Station SRLM4 - Search and Rescue Data

Spectacle Reef Light, MI
45.773 N 84.137 W (45°46'24" N 84°8'12" W)

Instruments are owned and maintained by the University of Colorado, Boulder.

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
2024-05-19 0000Z--0-0487-0
2024-05-18 1800Z--0-04712-0
2024-05-18 1200Z--0-04612-0
2024-05-18 0600Z127116-05112-0
2024-05-18 0000Z1351112-05812-0
2024-05-17 1800Z60111-05912-0
2024-05-17 1200Z134812-04912-0
2024-05-17 0600Z721610-04812-0
2024-05-17 0000Z951612-04812-0
2024-05-16 1800Z971612-05112-0
2024-05-16 1200Z94712-04712-0
2024-05-16 0600Z340912-05012-0
2024-05-16 0000Z197412-05712-0
2024-05-15 1800Z124411-05212-0
2024-05-15 1200Z361812-04712-0
2024-05-15 0600Z353119-04512-0
2024-05-15 0000Z243311-05212-0
2024-05-14 1800Z140312-04812-0
2024-05-14 1200Z341912-04212-0
2024-05-14 0600Z2971112-04412-0
2024-05-14 0000Z3381810-05112-0
2024-05-13 1800Z2771212-05512-0
2024-05-13 1200Z281412-04712-0
2024-05-13 0600Z54412-04812-0
2024-05-13 0000Z1081312-04912-0
2024-05-12 1800Z1161212-04812-0
2024-05-12 1200Z222812-04512-0
2024-05-12 0600Z282912-04612-0
2024-05-12 0000Z94412-04912-0
2024-05-11 1800Z42212-05212-0
2024-05-11 1200Z26612-04512-0
2024-05-11 0600Z158612-05012-0
2024-05-11 0000Z137712-05112-0
2024-05-10 1800Z120612-05512-0
2024-05-10 1200Z32839-04812-0
2024-05-10 0600Z4096-05212-0
2024-05-10 0000Z17959-05312-0
2024-05-09 1800Z98412-04812-0
2024-05-09 1200Z501712-04512-0
2024-05-09 0600Z111112-05012-0
2024-05-09 0000Z285912-05312-0
2024-05-08 1800Z238510-05112-0
2024-05-08 1200Z--0-04412-0
2024-05-08 0600Z40111-04512-0
2024-05-08 0000Z90188-04712-0
2024-05-07 1800Z862010-04611-0
2024-05-07 1200Z111811-04611-0
2024-05-07 0600Z1751012-05412-0
2024-05-07 0000Z1351312-05512-0
2024-05-06 1800Z119711-05411-0
2024-05-06 1200Z227211-04611-0
2024-05-06 0600Z312411-04811-0
2024-05-06 0000Z2961512-05112-0
2024-05-05 1800Z2641312-04712-0
2024-05-05 1200Z267156-04412-0
2024-05-05 0600Z178115-05110-0
2024-05-05 0000Z118185-04412-0
2024-05-04 1800Z--0-04012-0
2024-05-04 1200Z9396-04012-0
2024-05-04 0600Z1421011-04911-0
2024-05-04 0000Z147212-05312-0
2024-05-03 1800Z26484-04712-0
2024-05-03 1200Z--0-04312-0
2024-05-03 0600Z84169-04112-0
2024-05-03 0000Z941712-04212-0
2024-05-02 1800Z86612-04312-0
2024-05-02 1200Z304512-04112-0
2024-05-02 0600Z2941212-04412-0
2024-05-02 0000Z2762012-05012-0
2024-05-01 1800Z218212-04712-0
2024-05-01 1200Z123157-04312-0
2024-05-01 0600Z105612-04312-0
2024-05-01 0000Z267810-04711-0
2024-04-30 1800Z2631512-04712-0
2024-04-30 1200Z--0-04312-0
2024-04-30 0600Z--0-03912-0
2024-04-30 0000Z--0-03912-0
2024-04-29 1800Z--0-0385-0
2024-04-28 0600Z268187-0496-0
2024-04-28 0000Z2372112-06512-0
2024-04-27 1800Z1721910-05610-0
2024-04-27 1200Z112175-04212-0
2024-04-27 0600Z1072010-04212-0
2024-04-27 0000Z1022012-04112-0
