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
2024-03-29 0600Z2951823-03223-0
2024-03-29 0000Z2851736-03036-0
2024-03-28 1800Z2722036-02836-0
2024-03-28 1200Z2441336-02536-0
2024-03-28 0600Z2311336-02736-0
2024-03-28 0000Z2441336-03036-0
2024-03-27 1800Z2511536-02836-0
2024-03-27 1200Z2501536-02836-0
2024-03-27 0600Z2792036-03236-0
2024-03-27 0000Z1821836-04936-0
2024-03-26 1800Z1782036-04836-0
2024-03-26 1200Z1351536-04036-0
2024-03-26 0600Z1471836-04136-0
2024-03-26 0000Z1321636-04136-0
2024-03-25 1800Z1111236-03936-0
2024-03-25 1200Z1161136-03136-0
2024-03-25 0600Z1381136-02936-0
2024-03-25 0000Z1391236-02936-0
2024-03-24 1800Z1661136-03036-0
2024-03-24 1200Z156736-02036-0
2024-03-24 0600Z199636-01936-0
2024-03-24 0000Z329836-02236-0
2024-03-23 1800Z3331536-02236-0
2024-03-23 1200Z241136-02336-0
2024-03-23 0600Z3381436-02736-0
2024-03-23 0000Z3351536-02736-0
2024-03-22 1800Z271936-02736-0
2024-03-22 1200Z180836-02136-0
2024-03-22 0600Z152736-01936-0
2024-03-22 0000Z317236-02236-0
2024-03-21 1800Z3161136-02136-0
2024-03-21 1200Z3561436-02036-0
2024-03-21 0600Z3541836-02036-0
2024-03-21 0000Z3262536-02036-0
2024-03-20 1800Z3412736-02036-0
2024-03-20 1200Z3412936-02136-0
2024-03-20 0600Z3323136-02436-0
2024-03-20 0000Z3282736-02936-0
2024-03-19 1800Z3092236-03236-0
2024-03-19 1200Z2161236-02836-0
2024-03-19 0600Z2121036-02536-0
2024-03-19 0000Z2881436-02636-0
2024-03-18 1800Z3321636-02336-0
2024-03-18 1200Z11636-02436-0
2024-03-18 0600Z162136-02836-0
2024-03-18 0000Z3442436-02836-0
2024-03-17 1800Z3212536-02536-0
2024-03-17 1200Z3162936-02736-0
2024-03-17 0600Z3182736-03136-0
2024-03-17 0000Z2912836-03536-0
2024-03-16 1800Z2832536-03836-0
2024-03-16 1200Z2131136-04036-0
2024-03-16 0600Z2011736-03936-0
2024-03-16 0000Z178536-03836-0
2024-03-15 1800Z313736-03436-0
2024-03-15 1200Z271136-03236-0
2024-03-15 0600Z261536-03536-0
2024-03-15 0000Z3431136-03636-0
2024-03-14 1800Z281136-03536-0
2024-03-14 1200Z33436-03636-0
2024-03-14 0600Z277536-03836-0
2024-03-14 0000Z273636-03836-0
2024-03-13 1800Z2761036-04036-0
2024-03-13 1200Z2701036-03836-0
2024-03-13 0600Z2711336-03936-0
2024-03-13 0000Z2671136-04736-0
2024-03-12 1800Z1641336-05336-0
2024-03-12 1200Z164936-03936-0
2024-03-12 0600Z159236-03636-0
2024-03-12 0000Z270336-04136-0
2024-03-11 1800Z1991336-04736-0
2024-03-11 1200Z2061136-03136-0
2024-03-11 0600Z268836-03336-0
2024-03-11 0000Z3172136-03436-0
2024-03-10 1800Z3412536-03136-0
2024-03-10 1200Z12636-02836-0
2024-03-10 0600Z82336-02836-0
2024-03-10 0000Z3502536-03036-0
2024-03-09 1800Z3551836-03136-0
2024-03-09 1200Z161536-03536-0
2024-03-09 0600Z3201136-03536-0
2024-03-09 0000Z346936-03536-0
2024-03-08 1800Z291536-03636-0
2024-03-08 1200Z190536-03736-0
2024-03-08 0600Z167836-03636-0
2024-03-08 0000Z166836-04436-0
2024-03-07 1800Z1511636-04536-0
2024-03-07 1200Z1411336-03436-0
2024-03-07 0600Z126536-03136-0
2024-03-07 0000Z115236-03636-0
2024-03-06 1800Z63636-03636-0
2024-03-06 1200Z8336-03436-0
