198  
SXUS83 KAPX 150508  
OMRAPX  
 
MARINE OBSERVATIONS  
NATIONAL WEATHER SERVICE GAYLORD MI  
108 AM EDT SAT AUG 15 2026  
 
WIND DATA (KTS) WAVES WATER  
SITE DATE/TIME DIR SPEED GUST (FT) TEMP(F) SITE NAME  
-------------------------------------------------------------  
 
LAKE SUPERIOR/ST MARYS RIVER  
 
GRMM4 150450Z 160 4 GRAND MARAIS  
GRMM4 150450Z 160 4 GRAND MARAIS  
PTIM4 150430Z 280 3 8 POINT IROQUOIS  
CYAM 150400Z 260 4 SOO (CANADA)  
KANJ 150455Z CALM SAULT STE MARIE  
SWPM4 150430Z 240 6 7 70.16 S.W. PIER  
LTRM4 150430Z 230 3 62.96 LITTLE RAPIDS  
RCKM4 150430Z 300 3 5 70.16 ROCK CUT  
WNEM4 150430Z 300 7 8 64.39 WEST NEBISH ISLAND  
 
LAKE HURON  
 
DTLM4 150430Z 310 7 11 67.09 DETOUR VILLAGE  
KDRM 150455Z CALM DRUMMOND ISLAND  
KMCD 150455Z 10 6 MACKINAC ISLAND  
MACM4 150430Z 310 2 6 73.39 MACKINAC CITY  
KSLH 150455Z 300 2 CHEBOYGAN AIRPORT  
CYGM4 150505Z 340 4 9 CHEBOYGAN MARINA  
KPZQ 150455Z 270 2 ROGERS CITY  
PRIM4 150450Z CALM PRESQUE ISLE LIGHT  
KAPN 150454Z CALM ALPENA GUARD BASE  
APNM4 150450Z 320 3 4 ALPENA HARBOR LIGHT  
TBIM4 150430Z 350 4 THUNDER BAY ISLAND  
SPTM4 150450Z 320 3 4 STURGEON POINT LIGHT  
KOSC 150437Z 340 2 OSCODA  
TAWM4 150440Z 340 3 4 TAWAS POINT  
GSLM4 150440Z 30 4 5 GRAVELLY SHOALS  
 
LAKE MICHIGAN  
 
KISQ 150455Z 30 3 MANISTIQUE  
PNLM4 150430Z 20 5 7 69.07 PORT INLAND  
NABM4 150440Z 10 9 12 NAUBINWAY  
KSJX 150455Z 100 2 ST JAMES  
KPLN 150454Z CALM PELLSTON  
KMGN 150455Z 20 2 HARBOR SPRINGS  
KCVX 150455Z 80 5 CHARLEVOIX  
GTLM4 150440Z 50 14 16 GRAND TRAVERSE LIGHT  
KTVC 150453Z CALM TRAVERSE CITY  
KFKS 150455Z 40 3 FRANKFORT  
BSBM4 150440Z 50 7 9 BIG SABLE POINT  
LDTM4 150430Z 90 4 8 LUDINGTON  
KLDM 150455Z 50 4 LUDINGTON AIRPORT  
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