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
2023-06-10 0600Z115317-05717-0
2023-06-10 0000Z230036-06036-0
2023-06-09 1800Z277836-05736-0
2023-06-09 1200Z277636-05236-0
2023-06-09 0600Z277636-05136-0
2023-06-09 0000Z2751036-05236-0
2023-06-08 1800Z2841236-04836-0
2023-06-08 1200Z287836-04736-0
2023-06-08 0600Z2891136-04936-0
2023-06-08 0000Z2801336-05036-0
2023-06-07 1800Z303536-04836-0
2023-06-07 1200Z40236-04836-0
2023-06-07 0600Z282836-04836-0
2023-06-07 0000Z2811036-05036-0
2023-06-06 1800Z18336-04836-0
2023-06-06 1200Z80536-04936-0
2023-06-06 0600Z79536-05036-0
2023-06-06 0000Z286936-05136-0
2023-06-05 1800Z330336-05336-0
2023-06-05 1200Z305436-05236-0
2023-06-05 0600Z5036-05836-0
2023-06-05 0000Z94736-06536-0
2023-06-04 1800Z71236-06436-0
2023-06-04 1200Z109236-05736-0
2023-06-04 0600Z236136-05336-0
2023-06-04 0000Z318136-05836-0
2023-06-03 1800Z312236-05336-0
2023-06-03 1200Z280336-05036-0
2023-06-03 0600Z281336-05636-0
2023-06-03 0000Z76436-06036-0
2023-06-02 1800Z45336-06036-0
2023-06-02 1200Z77136-05836-0
2023-06-02 0600Z353136-05636-0
2023-06-02 0000Z63336-05836-0
2023-06-01 1800Z811636-06236-0
2023-06-01 1200Z174636-06636-0
2023-06-01 0600Z187936-07136-0
2023-06-01 0000Z165930-07730-0
2023-05-31 1800Z94636-07418-0
2023-05-31 1200Z2031436-07136-0
2023-05-31 0600Z1971436-06836-0
2023-05-31 0000Z183836-07019-0
2023-05-30 1800Z67936-05925-0
2023-05-30 1200Z205936-06536-0
2023-05-30 0600Z198836-06536-0
2023-05-30 0000Z95836-06536-0
2023-05-29 1800Z76636-05736-0
2023-05-29 1200Z122136-05436-0
2023-05-29 0600Z116236-05236-0
2023-05-29 0000Z96436-05936-0
2023-05-28 1800Z303336-05636-0
2023-05-28 1200Z251536-06036-0
2023-05-28 0600Z222236-05936-0
2023-05-28 0000Z100936-06236-0
2023-05-27 1800Z45336-06036-0
2023-05-27 1200Z217936-06036-0
2023-05-27 0600Z2111136-05636-0
2023-05-27 0000Z102736-05936-0
2023-05-26 1800Z43236-05636-0
2023-05-26 1200Z240336-05336-0
2023-05-26 0600Z191436-05236-0
2023-05-26 0000Z96736-04936-0
2023-05-25 1800Z73935-04535-0
2023-05-25 1200Z105536-04436-0
2023-05-25 0600Z134336-03936-0
2023-05-25 0000Z319336-04036-0
2023-05-24 1800Z211336-03836-0
2023-05-24 1200Z421536-04036-0
2023-05-24 0600Z381736-04336-0
2023-05-24 0000Z58436-04832-0
2023-05-23 1800Z268836-06928-0
2023-05-23 1200Z2121736-06136-0
2023-05-23 0600Z2031936-05936-0
2023-05-23 0000Z1941536-06836-0
2023-05-22 1800Z193536-05920-0
2023-05-22 1200Z107336-04736-0
2023-05-22 0600Z277436-04436-0
2023-05-22 0000Z293336-04636-0
2023-05-21 1800Z31236-04436-0
2023-05-21 1200Z293736-04536-0
2023-05-21 0600Z2681736-05536-0
2023-05-21 0000Z2671536-05236-0
2023-05-20 1800Z2731236-04636-0
2023-05-20 1200Z3371236-04036-0
2023-05-20 0600Z71636-04236-0
2023-05-20 0000Z296836-04036-0
2023-05-19 1800Z2841136-04336-0
2023-05-19 1200Z195436-04836-0
2023-05-19 0600Z2201136-05136-0
2023-05-19 0000Z1982536-05836-0
2023-05-18 1800Z1932536-05836-0
2023-05-18 1200Z1891736-04536-0
