Monday, June1, 2020
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Marine Weather and Tides
Whiting, IN

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 5:16AMSunset 8:21PM Monday June 1, 2020 8:44 PM CDT (01:44 UTC) Moonrise 3:30PMMoonset 2:56AM Illumination 83% Phase: Waxing Gibbous; Moon at 11 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:202006020315;;598725 Fzus63 Kmkx 011958 Glflm Open Lake Forecast For Lake Michigan National Weather Service Milwaukee/sullivan Wi 258 Pm Cdt Mon Jun 1 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.. High pressure of 30.3 inches over the ohio river valley will continue to head southeast today ahead of approaching low pressure. The low will be around 29.4 inches as it passes by to the north of lake superior tonight into Tuesday. Gusty southerly winds are expected ahead of the low this afternoon through tonight. Some rain showers and a few rumbles of Thunder will be possible through the evening. The low will drag a front into the area Tuesday night, bringing a better chance for Thunderstorms to the area. && lmz080-669-671-673-675-777-779-870-872-874-876-878-020315- 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- 258 pm cdt Mon jun 1 2020 sheboygan wi to pentwater mi south...
Tonight..South winds 15 to 25 kt becoming southwest. Slight chance of showers and Thunderstorms this evening. Waves 4 to 7 ft occasionally to 9 ft.
Tuesday..Southwest winds 10 to 20 kt diminishing to 10 to 15 kt. Waves 4 to 7 ft occasionally to 9 ft subsiding to 2 to 4 ft.
Tuesday night..Southwest winds 10 to 15 kt becoming west 10 to 20 kt. Chance of showers and Thunderstorms in the evening, then showers and Thunderstorms likely overnight. Waves 2 to 4 ft.
Wednesday..West winds 10 to 20 kt becoming north. Chance of showers and Thunderstorms. Waves 2 to 4 ft.
Wednesday night..North winds 10 to 15 kt backing to southwest. Waves 1 to 3 ft.
Thursday..South winds 10 to 15 kt increasing to 10 to 20 kt. Waves 1 to 2 ft building to 1 to 3 ft.
Thursday night..South winds 10 to 20 kt becoming southwest 10 to 15 kt. Waves 2 to 4 ft.
Friday..West winds 10 to 15 kt becoming northwest 10 to 20 kt. Waves 1 to 3 ft.
Saturday..North winds 10 to 20 kt. Waves 1 to 3 ft building to 2 to 4 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 012326 AFDLOT

Area Forecast Discussion National Weather Service Chicago/Romeoville, IL 626 PM CDT Mon Jun 1 2020

SHORT TERM. 321 PM CDT

Through Tuesday night .

After lingering light showers clear the area this evening the trend will be toward drier and much warmer conditions tomorrow as heights build aloft and winds turn southwesterly. Moisture will also be on the increase ahead of an approaching frontal zone that should reach the area coincident with an upper wave Tuesday night. Temperatures Tuesday should have no problem climbing above 90 for most of the area unless high cloud cover filters some incoming sunshine. As for rainfall trends tomorrow night, the better forcing aloft and low level convergence both appear to be located north of the WI line during the early overnight hours and then gradually drop south after midnight, though unfavorable diurnal timing and a weakening low level jet may continue to limit the coverage early Wednesday.

Lenning

LONG TERM. 241 PM CDT

Wednesday through Monday .

Ongoing convection is expected to develop into the forecast area from the north early Wednesday morning, as a likely combination of MCS outflow and a cold front sag into the from WI. The best short wave forcing is progged to be moving east of the region during the morning, which along with the typical diurnal minima in instability may result in a decreasing coverage and intensity trend in convection across the area early in the day. Coverage will likely ramp up again during the afternoon however, as diurnal instability redevelops. Models vary a bit with the location of the front at this time, which again will likely be complicated by earlier convective outflow, though it does appear that the southern 2/3 or so of the cwa would be most likely to see afternoon development. Various guidance depicts 1500-2000 J/kg of MLCAPE across our southern cwa, which along with our position along the southern periphery of 20-35 kts of 0-6 km bulk shear would support some severe threat mainly in the form of damaging winds. In addition, the orientation of the low level front/outflow boundary parallel to the deeper flow and a very moist air mass characterized by pwats around 1.80" will present the potential for locally heavy rainfall from these storms. SPC(slight) and WPC (marginal) day 3 outlooks cover the southern 2/3 of our cwa appropriately.

