Monday, March18, 2019 L-36.com


Marine Weather and Tides
Whiting, IN

Version 3.4
What's New / NOTES
10/6/2018 Colors of tide XTide graphs changed to emphasize that they were upgraded. See next note. Comments welcome.
10/4/2018 I have fixed XTide and updated the harmonic files. There were some name changes so you might have to click EDIT to find the new station name.

Sunrise 6:55AMSunset 7:01PM Monday March 18, 2019 8:27 PM CDT (01:27 UTC) Moonrise 4:11PMMoonset 5:44AM Illumination 95% Phase: Waxing Gibbous; Moon at 13 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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LMZ779 Expires:201903190330;;569804 Fzus63 Kmkx 182016 Glflm Open Lake Forecast For Lake Michigan National Weather Service Milwaukee/sullivan Wi 316 Pm Cdt Mon Mar 18 2019 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.. A large area of high pressure around 30.4 inches will move slowly east from eastern iowa to the middle atlantic states tonight into Tuesday. A cold front will move across lake michigan Wednesday, as low pressure of 29.8 moves across far northern ontario into quebec. Southwest winds will become gusty ahead of the cold front, especially across the northern half of the lake, with a few gusts around 25 knots. West to northwest winds are expected behind the front on Wednesday into Wednesday night. High pressure of 30.4 inches will then move from the northern plains into southern lake michigan Thursday through Saturday, with some gusty winds Thursday night into Friday ahead of it. Lmz080-669-671-673-675-777-779-870-872-874-876-878-190330- 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- 316 pm cdt Mon mar 18 2019 sheboygan wi to pentwater mi south...
Tonight..Southwest winds 10 to 15 kt becoming west 5 to 10 kt. Waves 1 to 2 ft.
Tuesday..West winds 5 to 10 kt becoming south 10 to 15 kt. Waves 1 ft or less building to 1 to 3 ft.
Tuesday night..South winds 10 to 20 kt becoming southwest. Waves 2 to 4 ft.
Wednesday..Southwest winds 15 to 25 kt. Chance of rain in the morning. Waves 2 to 4 ft.
Wednesday night..West winds 10 to 20 kt becoming northwest. Waves 2 to 4 ft.
Thursday..Northwest winds 10 to 20 kt becoming west. Waves 1 to 3 ft.
Thursday night..West winds 15 to 25 kt becoming northwest to 30 kt. Waves 2 to 4 ft.
Friday..North winds to 30 kt diminishing to 10 to 20 kt. Waves 2 to 4 ft.
Saturday..Northwest winds 10 to 15 kt backing to southwest 10 to 20 kt. Waves 1 to 2 ft.
LMZ779


7 Day Forecast for Marine Location Near Whiting, IN
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location: 41.9, -87.31     debug


Area Discussion for - Chicago, IL
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Fxus63 klot 182335
afdlot
area forecast discussion
national weather service chicago romeoville, il
635 pm cdt Mon mar 18 2019

Short term
1210 pm cdt
through Tuesday...

a weak disturbance in northwest flow will lead to an expansion of
cumulus stratocumulus this afternoon. Low level lapse rates are
steep and this will promote isolated to widely scattered shower
development. Visible satellite suggests that most of the clouds
are shallow initially, there is some limited vertical growth
suggesting some development is expected, and we are already seeing
some echoes on klot radar this afternoon. Given low wet bulb
temperatures, showers could mix with snow or even graupel (small
ice pellets). These showers will taper off fairly quickly after
sunset.

High pressure will pass through central illinois and shift to the
eastern great lakes on Tuesday. Winds will shift to southwesterly
and allow for some additional warming, and many areas will make a
run at 50 degrees or so. Meanwhile, high clouds will spread
overhead as an upper low will sink into the northern and central
plains.

Kmd

Long term
Tuesday night through Monday...

233 pm... Primary forecast concern is a period of rain late
Tuesday night through Wednesday morning. Additional concerns are
high temps through the weekend and possible lake breezes.

