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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 8:44 am EDT on 05/18/2026 (DOY 138 12:44 GMT)
(Updated every 15 minutes)
Wind Speed:   18.7 kts   (9.6 m/s)
Max Wind Speed:   20.6 kts   (10.6 m/s)
Wind Direction:   184° (S)
Air Temperature:   72.3 °F   (22.4 °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
20261380800 16.9 18.7 22.6 182 72.3
20261380700 16.3 20.0 24.3 180 74.7
20261380600 17.1 18.3 22.4 184 72.9
20261380500 18.1 19.6 22.6 183 73.2
20261380400 17.7 18.7 22.4 187 71.6
20261380300 16.7 19.4 20.0 182 72.9
20261380200 14.2 16.5 19.1 171 75.6
20261380100 12.2 14.2 16.9 168 76.6
20261380000 10.9 13.2 18.1 132 76.5
20261372300 9.5 11.9 16.5 143 77.9
20261372200 12.1 16.7 17.1 156 79.3
20261372100 13.0 13.8 17.9 166 80.8
20261372000 9.1 9.7 14.6 175 70.2
20261371900 7.0 7.4 13.4 170 67.8
20261371800 15.2 16.1 17.3 206 70.9
20261371700 13.2 14.2 23.1 189 74.1
20261371600 22.0 26.4 26.4 138 83.1
20261371500 5.1 8.0 27.4 172 75.0
Note: Peak wind is max wind gust during entire hour

      right arrow Click here for recent 2-minute daily data: 20260518.08t.txt.txt, data format (metadata)
      right arrow Click here for past data: 2026 | 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