Station List

Station 45013 - ATW20 - Atwater Park, WI Image indicating link to RSS feed of recent meteorological observations for station 45013

Owned and maintained by University of Wisconsin-Milwaukee
Buoy
43.100 N 87.850 W (43°6'0" N 87°51'0" W)

Site elevation: 176 m above mean sea level
Air temp height: 2 m above site elevation
Anemometer height: 2 m above site elevation
Barometer elevation: 178 m above mean sea level
Sea temp depth: 0 m below water line
Water depth: 20 m

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Latest NWS Marine Forecast

Search And Rescue (SAR) Data

Meteorological Observations from Nearby Stations and Ships Image indicating link to RSS feed of recent meteorological observations near station 45013

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yellow diamond Stations with recent data
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(24 hours for tsunami stations)

Conditions at 45013 as of
(8:00 pm CDT on 05/21/2026)
0100 GMT on 05/22/2026:
     

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 ( 50 deg true )
5-day plot - Wind Speed Wind Speed (WSPD): 15.5 kts
5-day plot - Wind Gust Wind Gust (GST): 19.4 kts
5-day plot - Wave Height Wave Height (WVHT): 2.3 ft
5-day plot - Dominant Wave Period Dominant Wave Period (DPD): 4 sec
5-day plot - Mean Wave Direction Mean Wave Direction (MWD):NNE ( 30 deg true )
5-day plot - Atmospheric Pressure Atmospheric Pressure (PRES):30.30 in
5-day plot - Pressure Tendency Pressure Tendency (PTDY):-0.03 in ( Falling )
5-day plot - Air Temperature Air Temperature (ATMP): 43.9 °F
5-day plot - Water Temperature Water Temperature (WTMP): 45.9 °F
5-day plot - Wind Chill Wind Chill (CHILL): 36.1 °F
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
(CDT)		 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
2026-05-21 07:30 pm NE 15.5 19.4 2.3 5-NNE30.32- 44.1 45.9----
2026-05-21 07:00 pmNNE 13.6 15.5 2.3 4-NNE30.32-0.04 44.1 45.9----
2026-05-21 06:30 pmNNE 11.7 17.5 2.3 3-NNE30.32- 43.7 45.9----
2026-05-21 06:00 pm NE 13.6 17.5 2.3 4- NE30.33-0.05 43.2 45.9----
2026-05-21 05:30 pm NE 15.5 19.4 2.3 4- NE30.33- 43.0 45.9----
2026-05-21 05:00 pmENE 15.5 19.4 2.3 4-NNE30.33-0.06 42.8 45.9----
2026-05-21 04:30 pmENE 17.5 21.4 2.3 5-NNE30.35- 43.0 46.0----
2026-05-21 04:00 pm NE 15.5 17.5 2.3 4-NNE30.36-0.03 42.8 46.0----
2026-05-21 03:30 pm NE 15.5 17.5 2.3 4- NE30.37- 42.6 46.0----
2026-05-21 03:00 pm NE 13.6 17.5 2.3 4- NE30.38-0.02 42.3 46.0----
