Station GDMM5 - Search and Rescue Data

9099090 - Grand Marais, MN
47.749 N 90.341 W (47°44'55" N 90°20'28" 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
2026-06-01 0600Z--0-045244342
2026-06-01 0000Z--0-049294338
2026-05-31 1800Z--0-047284342
2026-05-31 1200Z--0-044274336
2026-05-31 0600Z--0-044304351
2026-05-31 0000Z--0-050274336
2026-05-30 1800Z--0-051344342
2026-05-30 1200Z--0-056274336
2026-05-30 0600Z--0-059264339
2026-05-30 0000Z--0-051304336
2026-05-29 1800Z--0-052394345
2026-05-29 1200Z--0-047364336
2026-05-29 0600Z--0-045334333
2026-05-29 0000Z--0-052334333
2026-05-28 1800Z--0-051454345
2026-05-28 1200Z--0-050454345
2026-05-28 0600Z--0-051334336
2026-05-28 0000Z--0-055304330
2026-05-27 1800Z--0-050364336
2026-05-27 1200Z--0-058374345

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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