG FOG FOG FOG RNF RNF RNF RNF FOG RNF RW RW  
TSTM COV........ SCH SCH  
CHC OF PCPN (%).10 10 10 10 20 20 20 20 20 20 20 20  
CHC OF THDR (%).10 0 0 0 0 0 0 10 10 10 20 20  
TEMP............57 59 58 58 58 58 58 57 59 59 59 59  
WAVE PERIOD (S).6 6 6 6 6 6 6 6 6 6 6 6  
WAVE HEIGHT (FT)2 2 2 2 1 1 1 1 1 1 1 1  
FREEZING SPRAY..  
CEILING (KFT)...0.2 0.2 0.2 0.2 0.2 0.2 0.3 0.3 0.3 0.3 0.3 0.3  
VISIBILITY (SM)..50 .50 .75 1.2 1.2 1.2 1.5 1.0 1.0 2.2 7 9  
SURFACE WND DIR.E E E E E E E E E E E E  
SURFACE WND SPD.2 2 2 2 2 2 2 3 3 3 3 3  
SURFACE WND GST.6 6 5 5 5 5 5 4 4 4 4  
WAVE DIRECTION..090 090 090 090 090 090 090 090 090 090 090 090  
WAVE PERIOD (S).6 6 6 6 6 6 6 6 6 6 6 6  
WAVE HEIGHT (FT)2 2 2 2 1 1 1 1 1 1 1 1  
FREEZING SPRAY..  
 

 
FORECASTER...LINDA  
REQUESTED BY...LINDA  
TYPE OF REQUEST...MARINE  
.TAG 2522272.0/DLH  
.DELDT 09/21/25  
.FORMATTERVERSION 2.0.0  
.EMAIL LINDA.ENGEBRETSON@NOAA.GOV  
 
CLICK HERE TO GO TO PREVIOUS BULLETINS.

The Nexlab MN Page
The Nexlab WI Page Main Text Page