662  
FNAK71 PAFC 252244  
FWSAER  
 
SPOT FORECAST FOR TRADING BAY OIL SHEEN...USCG  
NATIONAL WEATHER SERVICE ANCHORAGE AK  
244 PM AKDT TUE AUG 25 2026  
 
FORECAST IS BASED ON FORECAST START TIME OF 1500 AKDT ON AUGUST 25.    
DISCUSSION
 
 
A WEATHER FRONT MOVING ACROSS SOUTHERN ALASKA FROM WEST TO EAST WILL  
CROSS THE TRADING BAY AREA AROUND 5 PM TO 6 PM TODAY. THIS FRONTAL  
PASSAGE WILL CAUSE THE WINDS TO RAPIDLY DIMINISH AND RAIN TO TAPER OFF.  
 
   
REST OF TODAY
 
 
SKY/WEATHER.........MOSTLY CLOUDY (90 PERCENT). RAIN.  
SURFACE WINDS (KTS).BREEZY. SOUTH WINDS AROUND 20 KNOTS WITH GUSTS TO 30 KNOTS.  
WAVE HEIGHT.........4 TO 5 FEET.  
CEILING (KFT).......1000 TO 1500 FEET.  
VISIBILITY..........2 TO 4 MILES.  
   
TONIGHT
 
 
SKY/WEATHER.........MOSTLY CLOUDY (50-60 PERCENT) THEN BECOMING  
PARTLY CLOUDY (40-50 PERCENT). SLIGHT CHANCE OF  
RAIN SHOWERS.  
CHANCE OF PCPN......30 PERCENT.  
SURFACE WINDS (KTS).SOUTHWEST WINDS 15 TO 20 KNOTS DIMINISHING TO 10 TO 15 KNOTS  
BY 8 PM THEN SHIFTING TO THE NORTH AROUND 6 KNOTS OVERNIGHT.  
WAVE HEIGHT.........5 FEET SUBSIDING TO 2 FEET OVERNIGHT.  
CEILING (KFT).......1500 TO 2500 FT EARLY INCREASING TO 3000 TO 5000 FT DURING THE EVENING.  
VISIBILITY..........3 TO 5 MILES EARLY IMPROVING TO GREATER THAN 6 MILES DURING THE EVENING.  
   
WEDNESDAY
 
 
SKY/WEATHER.........PARTLY SUNNY (50-60 PERCENT) THEN BECOMING  
SUNNY (10-20 PERCENT).  
CHANCE OF PCPN......20 PERCENT.  
SURFACE WINDS (KTS).NORTH WINDS UP TO 6 KNOTS SHIFTING TO THE SOUTH  
AROUND 4 KNOTS IN THE AFTERNOON.  
WAVE HEIGHT.........1 TO 2 FEET.  
CEILING (KFT).......GREATER THAN 5000 FT.  
VISIBILITY..........GREATER THAN 6 SM.  
 

 
FORECASTER...ZINGONE  
REQUESTED BY...ANN MARIE BORKOWSKI  
TYPE OF REQUEST...HAZMAT  
.TAG 2620529.0/AER  
.DELDT 08/25/26  
.FORMATTERVERSION 2.0.0  
.EMAIL ANNMARIE.BORKOWSKI@USCG.MIL,ERIN.BRAGG@HILCORP.COM,LIZA.SANDEN@NOAA.GOV  
 
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