Station OTNM4 - Search and Rescue Data

Ontonagon, MI
46.870 N 89.330 W (46°52'12" N 89°19'48" W)

For Great Lakes marine forecasts, select: GREAT LAKES FORECASTS

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
2024-12-05 0000Z3492036-01936-0
2024-12-04 1800Z3421835-02736-0
2024-12-04 1200Z307935-03036-0
2024-12-04 0600Z233635-02536-0
2024-12-04 0000Z205636-02436-0
2024-12-03 1800Z233635-02335-0
2024-12-03 1200Z241736-02236-0
2024-12-03 0600Z3141036-02735-0
2024-12-03 0000Z347735-02936-0
2024-12-02 1800Z23936-03035-0
2024-12-02 1200Z14936-03036-0
2024-12-02 0600Z360734-02936-0
2024-12-02 0000Z324936-02834-0
2024-12-01 1800Z328834-02736-0
2024-12-01 1200Z3161236-02635-0
2024-12-01 0600Z3241335-02634-0
2024-12-01 0000Z3181629-02430-0
2024-11-30 1800Z2851135-01834-0
2024-11-30 1200Z2941336-02036-0
2024-11-30 0600Z3191835-02536-0
2024-11-30 0000Z3201934-02636-0
2024-11-29 1800Z3261935-02736-0
2024-11-29 1200Z3351935-02736-0
2024-11-29 0600Z3411736-02736-0
2024-11-29 0000Z3331535-02835-0
2024-11-28 1800Z3321335-02836-0
2024-11-28 1200Z3541234-02836-0
2024-11-28 0600Z01236-03035-0
2024-11-28 0000Z352936-03136-0
2024-11-27 1800Z349736-03135-0
2024-11-27 1200Z321936-03135-0
2024-11-27 0600Z3201036-02936-0
2024-11-27 0000Z3071135-02935-0
2024-11-26 1800Z3161736-02735-0
2024-11-26 1200Z3111736-02636-0
2024-11-26 0600Z3011836-03036-0
2024-11-26 0000Z251236-03436-0
2024-11-25 1800Z161036-03336-0
2024-11-25 1200Z129135-03135-0
2024-11-25 0600Z128435-03236-0
2024-11-25 0000Z112433-03236-0
2024-11-24 1800Z122536-03336-0
2024-11-24 1200Z123332-03336-0
2024-11-24 0600Z26434-03535-0
2024-11-24 0000Z334836-03636-0
2024-11-23 1800Z3251035-03836-0
2024-11-23 1200Z331935-03836-0
2024-11-23 0600Z3311036-03931-0
2024-11-23 0000Z3301036-04235-0
2024-11-22 1800Z356835-04234-0
2024-11-22 1200Z171135-04225-0
2024-11-22 0600Z281135-04236-0
2024-11-22 0000Z281136-04436-0
2024-11-21 1800Z401436-04436-0
2024-11-21 1200Z71936-04335-0
2024-11-21 0600Z3481436-04020-0
2024-11-21 0000Z344834-04025-0
2024-11-20 1800Z236431-04335-0
2024-11-20 1200Z220435-04228-0
2024-11-20 0600Z242534-04636-0
2024-11-20 0000Z250635-05335-0
2024-11-19 1800Z1651136-05235-0
2024-11-19 1200Z1501336-04836-0
2024-11-19 0600Z1531035-04735-0
2024-11-19 0000Z167635-05135-0
2024-11-18 1800Z190334-05235-0
2024-11-18 1200Z182433-03634-0
2024-11-18 0600Z233335-04135-0
2024-11-18 0000Z283634-04536-0
2024-11-17 1800Z2881236-04836-0
2024-11-17 1200Z211636-04835-0
2024-11-17 0600Z2071136-04936-0
2024-11-17 0000Z1891436-04834-0
2024-11-16 1800Z1871035-04936-0
2024-11-16 1200Z187635-03834-0
2024-11-16 0600Z190434-03535-0
2024-11-16 0000Z192136-04036-0
2024-11-15 1800Z310436-04736-0
2024-11-15 1200Z232235-04435-0
2024-11-15 0600Z222136-04436-0
2024-11-15 0000Z105135-04636-0
2024-11-14 1800Z57534-04836-0
2024-11-14 1200Z178136-03836-0
2024-11-14 0600Z163234-04234-0
2024-11-14 0000Z154435-04636-0
2024-11-13 1800Z195835-04735-0
2024-11-13 1200Z192735-04032-0
2024-11-13 0600Z186536-03836-0
