NDBC has recently revised the NDBC Handbook of Automated Data Quality Control Checks and Procedures. The new document can be found on our Publications page.

Station SBLM4 - Saginaw Bay Light #1, MI Image indicating link to RSS feed of recent meteorological observations for station SBLM4


Conditions at SBLM4 as of
(12:00 am EDT)
0400 GMT on 03/29/2025:
     

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):NNE ( 30 deg true )
5-day plot - Wind Speed Wind Speed (WSPD): 19.0 kts
5-day plot - Wind Gust Wind Gust (GST): 20.0 kts
5-day plot - Wind Speed at 10 Meters Wind Speed at 10 meters (WSPD10M): 17.5 kts
5-day plot - Wind Speed at 20 Meters Wind Speed at 20 meters (WSPD20M): 19.4 kts
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
2025-03-28 11:50 pmNNE 15.0 17.1------------
2025-03-28 11:40 pmNNE 15.9 18.1------------
2025-03-28 11:30 pmNNE 15.9 20.0------------
2025-03-28 11:20 pmNNE 18.1 19.0------------
2025-03-28 11:10 pm N 19.0 22.9------------
2025-03-28 11:00 pmNNE 21.0 22.9------------
2025-03-28 10:50 pmNNE 17.1 20.0------------
2025-03-28 10:40 pmNNE 15.9 18.1------------
2025-03-28 10:30 pmNNE 15.0 15.9------------
2025-03-28 10:20 pmNNE 12.0 17.1------------
2025-03-28 10:10 pmNNE 15.0 17.1------------
2025-03-28 10:00 pmNNE 15.0 18.1------------
2025-03-28 09:50 pm NE 15.0 17.1------------
2025-03-28 09:40 pmNNE 15.0 19.0------------
2025-03-28 09:30 pmNNE 17.1 20.0------------
2025-03-28 09:20 pmNNE 18.1 20.0------------
2025-03-28 09:10 pmNNE 17.1 19.0------------
2025-03-28 09:00 pmNNE 15.9 18.1------------
2025-03-28 08:50 pmNNE 17.1 19.0------------
2025-03-28 08:40 pmNNE 18.1 20.0------------
2025-03-28 08:30 pmNNE 17.1 20.0------------
2025-03-28 08:20 pmNNE 17.1 19.0------------
2025-03-28 08:10 pmNNE 17.1 20.0------------
2025-03-28 08:00 pmNNE 17.1 19.0------------
2025-03-28 07:50 pmNNE 15.9 17.1------------
2025-03-28 07:40 pmNNE 15.0 18.1------------
2025-03-28 07:30 pmNNE 14.0 15.0------------
2025-03-28 07:20 pmNNE 13.0 14.0------------
2025-03-28 07:10 pm NE 13.0 14.0------------
2025-03-28 07:00 pmNNE 12.0 13.0------------
2025-03-28 06:50 pm NE 12.0 13.0------------
2025-03-28 06:40 pmNNE 13.0 14.0------------
2025-03-28 06:30 pm NE 9.9 11.1------------
2025-03-28 06:20 pm NE 8.9 12.0------------
2025-03-28 06:10 pm NE 11.1 12.0------------
2025-03-28 06:00 pm NE 11.1 12.0------------
2025-03-28 05:50 pm NE 11.1 12.0------------
2025-03-28 05:40 pm NE 11.1 12.0------------
2025-03-28 05:30 pm NE 11.1 12.0------------
2025-03-28 05:20 pm NE 11.1 12.0------------
2025-03-28 05:10 pm NE 11.1 14.0------------
2025-03-28 05:00 pm NE 11.1 15.0------------
2025-03-28 04:50 pm NE 12.0 14.0------------
2025-03-28 04:40 pm NE 11.1 15.0------------
2025-03-28 04:30 pm NE 13.0 14.0------------
2025-03-28 04:20 pm NE 13.0 14.0------------
2025-03-28 04:10 pm NE 13.0 14.0------------
2025-03-28 04:00 pm NE 13.0 14.0------------
2025-03-28 03:50 pm NE 12.0 13.0------------
2025-03-28 03:40 pm NE 13.0 14.0------------
2025-03-28 03:30 pm NE 13.0 14.0------------
2025-03-28 03:20 pmNNE 12.0 13.0------------
2025-03-28 03:10 pm NE 11.1 12.0------------
2025-03-28 03:00 pm NE 9.9 11.1------------
2025-03-28 02:50 pm NE 12.0 13.0------------
2025-03-28 02:40 pm NE 9.9 11.1------------
2025-03-28 02:30 pmNNE 9.9 11.1------------
2025-03-28 02:20 pmNNE 6.0 6.0------------
2025-03-28 02:10 pmNNE 2.9 5.1------------
2025-03-28 02:00 pmSSE 5.1 8.0------------
