Thursday, August17, 2017 L-36.com


Marine Weather and Tides
Wind Lake, 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 6:00AMSunset 7:52PM Thursday August 17, 2017 2:27 PM CDT (19:27 UTC) Moonrise 1:32AMMoonset 4:35PM Illumination 21% Phase: Waning Crescent; Moon at 25 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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LMZ645 North Point Light To Wind Point Wi- 107 Pm Cdt Thu Aug 17 2017
.small craft advisory in effect through Friday afternoon...
Rest of today..Southwest wind 15 to 20 knots with gusts to around 25 knots. Chance of showers and slight chance of Thunderstorms. Waves 2 to 4 feet subsiding to 1 to 2 feet late in the afternoon.
Tonight..West wind 15 to 20 knots with gusts to around 25 knots. Slight chance of showers through around midnight. Waves 1 to 2 feet.
Friday..West wind 15 to 20 knots with gusts to around 25 knots easing to 10 to 15 knots with gusts to around 20 knots in the afternoon. Partly Sunny. Waves 1 to 2 feet.
Friday night..Northwest wind 10 to 15 knots becoming west 5 to 10 knots after midnight. Slight chance of showers and Thunderstorms. Waves around 1 foot.
LMZ645 Expires:201708172200;;532100 FZUS53 KMKX 171807 NSHMKX Nearshore Marine Forecast National Weather Service MILWAUKEE/SULLIVAN WI 106 PM CDT Thu Aug 17 2017 For waters within five nautical miles of shore on Lake Michigan LMZ645-172200-

7 Day Forecast for Marine Location Near Wind Lake, WI
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location: 42.82, -88.15     debug


Area Discussion for - Milwaukee/Sullivan, WI
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Fxus63 kmkx 171922
afdmkx
area forecast discussion
national weather service milwaukee sullivan wi
222 pm cdt Thu aug 17 2017

Short term
Tonight and Friday... Forecast confidence is high.

An occluding low pressure system will track from northern
wisconsin towards lake superior tonight. Any showers due to
instability within the cyclonic regime should quickly end around
sunset. Otherwise, look for mostly cloudy skies tonight. Windy
conditions will continue due to the strong pressure gradient
associated with the departing low. Gusts to around 30 mph are
possible this evening, with gusts decreasing somewhat later
tonight. The winds will remain quite gusty along lake michigan
overnight.

We'll see a bit more sunshine on Friday as low pressure pulls
away. Winds will become gusty during the day as the mixed layer
deepens, and a lingering pressure gradient remains. A shortwave
trough and weak surface low will approach by afternoon, but any
rain chances appear to hold back to our west through early
evening.

Friday night and Saturday... Forecast confidence is high.

The upper trough continues to sharpen across wisconsin Friday
night before reaching the great lakes region Saturday. The
strongest upper level divergence occurs across northern illinois
Friday evening, but moderate 700 mb upward motion does affect far
southern wisconsin until around midnight. The 850 mb
west southwest wind MAX remains to the south more towards central
illinois. The NAM has precipitation mainly to the south of
wisconsin, while the GFS and, to a lesser extent ECMWF does bring
in some rain. GFS zero to 1 km CAPE is around 200 joules kg, but
does have some steeper lapse rates in the 700 to 500 mb layer.

Mid and lower layers then dry, with just enough moisture around
850 mb to bring a few fair weather cumulus Saturday afternoon.

Long term
Saturday night through Sunday... Forecast confidence is high.

The northwest flow becomes more zonal.

Surface high pressure will move across the great lakes with some
weak warm air advection beginning Sunday.

Monday through Thursday... Forecast confidence is medium.

A shortwave will push across the plains Monday and into wisconsin
Monday night and Tuesday.

A surface trough will be near southern wisconsin later Monday and
Tuesday. The ECMWF is slower in bringing precipitation, holding
off until Monday night, while the GFS is faster with showers and
thunderstorms beginning Monday. This system would bring clouds
which will affect viewing the eclipse in southern wi on Monday.

Stay tuned.

Conditions will remain favorable for showers and scattered storms
through Tuesday evening until a cold front drops south. There
could be some severe storms ahead of the front.

High pressure and cooler air will then dominate on Thursday.

Aviation(18z tafs)
Mixture ofVFR MVFR CIGS should continue into tonight. A few lower
cigs are possible, especially north of mke and msn. Scattered
showers should taper off around sunset. Gusty SW winds will veer
westerly tonight, with gusts to around 25 knots at times. Low
level wind shear is possible from this evening into early tonight,
and included this in the tafs. Ceilings should rise toVFR levels
by early tomorrow afternoon, with gusty W to NW winds developing.

Marine
Small craft advisory conditions are expected for the nearshore
waters through early Friday afternoon. Gusty southwest winds this
afternoon will veer westerly tonight, with frequent gusts to 25
knots expected through early Friday afternoon. Mariners should
exercise caution.

Beaches...

a beach hazards statement remains in effect for sheboygan county
through this evening. Winds are now turning more offshore, which
should push the highest waves towards the open waters. Hazardous
swimming conditions should persist until the waves heights decline
later this afternoon.

Mkx watches warnings advisories
Wi... Beach hazards statement until 9 pm cdt this evening for wiz052.

Lm... Small craft advisory until 1 pm cdt Friday for lmz643>646.

Tonight Friday and aviation marine... Spm
Friday night through Thursday... Hentz


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
MLWW3 - Milwaukee, WI 21 mi37 min W 16 G 23 79°F
KNSW3 - Kenosha, WI 24 mi27 min WSW 16 G 21 78°F 1005.1 hPa (-1.3)
45013 25 mi48 min SW 14 G 16 77°F 71°F1004.7 hPa
WHRI2 - Waukegan Harbor, IL 36 mi47 min WSW 11 G 21 73°F
PWAW3 - Port Washington, WI 42 mi47 min WSW 16 G 24 81°F 1004.7 hPa

Wind History for Calumet Harbor, IL
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NE9
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N10
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N7
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G11

Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Burlington Municipal Airport, WI12 mi52 minWSW 10 G 2210.00 miMostly Cloudy75°F65°F74%1006.1 hPa
Waukesha County Airport, WI13 mi42 minWSW 16 G 2810.00 miMostly Cloudy75°F62°F65%1005.8 hPa
Milwaukee, General Mitchell International Airport, WI16 mi35 minWSW 16 G 2310.00 miMostly Cloudy80°F70°F71%1004.1 hPa
Racine, Batten International Airport, WI18 mi34 minSW 17 G 2410.00 miFair80°F70°F71%1004.9 hPa
Kenosha, Kenosha Regional Airport, WI19 mi34 minWSW 18 G 2810.00 miPartly Cloudy and Breezy80°F66°F64%1004.9 hPa
Milwaukee-Timmerman, WI21 mi42 minWSW 17 G 2610.00 miMostly Cloudy79°F60°F54%1004.7 hPa

Wind History from BUU (wind in knots)
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Last 24hrE7E10E11E3E6E4SE4SE4S5S5S3S7S8S5S7SW6S6S8SW11
G16
SW9SW10
G18
SW9
G17
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G23
W10
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1 day agoNE6NE6E8E5E5E4CalmCalmCalmCalmCalmCalmCalmCalmCalmCalmCalmNE4E5SE6E6E5E5SE7
2 days agoCalmS4SW7W3CalmCalmCalmCalmCalmCalmCalmCalmCalmCalmCalmCalmN3N4N4NE5E6E4E8NE5

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 (15,3,4,5)
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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.