Station GTLM4 - Search and Rescue Data

Grand Traverse Light, MI
45.211 N 85.550 W (45°12'38" N 85°33'1" 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 0000Z271534-05834-0
2024-05-29 1800Z14842-05942-0
2024-05-29 1200Z451639-05339-0
2024-05-29 0600Z131037-05237-0
2024-05-29 0000Z321742-05842-0
2024-05-28 1800Z264734-06034-0
2024-05-28 1200Z265840-05440-0
2024-05-28 0600Z2511039-05339-0
2024-05-28 0000Z332941-05241-0
2024-05-27 1800Z231631-05431-0
2024-05-27 1200Z57941-05441-0
2024-05-27 0600Z721242-05642-0
2024-05-27 0000Z96742-06442-0
2024-05-26 1800Z90334-06534-0
2024-05-26 1200Z164540-06040-0
2024-05-26 0600Z180637-05837-0
2024-05-26 0000Z222538-06138-0
2024-05-25 1800Z2511641-06141-0
2024-05-25 1200Z2441240-05640-0
2024-05-25 0600Z173542-05842-0
2024-05-25 0000Z99440-06240-0
2024-05-24 1800Z56939-05639-0
2024-05-24 1200Z67636-05336-0
2024-05-24 0600Z23439-05339-0
2024-05-24 0000Z2461542-06242-0
2024-05-23 1800Z2441538-06538-0
2024-05-23 1200Z2401439-05639-0
2024-05-23 0600Z2411542-05442-0
2024-05-23 0000Z2351941-06041-0
2024-05-22 1800Z2261642-06342-0
2024-05-22 1200Z209839-06339-0
2024-05-22 0600Z181241-06140-0
2024-05-22 0000Z101442-06542-0
2024-05-21 1800Z84537-06537-0
2024-05-21 1200Z262142-05642-0
2024-05-21 0600Z24240-05540-0
2024-05-21 0000Z95341-05641-0
2024-05-20 1800Z125136-06536-0
2024-05-20 1200Z95238-05638-0
2024-05-20 0600Z139242-05342-0
2024-05-20 0000Z222342-06042-0
2024-05-19 1800Z250738-06338-0
2024-05-19 1200Z276536-05736-0
2024-05-19 0600Z173435-06435-0
2024-05-19 0000Z119136-06736-0
2024-05-18 1800Z59137-07437-0
2024-05-18 1200Z186136-05936-0
2024-05-18 0600Z162340-05540-0
2024-05-18 0000Z91339-05939-0
2024-05-17 1800Z337235-06235-0
2024-05-17 1200Z272436-05136-0
2024-05-17 0600Z172339-05239-0
2024-05-17 0000Z12343-05243-0
2024-05-16 1800Z111438-06438-0
2024-05-16 1200Z152436-05336-0
2024-05-16 0600Z108436-04736-0
2024-05-16 0000Z50736-05336-0
2024-05-15 1800Z35936-05336-0
2024-05-15 1200Z57736-04936-0
2024-05-15 0600Z441337-04737-0
2024-05-15 0000Z321236-05236-0
2024-05-14 1800Z281136-05036-0
2024-05-14 1200Z431136-04536-0
2024-05-14 0600Z13736-04436-0
2024-05-14 0000Z51040-05140-0
2024-05-13 1800Z287336-05636-0
2024-05-13 1200Z264539-05339-0
2024-05-13 0600Z201837-05637-0
2024-05-13 0000Z261538-06435-0
2024-05-12 1800Z175536-06335-0
2024-05-12 1200Z170536-04636-0
2024-05-12 0600Z231436-04336-0
2024-05-12 0000Z304936-05136-0
2024-05-11 1800Z3101236-05436-0
2024-05-11 1200Z381136-04636-0
2024-05-11 0600Z90539-04839-0
2024-05-11 0000Z219227-05127-0
2024-05-10 1800Z259930-05330-0
2024-05-10 1200Z273736-04536-0
2024-05-10 0600Z7536-04536-0
2024-05-10 0000Z201036-05036-0
2024-05-09 1800Z321136-05136-0
2024-05-09 1200Z78436-04836-0
2024-05-09 0600Z75336-04736-0
2024-05-09 0000Z259236-05036-0
2024-05-08 1800Z296436-05036-0
2024-05-08 1200Z2791437-04637-0
2024-05-08 0600Z2271037-05237-0
2024-05-08 0000Z103536-05436-0
