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 am CDT)
1300 GMT on 05/20/2026:
     

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): 1.9 kts
5-day plot - Wind Gust Wind Gust (GST): 3.9 kts
5-day plot - Wave Height Wave Height (WVHT): 0.3 ft
5-day plot - Mean Wave Direction Mean Wave Direction (MWD):NNE ( 26 deg true )
5-day plot - Atmospheric Pressure Atmospheric Pressure (PRES):30.30 in
5-day plot - Pressure Tendency Pressure Tendency (PTDY):+0.08 in ( Rising )
5-day plot - Air Temperature Air Temperature (ATMP): 47.5 °F
5-day plot - Water Temperature Water Temperature (WTMP): 46.0 °F
5-day plot - Wind Speed at 10 Meters Wind Speed at 10 meters (WSPD10M): 3.9 kts
5-day plot - Wind Speed at 20 Meters Wind Speed at 20 meters (WSPD20M): 3.9 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
2026-05-20 07:30 am NE 3.9 3.9 0.3--NNE30.28- 47.5 46.0----
2026-05-20 07:00 am N 3.9 5.8 0.7--NNE30.27+0.06 46.9 46.0----
2026-05-20 06:30 am N 5.8 5.8 0.7--NNE30.26- 47.5 46.0----
2026-05-20 06:00 am N 3.9 5.8 0.7--NNE30.25+0.06 47.5 46.0----
2026-05-20 05:30 am NE 5.8 7.8 0.7--NNE30.24- 48.4 46.0----
2026-05-20 05:00 amNNW 7.8 7.8 0.7--NNE30.22+0.05 48.4 46.0----
2026-05-20 04:30 amNNW 7.8 7.8 0.7--NNE30.22- 48.7 46.0----
2026-05-20 04:00 amNNW 7.8 11.7 0.7-- N30.22+0.03 49.5 46.2----
2026-05-20 03:30 am NW 9.7 11.7 0.7-- N30.20- 49.6 46.2----
2026-05-20 03:00 am NW 11.7 15.5 0.7-- N30.19+0.02 50.4 46.2----
2026-05-20 02:30 am NW 11.7 13.6 0.7--NNE30.18- 50.7 46.4----
2026-05-20 02:00 am NW 11.7 13.6 0.7--NNE30.17+0.03 51.1 46.4----
2026-05-20 01:30 am NW 11.7 15.5 0.7--NNE30.19- 51.3 46.6----
2026-05-20 01:00 amNNW 7.8 9.7 1.0 2- N30.19+0.08 51.6 46.6----
2026-05-20 12:30 am NW 9.7 15.5 1.0 2-NNW30.18- 52.2 46.8----
2026-05-20 12:00 am NW 11.7 15.5 1.0 2-NNW30.17+0.12 52.5 46.9----
2026-05-19 11:30 pm NW 17.5 19.4 1.0-- NW30.15- 54.1 46.9----
2026-05-19 11:00 pm NW 13.6 17.5 0.7-- NW30.14+0.12 54.9 47.1----
2026-05-19 10:30 pm NW 11.7 13.6 0.7--SSE30.13- 55.6 47.3----
2026-05-19 10:00 pm NW 9.7 13.6 0.7-- SE30.11+0.11 55.8 47.1----
2026-05-19 09:30 pmWNW 5.8 7.8 1.0 4- SE30.09- 54.1 46.9----
2026-05-19 09:00 pm NW 7.8 9.7 1.0 4- SE30.05+0.06 54.9 46.6----
2026-05-19 08:30 pm NW 9.7 11.7 1.0 5-ENE30.03- 55.6 46.4----
2026-05-19 08:00 pm NW 13.6 17.5 1.3 5- E30.03+0.06 57.9 46.6----
2026-05-19 07:30 pm NW 11.7 15.5 1.3 5-NNE30.02- 57.6 46.6----
2026-05-19 07:00 pm NW 11.7 15.5 1.3 5-NNE30.00+0.07 57.9 46.6----
2026-05-19 06:30 pmWNW 15.5 21.4 1.6 5-WNW30.00- 59.5 46.9----
2026-05-19 06:00 pm W 19.4 27.2 1.6 5- S29.99+0.09 60.3 46.9----
2026-05-19 05:30 pmWNW 19.4 23.3 1.3 5- SE29.98- 61.0 47.1----
2026-05-19 05:00 pm NW 15.5 23.3 1.3 4-SSW29.96+0.10 59.5 47.1----
2026-05-19 04:30 pm W 13.6 17.5 1.3 4-SSW29.95- 61.3 47.1----
2026-05-19 04:00 pmWNW 19.4 25.3 1.3 5- S29.93+0.08 62.2 47.3----
2026-05-19 03:30 pmWNW 17.5 21.4 1.0 4-SSE29.91- 65.1 47.3----
2026-05-19 03:00 pm W 7.8 9.7 1.3 4- S29.90+0.04 64.2 47.3----
