Friday, December13, 2019
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Marine Weather and Tides
Brookfield, WI

Version 3.4
NOTICE
10/9/2019 Updated the Marine Zones.
9/4/2019 Fixed the weather maps due to NOAA moving them.
7/25/2019 New feature in the Airports section gives a link to 5 minute updates for data reports.
6/2/2019. Many thanks to a user for reporting an error on one of the Edit pages. The switch to PHP 7.2 caused many pages that previously worked to quit working. I fixed many but I still depend on users to report ones I missed. Please report errors HERE or send an email to me at L-36.com. Allen

Sunrise 7:13AMSunset 4:19PM Friday December 13, 2019 3:14 PM CST (21:14 UTC) Moonrise 6:50PMMoonset 9:36AM Illumination 95% Phase: Waning Gibbous; Moon at 17 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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LMZ644 Port Washington To North Point Light Wi- 306 Pm Cst Fri Dec 13 2019
Through early evening..North wind 5 knots. Mostly cloudy. Waves around 1 foot.
Tonight..North wind 5 knots becoming northwest after midnight, then becoming northwest 5 to 10 knots early in the morning. Slight chance of snow late in the evening. Slight chance of drizzle in the late evening and overnight. Slight chance of light freezing drizzle early in the morning. Waves around 1 foot.
Saturday..Northwest wind 10 to 15 knots rising to 15 to 20 knots in the afternoon. Slight chance of drizzle and light freezing drizzle through the day. Slight chance of snow in the afternoon. Waves around 1 foot.
Saturday night..Northwest wind 15 to 20 knots. Partly cloudy. Waves 1 to 2 feet.
Sunday..Northwest wind 15 to 20 knots easing to 10 to 15 knots late in the morning, then easing to 5 to 10 knots early in the afternoon becoming northwest 5 to 10 knots late in the afternoon. Partly Sunny. Waves around 1 foot. Wave heights are for ice free areas.
LMZ644 Expires:201912141000;;736086 FZUS53 KMKX 132106 NSHMKX Nearshore Marine Forecast National Weather Service Milwaukee/Sullivan WI 306 PM CST Fri Dec 13 2019 For waters within five nautical miles of shore on Lake Michigan LMZ644-141000-


7 Day Forecast for Marine Location Near Brookfield, WI
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location: 43.06, -88.11     debug


Area Discussion for - Milwaukee/Sullivan, WI
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FXUS63 KMKX 132059 AFDMKX

Area Forecast Discussion National Weather Service Milwaukee/Sullivan WI 259 PM CST Fri Dec 13 2019

SHORT TERM.

Tonight and Saturday . Forecast confidence is high.

The combination of a weak trough drifting through and ample low level moisture will bring the potential for some freezing drizzle tonight into Saturday morning. It may start out as light snow later this afternoon and early evening, then we lose ice in the dendrites zone . so freezing precip. Very little accumulation, but it just takes a bit to cause slippery stretches out there. Colder northwest winds will dry things out on Saturday.

LONG TERM.

Saturday Night through Monday . Forecast Confidence is Moderate/High .

Saturday night through Sunday looks to be mostly quiet with high pressure pushing in from the west. This will keep the system pushing from the Central Plains into the Mississippi Valley to the south. Overnight Sunday into Monday this high pressure will weaken somewhat as the low takes a more northeast track into the Ohio Valley, which could allow for the system clip the far southern parts of the CWA. Given expected dryness in the low levels from entrainment and fairly limited forcing beyond the upper level PVA it is unlikely that much, if any, snow will be seen in the CWA. However, a shift in the system track to the north would increase chances for some light snow across southern parts of the CWA.

Tuesday through Friday . Forecast Confidence is Low/Moderate .

This period, although looks likely to remain fairly quiet at the moment has a lot of uncertainty as the system Monday pushes out of the region into Tuesday. Generally higher pressure is expected for the most part through the middle of next week with an upper level ridge overhead. Though as things change over the next few days late next week could become more interesting broad troughing moving in.

Otherwise Tuesday night looks to be fairly chilly with cooler temperatures brought in by the Monday system. However, temperatures the rest of the period look to be more towards average for this time of year.

AVIATION(21Z TAFS).

Overall, look for MVFR and IFR CIGS across southern Wisconsin through the TAF period. We do have VFR/Clear conditions across the far southeast, but that will fill in by early this evening. IFR CIGS should then overspread southern Wisconsin this evening, along with a slight chance for some freezing drizzle. MVFR CIGS return by mid to late morning on Saturday and remain MVFR into Saturday evening. Light winds tonight will become northwest Saturday morning, then increase to 10-20kts Saturday afternoon.

MARINE.

A low pressure trough will linger over the western Great Lakes through Saturday. Expect light winds through tonight. A powerful low pressure system will deepen quickly as it moves north along the East Coast tonight through Saturday. The low will deepen from 29.6 inches over eastern Virgina tonight to 28.8 inches over southeast Quebec Saturday evening. As a result, northwest winds will increase Saturday afternoon through Saturday night over Lake Michigan. Small craft advisory conditions may briefly be met Saturday evening across the nearshore waters. Gale force winds are not expected. High pressure builds in quickly on Sunday bringing a return to lighter winds through Monday.

MKX WATCHES/WARNINGS/ADVISORIES. WI . None. LM . None.

Tonight/Saturday and Aviation/Marine . Davis Saturday Night through Friday . ARK


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
MLWW3 - Milwaukee, WI 13 mi54 min NNE 6 G 7 34°F
PWAW3 - Port Washington, WI 26 mi34 min ENE 4.1 G 6 34°F 1012.5 hPa
KNSW3 - Kenosha, WI 36 mi74 min ENE 2.9 G 2.9 37°F 1011.2 hPa (-2.3)

Wind History for Calumet Harbor, IL
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Milwaukee-Timmerman, WI5 mi29 minN 07.00 miOvercast36°F26°F70%1011.2 hPa
Waukesha County Airport, WI6 mi29 minN 010.00 miPartly Cloudy36°F28°F75%1010.8 hPa
Milwaukee, General Mitchell International Airport, WI13 mi22 minNNE 56.00 miOvercast with Haze36°F30°F79%1012 hPa

Link to 5 minute data for KUES

Wind History from UES (wind in knots)
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Last 24hrS7
G14
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SW7SW6SW6S5SW6SW7SW3SW4SW4CalmNW3CalmCalmNW3CalmCalmCalmCalmCalmCalm
1 day agoSW8W4CalmCalmCalmCalmS3CalmE3SE3E3CalmS6SE8E6SE10SE10S13S12S10
G16
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2 days agoW8W6W5W6W6SW5W7W8W7W10
G16
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W9W9
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W8W6W7W10W12
G18
W14W11
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W12NW12W7W7

Tide / Current Tables for
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Tide / Current Tables for
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Weather Map
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wmap_A
GEOS Local Image of GreatLakes    EDIT
NOTE: East coast views moved to GEOS-16. They are experimental and not well supported by NOAA so they may not be correct so be warned. This change required redoing a large amount of the GOES code. If the image you are expecting is not showing, please let me know. You may need to use the EDIT function to update your location.
Link to Loop

Other links: Northern Pacific     Contential US     Full GOES-East
Wind Forecast for Milwaukee/Sullivan, WI (16,3,4,5)
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Ground Weather Radar Station Milwaukee, WI
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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.