Monday, July22, 2019 L-36.com


Marine Weather and Tides
Evanston, IL

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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 5:32AMSunset 8:21PM Monday July 22, 2019 5:54 PM CDT (22:54 UTC) Moonrise 11:35PMMoonset 10:56AM Illumination 67% Phase: Waning Gibbous; Moon at 21 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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LMZ741 Expires:201907230330;;471129 Fzus53 Klot 221949 Nshlot Nearshore Marine Forecast National Weather Service Chicago/romeoville Il 249 Pm Cdt Mon Jul 22 2019 For Waters Within 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 Waves, Along With The Average Height Of The Highest 10 Percent Of The Waves Which Will Occasionally Be Encountered. Lmz740>742-230330- Winthrop Harbor To Wilmette Harbor- Wilmette Harbor To Northerly Island- Northerly Island To Calumet Harbor- 249 Pm Cdt Mon Jul 22 2019
.small craft advisory in effect until 11 pm cdt this evening...
Tonight..North winds 15 to 25 kt becoming northwest 10 to 20 kt in the evening, then diminishing to 10 to 15 kt after midnight. A few gusts to 30 kt through early evening. Sunny in the afternoon then becoming clear. Waves 4 to 7 ft occasionally to 9 ft subsiding to 2 to 4 ft.
Tuesday..Northwest winds 10 to 15 kt becoming north 5 to 10 kt in the afternoon. Slight chance of showers and Thunderstorms in the afternoon. Waves 1 to 3 ft subsiding to 1 ft or less in the afternoon.
Tuesday night..North winds 5 to 10 kt becoming northwest after midnight. Mostly clear. Waves 1 ft or less.
Wednesday..North winds 5 to 10 kt becoming east in the afternoon. Sunny. Waves 1 ft or less.
LMZ741


7 Day Forecast for Marine Location Near Evanston, IL
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location: 42.03, -87.69     debug


Area Discussion for - Chicago, IL
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Fxus63 klot 221922
afdlot
area forecast discussion
national weather service chicago romeoville, il
222 pm cdt Mon jul 22 2019

Short term
221 pm cdt
through Tuesday night...

high pressure situated across the plains will continue to build
across the region through the period, but with the CWA remaining
on the eastern edge of this high. This will support continued
northerly winds, however, with diminishing speeds expected later
tonight into Tuesday as the gradient across the area weakens. With
these lighter winds, will see waves across the southern end of
the lake subside, and the hazardous conditions along near the lake
improve. With the continued northerly winds, it is possible that
the waves remain somewhat elevated, and will continue to monitor
trends later tonight into Tuesday. Overall dry through the period,
but will see a possibility for isolated showers storms Tuesday
afternoon through early evening. A slight increase in moisture is
anticipated Tuesday, and will help support some weak instability
across the region. With cyclonic flow in place and the possibility
for some weak surface forcing, can't completely rule out this
isolated development.

Rodriguez

Long term
221 pm cdt
Wednesday through Monday...

generally quiet to start the period, as the previously mentioned
high finally builds across the area. Precip chances expected to be
real low for the remainder of the work week into the start of the
weekend, while a warming trend back towards above normal temps is
observed. 90 degree temps are appearing to be more probably by
Saturday and Sunday, ahead of an approaching surface trough front.

These features look to provide the next chances for precip early
next week, however, confidence is low on timing location at this
time.

Rodriguez

Aviation
For the 18z tafs...

vfr and dry conditions expected for much of the forecast period,
however, increasing potential for isolated shower or thunderstorm
development Tuesday afternoon. With lower confidence in place,
have only included a prob30 at this time. Gusty north northeast
winds will continue this afternoon, and then diminish while
becoming more north northwest this evening overnight. A wind shift
back to the northeast is appearing possible Tuesday afternoon.

Rodriguez

Lot watches warnings advisories
Il... Beach hazards statement... Ilz014 until 5 am Tuesday.

Lakeshore flood advisory... Ilz014 until 5 am Tuesday.