Low pressure will move across ontario Tuesday night with a trough
moving across the western lakes region as another low moves from
the central plains to central il Wednesday morning. This second
low will bring a period of rain to the region early Wednesday
morning and the trend is for this to extend a bit further north
than previous forecasts... Perhaps as far north as the i-88 i-90
corridor. Have bumped pops up quite a bit across the area with
categorical pops across the southern cwa. Storm total QPF could
reach a quarter third of an inch... But most of this should fall
south of the fox rock basins. Precip type appears to be mainly
rain. There could be some mixed wet snow flakes as the precip
develops. May also see some brief sleet as the low levels
saturate. Confidence is somewhat low for high temps on Wednesday
and will likely be dependent on the extent of any sunshine by
afternoon. Still have high temps near 50 which may be a tad too
warm to the east and perhaps a few degrees too cool in the west.

As a cold front moves across the area in the afternoon... There is
at least a chance for a few showers but have maintained a dry
forecast for now.

A large ridge of high pressure will move across the region Friday
and gradually shift southeast on Saturday and Sunday. With this
high nearby... Lake breezes will become a concern and with the air
over the lake as cold as it is in mid march... There could be some
significant temperature gradients if the winds turn onshore. From
this distance... It appears an afternoon lake breeze would move
inland Friday... With prevailing southeasterly winds Saturday and
then a south southeast wind Sunday affecting mainly the immediate
il shore. But confidence is too low to include this in the
forecast from this distance. Opted to leave the forecast as is
with high temperatures generally in the 50s with some modest
cooling along the lakeshore. With full sunshine... Highs inland may
be warmer than currently indicated. Next chance of rain appears
to be next Sunday afternoon night. Cms

Aviation
For the 00z tafs...

high pressure over the region will continue to provide fair
weather conditions and diminishing winds the rest of today into
tonight. Winds will back to the south or southwest overnight with
passage of the ridge axis, then steadily increase back to around
10 kt out of the southwest Tuesday morning. Winds should stay
strong enough on Tuesday to keep any lake breezes from advancing
far inland, but will still need to be monitored closely.

AnticipateVFR conditions through the period with only some
passing mid and high clouds. Some showers are possible just beyond
the current TAF periods. Showers are expected to be around or
over the terminals after midnight Tuesday night into Wednesday
morning.

Bmd

Lot watches warnings advisories
Il... None.

In... None.

Lm... None.

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Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
CHII2 - Chicago, IL 14 mi38 min W 12 G 14 42°F 24°F
JAKI2 16 mi88 min W 5.1 G 12 42°F
CMTI2 - 9087044 - Calumet, IL 17 mi40 min W 4.1 G 9.9 40°F 1027.3 hPa24°F
FSTI2 19 mi88 min WSW 7 41°F
BHRI3 - Burns Harbor, IN 20 mi48 min WSW 1.9 G 1.9 39°F 1028.4 hPa
MCYI3 - Michigan City, IN 24 mi38 min Calm G 1 39°F 22°F
WHRI2 - Waukegan Harbor, IL 42 mi48 min WSW 6 G 8 40°F
SJOM4 - St. Joseph, MI 45 mi28 min Calm G 1 35°F 1028.1 hPa (-0.3)

Wind History for Calumet Harbor, IL
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Gary Regional Airport, IN20 mi43 minW 710.00 miMostly Cloudy41°F24°F53%1028.4 hPa

Wind History from GYY (wind in knots)
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Last 24hrCalmCalm--CalmCalmCalmCalmW5W4W5W7W6W4W5W555437W15W10W10W7
1 day agoCalm3--SE3SE3CalmSE3S3CalmCalmS7W9S7W6SW7W7W9SW10SW10N10--N7N5Calm
2 days agoW11
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SW5W15NE76NE744Calm

Tide / Current Tables for
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Tide / Current Tables for
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Weather Map and Satellite Images
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GOES 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.
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Wind Forecast for Chicago, IL (21,6,7,8)
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Ground Weather Radar Station Chicago, IL
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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.