Sunday, December8, 2019
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Marine Weather and Tides
Monona, 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 7:14AMSunset 4:24PM Sunday December 8, 2019 3:13 PM CST (21:13 UTC) Moonrise 3:37PMMoonset 4:18AM Illumination 90% Phase: Waxing Gibbous; Moon at 12 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- 305 Pm Cst Sun Dec 8 2019
Through early evening..Southwest wind 10 to 15 knots. Cloudy. Waves 1 to 2 feet.
Tonight..Southwest wind 5 to 10 knots backing south late in the evening, then backing east after midnight. Patchy fog after midnight. Rain likely and a chance of drizzle after midnight. Rain with drizzle likely early in the morning. Waves 1 to 2 feet.
Monday..Northeast wind 5 to 10 knots backing north late in the morning, then backing northwest early in the afternoon rising to 10 to 15 knots with gusts to around 20 knots late in the afternoon. Patchy fog in the morning. Drizzle likely in the morning, then rain likely in the afternoon. Waves 1 to 2 feet.
Monday night..Northwest wind 15 to 20 knots becoming 10 to 20 knots late in the evening, then becoming 15 to 20 knots after midnight becoming northwest 15 to 20 knots early in the morning. Gusts up to 25 knots. Chance of light freezing drizzle, snow and drizzle through around midnight. Waves 2 to 4 feet.
Tuesday..Northwest wind 15 to 20 knots. Mostly Sunny. Waves 2 to 4 feet subsiding to 1 to 2 feet in the late morning and afternoon. Wave heights are for ice free areas.
LMZ644 Expires:201912091000;;055312 FZUS53 KMKX 082105 NSHMKX Nearshore Marine Forecast National Weather Service Milwaukee/Sullivan WI 305 PM CST Sun Dec 8 2019 For waters within five nautical miles of shore on Lake Michigan LMZ644-091000-


7 Day Forecast for Marine Location Near Monona, WI
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location: 43.07, -89.32     debug


Area Discussion for - Milwaukee/Sullivan, WI
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FXUS63 KMKX 082025 AFDMKX

Area Forecast Discussion National Weather Service Milwaukee/Sullivan WI 225 PM CST Sun Dec 8 2019

SHORT TERM.

Tonight - Confidence . Medium A frontal boundary sagging southeast from northern WI will gradually weaken somewhat, however as low pressure approaches from the central Plains, there will be an increase in low level moist advection with a lingering 850 baroclinic zone. Would expect stratus/fog/drizzle to evolve later in the night. The meso models show this with very light precipitation developing in the southeast and then advancing north/northwest throughout the area. By and large it looks like the cloud cover streaming northeast should keep temps from falling off too much. The far northwest cwa would be most vulnerable to any freezing potential very late in the night and the confidence of this is too low to issue any advisory at this juncture.

Monday and Monday night - Confidence . Medium After the initial moisture surge there may be a lull in precip for a time before the mid level energy and cold front bring another round of precipitation. Low clouds/fog and perhaps some drizzle will linger with broad surface/850 low in the area. As colder air air works in there will be the potential for some mix and then a change to all snow. Accums still look on the light side with any amounts an inch or less and more towards the northern portion of the forecast area during the afternoon and early evening. Some drying in the dendritic growth zone may result in some patchy freezing drizzle at times. Precipitaion will shift quickly Monday evening with the cold advection on northwest winds becoming prevalent.

LONG TERM.

Tuesday through Thursday Night - Confidence . High A deep upper level trough will allow arctic air to impact the area Tuesday through Wednesday night. Highs will mainly be in the teens to low 20s with overnight lows in the single digits to near zero towards central Wisconsin. Wind chills during this time will single digits and teens during the day and below zero overnight. Dry air will be in place with sunny skies until a shortwave moves through northern Wisconsin Thursday. Some light snow will be possible Thursday afternoon towards central Wisconsin but better chances are farther north. Warmer temperatures are expected Thursday with highs in the upper 20s to low 30s and wind chills in the single digits to teens.

Friday through Sunday - Confidence . Medium The pattern becomes more active in the extended with signs for a few shortwave troughs moving through. There is some uncertainty with the track and timing of these waves that could bring some rain and snow to the area. Have some slight chances in for now. Highs are expected to be in the mid to upper 30s with cooler temperatures for Sunday as a cold front moves through.

AVIATION(21Z TAFS). VFR conditions expected into early this evening. High level cloudiness continues to stream wsw-ene. Lower ceilings well to our northwest behind frontal boundary. Still expecting light rain or drizzle to develop across the area esp after 06z or so. Cigs/vsbys will be heading down as airmass continues to moisten up, so some LIFR conditions are quite plausible very late tonight into Monday. Precipitation will trend to a mix and some light snow Monday afternoon into the early evening as colder air wraps in behind a cold front with precip likely to wind down rather quickly. With the loss of ice crystals during this time some spotty freezing drizzle is possible as well.

MARINE. Pressure gradient slackening as trough approaches from central WI. Gale warning has expired and will let the small craft advisory do the same at 21z. Next focus will be the uptick in winds on Monday evening in the wake of the cold front. Northwest winds may gust high enough to warrant the need for a small craft advisory Monday night, but at this time it looks as if the open lake gusts would remain below gale criteria.

MKX WATCHES/WARNINGS/ADVISORIES. WI . None. LM . Gale Warning until 2 PM CST this afternoon for LMZ080-261-362- 364-366-563-565-567-669-671-673-675-777-779-868-870-872-874- 876-878.

Small Craft Advisory until 3 PM CST this afternoon for LMZ643>646.



Tonight/Monday Night and Aviation/Marine . Collar Tuesday through Sunday . RAR


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
MLWW3 - Milwaukee, WI 76 mi34 min SW 6 G 7 43°F
PWAW3 - Port Washington, WI 80 mi94 min WSW 7 G 13 44°F 1009.8 hPa
KNSW3 - Kenosha, WI 87 mi74 min WSW 9.9 G 19 44°F 1009.8 hPa (-1.4)

Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Madison, Dane County Regional-Truax Field, WI5 mi21 minVar 410.00 miMostly Cloudy41°F32°F70%1008.9 hPa
Middleton Muni - Morey Field, WI12 mi19 minSSW 310.00 miFair42°F32°F68%1008.5 hPa

Link to 5 minute data for KMSN

Wind History from MSN (wind in knots)
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Last 24hrS14
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1 day agoN5CalmCalmCalmCalmCalmCalmS3NW3CalmCalmS4S4S6S7S7S9S9S6S12
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2 days agoS9S5S7S5S6S6CalmNW4NW8N7
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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    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.