Beach hazards statement... Ilz006 until 11 pm Monday.

In... Beach hazards statement... Inz001-inz002 until 5 am Tuesday.

Lakeshore flood advisory... Inz001-inz002 until 5 am Tuesday.

Lm... Small craft advisory... Il nearshore waters until 11 pm Monday.

Small craft advisory... In nearshore waters until 5 am Tuesday.

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Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
FSTI2 4 mi115 min NNE 16 69°F
45174 7 mi35 min N 14 G 19 68°F5 ft1018.5 hPa
OKSI2 9 mi115 min ENE 9.9 G 14 71°F
45177 10 mi175 min 70°F1 ft
CHII2 - Chicago, IL 10 mi55 min N 18 G 20 70°F 53°F
CNII2 13 mi40 min N 8.9 G 16 71°F 52°F
JAKI2 18 mi115 min NNE 12 G 19 71°F
CMTI2 - 9087044 - Calumet, IL 22 mi61 min N 11 G 18 71°F 1017.9 hPa53°F
45186 24 mi55 min NNE 12 G 16 68°F 67°F3 ft
45187 32 mi35 min NNE 9.7 G 14 73°F 67°F3 ft
BHRI3 - Burns Harbor, IN 39 mi75 min N 12 G 14 69°F 1018.3 hPa
KNSW3 - Kenosha, WI 39 mi55 min N 11 G 12 67°F 1018.6 hPa (+0.0)
45170 43 mi35 min N 19 G 25 69°F 66°F9 ft53°F
MCYI3 - Michigan City, IN 46 mi35 min N 21 G 23 68°F 53°F

Wind History for Calumet Harbor, IL
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Last
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N9
G13
NW6
G9
NW5
G10
N7
G11
N7
G11
NW5
G8
NW5
NW9
G13
N9
G14
NW8
G12
N9
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N11
G15
N10
G14
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G17
N12
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G20
N12
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N11
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N11
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N13
G20
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G22
N11
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N12
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N10
G14
SE7
G10
SE5
G8
S6
S6
G9
SW1
G4
S1
NW6
NW8
G16
NW4
G9
NW4
G8
NW5
G8
NE5
G9
N4
N4
N5
N9
G13
NW10
G18
N10
G15
N9
G16
N9
G12
N3
G6
N8
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SW10
G16
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G23
S14
G20
SW11
G15
SW12
G17
S12
G19
S12
G15
SW10
G16
SW6
G11
SW6
NE12
G15
NE13
G19
SE11
G17
SE11
G17
S10
G15
S13
G18
S10
G14
SW7
G13
S11
G14
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G17
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G19
SW11
G17
SW6
G13
N14
G25

Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Chicago / Wheeling, Pal-Waukee Airport, IL12 mi63 minNE 12 G 2010.00 miFair74°F51°F45%1018.5 hPa
Chicago, Chicago-O'Hare International Airport, IL12 mi64 minNE 1210.00 miA Few Clouds73°F52°F48%1018 hPa
Chicago, Chicago Midway Airport, IL17 mi62 minNNE 13 G 2310.00 miA Few Clouds75°F52°F45%1017.4 hPa

Wind History from PWK (wind in knots)
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Last 24hrNE8N7N3N5N7N6N5N8N5N5N8N7N8N10N11
G20
N9
G20
N14
G21
NE13
G19
NE11
G21
NE12
G20
N11
G19
NE13
G21
NE12
G21
NE12
G20
1 day agoSE4S8S8S7CalmNW8N5N9NE8NE5NW8NE11
G14
NE6CalmNE5N7N8N7N5N9NE12N14
G18
N8N13
G22
2 days agoSW10SW8S9SW7S8S14
G19
SW9
G18
SW7
G17
S7NE9
G16
E11
G20
SE7
G15
SE6S13S12S13SW9S10SW12SW11
G20
SW9
G24
SW12
G20
NE15
G31
N16
G31

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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wmap_A
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.
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Wind Forecast for Chicago, IL (18,4,5,8)
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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.