Wednesday, October28, 2020
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Marine Weather and Tides
Cedar Grove, WI

Version 3.4
NOTICE
8/26/2020 The 7 day forecast is taking about 5 seconds to load but it will eventually load. NOAA is still working on it.
8/18/2020 NOAA continues to have trouble. Wind guest will occasionally be left off graphs. I am working with NOAA to resolve the issue.
12/16/2019 NOAA is having trouble with requests that include wind gusts. I am posting graphs without wind gusts until it gets fixed.
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.

Sunrise 7:21AMSunset 5:48PM Wednesday October 28, 2020 9:54 PM CDT (02:54 UTC) Moonrise 5:01PMMoonset 4:13AM Illumination 93% 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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LMZ643 Sheboygan To Port Washington Wi- 905 Pm Cdt Wed Oct 28 2020
.small craft advisory in effect from 7 am cdt Thursday through late Thursday night...
Rest of tonight..West wind 10 to 15 knots veering northwest with gusts to around 20 knots after midnight, then becoming north 15 to 20 knots early in the morning. Slight chance of showers early in the morning. Waves around 1 foot.
Thursday..North wind 15 to 20 knots veering northeast late in the morning, then becoming 10 to 20 knots early in the afternoon backing north 15 to 20 knots late in the afternoon. Gusts up to 25 knots. Slight chance of showers through the day. Waves 3 to 4 feet building to 5 to 7 feet.
Thursday night..North wind 15 to 20 knots easing to 10 to 15 knots after midnight, then becoming north 10 to 15 knots early in the morning. Mostly cloudy through around midnight then becoming partly cloudy. Waves 4 to 6 feet subsiding to 3 to 4 feet in the late evening and overnight.
Friday..Northwest wind 10 to 15 knots easing to 5 to 10 knots late in the morning, then veering north early in the afternoon becoming northeast late in the afternoon. Partly Sunny in the morning then clearing. Waves 2 to 4 feet subsiding to 1 to 2 feet in the late morning and afternoon.
LMZ643 Expires:202010291000;;995112 FZUS53 KMKX 290206 NSHMKX Nearshore Marine Forecast National Weather Service Milwaukee/Sullivan WI 905 PM CDT Wed Oct 28 2020 For waters within five nautical miles of shore on Lake Michigan LMZ643-291000-


7 Day Forecast for Marine Location Near Cedar Grove, WI
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location: 43.58, -87.85     debug


Area Discussion for - Milwaukee/Sullivan, WI
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FXUS63 KMKX 290159 AFDMKX

Area Forecast Discussion National Weather Service Milwaukee/Sullivan WI 859 PM CDT Wed Oct 28 2020

SHORT TERM. (Issued 200 PM CDT Wed Oct 28 2020)

Tonight and Thursday:

Surface-850 cold front is proggd to slide southward through WI this evening with a decided shift in the winds to the north and northeast. Cold advection will ensue. While the bulk of the mid deck associated with the low/waa zone will remain to our north, we are expecting to see lower clouds increase later tonight into Thursday as the lower level thermal trough gets more entrenched across the area. Meanwhile, with the remnants of Zeta heading into the southeast US, this will set up a tightening pressure gradient all the way into our area between that system and a high pressure ridge in the Plains. So some gustier northeast winds can be expected across especially the southeast portion of the forecast area on Thursday. With a favored onshore flow and some borderline delta values, will retain the already mentioned potential for some lake effect shra before the trajectories trend more unfavorable.

Thursday night and Friday: A mid level wave and a quick shot of waa could lead to a small chance of some very light snow or sprinkles. This potential would be late Thursday night into mainly Friday morning. Will leave out of forecast for now as model disparity on occurrence and questionable column moisture outside of the NAM.

Collar

LONG TERM. (Issued 200 PM CDT Wed Oct 28 2020)

Saturday and Sunday: Pronounced thermal ridge will set up on Saturday ahead of a potent Canadian low passing to north of Lake Superior by days end. Southwest winds gusting to near or slightly above 30 knots is plausible. As we head into Saturday night the trailing cold front will swing through and we will maintain the windy regime but from the northwest with cold advection getting underway. A very blustery day Sunday with some 925 winds showing 40 knots so we may get close to advisory criteria especially with the enhanced downward motion with increasing DAVA within the caa regime.

Monday through Wednesday: Moderation expected this period with a milder westerly flow setting up. We will still have some lingering influence of the thermal trough on Monday but then the westerly flow kicks in for Tuesday and Wednesday so we should see a rebound in temperatures then.

Collar

AVIATION. (Issued 859 PM CDT Wed Oct 28 2020)

A cold front will move through the area late tonight into early tomorrow morning, bringing with it a period of MVFR ceilings, along with gusty north to northeast winds. Ceilings should improve tomorrow afternoon, with winds diminishing late tomorrow afternoon into tomorrow night.

Boxell

MARINE. (Issued 859 PM CDT Wed Oct 28 2020)

A cold front is starting to move south across the lake this evening, and will continue through the overnight hours. Gusty north to northeast winds are expected behind the front late tonight and tomorrow, with 20-30 knot gusts expected. A Small Craft Advisory is in effect beginning early tomorrow morning on account of the winds and building waves across the nearshore.

Relatively quiet conditions are expected for Thursday night and Friday. By the weekend, strong low pressure is expected to move across southern Canada, with gales looking increasingly likely Saturday through Sunday night. Some storm force winds will be possible across the northern reaches of the lake as well, especially Sunday and Sunday night.

Boxell

MKX WATCHES/WARNINGS/ADVISORIES. WI . None. LM . Small Craft Advisory . LMZ643-LMZ644-LMZ645-LMZ646 . 7 AM Thursday to 1 AM Friday.



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Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
PWAW3 - Port Washington, WI 13 mi75 min SW 4.1 G 5.1 46°F 1013.9 hPa
SGNW3 - Sheboygan, WI 14 mi55 min SW 6 G 7 47°F
MLWW3 - Milwaukee, WI 40 mi45 min W 5.1 G 6 46°F

Wind History for Kewaunee MET, WI
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Sheboygan County Memorial Airport, WI14 mi62 minS 310.00 miFair41°F30°F65%1013.1 hPa
West Bend Municipal Airport, WI18 mi60 minWSW 610.00 miFair43°F26°F53%1012.9 hPa

Link to 5 minute data for KSBM

Wind History from SBM (wind in knots)
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Last 24hrS3SW6SW7SW8SW10SW12SW11SW14SW9SW11SW12--W13W10W12SW10SW9
G17
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1 day agoNW3NW5NW4NW6NW5NW5NW5NW5NW4W5NW4W4W3W6W10SW10SW8W8SW7SW9SW7SW5SW4Calm
2 days agoN6N7N6N7N5NW5NW7NW6NW7NW6NW9NW11NW8
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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
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 numerous 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.