2024-04-26 1800Z952112-04012-0
2024-04-26 1200Z1241312-03712-0
2024-04-26 0600Z1321612-03612-0
2024-04-26 0000Z1061511-03812-0
2024-04-25 1800Z1021311-03812-0
2024-04-25 1200Z169512-03412-0
2024-04-25 0600Z141212-03512-0
2024-04-25 0000Z170912-03512-0
2024-04-24 1800Z51312-03112-0
2024-04-24 1200Z91912-02712-0
2024-04-24 0600Z10211-03412-0
2024-04-24 0000Z2701512-04412-0
2024-04-23 1800Z255910-05012-0
2024-04-23 1200Z1811510-04710-0
2024-04-23 0600Z1931712-05112-0
2024-04-23 0000Z2021512-05412-0
2024-04-22 1800Z244712-04912-0
2024-04-22 1200Z1731212-03712-0
2024-04-22 0600Z316410-03710-0
2024-04-22 0000Z3081511-04112-0
2024-04-21 1800Z2592112-04212-0
2024-04-21 1200Z2321712-03712-0
2024-04-21 0600Z236169-0369-0
2024-04-21 0000Z2681911-03711-0
2024-04-20 1800Z2682211-03612-0
2024-04-20 1200Z2642211-03612-0
2024-04-20 0600Z2591412-03812-0
2024-04-20 0000Z2452110-04010-0
2024-04-19 1800Z2662010-04010-0
2024-04-19 1200Z27687-04012-0
2024-04-19 0600Z150911-04311-0
2024-04-19 0000Z282810-04410-0
2024-04-18 1800Z2701712-04112-0
2024-04-18 1200Z257184-04012-0
2024-04-18 0600Z--0-04011-0
2024-04-18 0000Z90331-0397-0
2024-04-17 1800Z96329-03812-0
2024-04-17 1200Z97316-03912-0
2024-04-17 0600Z1001910-04012-0
2024-04-17 0000Z1141511-04211-0
2024-04-16 1800Z94127-0427-0
2024-04-16 1200Z344411-03811-0
2024-04-16 0600Z2951212-04212-0
2024-04-16 0000Z326149-0489-0
2024-04-15 1800Z273106-0456-0
2024-04-15 1200Z253106-0396-0
2024-04-15 0600Z286116-0416-0
2024-04-15 0000Z327135-0485-0
2024-04-14 1800Z836-0436-0
2024-04-14 1200Z106116-0386-0
2024-04-14 0600Z10274-0395-0
2024-04-14 0000Z254166-0446-0
2024-04-13 1800Z262236-0416-0
2024-04-13 1200Z285226-0386-0
2024-04-13 0600Z297256-0406-0
2024-04-13 0000Z293324-0406-0
2024-04-12 1800Z--0-0416-0
2024-04-12 1200Z--0-0426-0
2024-04-12 0600Z--0-0436-0
2024-04-12 0000Z4105-0456-0
2024-04-11 1800Z75106-0436-0
2024-04-11 1200Z91126-0406-0
2024-04-11 0600Z7986-0456-0
2024-04-11 0000Z7096-0516-0
2024-04-10 1800Z27026-0496-0
2024-04-10 1200Z191116-0446-0
2024-04-10 0600Z24696-0436-0
2024-04-10 0000Z279194-0466-0
2024-04-09 1800Z7866-0436-0
2024-04-09 1200Z117136-0436-0
2024-04-09 0600Z10385-0425-0
2024-04-09 0000Z81156-0416-0
2024-04-08 1800Z98236-0406-0
2024-04-08 1200Z118156-0406-0
2024-04-08 0600Z116126-0406-0
2024-04-08 0000Z100176-0406-0
2024-04-07 1800Z92146-0396-0
2024-04-07 1200Z67106-0376-0
2024-04-07 0600Z35976-0376-0
2024-04-07 0000Z282184-0456-0
2024-04-06 1800Z262106-0406-0
2024-04-06 1200Z333125-0365-0
2024-04-06 0600Z314136-0376-0
2024-04-06 0000Z325175-0426-0
2024-04-05 1800Z338155-0395-0
2024-04-05 1200Z335176-0346-0
2024-04-05 0600Z10156-0356-0
2024-04-05 0000Z3554-0376-0
2024-04-04 1800Z30204-0366-0
2024-04-04 1200Z--0-0336-0
2024-04-04 0600Z--0-0336-0
2024-04-04 0000Z60132-0373-0

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 SRLM4 station page