Station GRMM4 - Search and Rescue Data

Grand Marais, MI
46.684 N 85.972 W (46°41'2" N 85°58'19" 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
2024-05-30 0000Z2801036-04936-0
2024-05-29 1800Z340836-04536-0
2024-05-29 1200Z371236-04536-0
2024-05-29 0600Z30836-04836-0
2024-05-29 0000Z2761436-04636-0
2024-05-28 1800Z2781636-04636-0
2024-05-28 1200Z2761336-04836-0
2024-05-28 0600Z2801136-04936-0
2024-05-28 0000Z2781436-04836-0
2024-05-27 1800Z306436-04836-0
2024-05-27 1200Z461430-04930-0
2024-05-27 0600Z871236-05136-0
2024-05-27 0000Z84936-05636-0
2024-05-26 1800Z154736-06725-0
2024-05-26 1200Z2031336-06036-0
2024-05-26 0600Z2021836-05736-0
2024-05-26 0000Z1571236-05630-0
2024-05-25 1800Z791136-05036-0
2024-05-25 1200Z186636-05036-0
2024-05-25 0600Z1481936-05336-0
2024-05-25 0000Z1071436-05336-0
2024-05-24 1800Z821636-04536-0
2024-05-24 1200Z40536-04336-0
2024-05-24 0600Z339536-04536-0
2024-05-24 0000Z290236-04936-0
2024-05-23 1800Z2731136-04636-0
2024-05-23 1200Z2671736-05036-0
2024-05-23 0600Z2521336-05136-0
2024-05-23 0000Z2641536-05531-0
2024-05-22 1800Z2301336-06631-0
2024-05-22 1200Z1901736-06436-0
2024-05-22 0600Z1511736-06436-0
2024-05-22 0000Z96736-05336-0
2024-05-21 1800Z78836-05236-0
2024-05-21 1200Z331136-04936-0
2024-05-21 0600Z81136-04836-0
2024-05-21 0000Z91336-05636-0
2024-05-20 1800Z161536-06136-0
2024-05-20 1200Z181836-06136-0
2024-05-20 0600Z179436-06036-0
2024-05-20 0000Z253436-06436-0
2024-05-19 1800Z2721036-05936-0
2024-05-19 1200Z2691536-05336-0
2024-05-19 0600Z2301436-06436-0
2024-05-19 0000Z1852036-07236-0
2024-05-18 1800Z1911836-07536-0
2024-05-18 1200Z183636-06036-0
2024-05-18 0600Z174336-05936-0
2024-05-18 0000Z931036-05536-0
2024-05-17 1800Z75636-04936-0
2024-05-17 1200Z284236-05036-0
2024-05-17 0600Z213636-05336-0
2024-05-17 0000Z1711236-05836-0
2024-05-16 1800Z1701436-06534-0
2024-05-16 1200Z109236-04633-0
2024-05-16 0600Z161236-04436-0
2024-05-16 0000Z303236-04636-0
2024-05-15 1800Z50636-04436-0
2024-05-15 1200Z81536-04236-0
2024-05-15 0600Z312436-04236-0
2024-05-15 0000Z313736-04036-0
2024-05-14 1800Z16936-04136-0
2024-05-14 1200Z491236-04136-0
2024-05-14 0600Z359736-04236-0
2024-05-14 0000Z2931136-04136-0
2024-05-13 1800Z2891336-04236-0
2024-05-13 1200Z2811436-04336-0
2024-05-13 0600Z287336-05136-0
2024-05-13 0000Z2011736-06036-0
2024-05-12 1800Z1922436-05736-0
2024-05-12 1200Z2001736-04936-0
2024-05-12 0600Z199736-04536-0
2024-05-12 0000Z274936-04536-0
2024-05-11 1800Z2851436-04236-0
2024-05-11 1200Z299736-04236-0
2024-05-11 0600Z98124-04624-0
2024-05-11 0000Z86724-04624-0
2024-05-10 1800Z294836-04236-0
2024-05-10 1200Z286836-04136-0
2024-05-10 0600Z291836-04236-0
2024-05-10 0000Z340936-04336-0
2024-05-09 1800Z36936-04336-0
2024-05-09 1200Z811236-04236-0
2024-05-09 0600Z79536-04436-0
2024-05-09 0000Z283736-04436-0
2024-05-08 1800Z334336-04536-0
2024-05-08 1200Z24636-04436-0
2024-05-08 0600Z65636-04736-0
2024-05-08 0000Z1301236-06036-0
2024-05-07 1800Z1171636-05825-0