2026-05-21 02:30 pm NE 15.5 17.5 2.6 4- NE30.39- 41.9 45.9----
2026-05-21 02:00 pm NE 13.6 17.5 2.6 4- NE30.39+0.00 41.7 46.0----
2026-05-21 01:30 pm NE 15.5 19.4 3.0 4- NE30.40- 41.5 45.9----
2026-05-21 01:00 pm NE 17.5 23.3 2.6 4- NE30.40-0.02 41.5 45.9----
2026-05-21 12:30 pmENE 17.5 21.4 3.0 4- NE30.40- 41.5 45.9----
2026-05-21 12:00 pmENE 19.4 23.3 2.6 5- NE30.40-0.02 41.4 45.9----
2026-05-21 11:30 amENE 19.4 23.3 2.6 4- NE30.40- 41.4 46.0----
2026-05-21 11:00 amENE 19.4 21.4 2.6 4- NE30.40-0.02 41.7 46.0----
2026-05-21 10:30 amENE 17.5 21.4 2.3 4- NE30.41- 41.9 46.0----
2026-05-21 10:00 am NE 17.5 19.4 2.6 4- NE30.41+0.00 41.9 46.0----
2026-05-21 09:30 am NE 13.6 19.4 2.6 4-NNE30.42- 42.1 46.0----
2026-05-21 09:00 am NE 17.5 21.4 2.6 4- NE30.42+0.02 42.1 46.0----
2026-05-21 08:30 amENE 15.5 21.4 2.6 5- NE30.42- 42.4 46.0----
2026-05-21 08:00 am NE 15.5 21.4 2.6 4- NE30.42+0.02 42.6 46.0----
2026-05-21 07:30 amENE 17.5 21.4 3.0 4- NE30.41- 42.6 46.0----
2026-05-21 07:00 amENE 17.5 21.4 2.6 4- NE30.41+0.02 42.8 46.0----
2026-05-21 06:30 amENE 17.5 21.4 3.0 4- NE30.40- 42.8 46.0----
2026-05-21 06:00 amENE 17.5 21.4 2.6 5- NE30.40+0.01 43.0 46.2----
2026-05-21 05:30 amENE 17.5 23.3 3.0 5- NE30.41- 43.0 46.2----
2026-05-21 05:00 amENE 17.5 23.3 2.6 4- NE30.40+0.01 43.5 46.2----
2026-05-21 04:30 am NE 17.5 21.4 2.6 4- NE30.40- 43.5 46.2----
2026-05-21 04:00 amENE 17.5 21.4 2.6 4- NE30.39+0.02 43.7 46.2----
2026-05-21 03:30 amENE 17.5 21.4 2.3 4- NE30.38- 44.1 46.2----
2026-05-21 03:00 am NE 13.6 19.4 2.3 4- NE30.39+0.04 44.6 46.2----
2026-05-21 02:30 am NE 13.6 15.5 2.3 4- NE30.39- 44.2 46.2----
2026-05-21 02:00 am NE 11.7 17.5 2.3 4- NE30.38+0.04 44.6 46.2----
2026-05-21 01:30 am NE 11.7 15.5 2.3 4- NE30.37- 44.8 46.4----
2026-05-21 01:00 am NE 13.6 17.5 2.3 4- NE30.37+0.03 45.3 46.4----
2026-05-21 12:30 am NE 13.6 15.5 2.3 4- NE30.36- 45.1 46.4----
2026-05-21 12:00 amENE 13.6 17.5 2.3 4- NE30.35+0.01 44.8 46.4----
2026-05-20 11:30 pmENE 17.5 23.3 2.3 4- NE30.35- 45.0 46.4----
2026-05-20 11:00 pm NE 19.4 23.3 2.3 5- NE30.34+0.00 44.8 46.4----
2026-05-20 10:30 pmENE 15.5 19.4 2.3 5- NE30.34- 45.5 46.6----
2026-05-20 10:00 pm NE 15.5 19.4 2.0 5- NE30.34+0.00 46.2 46.6----
2026-05-20 09:30 pmNNE 11.7 13.6 1.6 5- NE30.34- 46.2 46.6----
2026-05-20 09:00 pmNNE 11.7 13.6 1.3 4- NE30.34+0.00 46.0 46.6----
Wave Summary
for 45013 as of
(8:00 pm CDT on 05/21/2026)
0100 GMT on 05/22/2026:

