Thursday, December12, 2019
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Marine Weather and Tides
Stevensville, MI

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 8:01AMSunset 5:16PM Thursday December 12, 2019 8:30 AM EST (13:30 UTC) Moonrise 5:52PMMoonset 8:22AM Illumination 99% Phase: Full Moon; Moon at 15 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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LMZ043 NEw Buffalo Mi To St Joseph Mi- 435 Am Est Thu Dec 12 2019
.small craft advisory in effect through late tonight...
Today..Southeast wind 10 to 15 knots becoming south 20 to 25 knots this morning. Gusts to 30 knots late morning and afternoon. Increasing cloudiness. Waves 2 to 4 feet building to 3 to 6 feet this afternoon.
Tonight..Southwest wind 15 to 25 knots diminishing to 10 to 20 knots overnight. Gusts up to 30 knots in the evening. Partly cloudy through midnight then becoming mostly cloudy. Waves 3 to 5 feet subsiding to 2 to 4 feet overnight.
Friday..South wind 5 to 15 knots. Cloudy. Waves 1 to 3 feet.
Friday night..South wind 5 to 10 knots. Chance of rain and slight chance of snow after midnight. Waves 1 foot or less. The water temperature off michigan city is 38 degrees.
LMZ043 Expires:201912121730;;231025 FZUS53 KIWX 120935 NSHIWX Nearshore Marine Forecast National Weather Service Northern Indiana 435 AM EST Thu Dec 12 2019 For waters within five nautical miles of shore on Lake Michigan LMZ043-121730-


7 Day Forecast for Marine Location Near Stevensville, MI
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location: 42, -86.48     debug


Area Discussion for - Northern Indiana, IN
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FXUS63 KIWX 121130 AFDIWX

Area Forecast Discussion National Weather Service Northern Indiana 630 AM EST Thu Dec 12 2019

SYNOPSIS. Issued at 400 AM EST Thu Dec 12 2019

Temperatures should recover today from the latest cold air intrusion with highs reaching near 40 today and Friday. Abundant cloud will prevail into this weekend with chances for rain and snow beginning Friday night and continuing through Saturday night. Dry and cold weather is ahead Sunday with highs near 30.

SHORT TERM. (Today through Friday) Issued at 357 AM EST Thu Dec 12 2019

Return flow will increase on the backside of the high pressure area with brisk winds developing as the pressure gradient tightens. Abundant moisture will keep clouds over most of the area, although some breaks are possible. Highs will be around 40 both today and Friday.

LONG TERM. (Friday night through Wednesday) Issued at 357 AM EST Thu Dec 12 2019

An active but generally cold pattern is ahead this weekend through the middle of next week. The initial shortwave trof will reach the area early Saturday and bring chances for rain and snow. Although some accumulation is likely on grassy areas during the day Saturday, any travel issues should be limited to Saturday night when temperatures fall below freezing. After a brief cold air intrusion Sunday, more rain and snow is expected from Sunday night through Monday night with the next system. This setup will be better chances for accumulating snow.

AVIATION. (For the 12Z TAFS through 12Z Friday Morning) Issued at 628 AM EST Thu Dec 12 2019

Little change expected for the 12Z TAFs with windy conditions developing today along with persistence of VFR conditions. A pocket of fairly strong surface pressure falls will quickly shift east across central Wisconsin early this morning and across the western Great Lakes this afternoon. These pressure falls in combination with strengthening sfc gradient will result in sharp uptick in wind speeds by mid morning with south gusts of 25 to 30 knots possible at KSBN late morning into this afternoon. Gradient will be slightly weaker across northeast Indiana which may limit gusts at KFWA to the 20 to 25 knot range. Despite these strong sfc winds, will maintain LLWS mention today into this evening as this warm advection will promote a strong low level inversion favorable for LLWS. Winds to slacken later this evening, and dry conditions will persist through this forecast valid period.

IWX WATCHES/WARNINGS/ADVISORIES. IN . NONE. MI . NONE. OH . NONE. LM . Small Craft Advisory until 1 AM EST Friday for LMZ043-046.



SYNOPSIS . Skipper SHORT TERM . Skipper LONG TERM . Skipper AVIATION . Marsili

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 7 mi31 min SE 4.1 G 13 22°F 1029.5 hPa (-3.0)
MCYI3 - Michigan City, IN 30 mi31 min SSE 15 G 17 24°F 18°F
SVNM4 - South Haven, MI 30 mi31 min E 16 G 20 21°F

Wind History for Holland, MI
(wind in knots)    EDIT      (on/off)   Help
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NW24
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2 days
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S14
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G35
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G26
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G29
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Southwest Michigan Regional Airport, MI10 mi38 minSSE 9 G 187.00 miFair22°F15°F75%1031 hPa
South Bend International Airport, IN22 mi37 minSE 118.00 miFair22°F16°F78%1032 hPa

Link to 5 minute data for KBEH

Wind History from BEH (wind in knots)
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NW10W8W7W3SW3E3SE5SE4SE5SE6SE6SE5SE5SE6SE8SE9SE10SE9
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1 day agoW19
G29
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2 days agoSW9SW11W13W12SW12SW13SW15SW14
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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 Northern Indiana, IN (8,2,3,4)
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Ground Weather Radar Station Northern Indiana, IN
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weather_mapweather_map weather_map

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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 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.