Monday, January20, 2020
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Marine Weather and Tides
St. Joseph, MI

Version 3.4
NOTICE
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 7:13AMSunset 4:50PM Monday January 20, 2020 9:48 AM CST (15:48 UTC) Moonrise 4:21AMMoonset 2:12PM 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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LMZ878 Expires:202001202215;;243520 Fzus63 Kmkx 201443 Glflm Open Lake Forecast For Lake Michigan National Weather Service Milwaukee/sullivan Wi 843 Am Cst Mon Jan 20 2020 For Waters Beyond Five Nautical Miles Of Shore On Lake Michigan. Waves Are Provided As A Range Of Significant Wave Heights, Which Is The Average Of The Highest 1/3 Of The Wave, Along With The Average Height Of The Highest 10% Of The Waves Which Will Occasionally Be Encountered.
Synopsis.. Strong high pressure of 30.9 inches will move from the northern plains into southern iowa through tonight, weakening to 30.6 inches as it moves into the ohio river valley Tuesday. Lighter winds are expected during this period. Winds will become southwest with the departing high on Tuesday and more southerly for Wednesday. Low pressure approaching from the southern plains on Friday will bring northerly winds for the weekend. && lmz080-669-671-673-675-777-779-870-872-874-876-878-202215- lake michigan from michigan city in to st. Joseph mi 5 nm offshore to mid lake- lake michigan from sheboygan to port washington wi 5 nm offshore to mid lake- lake michigan from port washington to north point light wi 5 nm offshore to mid lake- lake michigan from north point light to wind point wi 5 nm offshore to mid lake- lake michigan from wind point wi to winthrop harbor il 5 nm offshore to mid lake- lake michigan from winthrop harbor to wilmette harbor il 5 nm offshore to mid lake- lake michigan from wilmette harbor il to michigan city in 5 nm offshore to mid lake- lake michigan from whitehall to pentwater mi 5 nm offshore to mid lake- lake michigan from grand haven to whitehall mi 5 nm offshore to mid lake- lake michigan from holland to grand haven mi 5 nm offshore to mid lake- lake michigan from south haven to holland mi 5 nm offshore to mid lake- lake michigan from st. Joseph to south haven mi 5 nm offshore to mid lake- 843 am cst Mon jan 20 2020 sheboygan wi to pentwater mi south...
Rest of today..Northwest winds 5 to 15 kt. Scattered snow showers. Waves 2 to 4 ft subsiding to 1 to 3 ft.
Tonight..Northwest winds 10 to 15 kt becoming west. Waves 1 to 3 ft.
Tuesday..West winds 10 to 20 kt becoming southwest. Waves 3 to 5 ft.
Tuesday night..Southwest winds to 30 kt. Waves 4 to 7 ft occasionally to 9 ft building to 5 to 8 ft occasionally to 10 ft.
Wednesday..Southwest winds to 30 kt becoming south. Waves 6 to 9 ft occasionally to 12 ft.
Wednesday night..Southwest winds 15 to 25 kt. Chance of rain and snow. Waves 5 to 8 ft occasionally to 10 ft subsiding to 4 to 7 ft occasionally to 9 ft.
Thursday..Southwest winds 10 to 20 kt becoming south. Chance of rain and snow. Waves 4 to 6 ft occasionally to 8 ft subsiding to 2 to 4 ft.
Friday..East winds 10 to 20 kt. Rain and snow likely. Waves 2 to 4 ft.
LMZ878


7 Day Forecast for Marine Location Near St. Joseph, MI
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location: 42.45, -86.93     debug


Area Discussion for - Northern Indiana, IN
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FXUS63 KIWX 201157 AFDIWX

Area Forecast Discussion National Weather Service Northern Indiana 657 AM EST Mon Jan 20 2020

SYNOPSIS. Issued at 300 AM EST Mon Jan 20 2020

Cold temperatures and mainly dry conditions are expected to persist today into tonight, with highs in the 20s today and lows in the teens tonight. Temperatures will gradually moderate into the middle of the week, with highs near 40 degrees by Thursday. A low pressure system will then bring chances for rain and snow by Friday and Saturday.

SHORT TERM. (Today and Tonight) Issued at 300 AM EST Mon Jan 20 2020

Light/cold northerly flow will persist today into tonight on the eastern fringe of an expansive sfc anticyclone dropping southeast into the Mid MS Valley. Lake clouds in far nw IN/sw MI should expand east otherwise today with some potential for isolated to scattered flurries across northern IN and Lower MI. Whether this thin stratocu deck clears out tonight under increasing subsidence will be the key to tonight's low temperature forecast as winds become calm/variable.

LONG TERM. (Tuesday through Sunday) Issued at 300 AM EST Mon Jan 20 2020

Return flow on the backside of high pressure, and in advance of Central US height falls, will set the stage for moderating temps Tuesday through Thursday. Current expectations are for dry/stable airmass within deep layer ridge axis to provide a mostly sunny Tuesday. Clouds then likely increase into Wednesday and Thursday in wake of the ridge axis, with a very low chance for a light rain/snow mix into nw IN/sw MI on Thursday as a weak front approaches from the west.

Guidance has remained steadfast in a storm system phasing over the TN or OH Valley Friday into early Saturday. This system looks to cut- off from the polar jet which is an odd evolution for late January. This should result in light rain as the primary ptype as cold air struggles to advect into this stacked low pressure system. Continued to carry mid chance to likely PoPs and rain/snow mix wording during this time given a marginal temp profile.

AVIATION. (For the 12Z TAFS through 12Z Tuesday Morning) Issued at 654 AM EST Mon Jan 20 2020

Light radiation fog at SBN will lift early this morning with VFR clouds at SBN. However, ceiling should drop down to around 030 or a little lower later today with lower lake clouds drifting back into the area. Otherwise, winds should stay light.

IWX WATCHES/WARNINGS/ADVISORIES. IN . NONE. MI . NONE. OH . NONE. LM . NONE.

SYNOPSIS . Steinwedel SHORT TERM . Steinwedel LONG TERM . Steinwedel AVIATION . Skipper

Visit us at www.weather.gov/iwx

Follow us on Facebook . Twitter . and YouTube at: www.facebook.com/NWSNorthernIndiana www.twitter.com/nwsiwx www.youtube.com/NWSNorthernIndiana


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
SJOM4 - St. Joseph, MI 34 mi48 min SSE 1 G 1.9 22°F 1035.9 hPa (+2.0)
SVNM4 - South Haven, MI 34 mi38 min SSE 1.9 G 2.9 21°F
HLNM4 - 9087031 - Holland, MI 44 mi48 min E 4.1 G 6 22°F 33°F1034.4 hPa (+2.1)18°F
KNSW3 - Kenosha, WI 48 mi48 min NNW 7 G 8.9 20°F 1035.6 hPa (+1.7)
CHII2 - Chicago, IL 50 mi28 min NW 15 G 17 26°F 25°F

Wind History for Holland, MI
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Southwest Michigan Regional Airport, MI34 mi55 minN 02.00 miLight Snow21°F16°F81%1036.9 hPa

Link to 5 minute data for KBEH

Wind History from BEH (wind in knots)
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63E4CalmE3NE6E5E3E3CalmSE4CalmCalmS3S3CalmCalm
1 day agoSW10
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2 days agoSE14SE13SE8SE13
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S9S9

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 Northern Indiana, IN (10,2,3,4)
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Ground Weather Radar Station Grand Rapids/Muskegon, MI
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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.