Station HLNM4 - Search and Rescue Data

9087031 - Holland, MI
42.773 N 86.213 W (42°46'24" N 86°12'46" 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 1200Z341360-055275326
2026-06-01 0600Z59460-057245733
2026-06-01 0000Z340953-056235925
2026-05-31 1800Z329458-060255635
2026-05-31 1200Z92760-057245524
2026-05-31 0600Z85860-060275747
2026-05-31 0000Z64860-071245920
2026-05-30 1800Z701259-069225220
2026-05-30 1200Z731560-061245825
2026-05-30 0600Z61460-060245434
2026-05-30 0000Z339360-063245727
2026-05-29 1800Z334460-060245519
2026-05-29 1200Z153360-056245817
2026-05-29 0600Z78660-059225716
2026-05-29 0000Z340960-055245921
2026-05-28 1800Z340860-058245918
2026-05-28 1200Z58760-063275826
2026-05-28 0600Z31760-066245827
2026-05-28 0000Z336760-062245624
2026-05-27 1800Z261260-062245824

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.

Display all available SAR data (up to 45 days)

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