Station List

Hurricane Symbol View the latest observations near Atlantic Tropical Storm Ophelia.

Station MCGM4 - Search and Rescue Data

9099018 - Marquette C.G., MI
46.546 N 87.379 W (46°32'44" N 87°22'43" W)

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
2023-09-23 1200Z138451-06251-0
2023-09-23 0600Z150360-06260-0
2023-09-23 0000Z172460-06860-0
2023-09-22 1800Z141460-07057-0
2023-09-22 1200Z209260-06360-0
2023-09-22 0600Z223260-06758-0
2023-09-22 0000Z315060-06860-0
2023-09-21 1800Z120260-06860-0
2023-09-21 1200Z242160-06660-0
2023-09-21 0600Z209560-06460-0
2023-09-21 0000Z176460-06560-0
2023-09-20 1800Z173754-06460-0
2023-09-20 1200Z140660-05960-0
2023-09-20 0600Z154660-05660-0
2023-09-20 0000Z1671060-05960-0
2023-09-19 1800Z1691058-06257-0
2023-09-19 1200Z153660-04960-0
2023-09-19 0600Z234360-04860-0
2023-09-19 0000Z92260-05360-0
2023-09-18 1800Z74458-05658-0

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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