2024-11-13 0000Z177436-04130-0
2024-11-12 1800Z198736-04234-0
2024-11-12 1200Z184235-02934-0
2024-11-12 0600Z188235-03236-0
2024-11-12 0000Z43834-03935-0
2024-11-11 1800Z151836-03936-0
2024-11-11 1200Z3222435-04333-0
2024-11-11 0600Z270634-04835-0
2024-11-11 0000Z314735-04735-0
2024-11-10 1800Z2134-04735-0
2024-11-10 1200Z115133-04636-0
2024-11-10 0600Z170235-04736-0
2024-11-10 0000Z193436-04935-0
2024-11-09 1800Z206736-04836-0
2024-11-09 1200Z189335-03534-0
2024-11-09 0600Z191434-03336-0
2024-11-09 0000Z252134-03835-0
2024-11-08 1800Z6735-04536-0
2024-11-08 1200Z3261236-04736-0
2024-11-08 0600Z2881134-04836-0
2024-11-08 0000Z274736-04836-0
2024-11-07 1800Z2951134-04635-0
2024-11-07 1200Z259435-04232-0
2024-11-07 0600Z225435-04019-0
2024-11-07 0000Z287335-04535-0
2024-11-06 1800Z307834-04736-0
2024-11-06 1200Z351335-04435-0
2024-11-06 0600Z48735-04535-0
2024-11-06 0000Z74535-04535-0
2024-11-05 1800Z82535-04736-0
2024-11-05 1200Z33636-04836-0
2024-11-05 0600Z313534-05034-0
2024-11-05 0000Z299635-05236-0
2024-11-04 1800Z209236-05536-0
2024-11-04 1200Z183436-05036-0
2024-11-04 0600Z176434-04835-0
2024-11-04 0000Z137636-04535-0
2024-11-03 1800Z1751035-04933-0
2024-11-03 1200Z180536-04232-0
2024-11-03 0600Z196236-04235-0
2024-11-03 0000Z202535-05235-0
2024-11-02 1800Z202636-05612-0
2024-11-02 1200Z188534-0-0-0
2024-11-02 0600Z193536-0-0-0
2024-11-02 0000Z150236-0-0-0
2024-11-01 1800Z162135-0-0-0
2024-11-01 1200Z36535-0-0-0
2024-11-01 0600Z38935-0-0-0
2024-11-01 0000Z421331-0242-0
2024-10-31 1800Z95634-0-0-0
2024-10-31 1200Z106535-0-0-0
2024-10-31 0600Z96533-0-0-0
2024-10-31 0000Z55735-0-0-0
2024-10-30 1800Z36835-0-0-0
2024-10-30 1200Z45535-0-0-0
2024-10-30 0600Z216636-06836-0
2024-10-30 0000Z81135-05736-0
2024-10-29 1800Z152336-06435-0
2024-10-29 1200Z191636-06035-0
2024-10-29 0600Z208836-06335-0
2024-10-29 0000Z1981434-06735-0
2024-10-28 1800Z1991134-06334-0
2024-10-28 1200Z186736-04635-0
2024-10-28 0600Z176735-04635-0
2024-10-28 0000Z119436-05034-0
2024-10-27 1800Z344234-05434-0
2024-10-27 1200Z211536-05036-0
2024-10-27 0600Z200335-04436-0
2024-10-27 0000Z248236-04427-0
2024-10-26 1800Z312936-04836-0
2024-10-26 1200Z345936-04636-0
2024-10-26 0600Z3571436-04735-0
2024-10-26 0000Z3331236-05236-0
2024-10-25 1800Z3131235-05135-0
2024-10-25 1200Z332736-04936-0
2024-10-25 0600Z232236-04836-0
2024-10-25 0000Z270436-05836-0
2024-10-24 1800Z276635-06136-0
2024-10-24 1200Z198536-04534-0
2024-10-24 0600Z210436-03935-0
2024-10-24 0000Z269435-04330-0
2024-10-23 1800Z332936-04635-0
2024-10-23 1200Z11436-04736-0
2024-10-23 0600Z3221536-05336-0
2024-10-23 0000Z276536-06527-0
2024-10-22 1800Z235435-07234-0
2024-10-22 1200Z204436-06636-0
2024-10-22 0600Z223834-07335-0
2024-10-22 0000Z211336-06734-0
2024-10-21 1800Z52336-06436-0
2024-10-21 1200Z201236-05236-0
2024-10-21 0600Z206335-05234-0
2024-10-21 0000Z182218-05517-0

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 all available SAR data (up to 45 days)

Display OTNM4 station page