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Station SVNM4 - South Haven Light, South Haven, MI Image indicating link to RSS feed of recent meteorological observations for station SVNM4

Owned and maintained by Great Lakes Environmental Research Laboratory
C-MAN Station
42.401 N 86.288 W (42°24'5" N 86°17'17" W)

Site elevation: 176 m above mean sea level
Air temp height: 13.7 m above site elevation
Anemometer height: 16.8 m above site elevation

Search And Rescue (SAR) Data

Meteorological Observations from Nearby Stations and Ships Image indicating link to RSS feed of recent meteorological observations near station SVNM4

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yellow diamond Stations with recent data
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Station SVNM4

Conditions at SVNM4 as of
(5:20 pm EDT)
2120 GMT on 09/21/2026:
     

Click on the graph icon in the table below to see a time series plot of the last five days of that observation.

5-day plot - Wind Direction Wind Direction (WDIR): NE ( 40 deg true )
5-day plot - Wind Speed Wind Speed (WSPD): 13 kts
5-day plot - Wind Gust Wind Gust (GST): 15 kts
5-day plot - Air Temperature Air Temperature (ATMP): 64.0 °F
5-day plot - Wind Speed, Wind Gust and Atmospheric Pressure Combined plot of Wind Speed, Gust, and Air Pressure
Previous observations
TIME
(EDT)		 5-day plot - Wind Direction
WDIR
 		 5-day plot - Wind Speed
WSPD
kts		 5-day plot - Wind Gust
GST
kts		 5-day plot - Wave Height
WVHT
ft		 5-day plot - Dominant Wave Period
DPD
sec		 5-day plot - Average Wave Period
APD
sec		 5-day plot - Mean Wave Direction
MWD
 		 5-day plot - Atmospheric Pressure
PRES
in		 5-day plot - Pressure Tendency
PTDY
in		 5-day plot - Air Temperature
ATMP
°F		 5-day plot - Water Temperature
WTMP
°F		 5-day plot - Dew Point
DEWP
°F		 5-day plot - Salinity
SAL
psu		 5-day plot - Visibility
VIS
nmi		 5-day plot - Tide (above MLLW)
TIDE
ft
2026-09-21 05:10 pm NE 9 12------ 63.7-----
2026-09-21 05:00 pmENE 11 15------ 63.7-----
2026-09-21 04:50 pm NE 12 15------ 64.2-----
2026-09-21 04:40 pm NE 10 15------ 64.4-----
2026-09-21 04:30 pm NE 12 17------ 64.0-----
2026-09-21 04:20 pm NE 13 16------ 63.5-----
2026-09-21 04:10 pm NE 9 13------ 63.7-----
2026-09-21 04:00 pmENE 14 17------ 63.3-----
2026-09-21 03:50 pm NE 9 14------ 64.2-----
2026-09-21 03:40 pm NE 10 14------ 63.9-----
2026-09-21 03:30 pm NE 12 16------ 63.5-----
2026-09-21 03:20 pm NE 10 13------ 63.3-----
2026-09-21 03:10 pm NE 14 19------ 63.1-----
2026-09-21 03:00 pm NE 15 19------ 63.0-----
2026-09-21 02:50 pm NE 12 15------ 62.4-----
2026-09-21 02:40 pm NE 11 16------ 62.4-----
2026-09-21 02:30 pm NE 13 17------ 62.2-----
2026-09-21 02:20 pmNNE 13 16------ 62.1-----
2026-09-21 02:10 pmNNE 13 17------ 61.9-----
2026-09-21 02:00 pm NE 12 14------ 61.9-----
2026-09-21 01:50 pmENE 13 18------ 61.7-----
2026-09-21 01:40 pm NE 13 17------ 61.9-----
2026-09-21 01:30 pm NE 10 17------ 61.7-----
2026-09-21 01:20 pm NE 15 19------ 61.0-----
2026-09-21 01:10 pm NE 14 18------ 61.0-----
2026-09-21 01:00 pm NE 13 16------ 60.8-----
2026-09-21 12:50 pm NE 13 18------ 60.6-----
2026-09-21 12:40 pm NE 10 15------ 60.3-----
2026-09-21 12:30 pmENE 11 15------ 59.9-----
2026-09-21 12:20 pm NE 14 18------ 59.7-----
2026-09-21 12:10 pm NE 10 16------ 59.7-----
2026-09-21 12:00 pm NE 13 22------ 59.7-----
2026-09-21 11:50 am NE 11 14------ 59.4-----
2026-09-21 11:40 am NE 11 17------ 59.0-----
2026-09-21 11:30 am NE 10 15------ 58.8-----
2026-09-21 11:20 am NE 15 19------ 58.8-----
2026-09-21 11:10 am NE 8 9------ 58.6-----
2026-09-21 11:00 am NE 11 13------ 58.1-----