Station FTGM4 - Search and Rescue Data

9014098 - Fort Gratiot, MI
43.007 N 82.422 W (43°0'24" N 82°25'21" W)

For area marine forecasts, select: GREAT LAKES FORECASTS

Average surface winds - six hour block.

Date (UTC) Average
Wind Dir
(True)
Average
Wind Spd
(Knots)
Wind
Obs
Average
Seas
(Feet)
Wave
Obs
Air Temp.
(Degrees F.)
Air Temp.
Obs
Water Temp.
(Degrees F.)
Water Temp.
Obs
2024-07-16 0000Z220557-08049-0
2024-07-15 1800Z222360-07456-0
2024-07-15 1200Z66360-07060-0
2024-07-15 0600Z215660-07455-0
2024-07-15 0000Z213757-08143-0
2024-07-14 1800Z228957-08340-0
2024-07-14 1200Z208758-07549-0
2024-07-14 0600Z194560-07339-0
2024-07-14 0000Z95360-07647-0
2024-07-13 1800Z66958-07443-0
2024-07-13 1200Z205160-07150-0
2024-07-13 0600Z169157-06760-0
2024-07-13 0000Z43460-07154-0
2024-07-12 1800Z47559-07059-0
2024-07-12 1200Z21160-06557-0
2024-07-12 0600Z323260-06357-0
2024-07-12 0000Z30760-06857-0
2024-07-11 1800Z241060-06857-0
2024-07-11 1200Z351960-06760-0
2024-07-11 0600Z3481357-06758-0
2024-07-11 0000Z52860-06557-0
2024-07-10 1800Z252460-06660-0
2024-07-10 1200Z442560-06660-0
2024-07-10 0600Z521060-07060-0
2024-07-10 0000Z228460-07760-0
2024-07-09 1800Z125260-07860-0
2024-07-09 1200Z252260-07260-0
2024-07-09 0600Z235360-07460-0
2024-07-09 0000Z206860-08355-0
2024-07-08 1800Z207860-08557-0
2024-07-08 1200Z193560-07260-0
2024-07-08 0600Z199360-06955-0
2024-07-08 0000Z70752-07142-0
2024-07-07 1800Z64857-07048-0
2024-07-07 1200Z296158-06541-0
2024-07-07 0600Z255357-06544-0
2024-07-07 0000Z41558-06746-0
2024-07-06 1800Z285560-07551-0
2024-07-06 1200Z272360-06650-0
2024-07-06 0600Z217360-06552-0
2024-07-06 0000Z224557-07549-0
2024-07-05 1800Z223460-07360-0
2024-07-05 1200Z33359-06859-0
2024-07-05 0600Z348260-06760-0
2024-07-05 0000Z249360-07755-0
2024-07-04 1800Z219660-08260-0
2024-07-04 1200Z225560-07360-0
2024-07-04 0600Z254460-07060-0
2024-07-04 0000Z274660-08158-0
2024-07-03 1800Z243960-08360-0
2024-07-03 1200Z209960-07557-0
2024-07-03 0600Z1831051-07051-0
2024-07-03 0000Z1651060-07352-0
2024-07-02 1800Z1811060-07560-0
2024-07-02 1200Z172760-06360-0
2024-07-02 0600Z147560-06160-0
2024-07-02 0000Z64460-06652-0
2024-07-01 1800Z24660-06458-0
2024-07-01 1200Z350460-05660-0
2024-07-01 0600Z350858-05551-0
2024-07-01 0000Z231853-06047-0
2024-06-30 1800Z11160-06147-0
2024-06-30 1200Z328857-06051-0
2024-06-30 0600Z346553-07051-0
2024-06-30 0000Z277756-08357-0
2024-06-29 1800Z251855-08038-0
2024-06-29 1200Z217658-06832-0
2024-06-29 0600Z185558-06646-0
2024-06-29 0000Z161860-06949-0
2024-06-28 1800Z187860-07057-0
2024-06-28 1200Z150660-05960-0
2024-06-28 0600Z121160-05460-0
2024-06-28 0000Z36860-06158-0
2024-06-27 1800Z431157-06060-0
2024-06-27 1200Z359960-06060-0
2024-06-27 0600Z71460-06260-0
2024-06-27 0000Z356760-06855-0
2024-06-26 1800Z286160-07360-0
2024-06-26 1200Z224360-07160-0
2024-06-26 0600Z261460-07260-0
2024-06-26 0000Z237757-07857-0
2024-06-25 1800Z2261560-07560-0
2024-06-25 1200Z196960-06960-0
2024-06-25 0600Z201660-06960-0
2024-06-25 0000Z93460-07251-0
2024-06-24 1800Z63860-06757-0
2024-06-24 1200Z355560-06560-0
2024-06-24 0600Z321458-06655-0
2024-06-24 0000Z1860-06941-0