2026-05-19 02:30 pmWSW 15.5 19.4 1.3 4- S29.88- 67.1 47.5----
2026-05-19 02:00 pmWSW 17.5 21.4 1.3 4- S29.86+0.00 70.5 47.5----
2026-05-19 01:30 pmWSW 21.4 27.2 1.3 4- S29.86- 71.4 47.7----
2026-05-19 01:00 pm W 15.5 19.4 1.3 4-SSE29.85+0.01 70.5 48.0----
2026-05-19 12:30 pmWSW 11.7 15.5 1.3 4-SSE29.84- 70.5 48.0----
2026-05-19 12:00 pm W 11.7 15.5 1.3 4-SSE29.85+0.01 68.0 48.0----
2026-05-19 11:30 amWSW 15.5 23.3 1.3 4-SSE29.86- 68.7 48.0----
2026-05-19 11:00 amWSW 9.7 15.5 1.3 4-SSE29.86+0.01 67.1 48.0----
2026-05-19 10:30 am W 11.7 15.5 1.3 4-SSE29.84- 67.8 48.0----
2026-05-19 10:00 amWSW 13.6 17.5 1.3 4-SSE29.85+0.03 66.9 47.8----
2026-05-19 09:30 am W 13.6 17.5 1.3 4-SSE29.85- 66.2 47.7----
2026-05-19 09:00 am W 11.7 15.5 1.6 4-SSE29.84+0.05 64.8 47.7----
Wave Summary
for 45013 as of (8:00 am CDT)
1300 GMT on 05/20/2026:

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): 0.3 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
2026-05-20 07:30 am 0.3------ N/A-
2026-05-20 07:00 am 0.7------ N/A-
2026-05-20 06:30 am 0.7------ N/A-
2026-05-20 06:00 am 0.7------ N/A-
2026-05-20 05:30 am 0.7------ N/A-
2026-05-20 05:00 am 0.7------ N/A-
2026-05-20 04:30 am 0.7------ N/A-
2026-05-20 04:00 am 0.7------ N/A-
2026-05-20 03:30 am 0.7------ N/A-
2026-05-20 03:00 am 0.7------ N/A-
2026-05-20 02:30 am 0.7------ N/A-
2026-05-20 02:00 am 0.7------ N/A-
2026-05-20 01:30 am 0.7------ N/A-
2026-05-20 01:00 am 1.0------ N/A-
2026-05-20 12:30 am 1.0------ N/A-
2026-05-20 12:00 am 1.0------ N/A-
2026-05-19 11:30 pm 1.0------ N/A-
2026-05-19 11:00 pm 0.7------ N/A-
2026-05-19 10:30 pm 0.7------ N/A-
2026-05-19 10:00 pm 0.7------ N/A-
2026-05-19 09:30 pm 1.0------ N/A-
2026-05-19 09:00 pm 1.0------ N/A-
2026-05-19 08:30 pm 1.0------ N/A-
2026-05-19 08:00 pm 1.3------ N/A-
2026-05-19 07:30 pm 1.3------ N/A-
2026-05-19 07:00 pm 1.3------ N/A-
2026-05-19 06:30 pm 1.6------ N/A-
2026-05-19 06:00 pm 1.6------ N/A-
2026-05-19 05:30 pm 1.3------ N/A-
2026-05-19 05:00 pm 1.3------ N/A-
2026-05-19 04:30 pm 1.3------ N/A-
2026-05-19 04:00 pm 1.3------ N/A-
2026-05-19 03:30 pm 1.0------ N/A-
2026-05-19 03:00 pm 1.3------ N/A-
2026-05-19 02:30 pm 1.3------ N/A-
2026-05-19 02:00 pm 1.3------ N/A-
2026-05-19 01:30 pm 1.3------ N/A-
2026-05-19 01:00 pm 1.3------ N/A-
2026-05-19 12:30 pm 1.3------ N/A-
2026-05-19 12:00 pm 1.3------ N/A-
2026-05-19 11:30 am 1.3------ N/A-
2026-05-19 11:00 am 1.3------ N/A-
2026-05-19 10:30 am 1.3------ N/A-
2026-05-19 10:00 am 1.3------ N/A-
2026-05-19 09:30 am 1.3------ N/A-
2026-05-19 09:00 am 1.6------ N/A-
Ocean Conditions at 45013 as of
(8:00 am CDT)
1300 GMT on 05/20/2026:

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):46.38 °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
2026-05-20 07:30 am 6.646.38--------
2026-05-20 07:00 am 6.646.31--------
2026-05-20 06:30 am 6.646.31--------
2026-05-20 06:00 am 6.646.31--------
2026-05-20 05:30 am 6.646.31--------
