Thursday, April22, 2021
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Marine Weather and Tides
La Porte, IN

Version 3.4
NOTICE
1/26/2021 -- The West Coast Satellite images havd been updated. They now use GEOS-17.
1/1/2021 -- The 7 day forecast are now working well. Thank you NOAA for your support.

Sunrise 5:53AMSunset 7:36PM Thursday April 22, 2021 9:22 AM CDT (14:22 UTC) Moonrise 2:17PMMoonset 3:53AM Illumination 81% 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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LMZ046 Michigan City In To New Buffalo Mi- 348 Am Edt Thu Apr 22 2021
Today..West wind 10 to 15 knots backing southwest around 10 knots in the afternoon. Mostly Sunny. Waves 1 to 3 feet.
Tonight..Southwest wind 10 to 15 knots. Mostly clear. Waves 1 to 3 feet.
Friday..South wind 5 to 15 knots. Slight chance of showers in the afternoon. Waves 1 to 2 feet.
Friday night..Southeast wind 5 to 10 knots. Chance of showers. Waves around 1 foot. The water temperature at st. Joseph is 47 degrees and at michigan city is 46 degrees.
LMZ046 Expires:202104221630;;933110 FZUS53 KIWX 220748 NSHIWX Nearshore Marine Forecast National Weather Service Northern Indiana 348 AM EDT Thu Apr 22 2021 For waters within five nautical miles of shore on Lake Michigan LMZ046-221630-


7 Day Forecast for Marine Location Near La Porte, IN
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location: 41.59, -86.71     debug


Area Discussion for - Northern Indiana, IN
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FXUS63 KIWX 221033 AFDIWX

Area Forecast Discussion National Weather Service Northern Indiana 633 AM EDT Thu Apr 22 2021

SYNOPSIS. Issued at 348 AM EDT Thu Apr 22 2021

Temperatures will finally moderate today with highs rising close to 50 this afternoon as an upper level ridge builds into the area. Frost is likely tonight before the warming trend continues into Friday. Rain is expected to develop Friday night and continue into Saturday with highs in the 50s. Conditions will be dry Sunday through Tuesday with summer-like weather Tuesday and highs in the lower 80s.

SHORT TERM. (Today and Tonight) Issued at 348 AM EDT Thu Apr 22 2021

Temperatures will finally moderate today with highs rising close to 50 this afternoon as an upper level ridge builds into the area. Will let the freeze warning stay in effect as temperatures continue to fall slowly early this morning. Afternoon highs should recover to near 50 degrees. Frosty conditions are expected for one more night as lows drop to around freezing tonight. Given the ongoing freeze warning in effect, did not issue a frost advisory, but will defer any issuance to the next shift.

LONG TERM. (Friday through Wednesday) Issued at 348 AM EDT Thu Apr 22 2021

Two upper level systems will bring two rounds of precipitation to the forecast area this period. The initial short wave will have somewhat limited moisture available Saturday. Have kept thunder out for now with somewhat limited moisture and instability. Otherwise, an upper level ridge will build across the Midwest in response to an upper level trof developing upstream. Highs should reach the lower 80s Tuesday. Much higher precipitable water values will be over the area approaching 1.6 inches per GFS Wednesday. There is a chance for thunderstorms with heavy rain during the middle of next week.

AVIATION. (For the 12Z TAFS through 12Z Friday Morning) Issued at 630 AM EDT Thu Apr 22 2021

The last in the series of upper level short waves is dropping across the southern Great Lakes this morning. Moisture is quite limited with this short wave with just an increase in 5-8 ft clouds for a brief time early this morning. Deep layer subsidence to build in behind this short wave later this morning with mainly clear skies for this afternoon as subsidence inversion becomes more pronounced. Mid level cold pocket will be shifting east of the area today but continued diurnally enhanced steep low level lapse rates should promote some westerly gusts to around 20 knots late morning into this afternoon. Winds to diminish abruptly early this evening, with an increase in high clouds later tonight as upper level ridge axis shifts across the western Great Lakes.

IWX WATCHES/WARNINGS/ADVISORIES. IN . Freeze Warning until 8 AM EDT /7 AM CDT/ this morning for INZ003>009-012>018-020-022>027-032>034.

MI . Freeze Warning until 8 AM EDT this morning for MIZ077>081.

OH . Freeze Warning until 8 AM EDT this morning for OHZ001-002-004- 005-015-016-024-025.

LM . NONE.

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

Visit us at www.weather.gov/iwx

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Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
MCYI3 - Michigan City, IN 14 mi33 min WNW 13 G 14 40°F 1021.3 hPa17°F
BHRI3 - Burns Harbor, IN 23 mi43 min NW 5.1 G 7 40°F 1020.7 hPa
45026 - St. Joseph, MI 28 mi33 min WNW 14 G 18 39°F 46°F2 ft1021 hPa28°F
SJOM4 - St. Joseph, MI 37 mi83 min WNW 13 G 17 40°F 1019.6 hPa
CMTI2 - 9087044 - Calumet, IL 45 mi53 min SW 4.1 G 6 1019.8 hPa

Wind History for Calumet Harbor, IL
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Michigan City Municipal Airport, IN10 mi28 minNW 7 G 1510.00 miFair41°F21°F45%1020.3 hPa
Starke County Airport, IN18 mi45 minWNW 610.00 miFair37°F34°F87%1020.3 hPa
Valparaiso Porter County Municipal Airport, IN19 mi27 minWNW 1010.00 miFair41°F24°F51%1021.1 hPa
South Bend International Airport, IN22 mi29 minWNW 99.00 miFair40°F31°F70%1020.6 hPa

Link to 5 minute data for KMGC

Wind History from MGC (wind in knots)
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N7N6N4CalmCalmCalmCalmCalmCalmCalmCalmCalmCalmCalmS3NW8NW9
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1 day agoN6N6N8NE3N3N9N6N5N6N8N5N5N4NW4CalmNW3NW4CalmCalmCalmSW4SW5SW4S5
2 days agoSW6W7
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NW5W4W4W7W4N3CalmCalmCalmW3CalmNW5N3N5N5NW7N5N3N4NE5N4

Tide / Current Tables for
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NOTE: This section has been updated as of 1/26/2021. If the image you are expecting is not showing, please let me know. You may use the EDIT function to update your location.
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