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Real-Time Meteorological Observation Network
South Haven, MI  (SVNM4)  42° 24´ 05" N,   86° 17´ 20" W

See Metadata File for full description of instruments and parameters, as well as site maps. See also rtmon status, webcam status
Conditions at 6:14 pm EDT on 04/28/2025 (DOY 118 22:14 GMT)
(Updated every 15 minutes)
Wind Speed:   18.5 kts   (9.5 m/s)
Max Wind Speed:   25.7 kts   (13.2 m/s)
Wind Direction:   124° (SE)
Air Temperature:   78.4 °F   (25.8 °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 every 30 minutes)

[Live Webcam Image from South Haven, MI Met Station Camera 1]

[Live Webcam Image from South Haven, MI Met Station Camera 2]

[Live Webcam Image from South Haven, MI Met Station Camera 3]

[Live Webcam Image from South Haven, MI Met Station Camera 4]

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

Nearby Webcam (external site):
South Haven Lighthouse

----- Previous 18 Hours (at top of hour)  [English] [Metric] -----
YEARDOY EDT Wind
Spd
kts 		Wind
Gust
kts 		Peak
Wind
kts 		Wind
Dir
deg 		Air
Tmp
F
20251181800 15.4 19.6 26.2 123 78.6
20251181700 18.7 22.0 28.0 136 77.2
20251181600 11.7 15.2 23.7 116 75.9
20251181500 12.6 14.6 23.1 161 72.7
20251181400 12.1 15.9 22.0 135 70.5
20251181300 12.8 17.1 21.0 106 69.6
20251181200 15.7 21.2 21.8 139 66.6
20251181100 15.9 20.4 21.4 142 65.7
20251181000 12.6 15.0 18.7 126 62.4
20251180900 13.0 17.1 19.2 107 57.7
20251180800 12.8 14.8 20.2 108 53.2
20251180700 12.6 15.4 17.5 096 51.6
20251180600 11.7 15.2 15.6 093 52.2
20251180500 10.9 13.2 15.4 093 52.9
20251180400 9.1 11.5 15.2 092 53.2
20251180300 8.2 9.7 11.7 084 54.1
20251180200 8.0 9.3 11.5 096 55.6
20251180100 8.0 9.3 10.7 093 56.7
Note: Peak wind is max wind gust during entire hour

      right arrow Click here for recent 2-minute daily data: 20250428.08t.txt.txt, data format (metadata)
      right arrow Click here for past data: 2025 | Archive

The NDBC station ID for this station is: SVNM4
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 Special thanks to ATON CG Group Muskegon, 9th USCG Group, State of Michigan
Historic Preservation Office, and the Michigan Maritime Museum in South Haven.


Additional Great Lakes Meteorological Observations

» NWS, Grand Rapids Office: Near-Realtime Marine Weather, includes current conditions and forecasts
» NWS, White Lake Office: Near-Realtime Marine Weather, includes current conditions and forecasts
» NDBC Great Lakes ImageMap showing U.S. and Canadian Buoys and C-MAN Stations
» NOAA CoastWatch Great Lakes NOAAPORT Data, includes all station types
» NOAA's NowCoast: Web mapping portal to real-time coastal observations
» Winds courtesy of iWindsurf.com
» NWS Great Lakes Marine Text Forecasts by Zone
» Links to Great Lakes Water Temperature, Wind/Wave Data, & Water Levels
» GLIN: Great Lakes Information Network

Contact:
General Information & Media Inquiries:
oar.glerl.www@noaa.gov
(734) 741-2235 		Data Inquiries:
oar.glerl.data@noaa.gov