These wave data are displayed in rounded times.

     

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 - Significant Wave Height Significant Wave Height (WVHT): 2.3 ft
Previous observations
TIME
(CDT)		 5-day plot - Wave Height
WVHT
ft		 5-day plot - Swell Height
SwH
ft		 5-day plot - Swell Period
SwP
sec		 5-day plot - Swell Direction
SwD
 		 5-day plot - Wind Wave Height
WWH
ft		 5-day plot - Wind Wave Period
WWP
sec		 5-day plot - Wind Wave Direction
WWD
 		 5-day plot - Wave Steepness
STEEPNESS
 		 5-day plot - Average Wave Period
APD
sec
2026-05-21 07:30 pm 2.3------ N/A-
2026-05-21 07:00 pm 2.3------ N/A-
2026-05-21 06:30 pm 2.3------ N/A-
2026-05-21 06:00 pm 2.3------ N/A-
2026-05-21 05:30 pm 2.3------ N/A-
2026-05-21 05:00 pm 2.3------ N/A-
2026-05-21 04:30 pm 2.3------ N/A-
2026-05-21 04:00 pm 2.3------ N/A-
2026-05-21 03:30 pm 2.3------ N/A-
2026-05-21 03:00 pm 2.3------ N/A-
2026-05-21 02:30 pm 2.6------VERY_STEEP-
2026-05-21 02:00 pm 2.6------VERY_STEEP-
2026-05-21 01:30 pm 3.0------VERY_STEEP-
2026-05-21 01:00 pm 2.6------ N/A-
2026-05-21 12:30 pm 3.0------VERY_STEEP-
2026-05-21 12:00 pm 2.6------ N/A-
2026-05-21 11:30 am 2.6------VERY_STEEP-
2026-05-21 11:00 am 2.6------VERY_STEEP-
2026-05-21 10:30 am 2.3------ N/A-
2026-05-21 10:00 am 2.6------ N/A-
2026-05-21 09:30 am 2.6------ N/A-
2026-05-21 09:00 am 2.6------ N/A-
2026-05-21 08:30 am 2.6------VERY_STEEP-
2026-05-21 08:00 am 2.6------VERY_STEEP-
2026-05-21 07:30 am 3.0------VERY_STEEP-
2026-05-21 07:00 am 2.6------VERY_STEEP-
2026-05-21 06:30 am 3.0------VERY_STEEP-
2026-05-21 06:00 am 2.6------VERY_STEEP-
2026-05-21 05:30 am 3.0------VERY_STEEP-
2026-05-21 05:00 am 2.6------VERY_STEEP-
2026-05-21 04:30 am 2.6------ N/A-
2026-05-21 04:00 am 2.6------ N/A-
2026-05-21 03:30 am 2.3------ N/A-
2026-05-21 03:00 am 2.3------ N/A-
2026-05-21 02:30 am 2.3------ N/A-
2026-05-21 02:00 am 2.3------ N/A-
2026-05-21 01:30 am 2.3------ N/A-
2026-05-21 01:00 am 2.3------ N/A-
2026-05-21 12:30 am 2.3------ N/A-
2026-05-21 12:00 am 2.3------ N/A-
2026-05-20 11:30 pm 2.3------ N/A-
2026-05-20 11:00 pm 2.3------ N/A-
2026-05-20 10:30 pm 2.3------ N/A-
2026-05-20 10:00 pm 2.0------ N/A-
2026-05-20 09:30 pm 1.6------ N/A-
2026-05-20 09:00 pm 1.3------ N/A-
Ocean Conditions at 45013 as of
(8:00 pm CDT on 05/21/2026)
0100 GMT on 05/22/2026:

These oceanographic data are displayed in rounded times.

     

