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
2026-08-06 1800Z329259-070396759
2026-08-06 1200Z21160-067456660
2026-08-06 0600Z232160-066516560
2026-08-06 0000Z176260-071546460
2026-08-05 1800Z164860-069366460
2026-08-05 1200Z1711156-068446356
2026-08-05 0600Z1681355-072376552
2026-08-05 0000Z166760-073456557
2026-08-04 1800Z1681160-066426260
2026-08-04 1200Z1671060-065336453
2026-08-04 0600Z114260-064486558
2026-08-04 0000Z346560-065396260
2026-08-03 1800Z331460-066456249
2026-08-03 1200Z354160-060426431
2026-08-03 0600Z60360-065456342
2026-08-03 0000Z3451158-060436029
2026-08-02 1800Z3431060-062445951
2026-08-02 1200Z4760-065486544
2026-08-02 0600Z32760-068516333
2026-08-02 0000Z371060-070516760

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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