2024-03-06 0600Z353836-03436-0
2024-03-06 0000Z347936-03336-0
2024-03-05 1800Z41036-03436-0
2024-03-05 1200Z3581336-03636-0
2024-03-05 0600Z297236-03536-0
2024-03-05 0000Z30336-03836-0
2024-03-04 1800Z282336-04936-0
2024-03-04 1200Z193936-04436-0
2024-03-04 0600Z1622236-04536-0
2024-03-04 0000Z1492636-04736-0
2024-03-03 1800Z1441536-04836-0
2024-03-03 1200Z1441336-03536-0
2024-03-03 0600Z151936-03836-0
2024-03-03 0000Z1891636-04436-0
2024-03-02 1800Z1911036-04636-0
2024-03-02 1200Z2091736-03636-0
2024-03-02 0600Z2111836-03836-0
2024-03-02 0000Z1982236-04136-0
2024-03-01 1800Z1921736-04336-0
2024-03-01 1200Z1951836-03036-0
2024-03-01 0600Z120836-01936-0
2024-03-01 0000Z210130-01730-0
2024-02-29 1800Z2861330-01530-0
2024-02-29 1200Z3202036-01436-0
2024-02-29 0600Z3152736-01536-0
2024-02-29 0000Z309287-0157-0
2024-02-28 1800Z3493511-01511-0
2024-02-28 1200Z3403525-01425-0
2024-02-28 0600Z3232617-02617-0
2024-02-28 0000Z260636-04536-0
2024-02-27 1800Z134436-04536-0
2024-02-27 1200Z130936-03636-0
2024-02-27 0600Z133536-03836-0
2024-02-27 0000Z1691736-04136-0
2024-02-26 1800Z1661836-03536-0
2024-02-26 1200Z118636-02936-0
2024-02-26 0600Z3511136-03436-0
2024-02-26 0000Z2931636-03636-0
2024-02-25 1800Z2531236-03636-0
2024-02-25 1200Z2071736-02936-0
2024-02-25 0600Z2141736-02936-0
2024-02-25 0000Z2021936-02736-0
2024-02-24 1800Z2141236-02536-0
2024-02-24 1200Z292736-02236-0
2024-02-24 0600Z3591136-02036-0
2024-02-24 0000Z01536-01536-0
2024-02-23 1800Z321736-01136-0
2024-02-23 1200Z272336-01736-0
2024-02-23 0600Z3321736-03536-0
2024-02-23 0000Z264536-03936-0
2024-02-22 1800Z295636-03636-0
2024-02-22 1200Z225236-03136-0
2024-02-22 0600Z255436-03336-0
2024-02-22 0000Z270336-03636-0
2024-02-21 1800Z2801136-03736-0
2024-02-21 1200Z228936-03636-0
2024-02-21 0600Z1871736-03836-0
2024-02-21 0000Z1811936-03836-0
2024-02-20 1800Z1771536-03436-0
2024-02-20 1200Z126736-01936-0
2024-02-20 0600Z144836-02036-0
2024-02-20 0000Z55536-02536-0
2024-02-19 1800Z24436-02636-0
2024-02-19 1200Z132536-02136-0
2024-02-19 0600Z20736-02336-0
2024-02-19 0000Z3312036-02336-0
2024-02-18 1800Z3432736-02436-0
2024-02-18 1200Z3191736-02836-0
2024-02-18 0600Z2951936-02936-0
2024-02-18 0000Z2171636-02036-0
2024-02-17 1800Z2211436-01736-0
2024-02-17 1200Z3101436-01736-0
2024-02-17 0600Z3492036-01736-0
2024-02-17 0000Z3481936-01936-0
2024-02-16 1800Z71336-02036-0
2024-02-16 1200Z3312036-02136-0
2024-02-16 0600Z3292636-02336-0
2024-02-16 0000Z3223036-02736-0
2024-02-15 1800Z3282436-03036-0
2024-02-15 1200Z355536-03136-0
2024-02-15 0600Z208536-03236-0
2024-02-15 0000Z2031136-03336-0
2024-02-14 1800Z1931436-02836-0
2024-02-14 1200Z215736-02136-0
2024-02-14 0600Z323636-02336-0
2024-02-14 0000Z345936-02236-0
2024-02-13 1800Z161336-02436-0
2024-02-13 1200Z371736-02736-0
2024-02-13 0600Z3551536-03036-0
2024-02-13 0000Z31618-03218-0

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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