Saturday, July22, 2017 L-36.com


Marine Weather and Tides
Elmwood Park, WI

Version 3.4
What's New / NOTES
6/25/2017 - NOAA is having a major issue that impact the 7 day forecast load times. Many users are reporting problems. The issue has been reported.
5/23/2017 - Worked with NOAA again to speed up the 7 day forecast load times. Thanks to them for being responsive.
5/19/2016 - There were issues with the 3 day airport observation history. I switched to another data source. Let me know if you see any issues with the data feeds.

Sunrise 5:32AMSunset 8:22PM Saturday July 22, 2017 9:43 PM CDT (02:43 UTC) Moonrise 4:42AMMoonset 7:46PM Illumination 0% Phase: New Moon; Moon at 29 days in cycle
NOTE: Some of the data on this page has not been verified and should be used with that in mind. It may and occasionally will, be wrong. The tide reports are by xtide and are NOT FOR NAVIGATION.
Marine Forecasts
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LMZ646 Wind Point Wi To Winthrop Harbor Il- 858 Pm Cdt Sat Jul 22 2017
Rest of tonight..Southeast wind 5 to 10 knots becoming southwest early in the morning. Patchy fog after midnight. Scattered showers and isolated Thunderstorms after midnight. Waves around 1 foot.
Sunday..Southwest wind 5 to 10 knots veering north in the afternoon. Slight chance of showers and Thunderstorms in the afternoon. Waves around 1 foot.
Sunday night..Northwest wind 5 to 10 knots becoming north 15 to 20 knots. Partly cloudy. Waves 1 to 2 feet building to 2 to 4 feet early in the morning.
Monday..North wind 15 to 20 knots easing to 10 to 15 knots in the late morning and afternoon. Partly Sunny. Waves 3 to 4 feet.
LMZ646 Expires:201707231015;;677064 FZUS53 KMKX 230158 NSHMKX Nearshore Marine Forecast National Weather Service MILWAUKEE/SULLIVAN WI 858 PM CDT Sat Jul 22 2017 For waters within five nautical miles of shore on Lake Michigan LMZ646-231015-

7 Day Forecast for Marine Location Near Elmwood Park, WI
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location: 42.7, -87.8     debug


Area Discussion for - Milwaukee/Sullivan, WI
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Fxus63 kmkx 230212
afdmkx
area forecast discussion
national weather service milwaukee sullivan wi
912 pm cdt Sat jul 22 2017

Update
Isolated thunderstorms especially north areas late this evening,
then mainly showers exiting around sunrise.

Aviation(03z tafs)...

scattered clouds around 35 hundred feet ahead of a trough of low
pressure. Isolated thunderstorms possible late evening into
tonight as a weak wave and associated front move through. Best
chance will arrive 04z in the far northwest, exiting the
southeast by around 10z.

Look for some ifr fog in the river valleys, especially the
wisconsin. Also could have brief ifr MVFR status just after
sunrise.

Then should be a good amount of sunshine Sunday morning, with an
increase in mainlyVFR cumulus late morning into the afternoon.

Could see a couple storms mainly east of madison during the
afternoon hours.

Marine
Winds and waves are expected to remain below small craft advisory
levels this weekend into early next week. Patchy fog is possible
at times this weekend while the higher dewpoints stick around.

The lake breeze should weaken shortly with southwest winds ahead
of a weak trough. Then northwest winds during the morning becoming
northeast Sunday afternoon.

Prev discussion (issued 234 pm cdt Sat jul 22 2017)
discussion...

tonight and Sunday... Forecast confidence is medium to high:
clouds are finally starting to scatter this afternoon, allowing
more sunshine into the area. This should help increase instability
ahead of an approaching wave and associated front. Storms are
expected to develop along and ahead of the approaching system
later this evening, moving into the northwest around 9-11 pm per
latest mesoscale models. An area of isolated to scattered storms
is then expected to progress east to southeast across the forecast
area into the nighttime hours. Could see a strong to severe storm
or two, especially earlier while greater instability lingers.

The deepest moisture will be pushed eastward by Sunday morning,
but should be enough moisture hanging around for a few
showers storms by Sunday afternoon as a weak wave pushes though.

Timing of wave and shower storm initiation puts the best chance
for any activity across the eastern half of the forecast area.

Should be enough sunshine Sunday to push highs into the low 80s
most places.

Sunday night through Tuesday... Forecast confidence is high.

High pressure will be moving in, providing a much quieter period
of weather along with cooler and drier temperatures. Monday is the
pick day of the week with highs in the 70s and dew points in the
upper 50s to lower 60s. Temps begin to climb by Tuesday as the
ridge slides off to the east and we get into a return southerly
flow.

Wednesday and Wednesday night... Forecast confidence is medium.

The gfs ECMWF canadian all bring a frontal boundary south through
wisconsin on Wednesday, possibly initiating a round of showers
and storms mainly Wed afternoon through Wednesday night. The
canadian model brings a secondary low east along the front, far
enough north to bring another round of storms in on Thursday. That
kind of detail is dubious this far out.