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

Depth (DEPTH): 6.6 ft
5-day plot - Ocean Temperature Ocean Temperature (OTMP):46.11 °F
Previous observations
TIME
(CDT)		 DEPTH
ft		 5-day plot - Ocean Temperature
OTMP
°F		 5-day plot - Conductivity
COND
mS/cm		 5-day plot - Salinity
SAL
psu		 5-day plot - Oxygen Saturation
O2%
%		 5-day plot - Oxygen Concentration
O2PPM
ppm		 5-day plot - Chlorophyll
CLCON
ug/l		 5-day plot - Turbidity
TURB
FTU		 5-day plot - pH
PH
 		 5-day plot - Eh
EH
mV
2026-05-21 07:30 pm 6.646.11--------
2026-05-21 07:00 pm 6.646.20--------
2026-05-21 06:30 pm 6.646.20--------
2026-05-21 06:00 pm 6.646.24--------
2026-05-21 05:30 pm 6.646.24--------
2026-05-21 05:00 pm 6.646.22--------
2026-05-21 04:30 pm 6.646.22--------
2026-05-21 04:00 pm 6.646.31--------
2026-05-21 03:30 pm 6.646.31--------
2026-05-21 03:00 pm 6.646.26--------
2026-05-21 02:30 pm 6.646.26--------
2026-05-21 02:00 pm 6.646.26--------
2026-05-21 01:30 pm 6.646.26--------
2026-05-21 01:00 pm 6.646.26--------
2026-05-21 12:30 pm 6.646.26--------
2026-05-21 12:00 pm 6.646.20--------
2026-05-21 11:30 am 6.646.20--------
2026-05-21 11:00 am 6.646.27--------
2026-05-21 10:30 am 6.646.27--------
2026-05-21 10:00 am 6.646.38--------
2026-05-21 09:30 am 6.646.38--------
2026-05-21 09:00 am 6.646.42--------
2026-05-21 08:30 am 6.646.42--------
2026-05-21 08:00 am 6.646.35--------
2026-05-21 07:30 am 6.646.35--------
2026-05-21 07:00 am 6.646.40--------
2026-05-21 06:30 am 6.646.40--------
2026-05-21 06:00 am 6.646.47--------
2026-05-21 05:30 am 6.646.47--------
2026-05-21 05:00 am 6.646.45--------
2026-05-21 04:30 am 6.646.45--------
2026-05-21 04:00 am 6.646.51--------
2026-05-21 03:30 am 6.646.51--------
2026-05-21 03:00 am 6.646.53--------
2026-05-21 02:30 am 6.646.53--------
2026-05-21 02:00 am 6.646.58--------
2026-05-21 01:30 am 6.646.58--------
2026-05-21 01:00 am 6.646.62--------
2026-05-21 12:30 am 6.646.62--------
2026-05-21 12:00 am 6.646.62--------
2026-05-20 11:30 pm 6.646.62--------
2026-05-20 11:00 pm 6.646.74--------
2026-05-20 10:30 pm 6.646.74--------
2026-05-20 10:00 pm 6.646.80--------
2026-05-20 09:30 pm 6.646.80--------
2026-05-20 09:00 pm 6.646.83--------
Solar Radiation Conditions at 45013 as of
(8:00 pm CDT on 05/21/2026)
0100 GMT on 05/22/2026:
     

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 - Short Wave Radiation 1 Short Wave Radiation 1 (SRAD1): 15.1watts/meter2
Previous observations
TIME
(CDT)		 5-day plot - Short Wave Radiation 1
SRAD1
w/m2		 5-day plot - Short Wave Radiation 2
SRAD2
w/m2		 5-day plot - Long Wave Radiation
LRAD
w/m2
2026-05-21 07:30 pm 42.6--
2026-05-21 07:00 pm 76.7--
2026-05-21 06:30 pm 144.3--
2026-05-21 06:00 pm 187.8--
2026-05-21 05:30 pm 258.5--
2026-05-21 05:00 pm 306.6--
2026-05-21 04:30 pm 709.7--
2026-05-21 04:00 pm 796.6--
2026-05-21 03:30 pm 486.6--
2026-05-21 03:00 pm 513.9--
2026-05-21 02:30 pm 532.6--
2026-05-21 02:00 pm 445.7--
2026-05-21 01:30 pm 538.3--
2026-05-21 01:00 pm 420.0--
2026-05-21 12:30 pm 368.2--
2026-05-21 12:00 pm 279.1--
2026-05-21 11:30 am 163.0--
2026-05-21 11:00 am 153.8--
2026-05-21 10:30 am 157.9--
2026-05-21 10:00 am 285.0--
2026-05-21 09:30 am 460.5--
2026-05-21 09:00 am 535.1--
2026-05-21 08:30 am 531.7--
2026-05-21 08:00 am 446.1--
2026-05-21 07:30 am 294.3--
2026-05-21 07:00 am 191.7--
2026-05-21 06:30 am 105.0--
2026-05-21 06:00 am 35.9--
2026-05-21 05:30 am 7.5--
2026-05-21 05:00 am 0.1--
2026-05-21 04:30 am 0.1--
2026-05-21 04:00 am 0.1--
2026-05-21 03:30 am 0.1--
2026-05-21 03:00 am 0.1--
2026-05-21 02:30 am 0.1--
2026-05-21 02:00 am 0.1--
2026-05-21 01:30 am 0.1--
2026-05-21 01:00 am 0.1--
2026-05-21 12:30 am 0.0--
2026-05-21 12:00 am 0.1--
2026-05-20 11:30 pm 0.1--
2026-05-20 11:00 pm 0.1--
2026-05-20 10:30 pm 0.1--
2026-05-20 10:00 pm 0.1--
2026-05-20 09:30 pm 0.1--
2026-05-20 09:00 pm 0.1--