NOAA - Great Lakes Environmental Research Laboratory

Real-Time Meteorological Observation Network
Thunder Bay Island, MI (TBIM4) 45° 02´ 05" N, 83° 11´ 39" W

See Metadata File for full description of instruments and parameters, as well as site maps. See also rtmon status, webcam status

Conditions at 7:52 am EDT on 07/09/2020 (DOY 191 11:52 GMT)
(Updated at about 26,56 minutes past the hour)

Wind Speed:	6.6 kts (3.4 m/s)
Max Wind Speed:	7.2 kts (3.7 m/s)
Wind Direction:	176° (S)
Air Temperature:	73.4 °F (23.0 °C)
Data & Plots of Previous 3 Hours (2 minute increments)
Data & Plots of Previous 5 Days (hourly increments)
1 Day Windrose Plot, 5 Day Windrose Plot, (explanation)

Click on image to enlarge
(images updated 1X per hour)
Webcam Location & Info

24-hr animations: 1 2 3 4 5
Previous 48 images: 1 2 3 4 5
All Images (past 10 days)

----- Previous 18 Hours (at top of hour) [English] [Metric] -----
YEAR	DOY	EDT	Wind Spd kts	Wind Gust kts	Peak Wind kts	Wind Dir deg	Air Tmp F
2020	191	0700	6.6	7.6	9.9	179	72.3
2020	191	0600	6.2	7.2	8.4	169	71.6
2020	191	0500	7.0	8.6	8.9	157	71.8
2020	191	0400	4.5	4.7	9.3	159	71.1
2020	191	0300	4.7	5.1	5.2	223	71.4
2020	191	0200	5.1	5.8	5.8	209	71.8
2020	191	0100	7.0	7.8	7.8	185	72.1
2020	191	0000	9.9	10.7	11.7	179	72.1
2020	190	2300	7.0	7.8	10.5	173	72.1
2020	190	2200	6.2	7.2	9.3	192	72.0
2020	190	2100	2.9	3.1	7.4	187	72.3
2020	190	2000	8.2	9.3	9.5	170	74.1
2020	190	1900	6.2	7.2	14.0	157	73.8
2020	190	1800	5.6	7.0	8.4	137	75.2
2020	190	1700	4.9	6.0	6.4	123	75.7
2020	190	1600	3.9	4.7	7.0	079	76.5
2020	190	1500	2.9	3.5	5.6	078	75.4
2020	190	1400	2.5	3.5	4.7	094	75.9

Note: Peak wind is max wind gust during entire hour

Click here for today's 2-minute data: 20200709.10t.txt, data format (metadata)
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Click here for past data: 2020 | Archive

Access current marine observations on your mobile device. See NDBC's mobile access page.
These data are also available from NDBC website and NDBC's Dial-a-Buoy Program.
See also NWS Marine Forecast for this area, and NWS Recreational Beach Forecast

Realtime Data Disclaimer
Special thanks to NWS, Thunder Bay National Marine Sanctuary (TBNMS), and 9th District USCG.

Additional Great Lakes Meteorological Observations

Real-Time Meteorological Observation NetworkThunder Bay Island, MI (TBIM4) 45° 02´ 05" N, 83° 11´ 39" W