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
2024-03-28 0600Z2611860-038604160
2024-03-28 0000Z2251758-038584160
2024-03-27 1800Z2351760-033604160
2024-03-27 1200Z2472060-033604260
2024-03-27 0600Z2342359-036594259
2024-03-27 0000Z2062357-042524257
2024-03-26 1800Z1781460-050604260
2024-03-26 1200Z1401660-052604160
2024-03-26 0600Z1391360-057604060
2024-03-26 0000Z1221055-064464055
2024-03-25 1800Z1451260-059523960
2024-03-25 1200Z1091360-045603960
2024-03-25 0600Z931860-038573956
2024-03-25 0000Z961555-040454057
2024-03-24 1800Z1051057-038503954
2024-03-24 1200Z95856-029523960
2024-03-24 0600Z68660-028603960
2024-03-24 0000Z3291257-032574057
2024-03-23 1800Z3251358-032513960
2024-03-23 1200Z19754-029393958

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)

Display HLNM4 station page