Shower and thunderstorm threat should settle farther south Wednesday night and especially Thursday, as the combined front/outflow continues to sag south across central/southern IL. While the front will be well south of the cwa, the elevated baroclinic zone will be in close enough proximity to maintain some lower probability shower and thunderstorm threat across the far southern portions of the forecast area, with a series of low-amplitude short wave disturbances noted transiting the basically zonal flow aloft. This zonal flow, with no strong cool advection or scouring of low level moisture moisture, will result in relatively warm and humid conditions persisting through the end of the work week, though some lake cooling is expected with weak surface winds allowing daily lake breezes.

Guidance remains in decent agreement in depicting a more amplified short wave tracking across the region Friday, with some warm/moist advection response and a surface cold front likely to increase shower and thunderstorm potential across the area during the day. This wave also is progged to amplify a larger scale trough across the eastern CONUS heading into the weekend, pushing this cold front farther south than the one mid-week, and providing a greater potential for a period of dry weather as upper ridging shifts east across the area from later Friday night through Saturday night. This would also support a bit cooler (70s/low 80s) temps Saturday and Sunday with stronger lake cooling. Upper ridge is forecast to shift east late in the period, with an upper trough shifting east across the Rockies/Plains. While some guidance hints at some minor precip potential Sunday-Monday, the probability appears low and most areas will likely remain dry. Warmer temps do look to return at this distance, as return flow eventually develops ahead of the approaching upper trough.

Ratzer

CLIMATE. 259 AM CDT

The Tuesday, June 2 record daily high in Chicago is actually the lowest daily record high in all of Meteorological Summer. It has a fairly good chance to be reached on Tuesday given the forecast setup. Rockford's record of 98 from 1934 looks safe.

June 2 Record High Years Chicago 92 1944, 1895

MTF

AVIATION. For the 00Z TAFs .

South to southwest winds, gusty at times, will continue through the period along with VFR conditions. Moderately strong low level jet later this evening through early Tuesday morning will result in a marginal LLWS set-up. Otherwise, aviation concerns through the TAF cycle.

- Izzi

LOT WATCHES/WARNINGS/ADVISORIES. IL . None. IN . None. LM . Small Craft Advisory . Winthrop Harbor to Gary IN until 4 AM Tuesday.



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Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
CHII2 - Chicago, IL 14 mi44 min S 19 G 20 69°F 55°F
CNII2 16 mi29 min S 6 G 16 72°F 45°F
JAKI2 16 mi104 min SSW 8.9 G 15 73°F
CMTI2 - 9087044 - Calumet, IL 17 mi56 min S 13 G 19 73°F 1015.3 hPa49°F
OKSI2 17 mi104 min N 1 G 2.9 74°F
45174 24 mi34 min S 16 G 21 58°F3 ft1016.1 hPa
MCYI3 - Michigan City, IN 24 mi44 min S 13 G 19 71°F 42°F
45186 41 mi44 min ENE 12 G 16 62°F 53°F2 ft
SJOM4 - St. Joseph, MI 45 mi44 min SSW 7 G 12 71°F 1017.6 hPa (-2.0)
45187 48 mi44 min SSW 9.7 G 14 58°F 51°F1 ft

Wind History for Calumet Harbor, IL
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Gary Regional Airport, IN20 mi59 minS 910.00 miMostly Cloudy73°F48°F41%1016.9 hPa

Link to 5 minute data for KGYY

Wind History from GYY (wind in knots)
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Last 24hrCalmCalmSE5SE4SE4SE4S4S4SE4S5S4SE5S8--S5S4SW8S9S9S9SE7S12SE11S9
1 day agoNE8NE8NE7NE7N6N6N8N7NE11
G14
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G16
NE11NE8NE7NE8NE7NE9N7NE8NE7NE8NE8NE5E6
2 days agoNE5N6N3NW7NW8NW6NW7NW7NW6N6N6N5N4NE6NE3NE6NE8NE11NE11NE11NE6NE8NE8NE7

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 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 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.