Station APNM4 - Search and Rescue Data

Alpena Harbor Light, Alpena, MI
45.060 N 83.424 W (45°3'35" N 83°25'25" 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
2026-04-20 1800Z71227-03427-0
2026-04-20 1200Z295636-02836-0
2026-04-20 0600Z313936-02736-0
2026-04-20 0000Z3161332-03232-0
2026-04-19 1800Z3241135-03535-0
2026-04-19 1200Z261735-03435-0
2026-04-19 0600Z279535-03335-0
2026-04-19 0000Z2801235-03935-0
2026-04-18 1800Z2951436-04036-0
2026-04-18 1200Z2171036-05536-0
2026-04-18 0600Z1431436-04836-0
2026-04-18 0000Z1341536-04536-0
2026-04-17 1800Z1221736-04336-0
2026-04-17 1200Z140236-04736-0
2026-04-17 0600Z299136-04636-0
2026-04-17 0000Z358132-05332-0
2026-04-16 1800Z311630-05230-0
2026-04-16 1200Z327536-04836-0
2026-04-16 0600Z42136-04736-0
2026-04-16 0000Z108336-04736-0
2026-04-15 1800Z111436-04336-0
2026-04-15 1200Z100136-04536-0
2026-04-15 0600Z130536-04236-0
2026-04-15 0000Z1351036-03936-0
2026-04-14 1800Z106436-04636-0
2026-04-14 1200Z358636-04136-0
2026-04-14 0600Z76436-04136-0
2026-04-14 0000Z11534-05034-0
2026-04-13 1800Z3081034-05934-0
2026-04-13 1200Z2531031-06031-0
2026-04-13 0600Z2341935-06035-0
2026-04-13 0000Z168736-04436-0
2026-04-12 1800Z1571634-03734-0
2026-04-12 1200Z1391736-03636-0
2026-04-12 0600Z151836-03936-0
2026-04-12 0000Z1351636-03636-0
2026-04-11 1800Z1301236-03536-0
2026-04-11 1200Z254236-03336-0
2026-04-11 0600Z304336-03136-0
2026-04-11 0000Z333536-03736-0
2026-04-10 1800Z83136-03736-0
2026-04-10 1200Z111236-03336-0
2026-04-10 0600Z147235-03635-0
2026-04-10 0000Z333636-04536-0
2026-04-09 1800Z2881536-05236-0
2026-04-09 1200Z2391436-05236-0
2026-04-09 0600Z1951836-04836-0
2026-04-09 0000Z1442036-03836-0
2026-04-08 1800Z1472136-03436-0
2026-04-08 1200Z1851436-03036-0
2026-04-08 0600Z1861236-02936-0
2026-04-08 0000Z1471336-02836-0
2026-04-07 1800Z174136-02636-0
2026-04-07 1200Z340736-01836-0
2026-04-07 0600Z3261436-02136-0
2026-04-07 0000Z3101336-02836-0
2026-04-06 1800Z138736-03536-0
2026-04-06 1200Z298236-03036-0
2026-04-06 0600Z281336-03036-0
2026-04-06 0000Z3101236-03436-0
2026-04-05 1800Z2911736-03436-0
2026-04-05 1200Z2761136-03436-0
2026-04-05 0600Z2501136-03936-0
2026-04-05 0000Z247236-03736-0
2026-04-04 1800Z991536-03436-0
2026-04-04 1200Z971933-03433-0
2026-04-04 0600Z751227-03527-0
2026-04-04 0000Z320831-03731-0
2026-04-03 1800Z2861535-04035-0
2026-04-03 1200Z2631236-04936-0
2026-04-03 0600Z178736-04336-0
2026-04-03 0000Z1081536-03436-0
2026-04-02 1800Z90436-03236-0
2026-04-02 1200Z851936-03236-0
2026-04-02 0600Z831736-03236-0
2026-04-02 0000Z68636-02936-0
2026-04-01 1800Z39836-02636-0
2026-04-01 1200Z358836-02736-0
2026-04-01 0600Z330936-03236-0
2026-04-01 0000Z348633-03333-0
2026-03-31 1800Z58636-03536-0
2026-03-31 1200Z58936-03836-0
2026-03-31 0600Z69836-03936-0
2026-03-31 0000Z74436-04136-0
2026-03-30 1800Z120436-04536-0
2026-03-30 1200Z278536-04836-0
2026-03-30 0600Z204236-04236-0
2026-03-30 0000Z156436-04036-0
2026-03-29 1800Z123727-04016-0
