Station List

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
red diamond Stations with no data in last 8 hours
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Station SVNM4

Conditions at SVNM4 as of
(12:40 am EDT)
0440 GMT on 05/10/2026:
     

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): W ( 270 deg true )
5-day plot - Wind Speed Wind Speed (WSPD): 7 kts
5-day plot - Wind Gust Wind Gust (GST): 8 kts
5-day plot - Air Temperature Air Temperature (ATMP): 50.2 °F
5-day plot - Wind Chill Wind Chill (CHILL): 46.9 °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
2026-05-10 12:30 am W 6 6------ 50.4-----
2026-05-10 12:20 am W 5 6------ 49.8-----
2026-05-10 12:10 am W 6 6------ 49.6-----
2026-05-10 12:00 am W 5 5------ 50.0-----
2026-05-09 11:50 pm W 3 4------ 50.4-----
2026-05-09 11:40 pmWSW 3 3------ 50.9-----
2026-05-09 11:30 pm W 2 2------ 51.6-----
2026-05-09 11:20 pm NW 1 2------ 51.4-----
2026-05-09 11:10 pm N 2 3------ 51.8-----
2026-05-09 11:00 pmNNW 3 4------ 52.3-----
2026-05-09 10:50 pm N 4 5------ 52.7-----
2026-05-09 10:40 pm N 4 6------ 52.5-----
2026-05-09 10:30 pm N 4 5------ 52.7-----
2026-05-09 10:20 pm N 5 6------ 53.1-----
2026-05-09 10:10 pm N 5 6------ 53.2-----
2026-05-09 10:00 pmNNE 5 6------ 53.2-----
2026-05-09 09:50 pm N 7 8------ 53.1-----
2026-05-09 09:40 pm N 9 10------ 53.4-----
2026-05-09 09:30 pm N 8 9------ 53.4-----
2026-05-09 09:20 pm N 10 11------ 53.2-----
2026-05-09 09:10 pm N 10 11------ 53.2-----
2026-05-09 09:00 pm N 12 13------ 53.4-----
2026-05-09 08:50 pm N 11 13------ 53.6-----
2026-05-09 08:40 pm N 13 15------ 54.0-----
2026-05-09 08:30 pm N 14 16------ 54.1-----
2026-05-09 08:20 pm N 14 16------ 54.0-----
2026-05-09 08:10 pm N 15 16------ 53.6-----
2026-05-09 08:00 pm N 14 16------ 53.6-----
2026-05-09 07:40 pm N 15 16------ 53.8-----
2026-05-09 07:30 pm N 15 18------ 53.8-----
2026-05-09 07:20 pm N 16 18------ 54.0-----
2026-05-09 07:10 pm N 16 19------ 53.8-----
2026-05-09 07:00 pm N 14 19------ 53.1-----
2026-05-09 06:50 pm N 16 18------ 52.5-----
2026-05-09 06:40 pmNNW 14 18------ 52.7-----
2026-05-09 06:30 pm NW 15 18------ 52.7-----
2026-05-09 06:20 pmWSW 5 6------ 53.1-----
2026-05-09 06:10 pm W 6 7------ 53.8-----
2026-05-09 06:00 pmWSW 7 8------ 54.5-----
2026-05-09 05:50 pm SW 7 8------ 55.2-----
2026-05-09 05:40 pmSSW 7 8------ 55.6-----
2026-05-09 05:30 pmSSW 7 9------ 56.1-----
2026-05-09 05:20 pm S 9 9------ 55.9-----
2026-05-09 05:10 pmSSW 10 11------ 57.0-----
2026-05-09 05:00 pm S 10 11------ 56.8-----
2026-05-09 04:50 pm S 8 9------ 56.1-----
2026-05-09 04:40 pm S 9 9------ 55.6-----
2026-05-09 04:30 pm S 9 10------ 55.8-----
2026-05-09 04:20 pm S 10 11------ 55.9-----
2026-05-09 04:10 pm S 11 11------ 56.7-----
2026-05-09 04:00 pm S 11 11------ 56.5-----
2026-05-09 03:50 pm S 8 9------ 56.5-----
2026-05-09 03:40 pm S 7 8------ 55.8-----
2026-05-09 03:30 pm S 9 9------ 55.8-----
2026-05-09 03:20 pm S 8 8------ 55.4-----
2026-05-09 03:10 pm S 9 9------ 54.9-----
2026-05-09 03:00 pm S 10 11------ 54.7-----
2026-05-09 02:50 pm S 11 12------ 54.7-----
2026-05-09 02:40 pm S 11 12------ 54.1-----
2026-05-09 02:30 pm S 11 12------ 53.4-----
2026-05-09 02:20 pm S 10 11------ 53.1-----
2026-05-09 02:10 pm S 11 12------ 52.2-----
2026-05-09 02:00 pm S 9 10------ 51.6-----
2026-05-09 01:50 pmSSW 9 11------ 51.3-----
2026-05-09 01:40 pmSSW 8 11------ 51.4-----