2025-03-28 01:50 pm S 7.0 8.0------------
2025-03-28 01:40 pm SE 5.1 5.1------------
2025-03-28 01:30 pm E 2.9 6.0------------
2025-03-28 01:20 pm E 6.0 8.0------------
2025-03-28 01:10 pm E 8.0 8.9------------
2025-03-28 01:00 pm E 8.9 9.9------------
2025-03-28 12:50 pm E 8.0 8.9------------
2025-03-28 12:40 pm E 7.0 8.0------------
2025-03-28 12:30 pmENE 6.0 8.0------------
2025-03-28 12:20 pmENE 5.1 5.1------------
2025-03-28 12:10 pmESE 2.9 2.9------------
2025-03-28 11:00 amENE 5.1 6.0------------
2025-03-28 10:50 am E 5.1 6.0------------
2025-03-28 10:40 amESE 5.1 6.0------------
2025-03-28 10:30 amESE 5.1 6.0------------
2025-03-28 10:20 amESE 5.1 8.9------------
2025-03-28 10:10 amESE 8.9 8.9------------
2025-03-28 10:00 amESE 8.0 8.9------------
2025-03-28 09:50 amESE 8.0 8.9------------
2025-03-28 09:40 am SE 8.0 8.0------------
2025-03-28 09:30 am SE 8.0 11.1------------
2025-03-28 09:20 am SE 8.9 9.9------------
2025-03-28 09:10 am SE 8.0 9.9------------
2025-03-28 09:00 amESE 8.9 9.9------------
2025-03-28 08:50 amESE 8.0 8.0------------
2025-03-28 08:40 amESE 8.0 9.9------------
2025-03-28 08:30 amESE 8.0 9.9------------
2025-03-28 08:20 amESE 9.9 11.1------------
2025-03-28 08:10 am E 8.9 9.9------------
2025-03-28 08:00 am E 9.9 12.0------------
2025-03-28 07:50 amESE 11.1 13.0------------
2025-03-28 07:40 amESE 11.1 14.0------------
2025-03-28 07:30 amESE 12.0 15.0------------
2025-03-28 07:20 amESE 13.0 15.0------------
2025-03-28 07:10 amESE 14.0 15.0------------
2025-03-28 07:00 amESE 13.0 14.0------------
2025-03-28 06:50 amESE 13.0 14.0------------
2025-03-28 06:40 am SE 12.0 14.0------------
2025-03-28 06:30 am SE 14.0 15.9------------
2025-03-28 06:20 am SE 14.0 17.1------------
2025-03-28 06:10 am SE 15.0 17.1------------
2025-03-28 06:00 amESE 13.0 15.0------------
2025-03-28 05:50 amESE 13.0 15.0------------
2025-03-28 05:40 amESE 12.0 13.0------------
2025-03-28 05:30 amESE 11.1 12.0------------
2025-03-28 05:20 amESE 9.9 12.0------------
2025-03-28 05:10 amESE 11.1 12.0------------
2025-03-28 05:00 amESE 12.0 13.0------------
2025-03-28 04:50 amESE 9.9 13.0------------
2025-03-28 04:40 am E 12.0 13.0------------
2025-03-28 04:30 am E 12.0 13.0------------
2025-03-28 04:20 am E 11.1 14.0------------
2025-03-28 04:10 amESE 13.0 15.0------------
2025-03-28 04:00 amESE 12.0 14.0------------
2025-03-28 03:50 amESE 11.1 13.0------------
2025-03-28 03:40 amESE 14.0 15.0------------
2025-03-28 03:30 amESE 14.0 15.0------------
2025-03-28 03:20 amESE 14.0 15.0------------
2025-03-28 03:10 amESE 15.0 15.9------------
2025-03-28 03:00 amESE 14.0 15.9------------
2025-03-28 02:50 amESE 14.0 18.1------------
2025-03-28 02:40 am E 15.9 18.1------------
2025-03-28 02:30 am E 14.0 15.9------------
2025-03-28 02:20 am E 14.0 15.0------------
2025-03-28 02:10 am E 14.0 17.1------------
2025-03-28 02:00 amESE 15.0 17.1------------
2025-03-28 01:50 am E 14.0 15.9------------
2025-03-28 01:40 am E 14.0 17.1------------
2025-03-28 01:30 am E 15.9 17.1------------
2025-03-28 01:20 am E 15.0 17.1------------
2025-03-28 01:10 am E 14.0 18.1------------
2025-03-28 01:00 am E 15.9 19.0------------
2025-03-28 12:50 am E 17.1 19.0------------
2025-03-28 12:40 am E 15.9 18.1------------
2025-03-28 12:30 am E 17.1 19.0------------
2025-03-28 12:20 amESE 15.9 18.1------------
2025-03-28 12:10 amESE 15.9 18.1------------
2025-03-28 12:00 am E 15.0 18.1------------
2025-03-27 11:50 pm E 15.9 18.1------------