499  
SXUS83 KAPX 181838  
OMRAPX  
 
MARINE OBSERVATIONS  
NATIONAL WEATHER SERVICE GAYLORD MI  
238 PM WED MAR 18 2026  
 
WIND DATA (KTS) WAVES WATER  
SITE DATE/TIME DIR SPEED GUST (FT) TEMP(F) SITE NAME  
-------------------------------------------------------------  
 
LAKE SUPERIOR/ST MARYS RIVER  
 
PTIM4 181800Z 130 8 12 POINT IROQUOIS  
CYAM 181824Z 140 6 SOO (CANADA)  
KANJ 181822Z 150 9 SAULT STE MARIE  
SWPM4 181800Z 160 9 14 S.W. PIER  
LTRM4 181800Z 150 15 21 LITTLE RAPIDS  
RCKM4 181800Z 150 14 19 ROCK CUT  
WNEM4 181800Z 160 13 17 WEST NEBISH ISLAND  
 
LAKE HURON  
 
DTLM4 181800Z 170 23 25 34.16 DETOUR VILLAGE  
KDRM 181815Z 160 11 16 DRUMMOND ISLAND  
KMCD 181815Z 170 10 18 MACKINAC ISLAND  
MACM4 181800Z 170 16 20 32.18 MACKINAC CITY  
KSLH 181815Z 160 10 15 CHEBOYGAN AIRPORT  
CYGM4 181830Z 160 18 27 CHEBOYGAN MARINA  
KPZQ 181815Z 190 12 19 ROGERS CITY  
PRIM4 181750Z 170 3 9 PRESQUE ISLE LIGHT  
KAPN 181829Z 180 13 ALPENA GUARD BASE  
APNM4 181820Z 180 1 ALPENA HARBOR LIGHT  
TBIM4 181800Z 180 1 THUNDER BAY ISLAND  
KOSC 181815Z 180 17 24 OSCODA  
TAWM4 181740Z 180 9 17 TAWAS POINT  
 
LAKE MICHIGAN  
 
KISQ 181815Z 240 5 MANISTIQUE  
PNLM4 181800Z 230 11 15 PORT INLAND  
NABM4 181740Z 180 25 28 NAUBINWAY  
KSJX 181815Z 180 13 19 ST JAMES  
KPLN 181754Z 150 9 PELLSTON  
KMGN 181815Z 190 9 14 HARBOR SPRINGS  
KCVX 181815Z 170 10 16 CHARLEVOIX  
GTLM4 181740Z 180 10 19 GRAND TRAVERSE LIGHT  
KTVC 181753Z 180 9 18 TRAVERSE CITY  
BSBM4 181740Z 170 11 15 BIG SABLE POINT  
LDTM4 181800Z 160 6 11 LUDINGTON  
KLDM 181815Z 170 10 14 LUDINGTON AIRPORT  
 
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