2024-05-07 1200Z157936-05531-0
2024-05-07 0600Z165936-05336-0
2024-05-07 0000Z951036-05236-0
2024-05-06 1800Z831036-04736-0
2024-05-06 1200Z79236-04636-0
2024-05-06 0600Z194536-04836-0
2024-05-06 0000Z268236-05036-0
2024-05-05 1800Z275936-04436-0
2024-05-05 1200Z2751736-04136-0
2024-05-05 0600Z2761936-04136-0
2024-05-05 0000Z229936-05935-0
2024-05-04 1800Z1721536-06936-0
2024-05-04 1200Z1951236-05536-0
2024-05-04 0600Z1981636-05336-0
2024-05-04 0000Z148836-05735-0
2024-05-03 1800Z55236-04836-0
2024-05-03 1200Z2571036-04736-0
2024-05-03 0600Z123936-04736-0
2024-05-03 0000Z891336-04136-0
2024-05-02 1800Z751036-04036-0
2024-05-02 1200Z304436-04036-0
2024-05-02 0600Z280936-04136-0
2024-05-02 0000Z2741136-04236-0
2024-05-01 1800Z2831036-04236-0
2024-05-01 1200Z1151036-04336-0
2024-05-01 0600Z128636-04136-0
2024-05-01 0000Z94330-04130-0
2024-04-30 1800Z2791236-04036-0
2024-04-30 1200Z258936-04436-0
2024-04-30 0600Z102336-04336-0
2024-04-30 0000Z1231036-04336-0
2024-04-29 1800Z1261236-04236-0
2024-04-29 1200Z1221836-04036-0
2024-04-29 0600Z952136-04036-0
2024-04-29 0000Z811736-04036-0
2024-04-28 1800Z411636-03836-0
2024-04-28 1200Z141336-03936-0
2024-04-28 0600Z2961636-04036-0
2024-04-28 0000Z2651936-05336-0
2024-04-27 1800Z1841936-05736-0
2024-04-27 1200Z1662136-04936-0
2024-04-27 0600Z1461736-04836-0
2024-04-27 0000Z1371736-05336-0
2024-04-26 1800Z1711936-05436-0
2024-04-26 1200Z1731236-04136-0
2024-04-26 0600Z1691436-03936-0
2024-04-26 0000Z123836-04436-0
2024-04-25 1800Z771336-03936-0
2024-04-25 1200Z94336-03036-0
2024-04-25 0600Z172336-02736-0
2024-04-25 0000Z4336-02936-0
2024-04-24 1800Z33636-02636-0
2024-04-24 1200Z531736-02736-0
2024-04-24 0600Z322636-03136-0
2024-04-24 0000Z112736-03436-0
2024-04-23 1800Z2821936-04236-0
2024-04-23 1200Z2171236-04836-0
2024-04-23 0600Z2061636-05036-0
2024-04-23 0000Z2001936-05736-0
2024-04-22 1800Z2331336-05836-0
2024-04-22 1200Z2111936-04236-0
2024-04-22 0600Z189836-03436-0
2024-04-22 0000Z353336-03736-0
2024-04-21 1800Z3061536-03836-0
2024-04-21 1200Z2701836-03836-0
2024-04-21 0600Z2531436-03736-0
2024-04-21 0000Z2871836-03736-0
2024-04-20 1800Z3002336-03436-0
2024-04-20 1200Z2962536-03536-0
2024-04-20 0600Z2802436-03736-0
2024-04-20 0000Z2891836-03836-0
2024-04-19 1800Z2861736-03836-0
2024-04-19 1200Z2791536-03936-0
2024-04-19 0600Z2631336-04236-0
2024-04-19 0000Z201936-04936-0
2024-04-18 1800Z280636-04436-0
2024-04-18 1200Z2811936-03936-0
2024-04-18 0600Z2761236-04036-0
2024-04-18 0000Z1351536-04336-0
2024-04-17 1800Z1322536-04436-0
2024-04-17 1200Z1322636-04336-0
2024-04-17 0600Z1252036-04736-0
2024-04-17 0000Z1031636-04436-0
2024-04-16 1800Z851736-04036-0
2024-04-16 1200Z101436-03736-0
2024-04-16 0600Z273736-04136-0
2024-04-16 0000Z2751036-04236-0
2024-04-15 1800Z2761236-04036-0
2024-04-15 1200Z264636-04236-0
2024-04-15 0600Z270536-04236-0
2024-04-15 0000Z2631018-04118-0

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)

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