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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
2024-02-28 1800Z2993031-024313931
2024-02-28 1200Z3183060-032604060
2024-02-28 0600Z223558-049584158
2024-02-28 0000Z1661458-053554158
2024-02-27 1800Z1711560-049594060
2024-02-27 1200Z1711958-051553958
2024-02-27 0600Z1581760-058603860
2024-02-27 0000Z1421457-061483851
2024-02-26 1800Z951459-051563756
2024-02-26 1200Z711060-037603760
2024-02-26 0600Z169560-042603660
2024-02-26 0000Z1701255-043443754
2024-02-25 1800Z1841860-038433660
2024-02-25 1200Z1731954-033443649
2024-02-25 0600Z1751760-032563655
2024-02-25 0000Z1841157-027383750
2024-02-24 1800Z258256-023393657
2024-02-24 1200Z31751-017293650
2024-02-24 0600Z141056-024343756
2024-02-24 0000Z3531055-033403751
2024-02-23 1800Z3181260-037603660
2024-02-23 1200Z339560-038603660
2024-02-23 0600Z179660-039603660
2024-02-23 0000Z188160-037563660
2024-02-22 1800Z7660-040573657
2024-02-22 1200Z79460-037583660
2024-02-22 0600Z90260-039603660
2024-02-22 0000Z173360-044603660
2024-02-21 1800Z1771260-046593660
2024-02-21 1200Z1691860-044593660
2024-02-21 0600Z1701560-044583560
2024-02-21 0000Z161959-046593559
2024-02-20 1800Z171560-042603560
2024-02-20 1200Z112560-033603460
2024-02-20 0600Z103659-032593559
2024-02-20 0000Z85354-034503555
2024-02-19 1800Z236259-034513559
2024-02-19 1200Z79560-025603460
2024-02-19 0600Z95360-026593460
2024-02-19 0000Z330659-032513457
2024-02-18 1800Z2781959-033493458
2024-02-18 1200Z2562457-032463460
2024-02-18 0600Z2392860-031603460
2024-02-18 0000Z2142857-029493458
2024-02-17 1800Z2651657-021453555
2024-02-17 1200Z2991860-022353553
2024-02-17 0600Z2992160-026533560
2024-02-17 0000Z3071558-029583658
2024-02-16 1800Z294460-028603660
2024-02-16 1200Z334760-030603660
2024-02-16 0600Z3101960-032603760
2024-02-16 0000Z2932160-035603758
2024-02-15 1800Z2992460-037603660
2024-02-15 1200Z121860-034603660
2024-02-15 0600Z126860-038583758
2024-02-15 0000Z136357-036593759
2024-02-14 1800Z190960-034603760
2024-02-14 1200Z109460-029603660
2024-02-14 0600Z24460-031603660
2024-02-14 0000Z3261360-034563760
2024-02-13 1800Z3291155-034533755
2024-02-13 1200Z3461257-035573757
2024-02-13 0600Z166560-034603660
2024-02-13 0000Z172560-033483757
2024-02-12 1800Z1871358-035563760
2024-02-12 1200Z172560-032603760
2024-02-12 0600Z288660-035603760
2024-02-12 0000Z287857-033523758
2024-02-11 1800Z253255-033373760
2024-02-11 1200Z52460-032503757
2024-02-11 0600Z332660-034603760
2024-02-11 0000Z2981255-035463757
2024-02-10 1800Z2841460-035543757
2024-02-10 1200Z2901257-038283758
2024-02-10 0600Z260853-039403760
2024-02-10 0000Z191757-040553860
2024-02-09 1800Z1751458-040553853
2024-02-09 1200Z1911360-040603760
2024-02-09 0600Z1751860-044603760
2024-02-09 0000Z1711957-047553657
2024-02-08 1800Z1651560-050603660
2024-02-08 1200Z1371260-048603560
2024-02-08 0600Z129960-045603558
2024-02-08 0000Z103460-041553560
2024-02-07 1800Z171753-038533553
2024-02-07 1200Z138560-034603560
2024-02-07 0600Z141460-033583560
2024-02-07 0000Z303157-033543555
2024-02-06 1800Z199260-033603560
2024-02-06 1200Z101560-032603560
2024-02-06 0600Z831055-032483554
