Friday, September18, 2020
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Marine Weather and Tides
Winamac, IN

Version 3.4
NOTICE
8/26/2020 The 7 day forecast is taking about 5 seconds to load but it will eventually load. NOAA is still working on it.
8/18/2020 NOAA continues to have trouble. Wind guest will occasionally be left off graphs. I am working with NOAA to resolve the issue.
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 7:28AMSunset 7:50PM Friday September 18, 2020 12:50 PM EDT (16:50 UTC) Moonrise 7:45AMMoonset 7:58PM Illumination 2% Phase: Waxing Crescent; Moon at 1 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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LMZ745 Expires:202009182115;;003689 Fzus53 Klot 181453 Nshlot Nearshore Marine Forecast National Weather Service Chicago/romeoville Il 953 Am Cdt Fri Sep 18 2020 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. Lmz743>745-182115- Calumet Harbor To Gary-gary To Burns Harbor- Burns Harbor To Michigan City- 953 Am Cdt Fri Sep 18 2020
.small craft advisory in effect through this evening...
Rest of today..Northeast winds 15 to 25 kt. Sunny. Waves 4 to 6 ft occasionally to 8 ft.
Tonight..Northeast winds 10 to 20 kt becoming southeast 10 to 15 kt after midnight. Clear. Waves 3 to 6 ft subsiding to 2 to 4 ft in the late evening and overnight.
Saturday..Southeast winds 10 to 15 kt becoming northeast early in the afternoon. Sunny. Waves 1 to 3 ft.
Saturday night..East winds 10 to 15 kt becoming southeast in the late evening and overnight. Clear. Waves 2 ft or less.
LMZ745


7 Day Forecast for Marine Location Near Winamac, IN
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location: 41.07, -86.71     debug


Area Discussion for - Northern Indiana, IN
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FXUS63 KIWX 181627 AFDIWX

Area Forecast Discussion National Weather Service Northern Indiana 1227 PM EDT Fri Sep 18 2020

SYNOPSIS. Issued at 249 AM EDT Fri Sep 18 2020

Much colder temperatures will be felt into the weekend with temperatures much below normal. Highs today will only be in the 60s, and lows tonight will fall into the 30s, with potential frost. Temperatures will start to rebound on Sunday, and warm through mid-week. The next chance for rain will be Thursday.

SHORT TERM. (Today and Tonight) Issued at 249 AM EDT Fri Sep 18 2020

Cold upper level troughing and surface high pressure will keep the area cool yet dry today, with highs only in the mid 60s. Winds will be northeast and slightly breezy, but will diminish to around 5 mph after sunset. These light winds and clear skies will combine to produce good radiational cooling conditions, and temperatures are expected to fall into the 30s across the forecast area. Frost will therefore be possible, especially to the northeast, and a Frost Advisory is being issued for late tonight into Saturday morning.

LONG TERM. (Saturday through Thursday) Issued at 249 AM EDT Fri Sep 18 2020

Upper troughing will start to shift east on Saturday, and high pressure ridging will build in from the southwest going into the first part of next week. Temperatures will gradually warm during this period, getting into the upper 70s to near 80 by Wednesday, with dry conditions persisting. Troughing returns on Thursday with models bringing a shortwave into the region. There is still a lot of uncertainty though with model differences in location and amount of moisture. Decided to keep the slight chance of showers supported by the NBM and Canadian, although this may end up being another mostly dry front.

AVIATION. (For the 18Z TAFS through 18Z Saturday Afternoon) Issued at 1227 PM EDT Fri Sep 18 2020

North-northeast winds near 10 knots this afternoon will veer more easterly and diminish tonight. Remaining VFR/dry otherwise with little in the way of cloud cover.

IWX WATCHES/WARNINGS/ADVISORIES. IN . Frost Advisory from 2 AM EDT /1 AM CDT/ to 9 AM EDT /8 AM CDT/ Saturday for INZ003>009-012>018-020-022>027-032>034.

Beach Hazards Statement until 3 PM CDT this afternoon for INZ003.

MI . Frost Advisory from 2 AM to 9 AM EDT Saturday for MIZ077>081.

OH . Frost Advisory from 2 AM to 9 AM EDT Saturday for OHZ001-002-004- 005-015-016-024-025.

LM . Small Craft Advisory until 4 PM EDT this afternoon for LMZ046.



SYNOPSIS . Cobb SHORT TERM . Cobb LONG TERM . Cobb AVIATION . Steinwedel

Visit us at www.weather.gov/iwx

Follow us on Facebook . Twitter . and YouTube at: www.facebook.com/NWSNorthernIndiana www.twitter.com/nwsiwx www.youtube.com/NWSNorthernIndiana


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
MCYI3 - Michigan City, IN 47 mi121 min NE 15 G 17 53°F 29°F
CMTI2 - 9087044 - Calumet, IL 63 mi51 min NE 13 G 19 57°F 1028.6 hPa (+2.6)40°F

Wind History for Calumet Harbor, IL
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Starke County Airport, IN18 mi56 minNE 12 G 1710.00 miFair59°F28°F31%1028.4 hPa

Link to 5 minute data for KOXI

Wind History from OXI (wind in knots)
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Last 24hrNE6NE7NE5NE8N14
G18
N12N7N10N5N6N5N5N5N4NE7NE6NE7N8NE8NE5NE8NE9NE10
G15
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1 day agoW7SW6SW7SW8SW9W4CalmS4S4CalmSW3W5NW3N5CalmN4N5NE6NE9NE8NE9E11NE10E10
G15
2 days agoSE5SE6SW6S6S5SW4S3SE3SE3SE3S4CalmCalmCalmS4S4CalmS4S5SW3SW4SW6W6SW8

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
Ground Weather Radar Station Northern Indiana, IN
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weather_mapweather_map weather_map


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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.