2024-05-07 1800Z153437-06636-0
2024-05-07 1200Z136436-05236-0
2024-05-07 0600Z147436-05236-0
2024-05-07 0000Z76736-05236-0
2024-05-06 1800Z69636-05736-0
2024-05-06 1200Z140436-05136-0
2024-05-06 0600Z119436-04436-0
2024-05-06 0000Z262336-05236-0
2024-05-05 1800Z266736-05336-0
2024-05-05 1200Z288736-04636-0
2024-05-05 0600Z291736-04736-0
2024-05-05 0000Z124036-05336-0
2024-05-04 1800Z185536-06931-0
2024-05-04 1200Z160336-05536-0
2024-05-04 0600Z166536-05036-0
2024-05-04 0000Z193136-05436-0
2024-05-03 1800Z2501036-05336-0
2024-05-03 1200Z237824-05024-0
2024-05-03 0600Z164536-05336-0
2024-05-03 0000Z86536-04936-0
2024-05-02 1800Z20736-04436-0
2024-05-02 1200Z41336-04236-0
2024-05-02 0600Z283236-04436-0
2024-05-02 0000Z256936-05236-0
2024-05-01 1800Z2452139-05639-0
2024-05-01 1200Z192738-05138-0
2024-05-01 0600Z146436-04536-0
2024-05-01 0000Z230630-04930-0
2024-04-30 1800Z2451636-05236-0
2024-04-30 1200Z2361236-04836-0
2024-04-30 0600Z2431236-04936-0
2024-04-30 0000Z131436-05336-0
2024-04-29 1800Z132436-04936-0
2024-04-29 1200Z124636-04536-0
2024-04-29 0600Z130836-04736-0
2024-04-29 0000Z791036-04536-0
2024-04-28 1800Z51836-04336-0
2024-04-28 1200Z15836-04336-0
2024-04-28 0600Z356436-04636-0
2024-04-28 0000Z2412139-06523-0
2024-04-27 1800Z2191539-07039-0
2024-04-27 1200Z162936-05136-0
2024-04-27 0600Z153836-05236-0
2024-04-27 0000Z150636-05836-0
2024-04-26 1800Z148636-06036-0
2024-04-26 1200Z164536-04136-0
2024-04-26 0600Z152536-03836-0
2024-04-26 0000Z60636-04136-0
2024-04-25 1800Z37536-04336-0
2024-04-25 1200Z173436-03636-0
2024-04-25 0600Z144536-03436-0
2024-04-25 0000Z30936-03836-0
2024-04-24 1800Z221136-03536-0
2024-04-24 1200Z352040-03240-0
2024-04-24 0600Z142340-03640-0
2024-04-24 0000Z3362040-04140-0
2024-04-23 1800Z2591236-05536-0
2024-04-23 1200Z211637-04937-0
2024-04-23 0600Z2201137-04837-0
2024-04-23 0000Z2191138-05938-0
2024-04-22 1800Z2411738-05838-0
2024-04-22 1200Z170736-04236-0
2024-04-22 0600Z170436-03636-0
2024-04-22 0000Z271636-04436-0
2024-04-21 1800Z2501934-04734-0
2024-04-21 1200Z2701733-04033-0
2024-04-21 0600Z2601636-03936-0
2024-04-21 0000Z2601636-04036-0
2024-04-20 1800Z2742139-04339-0
2024-04-20 1200Z2902342-03842-0
2024-04-20 0600Z2842241-03941-0
2024-04-20 0000Z2691837-04137-0
2024-04-19 1800Z2572140-04440-0
2024-04-19 1200Z2661535-04135-0
2024-04-19 0600Z235831-04531-0
2024-04-19 0000Z233736-04636-0
2024-04-18 1800Z2461236-04936-0
2024-04-18 1200Z2671537-04237-0
2024-04-18 0600Z2571938-04338-0
2024-04-18 0000Z215736-04836-0
2024-04-17 1800Z139736-05336-0
2024-04-17 1200Z127836-04636-0
2024-04-17 0600Z117836-04636-0
2024-04-17 0000Z1011137-05537-0
2024-04-16 1800Z581136-04836-0
2024-04-16 1200Z81536-03936-0
2024-04-16 0600Z83436-03936-0
2024-04-16 0000Z354436-04536-0
2024-04-15 1800Z251636-05036-0
2024-04-15 1200Z241425-04425-0
2024-04-15 0000Z315411-04411-0

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 GTLM4 station page