2024-06-23 1800Z2921160-07756-0
2024-06-23 1200Z241960-07445-0
2024-06-23 0600Z223955-07954-0
2024-06-23 0000Z219556-08345-0
2024-06-22 1800Z234856-08742-0
2024-06-22 1200Z113055-07045-0
2024-06-22 0600Z29158-06653-0
2024-06-22 0000Z10752-06854-0
2024-06-21 1800Z35560-07160-0
2024-06-21 1200Z16560-06560-0
2024-06-21 0600Z10860-06560-0
2024-06-21 0000Z191260-06555-0
2024-06-20 1800Z111260-06758-0
2024-06-20 1200Z19560-06760-0
2024-06-20 0600Z199560-07160-0
2024-06-20 0000Z247660-08457-0
2024-06-19 1800Z223860-08860-0
2024-06-19 1200Z215660-08057-0
2024-06-19 0600Z203760-07758-0
2024-06-19 0000Z1911160-08360-0
2024-06-18 1800Z2011060-08760-0
2024-06-18 1200Z207760-07960-0
2024-06-18 0600Z202760-07760-0
2024-06-18 0000Z183258-07955-0
2024-06-17 1800Z203960-08358-0
2024-06-17 1200Z233860-07160-0
2024-06-17 0600Z205858-06950-0
2024-06-17 0000Z1891160-07745-0
2024-06-16 1800Z1981060-07939-0
2024-06-16 1200Z180755-06534-0
2024-06-16 0600Z103255-05853-0
2024-06-16 0000Z27857-05840-0
2024-06-15 1800Z201357-05938-0
2024-06-15 1200Z3950-05939-0
2024-06-15 0600Z8455-05733-0
2024-06-15 0000Z16956-06247-0
2024-06-14 1800Z341158-06149-0
2024-06-14 1200Z359456-06455-0
2024-06-14 0600Z2460-06557-0
2024-06-14 0000Z2501060-08150-0
2024-06-13 1800Z2231154-08437-0
2024-06-13 1200Z227860-07155-0
2024-06-13 0600Z210755-07047-0
2024-06-13 0000Z203953-07723-0
2024-06-12 1800Z212856-07830-0
2024-06-12 1200Z198760-06337-0
2024-06-12 0600Z202657-06043-0
2024-06-12 0000Z99556-06333-0
2024-06-11 1800Z691050-06036-0
2024-06-11 1200Z339358-05245-0
2024-06-11 0600Z346460-04954-0
2024-06-11 0000Z221457-05454-0
2024-06-10 1800Z201558-05550-0
2024-06-10 1200Z341860-05254-0
2024-06-10 0600Z333660-05453-0
2024-06-10 0000Z12851-05735-0
2024-06-09 1800Z298755-06846-0
2024-06-09 1200Z271759-05739-0
2024-06-09 0600Z256357-05552-0
2024-06-09 0000Z321253-05742-0
2024-06-08 1800Z299460-07042-0
2024-06-08 1200Z282756-06144-0
2024-06-08 0600Z267660-05749-0
2024-06-08 0000Z300557-06446-0
2024-06-07 1800Z280960-06660-0
2024-06-07 1200Z278760-06060-0
2024-06-07 0600Z272560-06254-0
2024-06-07 0000Z2741060-07157-0
2024-06-06 1800Z266860-07560-0
2024-06-06 1200Z269824-06724-0
2024-06-06 0600Z213521-06721-0
2024-06-06 0000Z205760-06744-0
2024-06-05 1800Z1941249-07949-0
2024-06-05 1200Z185753-07153-0
2024-06-05 0600Z163760-07260-0
2024-06-05 0000Z169960-07951-0
2024-06-04 1800Z203860-08348-0
2024-06-04 1200Z189560-06657-0
2024-06-04 0600Z182660-06354-0
2024-06-04 0000Z62260-06155-0
2024-06-03 1800Z60957-05946-0
2024-06-03 1200Z6260-05757-0
2024-06-03 0600Z10660-05754-0
2024-06-03 0000Z9960-06047-0
2024-06-02 1800Z212452-06855-0
2024-06-02 1200Z201660-06349-0
2024-06-02 0600Z175655-06243-0
2024-06-02 0000Z183760-07140-0
2024-06-01 1800Z1901157-07438-0
2024-06-01 1200Z201557-06039-0
2024-06-01 0600Z205660-05938-0
2024-06-01 0000Z204530-06727-0

The six-hour averages are calculated as follows:

  • The 0000Z average uses data from 2100Z to 0259Z.
  • The 0600Z average uses data from 0300Z to 0859Z.
  • The 1200Z average uses data from 0900Z to 1459Z.
  • The 1800Z average uses data from 1500Z to 2059Z.

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