150  
SXUS83 KAPX 181838  
OMRAPX  
 
MARINE OBSERVATIONS  
NATIONAL WEATHER SERVICE GAYLORD MI  
238 PM EDT SAT JUL 18 2026  
 
WIND DATA (KTS) WAVES WATER  
SITE DATE/TIME DIR SPEED GUST (FT) TEMP(F) SITE NAME  
-------------------------------------------------------------  
 
LAKE SUPERIOR/ST MARYS RIVER  
 
GRMM4 181750Z 330 20 24 GRAND MARAIS  
GRMM4 181750Z 330 20 24 GRAND MARAIS  
CYAM 181800Z 300 14 SOO (CANADA)  
KANJ 181825Z 310 6 SAULT STE MARIE  
 
LAKE HURON  
 
KDRM 181815Z 300 6 14 DRUMMOND ISLAND  
KMCD 181815Z 330 11 19 MACKINAC ISLAND  
KSLH 181815Z 310 12 19 CHEBOYGAN AIRPORT  
CYGM4 181830Z 310 19 42 CHEBOYGAN MARINA  
KPZQ 181815Z 310 14 22 ROGERS CITY  
PRIM4 181750Z 290 27 37 PRESQUE ISLE LIGHT  
KAPN 181814Z 310 11 24 ALPENA GUARD BASE  
APNM4 181820Z 320 14 17 ALPENA HARBOR LIGHT  
TBIM4 181800Z 300 13 20 THUNDER BAY ISLAND  
SPTM4 181750Z 320 15 28 STURGEON POINT LIGHT  
KOSC 181815Z 310 20 25 OSCODA  
TAWM4 181740Z 280 11 17 TAWAS POINT  
GSLM4 181740Z 270 26 30 GRAVELLY SHOALS  
 
LAKE MICHIGAN  
 
KISQ 181815Z 330 14 17 MANISTIQUE  
NABM4 181740Z 320 14 20 NAUBINWAY  
KSJX 181815Z 310 12 18 ST JAMES  
KPLN 181754Z 310 16 23 PELLSTON  
KMGN 181815Z 290 9 16 HARBOR SPRINGS  
KCVX 181815Z 310 15 21 CHARLEVOIX  
GTLM4 181740Z 340 17 22 GRAND TRAVERSE LIGHT  
KTVC 181800Z 330 12 21 TRAVERSE CITY  
KFKS 181815Z 360 11 16 FRANKFORT  
BSBM4 181740Z 350 11 16 BIG SABLE POINT  
KLDM 181815Z 360 14 21 LUDINGTON AIRPORT  
 
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