Thursday through Saturday... Forecast confidence is medium.

High pressure returns and looks to provide at least another few
days of dry weather and seasonable temperatures late next week.

Aviation(18z tafs)...

finally seeing considerable scattering of the stratus deck this
afternoon as well as a slow raising of the cloud bases. Many
places should return toVFR by late afternoon.

Attention then turns to isolated to scattered storms possible late
evening into tonight as a weak wave and associated front move
through. Best chance will arrive 02z-04z in the northwest,
exiting the southeast by around 8-10z.

Should be a good amount of sunshine Sunday morning, with an
increase in mainlyVFR cumulus late morning into the afternoon.

Could see a couple storms east of madison during the afternoon
hours.

Marine...

winds and waves are expected to remain below small craft advisory
levels this weekend into early next week. Patchy fog is possible
at times this weekend while the higher dewpoints stick around.

Mkx watches warnings advisories
Wi... None.

Lm... None.

Update... Hentz
tonight Sunday and aviation marine... Ddv
Sunday night through Saturday... Davis


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
KNSW3 - Kenosha, WI 8 mi44 min SSE 2.9 G 4.1 73°F 1009.8 hPa (+0.7)
WHRI2 - Waukegan Harbor, IL 23 mi64 min SSE 2.9 G 4.1 74°F
MLWW3 - Milwaukee, WI 24 mi34 min S 1.9 G 2.9 70°F
45013 28 mi65 min S 1.9 G 3.9 70°F 70°F1010.2 hPa
45174 40 mi24 min E 1.9 G 3.9 73°F 74°F72°F
45007 - S MICHIGAN 43NM East Southeast of Milwaukee, WI 41 mi54 min S 5.8 G 5.8 69°F 70°F1009.9 hPa (+0.7)
PWAW3 - Port Washington, WI 48 mi64 min SW 1 G 2.9 71°F 1010.5 hPa

Wind History for Calumet Harbor, IL
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Racine, Batten International Airport, WI4 mi51 minSE 49.00 miMostly Cloudy73°F70°F90%1010.1 hPa
Kenosha, Kenosha Regional Airport, WI11 mi51 minSE 510.00 miFair73°F69°F87%1009.6 hPa
Milwaukee, General Mitchell International Airport, WI19 mi52 minSSE 510.00 miMostly Cloudy73°F68°F84%1009.6 hPa
Chicago/Waukegan Regional Airport, IL20 mi49 minN 010.00 miFair73°F72°F96%1008.8 hPa

Wind History from RAC (wind in knots)
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Last 24hrCalmE6E8SE6NE4CalmSW5S3W5W8W5W6W8W7W9NW6SE7CalmSE7E6E5E5S6SE4
1 day agoSW4SW3CalmCalmW3W5CalmN3CalmS3E3E6E5S6SE8SE6S8E9E5SE11E5E5E6SE4
2 days agoS6W5S15
G24
W11W9W5W3NW4CalmN3S13
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SW9SW8W7W8
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NW11E7E8E7SE6SE6S5S6S3

Tide / Current Tables for
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Tide / Current Tables for
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Weather Map and Satellite Images
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Weather Map
wmap_A
IR Satellite Image from GEOS
east_satellite

GOES Local Image of GreatLakes    EDIT
Geos

Wind Forecast for Milwaukee/Sullivan, WI (22,6,7,8)
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Ground Weather Radar Station Milwaukee, WI
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weather_mapweather_map weather_map

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Disclaimer:
The information on this web site has not been checked for accuracy. It is for entertainment purposes only and should be independently verified before using for any other reason. There are five sources. 1) Documents and manuals from a variety of sources. These have not been checked for accuracy and in many cases have not even been read by anyone associated with L-36.com. I have no idea of they are useful or accurate, I leave that to the reader. 2) Articles others have written and submitted. If you have questions on these, please contact the author. 3) Articles that represent my personal opinions. These are intended to promote thought and for entertainment. These are not intended to be fact, they are my opinions. 4) Small programs that generate result presented on a web page. Like any computer program, these may and in some cases do have errors. Almost all of these also make simplifying assumptions so they are not totally accurate even if there are no errors. Please verify all results. 5) Weather information is from numerious of sources and is presented automatically. It is not checked for accuracy either by anyone at L-36.com or by the source which is typically the US Government. See the NOAA web site for their disclaimer. Finally, tide and current data on this site is from 2007 and 2008 data bases, which may contain even older data. Changes in harbors due to building or dredging change tides and currents and for that reason many of the locations presented are no longer supported by newer data bases. For example, there is very little tidal current data in newer data bases so current data is likely wrong to some extent. This data is NOT FOR NAVIGATION. See the XTide disclaimer for details. In addition, tide and current are influenced by storms, river flow, and other factors beyond the ability of any predictive program.