2026-03-29 1200Z189234-03334-0
2026-03-29 0600Z190636-03236-0
2026-03-29 0000Z234536-03536-0
2026-03-28 1800Z2631136-03236-0
2026-03-28 1200Z282836-02336-0
2026-03-28 0600Z300836-02336-0
2026-03-28 0000Z178636-02536-0
2026-03-27 1800Z116636-02236-0
2026-03-27 1200Z35736-01936-0
2026-03-27 0600Z91136-02236-0
2026-03-27 0000Z3521036-03136-0
2026-03-26 1800Z318536-03836-0
2026-03-26 1200Z219136-03436-0
2026-03-26 0600Z318436-03836-0
2026-03-26 0000Z141436-03736-0
2026-03-25 1800Z1391536-03536-0
2026-03-25 1200Z112736-03236-0
2026-03-25 0600Z72136-03136-0
2026-03-25 0000Z300536-03936-0
2026-03-24 1800Z2611236-03836-0
2026-03-24 1200Z225836-02636-0
2026-03-24 0600Z241436-02336-0
2026-03-24 0000Z326636-02936-0
2026-03-23 1800Z3281336-02736-0
2026-03-23 1200Z343736-02636-0
2026-03-23 0600Z23936-02936-0
2026-03-23 0000Z21936-03236-0
2026-03-22 1800Z3581036-03336-0
2026-03-22 1200Z329836-03636-0
2026-03-22 0600Z160334-03434-0
2026-03-22 0000Z1501534-03334-0
2026-03-21 1800Z1371135-03235-0
2026-03-21 1200Z10236-03336-0
2026-03-21 0600Z310236-03336-0
2026-03-21 0000Z328436-03436-0
2026-03-20 1800Z353636-03536-0
2026-03-20 1200Z146536-03336-0
2026-03-20 0600Z1481236-03136-0
2026-03-20 0000Z38236-03236-0
2026-03-19 1800Z332536-03436-0
2026-03-19 1200Z301136-03036-0
2026-03-19 0600Z219036-02836-0
2026-03-19 0000Z201136-02636-0
2026-03-18 1800Z182134-02534-0
2026-03-18 1200Z195136-01736-0
2026-03-18 0600Z216036-01536-0
2026-03-18 0000Z290036-01636-0
2026-03-17 1800Z30504-0174-0
2026-03-17 0600Z29618-0-0-0
2026-03-17 0000Z302111-0-0-0
2026-03-16 0600Z3018-0318-0
2026-03-16 0000Z62836-03136-0
2026-03-15 1800Z872836-03036-0
2026-03-15 1200Z971936-02836-0
2026-03-15 0600Z1351336-02936-0
2026-03-15 0000Z1341036-02836-0
2026-03-14 1800Z309436-02636-0
2026-03-14 1200Z3121036-02136-0
2026-03-14 0600Z3181336-02336-0
2026-03-14 0000Z335836-03136-0
2026-03-13 1800Z1411836-03336-0
2026-03-13 1200Z1302736-03136-0
2026-03-13 0600Z151136-02736-0
2026-03-13 0000Z286036-02736-0
2026-03-12 1800Z299136-02836-0
2026-03-12 1200Z292136-02436-0
2026-03-12 0600Z301236-02636-0
2026-03-12 0000Z298136-02736-0
2026-03-11 1800Z351136-03036-0
2026-03-11 1200Z69136-03036-0
2026-03-11 0600Z62636-02936-0
2026-03-11 0000Z511136-03236-0
2026-03-10 1800Z25835-03635-0
2026-03-10 1200Z21736-03636-0
2026-03-10 0600Z334436-03836-0
2026-03-10 0000Z351636-04536-0
2026-03-09 1800Z2541236-06235-0
2026-03-09 1200Z2311536-04936-0
2026-03-09 0600Z2181036-04736-0
2026-03-09 0000Z239936-04936-0
2026-03-08 1800Z2461636-04536-0
2026-03-08 1200Z2171036-03536-0
2026-03-08 0600Z281936-03336-0
2026-03-08 0000Z2921336-03621-0
2026-03-07 1800Z2401236-05634-0
2026-03-07 1200Z187936-04736-0
2026-03-07 0600Z128136-03736-0
2026-03-07 0000Z1341136-03436-0
2026-03-06 1800Z1391536-03336-0
2026-03-06 1200Z1341036-03336-0
2026-03-06 0600Z106936-03436-0
2026-03-06 0000Z85918-03418-0

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 APNM4 station page