2026-05-20 05:00 am 6.646.31--------
2026-05-20 04:30 am 6.646.31--------
2026-05-20 04:00 am 6.646.31--------
2026-05-20 03:30 am 6.646.31--------
2026-05-20 03:00 am 6.646.58--------
2026-05-20 02:30 am 6.646.58--------
2026-05-20 02:00 am 6.646.71--------
2026-05-20 01:30 am 6.646.71--------
2026-05-20 01:00 am 6.646.94--------
2026-05-20 12:30 am 6.646.94--------
2026-05-20 12:00 am 6.646.94--------
2026-05-19 11:30 pm 6.646.94--------
2026-05-19 11:00 pm 6.647.46--------
2026-05-19 10:30 pm 6.647.46--------
2026-05-19 10:00 pm 6.647.32--------
2026-05-19 09:30 pm 6.647.32--------
2026-05-19 09:00 pm 6.646.87--------
2026-05-19 08:30 pm 6.646.87--------
2026-05-19 08:00 pm 6.646.78--------
2026-05-19 07:30 pm 6.646.78--------
2026-05-19 07:00 pm 6.646.92--------
2026-05-19 06:30 pm 6.646.92--------
2026-05-19 06:00 pm 6.647.26--------
2026-05-19 05:30 pm 6.647.26--------
2026-05-19 05:00 pm 6.647.43--------
2026-05-19 04:30 pm 6.647.43--------
2026-05-19 04:00 pm 6.647.55--------
2026-05-19 03:30 pm 6.647.55--------
2026-05-19 03:00 pm 6.647.62--------
2026-05-19 02:30 pm 6.647.62--------
2026-05-19 02:00 pm 6.647.62--------
2026-05-19 01:30 pm 6.647.62--------
2026-05-19 01:00 pm 6.648.22--------
2026-05-19 12:30 pm 6.648.22--------
2026-05-19 12:00 pm 6.648.16--------
2026-05-19 11:30 am 6.648.16--------
2026-05-19 11:00 am 6.648.11--------
2026-05-19 10:30 am 6.648.11--------
2026-05-19 10:00 am 6.648.04--------
2026-05-19 09:30 am 6.648.04--------
2026-05-19 09:00 am 6.647.88--------
Solar Radiation Conditions at 45013 as of
(8:00 am CDT)
1300 GMT on 05/20/2026:
     

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): 455.9watts/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
2026-05-20 07:30 am 330.4--
2026-05-20 07:00 am 163.4--
2026-05-20 06:30 am 103.1--
2026-05-20 06:00 am 62.8--
2026-05-20 05:30 am 10.9--
2026-05-20 05:00 am 0.1--
2026-05-20 04:30 am 0.1--
2026-05-20 04:00 am 0.0--
2026-05-20 03:30 am 0.1--
2026-05-20 03:00 am 0.0--
2026-05-20 02:30 am 0.0--
2026-05-20 02:00 am 0.0--
2026-05-20 01:30 am 0.0--
2026-05-20 01:00 am 0.0--
2026-05-20 12:30 am 0.0--
2026-05-20 12:00 am 0.0--
2026-05-19 11:30 pm 0.0--
2026-05-19 11:00 pm 0.0--
2026-05-19 10:30 pm 0.0--
2026-05-19 10:00 pm 0.6--
2026-05-19 09:30 pm 2.3--
2026-05-19 09:00 pm 0.0--
2026-05-19 08:30 pm 0.2--
2026-05-19 08:00 pm 9.1--
2026-05-19 07:30 pm 24.1--
2026-05-19 07:00 pm 69.0--
2026-05-19 06:30 pm 276.4--
2026-05-19 06:00 pm 247.5--
2026-05-19 05:30 pm 526.4--
2026-05-19 05:00 pm 411.7--
2026-05-19 04:30 pm 597.3--
2026-05-19 04:00 pm 755.4--
2026-05-19 03:30 pm 218.8--
2026-05-19 03:00 pm 29.9--
2026-05-19 02:30 pm 164.9--
2026-05-19 02:00 pm 334.5--
2026-05-19 01:30 pm 115.5--
2026-05-19 01:00 pm 457.0--
2026-05-19 12:30 pm 993.4--
2026-05-19 12:00 pm 983.7--
2026-05-19 11:30 am 567.2--
2026-05-19 11:00 am 437.7--
2026-05-19 10:30 am 460.4--
2026-05-19 10:00 am 150.2--
2026-05-19 09:30 am 405.5--
2026-05-19 09:00 am 241.8--