2024-02-06 0000Z9455-035413555
2024-02-05 1800Z326657-034533560
2024-02-05 1200Z32360-028603560
2024-02-05 0600Z352560-033603560
2024-02-05 0000Z345958-036503558
2024-02-04 1800Z26555-038383460
2024-02-04 1200Z64555-029553460
2024-02-04 0600Z75460-030603460
2024-02-04 0000Z66660-035473455
2024-02-03 1800Z82754-031433460
2024-02-03 1200Z771054-028423457
2024-02-03 0600Z74858-031523460
2024-02-03 0000Z74560-036533460
2024-02-02 1800Z71760-036573357
2024-02-02 1200Z56860-032603360
2024-02-02 0600Z12460-035603360
2024-02-02 0000Z341455-037553357
2024-02-01 1800Z169760-036603358
2024-02-01 1200Z1771260-036603360
2024-02-01 0600Z2051760-038603360
2024-02-01 0000Z2042053-037513353
2024-01-31 1800Z2211460-038603360
2024-01-31 1200Z247454-036543354
2024-01-31 0600Z349560-035603360
2024-01-31 0000Z352660-035603360
2024-01-30 1800Z171360-036603260
2024-01-30 1200Z1801760-035603260
2024-01-30 0600Z1842060-035603260
2024-01-30 0000Z1741460-034503360
2024-01-29 1800Z1981354-034543355
2024-01-29 1200Z261860-035603360
2024-01-29 0600Z318858-034553358
2024-01-29 0000Z3321460-035523358
2024-01-28 1800Z3341257-036473358
2024-01-28 1200Z0851-036533353
2024-01-28 0600Z25660-037603360
2024-01-28 0000Z43555-038463355
2024-01-27 1800Z54260-036493357
2024-01-27 1200Z84354-035393356
2024-01-27 0600Z78659-036433355
2024-01-27 0000Z56350-038273353
2024-01-26 1800Z38358-038593359
2024-01-26 1200Z355559-035603360
2024-01-26 0600Z54959-036603358
2024-01-26 0000Z61843-038453357
2024-01-25 1800Z63660-038593360
2024-01-25 1200Z64360-034593360
2024-01-25 0600Z34359-035593359
2024-01-25 0000Z57460-037603360
2024-01-24 1800Z73759-037593359
2024-01-24 1200Z82458-035553360
2024-01-24 0600Z85460-034603360
2024-01-24 0000Z77660-035573260
2024-01-23 1800Z87860-035583260
2024-01-23 1200Z126560-033603260
2024-01-23 0600Z1891058-034583258
2024-01-23 0000Z2191734-035213234
2024-01-22 1800Z2072160-032523260
2024-01-22 1200Z1711660-025603260
2024-01-22 0600Z1591360-020603260
2024-01-22 0000Z1651355-020473257
2024-01-21 1800Z1961755-023473256
2024-01-21 1200Z2411352-023443252
2024-01-21 0600Z2781257-025573260
2024-01-21 0000Z3091658-025483258
2024-01-20 1800Z3182057-024363253
2024-01-20 1200Z118358-014363258
2024-01-20 0600Z30560-013493254
2024-01-20 0000Z47556-020483256
2024-01-19 1800Z48460-020603260
2024-01-19 1200Z35460-017603260
2024-01-19 0600Z45760-018603260
2024-01-19 0000Z14559-022573259
2024-01-18 1800Z282860-024593260
2024-01-18 1200Z2721160-024593258
2024-01-18 0600Z2551860-024603260
2024-01-18 0000Z2412057-023543257
2024-01-17 1800Z2282260-021423257
2024-01-17 1200Z2302460-019603260
2024-01-17 0600Z2432560-016603260
2024-01-17 0000Z2362560-013603260
2024-01-16 1800Z2382360-012603260
2024-01-16 1200Z2482160-013603260
2024-01-16 0600Z2561758-016603260
2024-01-16 0000Z2461757-017453260
2024-01-15 1800Z2491660-016573260
2024-01-15 1200Z2471960-014603260
2024-01-15 0600Z2431760-014603260
2024-01-15 0000Z2432058-015473355
2024-01-14 1800Z2422160-013483460
2024-01-14 1200Z2522660-016533460
2024-01-14 0600Z2482460-022583660
2024-01-14 0000Z2602230-027203630

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 HLNM4 station page