Friday, March22, 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 6:48AMSunset 7:05PM Friday March 22, 2019 7:18 AM CDT (12:18 UTC) Moonrise 9:12PMMoonset 8:04AM Illumination 98% Phase: Waning Gibbous; Moon at 16 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:201903221530;;737416 Fzus63 Kmkx 220807 Glflm Open Lake Forecast For Lake Michigan National Weather Service Milwaukee/sullivan Wi 307 Am Cdt Fri Mar 22 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.. Gusty northerly winds are expected behind a frontal passage tonight, with gale force winds likely. High pressure of 30.3 inches will then move from the northern plains into the western great lakes region today into Saturday. Weaker winds are expected over the weekend. Strong high pressure of 30.6 inches will build into the area early next week. A cold front will drop southward across the lake ahead of this high later Sunday. Gale force winds and building waves will be possible again Sunday night into Monday morning behind this front. Lmz080-669-671-673-675-777-779-870-872-874-876-878-221530- 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- 307 am cdt Fri mar 22 2019 sheboygan wi to pentwater mi south...
.gale warning in effect through this afternoon...
Today..North gales to 35 kt. Waves 8 to 11 ft occasionally to 14 ft building to 10 to 14 ft occasionally to 18 ft.
Tonight..North winds to 30 kt diminishing to 10 to 15 kt. Waves 8 to 12 ft occasionally to 16 ft subsiding to 4 to 6 ft occasionally to 8 ft.
Saturday..Northwest winds 5 to 10 kt becoming west late in the morning, then becoming southwest early in the afternoon becoming south 10 to 20 kt late. Waves 3 to 5 ft subsiding to 1 to 3 ft.
Saturday night..South winds 10 to 20 kt becoming southwest. Waves 2 to 4 ft.
Sunday..Southwest winds 10 to 15 kt becoming south. Waves 1 to 3 ft subsiding to 1 to 2 ft.
Sunday night..Northeast winds to 30 kt becoming north gales to 35 kt. Chance of rain showers. Waves 4 to 6 ft occasionally to 8 ft building to 6 to 9 ft occasionally to 12 ft.
Monday..Northeast gales to 35 kt becoming north to 30 kt. Waves 7 to 10 ft occasionally to 13 ft.
Tuesday..Southeast winds 10 to 15 kt veering to south 10 to 20 kt. Waves 1 to 3 ft subsiding to 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 221037
afdlot
area forecast discussion
national weather service chicago romeoville, il
537 am cdt Fri mar 22 2019

Short term
233 am cdt
through Saturday...

highly amplified flow remains in place across the CONUS with a
low across the intermountain west, a large amplitude ridge across
the plains, and then meridional flow due south from northern
canada toward the western great lakes upstream. A potent
disturbance in this flow will drive toward the eastern great lakes
today. At the surface, we remain in the gradient region between
the surface high across the northern plains and the low over
quebec.

With the main disturbance headed east of the area, we get grazed
by the cloud shield, and likely hold dry conditions. But we will
get some gusty winds, initially northwest, then shifting north-
northeast as this wave will drive the associated surface
trough cold front into the area this morning. While it is somewhat
of a glancing blow, lakeshore areas will feel the chill with the
stiff wind off the lake, and in spite of there being at least partial
sunshine, readings will hold below normal today, 40s inland, and
only the 30s at the lake and adjacent areas.

We remain in northwest flow tonight aloft, but weak height rises
will nose in from the west and the associated surface high will
move overhead. Therefore expect mostly clear skies and a chilly
late march night with lows in the 20s, even some lower 20s in
outlying areas. Plentiful sunshine and increasing southwest winds
with the high sliding east will make more more seasonal conditions
Saturday. Clouds will increase late in the day as the western
upper low will approach and signal some changes for Sunday.

Kmd

Long term
159 am cdt
Saturday night through Thursday...

next chance of rain arrives late Saturday night into Sunday, as
mid upper level trough moves through the central conus. Confidence
for rain across the region is still on the higher side,
especially Sunday into Sunday evening. Though the closed nature of
this system will likely continue to provide some variability
timing duration and amounts. Have left out thunder for this
period, but will continue to keep an eye on this period to
possibly include some thunder mention. This is mainly for areas
south of i-80, where surface warm front with higher dewpoint air
and instability try to lift north. Anticipate a much larger upper
level trough with colder air to help push this system and rain to
the south Sunday night. Stronger northerly winds Sunday night into
Monday will bring drier and cooler back across the region for the
start of the week.

High pressure builds back across the region early next week, but
then quickly slides to the east on Tuesday. Upper level ridging
with veering low mid level flow will then help a warming trend
through mid week, with above normal temps possible. Rain chances
will then increase once again late in the work week.

Rodriguez

Aviation
For the 12z tafs...

gusty north-northwest winds shifting to north-northeast are the
and timing the wind shifts and speed magnitude the main concerns.

Surface trough front will swing through northwest il and northwest
indiana this morning, with winds shifting to the north northwest
and with speed gusts increasing not long after daybreak. Upstream
observations do not depict much in the way of MVFR ceilings, but
some occasional lowerVFR ceilings may accompany the front once
the colder air arrives. The main upper wave will pass too far to
the east, and thus most of the precip will stay away from the
terminals. Winds will quickly veer to north- northeast near
ord mdw mid to late morning with gusts in the mid 20s possible.

Winds will also diminish some behind the front later this
afternoon, and then more so tonight when the ridge axis will shift
overhead. The high will shift east Saturday morning, with winds
remaining light but beginning to take a south-southeast direction.

Kmd

Lot watches warnings advisories
Il... None.

In... None.

Lm... Small craft advisory... Il nearshore waters until 4 am Saturday.

Small craft advisory... In nearshore waters until 11 am Saturday.

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Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
CHII2 - Chicago, IL 14 mi28 min NNW 17 G 18 38°F 33°F
JAKI2 16 mi78 min N 9.9 G 16 39°F
CMTI2 - 9087044 - Calumet, IL 17 mi30 min 37°F 1015 hPa32°F
FSTI2 19 mi78 min NNW 28 38°F
BHRI3 - Burns Harbor, IN 20 mi38 min N 8 G 9.9 37°F 1015.2 hPa
MCYI3 - Michigan City, IN 24 mi28 min NNW 20 G 22 36°F 32°F
SJOM4 - St. Joseph, MI 45 mi18 min N 15 G 17 36°F 1014.6 hPa (+2.1)

Wind History for Calumet Harbor, IL
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Gary Regional Airport, IN20 mi33 minN 14 G 2910.00 miClear39°F32°F75%1015.6 hPa

Wind History from GYY (wind in knots)
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Last 24hrNW10
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N14N12N3CalmSW4W11SW4SW6SW7--W6W5W3SW3W5W6NW9N14
G29
1 day agoSW94S7S7SW7S8S5SW5S5SW5W6CalmCalmCalmCalm--W7NW5W4W5NW8W7NW7NW10
G20
2 days agoSW3SW7SW7SW8W9SW8S10S8SW9SW10S10S8CalmS4S4--S5S4S5S6S6S5S54

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 Midwest    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 Chicago, IL (8,2,3,4)
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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.