095  
WTNT25 KNHC 211442  
TCMAT5  
 
HURRICANE ERIN FORECAST/ADVISORY NUMBER 41  
NWS NATIONAL HURRICANE CENTER MIAMI FL AL052025  
1500 UTC THU AUG 21 2025  
 
HURRICANE CENTER LOCATED NEAR 35.4N 70.9W AT 21/1500Z  
POSITION ACCURATE WITHIN 20 NM  
 
PRESENT MOVEMENT TOWARD THE NORTH-NORTHEAST OR 25 DEGREES AT 16 KT  
 
ESTIMATED MINIMUM CENTRAL PRESSURE 952 MB  
MAX SUSTAINED WINDS 85 KT WITH GUSTS TO 105 KT.  
64 KT....... 80NE 90SE 70SW 60NW.  
50 KT.......140NE 160SE 100SW 90NW.  
34 KT.......220NE 280SE 200SW 200NW.  
4 M SEAS....480NE 420SE 420SW 320NW.  
WINDS AND SEAS VARY GREATLY IN EACH QUADRANT. RADII IN NAUTICAL  
MILES ARE THE LARGEST RADII EXPECTED ANYWHERE IN THAT QUADRANT.  
 
REPEAT...CENTER LOCATED NEAR 35.4N 70.9W AT 21/1500Z  
AT 21/1200Z CENTER WAS LOCATED NEAR 34.9N 71.7W  
 
FORECAST VALID 22/0000Z 37.0N 68.6W  
MAX WIND 80 KT...GUSTS 100 KT.  
64 KT... 80NE 90SE 70SW 70NW.  
50 KT...150NE 170SE 110SW 110NW.  
34 KT...250NE 320SE 230SW 260NW.  
 
FORECAST VALID 22/1200Z 39.1N 64.5W  
MAX WIND 80 KT...GUSTS 100 KT.  
64 KT... 70NE 90SE 90SW 80NW.  
50 KT...160NE 170SE 140SW 120NW.  
34 KT...300NE 330SE 250SW 270NW.  
 
FORECAST VALID 23/0000Z 41.0N 59.1W  
MAX WIND 75 KT...GUSTS 95 KT.  
64 KT... 70NE 110SE 100SW 90NW.  
50 KT...160NE 180SE 150SW 130NW.  
34 KT...330NE 350SE 260SW 270NW.  
 
FORECAST VALID 23/1200Z 43.2N 51.7W...POST-TROP/EXTRATROP  
MAX WIND 70 KT...GUSTS 85 KT.  
64 KT... 40NE 90SE 90SW 80NW.  
50 KT...150NE 190SE 160SW 130NW.  
34 KT...330NE 350SE 270SW 260NW.  
 
FORECAST VALID 24/0000Z 46.2N 43.7W...POST-TROP/EXTRATROP  
MAX WIND 65 KT...GUSTS 80 KT.  
64 KT... 0NE 70SE 90SW 70NW.  
50 KT... 60NE 180SE 170SW 110NW.  
34 KT...300NE 350SE 320SW 240NW.  
 
FORECAST VALID 24/1200Z 49.4N 35.7W...POST-TROP/EXTRATROP  
MAX WIND 60 KT...GUSTS 75 KT.  
50 KT... 30NE 140SE 180SW 80NW.  
34 KT...290NE 420SE 410SW 210NW.  
 
EXTENDED OUTLOOK. NOTE...ERRORS FOR TRACK HAVE AVERAGED NEAR 125 NM  
ON DAY 4 AND 175 NM ON DAY 5...AND FOR INTENSITY NEAR 15 KT EACH DAY  
 
OUTLOOK VALID 25/1200Z 54.5N 25.0W...POST-TROP/EXTRATROP  
MAX WIND 55 KT...GUSTS 65 KT.  
50 KT... 70NE 160SE 140SW 80NW.  
34 KT...220NE 380SE 450SW 350NW.  
 
OUTLOOK VALID 26/1200Z 56.9N 21.1W...POST-TROP/EXTRATROP  
MAX WIND 45 KT...GUSTS 55 KT.  
34 KT...200NE 340SE 360SW 180NW.  
 
REQUEST FOR 3 HOURLY SHIP REPORTS WITHIN 300 MILES OF 35.4N 70.9W  
 
INTERMEDIATE PUBLIC ADVISORY...WTNT35 KNHC/MIATCPAT5...AT 21/1800Z  
 
NEXT ADVISORY AT 21/2100Z  
 

 
FORECASTER CANGIALOSI  
 
 
 
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