414  
SXUS83 KAPX 180608  
OMRAPX  
 
MARINE OBSERVATIONS  
NATIONAL WEATHER SERVICE GAYLORD MI  
208 AM EDT SAT APR 18 2026  
 
WIND DATA (KTS) WAVES WATER  
SITE DATE/TIME DIR SPEED GUST (FT) TEMP(F) SITE NAME  
-------------------------------------------------------------  
 
LAKE SUPERIOR/ST MARYS RIVER  
 
GRMM4 180550Z 140 10 11 GRAND MARAIS  
GRMM4 180550Z 140 10 11 GRAND MARAIS  
PTIM4 180530Z 120 7 11 POINT IROQUOIS  
CYAM 180500Z 90 7 SOO (CANADA)  
KANJ 180555Z 110 8 SAULT STE MARIE  
SWPM4 180530Z 120 12 17 S.W. PIER  
LTRM4 180530Z 120 8 13 LITTLE RAPIDS  
RCKM4 180530Z 130 8 10 ROCK CUT  
WNEM4 180530Z 140 5 7 WEST NEBISH ISLAND  
 
LAKE HURON  
 
DTLM4 180530Z 260 4 5 33.97 DETOUR VILLAGE  
KDRM 180555Z 150 9 16 DRUMMOND ISLAND  
KMCD 180555Z 170 7 MACKINAC ISLAND  
MACM4 180530Z CALM 2 33.79 MACKINAC CITY  
KSLH 180555Z 180 6 CHEBOYGAN AIRPORT  
CYGM4 180600Z 190 12 22 CHEBOYGAN MARINA  
KPZQ 180555Z 180 11 ROGERS CITY  
PRIM4 180550Z 160 9 15 PRESQUE ISLE LIGHT  
KAPN 180554Z 160 15 ALPENA GUARD BASE  
APNM4 180550Z 140 17 18 ALPENA HARBOR LIGHT  
SPTM4 180550Z 180 11 16 STURGEON POINT LIGHT  
KOSC 180555Z 160 11 OSCODA  
TAWM4 180540Z 150 9 12 TAWAS POINT  
 
LAKE MICHIGAN  
 
KISQ 180555Z 160 8 16 MANISTIQUE  
PNLM4 180530Z 200 6 9 PORT INLAND  
NABM4 180540Z 220 3 17 NAUBINWAY  
KSJX 180555Z 170 13 20 ST JAMES  
KPLN 180554Z 180 5 PELLSTON  
KMGN 180555Z 120 4 HARBOR SPRINGS  
KCVX 180555Z 160 11 15 CHARLEVOIX  
GTLM4 180540Z 180 4 10 GRAND TRAVERSE LIGHT  
KTVC 180553Z 180 10 15 TRAVERSE CITY  
KFKS 180555Z 140 9 FRANKFORT  
BSBM4 180540Z 150 6 13 BIG SABLE POINT  
LDTM4 180530Z 110 6 9 LUDINGTON  
KLDM 180555Z 180 5 LUDINGTON AIRPORT  
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