2026-05-09 01:30 pmSSW 8 10------ 51.6-----
2026-05-09 01:20 pmSSW 10 11------ 51.8-----
2026-05-09 01:10 pmSSW 12 14------ 52.5-----
2026-05-09 01:00 pm S 14 16------ 52.7-----
2026-05-09 12:50 pm S 11 13------ 51.8-----
2026-05-09 12:40 pmSSW 12 13------ 51.6-----
2026-05-09 12:30 pmSSW 14 16------ 51.4-----
2026-05-09 12:20 pmSSW 14 16------ 51.6-----
2026-05-09 12:10 pmSSW 15 16------ 51.6-----
2026-05-09 12:00 pmSSW 15 17------ 51.8-----
2026-05-09 11:50 amSSW 16 17------ 52.0-----
2026-05-09 11:40 amSSW 18 19------ 52.3-----
2026-05-09 11:30 amSSW 18 20------ 52.5-----
2026-05-09 11:20 amSSW 18 19------ 52.9-----
2026-05-09 11:10 amSSW 18 20------ 53.1-----
2026-05-09 11:00 amSSW 18 20------ 53.1-----
2026-05-09 10:50 amSSW 20 22------ 53.2-----
2026-05-09 10:40 amSSW 18 21------ 53.6-----
2026-05-09 10:30 amSSW 21 24------ 53.6-----
2026-05-09 10:20 amSSW 20 21------ 53.6-----
2026-05-09 10:10 amSSW 19 22------ 53.6-----
2026-05-09 10:00 amSSW 20 23------ 53.8-----
2026-05-09 09:50 amSSW 21 23------ 54.1-----
2026-05-09 09:40 amSSW 20 23------ 54.7-----
2026-05-09 09:30 amSSW 21 25------ 55.0-----
2026-05-09 09:20 amSSW 20 22------ 55.4-----
2026-05-09 09:10 am S 18 19------ 55.0-----
2026-05-09 09:00 am S 19 20------ 55.4-----
2026-05-09 08:50 am S 19 21------ 55.2-----
2026-05-09 08:40 amSSW 17 18------ 55.2-----
2026-05-09 08:30 am S 19 20------ 55.4-----
2026-05-09 08:20 am S 18 21------ 55.4-----
2026-05-09 08:10 am S 17 19------ 55.4-----
2026-05-09 08:00 am S 14 16------ 55.2-----
2026-05-09 07:50 am S 15 17------ 55.0-----
2026-05-09 07:40 am S 17 19------ 55.0-----
2026-05-09 07:30 am S 20 22------ 54.9-----
2026-05-09 07:20 am S 20 22------ 54.7-----
2026-05-09 07:10 am S 20 22------ 54.3-----
2026-05-09 07:00 am S 17 20------ 54.1-----
2026-05-09 06:50 am S 17 19------ 54.3-----
2026-05-09 06:40 am S 17 20------ 54.7-----
2026-05-09 06:30 am S 21 24------ 54.7-----
2026-05-09 06:20 am S 19 20------ 54.3-----
2026-05-09 06:10 am S 18 20------ 54.1-----
2026-05-09 06:00 am S 18 20------ 54.3-----
2026-05-09 05:50 am S 16 18------ 54.5-----
2026-05-09 05:40 am S 15 17------ 54.5-----
2026-05-09 05:30 am S 15 17------ 54.7-----
2026-05-09 05:20 am S 15 19------ 54.7-----
2026-05-09 05:10 am S 16 18------ 55.0-----
2026-05-09 05:00 am S 16 17------ 55.2-----
2026-05-09 04:50 am S 17 19------ 55.2-----
2026-05-09 04:40 am S 17 18------ 55.4-----
2026-05-09 04:30 am S 18 21------ 55.8-----
2026-05-09 04:20 am S 18 20------ 55.6-----
2026-05-09 04:10 am S 17 19------ 55.6-----
2026-05-09 04:00 am S 17 18------ 55.6-----
2026-05-09 03:50 am S 15 17------ 55.4-----
2026-05-09 03:40 am S 15 16------ 55.6-----
2026-05-09 03:30 am S 16 18------ 55.6-----
2026-05-09 03:20 am S 16 19------ 55.6-----
2026-05-09 03:10 am S 14 16------ 55.8-----
2026-05-09 03:00 am S 15 17------ 55.9-----
2026-05-09 02:50 am S 15 17------ 55.9-----
2026-05-09 02:40 am S 15 16------ 56.1-----
2026-05-09 02:30 am S 14 16------ 56.1-----
2026-05-09 02:20 am S 15 17------ 56.3-----
2026-05-09 02:10 am S 13 15------ 56.3-----
2026-05-09 02:00 am S 12 14------ 56.3-----
2026-05-09 01:50 am S 12 13------ 56.3-----
2026-05-09 01:40 am S 11 13------ 55.9-----
2026-05-09 01:30 am S 11 12------ 55.8-----
2026-05-09 01:20 amSSE 11 12------ 55.9-----
2026-05-09 01:10 amSSE 10 11------ 55.8-----
2026-05-09 01:00 amSSE 10 12------ 55.6-----
2026-05-09 12:50 amSSE 10 11------ 55.6-----