2023-05-18 0600Z168936-04136-0
2023-05-18 0000Z88636-03836-0
2023-05-17 1800Z54936-03636-0
2023-05-17 1200Z731436-03536-0
2023-05-17 0600Z491436-03836-0
2023-05-17 0000Z3081136-04036-0
2023-05-16 1800Z181536-04136-0
2023-05-16 1200Z2801436-05136-0
2023-05-16 0600Z2511536-06236-0
2023-05-16 0000Z2601336-06336-0
2023-05-15 1800Z2671436-05636-0
2023-05-15 1200Z262836-04936-0
2023-05-15 0600Z237236-04136-0
2023-05-15 0000Z279436-04536-0
2023-05-14 1800Z71836-04536-0
2023-05-14 1200Z91736-04436-0
2023-05-14 0600Z105336-04536-0
2023-05-14 0000Z283736-04636-0
2023-05-13 1800Z63536-04636-0
2023-05-13 1200Z101436-04536-0
2023-05-13 0600Z280636-04636-0
2023-05-13 0000Z279536-04936-0
2023-05-12 1800Z79636-04736-0
2023-05-12 1200Z85736-04735-0
2023-05-12 0600Z120436-06027-0
2023-05-12 0000Z93436-06030-0
2023-05-11 1800Z282936-06335-0
2023-05-11 1200Z2131036-06036-0
2023-05-11 0600Z188536-05836-0
2023-05-11 0000Z89336-04836-0
2023-05-10 1800Z286436-04836-0
2023-05-10 1200Z236436-05336-0
2023-05-10 0600Z149236-05036-0
2023-05-10 0000Z90436-04836-0
2023-05-09 1800Z290536-04236-0
2023-05-09 1200Z274636-04136-0
2023-05-09 0600Z274536-04236-0
2023-05-09 0000Z145036-04836-0
2023-05-08 1800Z72836-04236-0
2023-05-08 1200Z60336-04036-0
2023-05-08 0600Z262236-04136-0
2023-05-08 0000Z84636-04436-0
2023-05-07 1800Z861536-04236-0
2023-05-07 1200Z861236-04336-0
2023-05-07 0600Z1381436-05036-0
2023-05-07 0000Z1321236-05636-0
2023-05-06 1800Z114636-05236-0
2023-05-06 1200Z1361336-04736-0
2023-05-06 0600Z1061136-04536-0
2023-05-06 0000Z1381536-04836-0
2023-05-05 1800Z1311736-04736-0
2023-05-05 1200Z1351436-04636-0
2023-05-05 0600Z134936-04836-0
2023-05-05 0000Z971036-04536-0
2023-05-04 1800Z65636-03936-0
2023-05-04 1200Z89236-03636-0
2023-05-04 0600Z256336-03536-0
2023-05-04 0000Z2841036-03536-0
2023-05-03 1800Z3061436-03536-0
2023-05-03 1200Z3291436-03636-0
2023-05-03 0600Z3501436-03736-0
2023-05-03 0000Z22036-03936-0
2023-05-02 1800Z3492836-03636-0
2023-05-02 1200Z3473130-03430-0
2023-05-02 0600Z3402936-03536-0
2023-05-02 0000Z3363036-03436-0
2023-05-01 1800Z3473136-03536-0
2023-05-01 1200Z62636-03636-0
2023-05-01 0600Z358830-03830-0
2023-05-01 0000Z276931-03931-0
2023-04-30 1800Z77436-04036-0
2023-04-30 1200Z168636-04136-0
2023-04-30 0600Z92536-04136-0
2023-04-30 0000Z85636-04136-0
2023-04-29 1800Z89936-04336-0
2023-04-29 1200Z133936-04636-0
2023-04-29 0600Z102436-03836-0
2023-04-29 0000Z92636-04036-0
2023-04-28 1800Z79936-03836-0
2023-04-28 1200Z98736-03936-0
2023-04-28 0600Z149536-04236-0
2023-04-28 0000Z1931336-04536-0
2023-04-27 1800Z1842036-03836-0
2023-04-27 1200Z1751336-03536-0
2023-04-27 0600Z1871136-03636-0
2023-04-27 0000Z100336-03736-0
2023-04-26 1800Z305636-03636-0
2023-04-26 1200Z354736-03536-0
2023-04-26 0600Z3431136-03636-0
2023-04-26 0000Z3241418-03518-0

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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