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.

Conditions at 5:54 pm EDT on 08/21/2018 (DOY 233 21:54 GMT)
(Updated at about 27,57 minutes past the hour)

Wind Speed:	5.8 kts (3.0 m/s)
Max Wind Speed:	10.1 kts (5.2 m/s)
Wind Direction:	0° (N)
Air Temperature:	69.1 °F (20.6 °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)

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(images updated 1X per hour)
Webcam Location & Info

24-hr animations: 1 2 3
Previous 48 images: 1 2 3
All Images (past 14 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
2018	233	1700	7.8	9.5	10.9	013	68.4
2018	233	1600	7.4	11.1	13.4	002	67.8
2018	233	1500	14.2	18.1	19.8	005	67.3
2018	233	1400	7.8	11.9	19.2	345	67.6
2018	233	1300	9.1	11.3	16.9	016	69.8
2018	233	1200	10.9	14.8	17.7	061	68.7
2018	233	1100	9.1	11.5	17.7	044	70.5
2018	233	1000	10.3	14.2	14.2	063	71.1
2018	233	0900	10.1	14.0	16.5	063	71.4
2018	233	0800	9.1	11.3	14.0	067	71.4
2018	233	0700	8.4	10.3	12.1	084	71.4
2018	233	0600	6.0	8.0	11.3	086	71.6
2018	233	0500	5.2	7.0	8.4	122	72.0
2018	233	0400	10.9	12.2	12.2	135	72.7
2018	233	0300	6.8	7.4	11.7	092	72.1
2018	233	0200	7.0	8.0	9.7	073	71.8
2018	233	0100	5.2	5.8	9.1	069	71.8
2018	233	0000	6.6	7.2	7.2	100	72.1

Note: Peak wind is max wind gust during entire hour

Click here for today's 2-minute data: 20180821.10t.txt, data format (metadata)
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Click here for past data: 2018 | 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