Saturday, September23, 2017 L-36.com


Marine Weather and Tides
St. Joseph, MI

Version 3.4
What's New / NOTES
6/25/2017 - NOAA is having a major issue that impact the 7 day forecast load times. Many users are reporting problems. The issue has been reported.
5/23/2017 - Worked with NOAA again to speed up the 7 day forecast load times. Thanks to them for being responsive.
5/19/2016 - There were issues with the 3 day airport observation history. I switched to another data source. Let me know if you see any issues with the data feeds.

Sunrise 6:39AMSunset 6:46PM Saturday September 23, 2017 5:00 PM CDT (22:00 UTC) Moonrise 9:57AMMoonset 8:53PM Illumination 11% Phase: Waxing Crescent; Moon at 3 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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LMZ878 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- 243 Pm Cdt Sat Sep 23 2017 Sheboygan Wi To Pentwater Mi South...
Tonight..Southeast winds 10 to 15 kt. Waves 1 to 2 ft.
Sunday..Southeast winds 10 to 15 kt. Waves 1 to 2 ft.
Sunday night..Southeast winds 10 to 15 kt becoming south. Waves 1 to 2 ft.
Monday and Monday night..South winds 10 to 15 kt. Waves 1 to 2 ft.
Tuesday..South winds 10 to 15 kt becoming southwest. Waves 1 to 2 ft.
Tuesday night..West winds 10 to 15 kt becoming northwest 15 to 25 kt. Waves building to 3 to 5 ft.
Wednesday..Northwest winds 15 to 25 kt. Waves 3 to 5 ft.
Thursday..Northwest winds 10 to 20 kt. Waves 2 to 4 ft.
LMZ878 Expires:201709240200;;825182 FZUS63 KLOT 231943 GLFLM OPEN LAKE FORECAST for Lake Michigan National Weather Service Chicago/Romeoville IL 243 PM CDT Sat Sep 23 2017 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 30.1 inches centered over Lake Erie will move little through the weekend and gradually weaken early next week. Low pressure of 29.7 inches will move east across Ontario this evening, followed by another low of similar strength on Sunday afternoon and night. Low pressure around 29.6 inches is expected to develop across the Great Lakes region on Tuesday night and move northeast and deepen through midweek, with an associated cold front passing across the lake early Wednesday. LMZ080-669-671-673-675-777-779-870-872-874-876-878-240200-

7 Day Forecast for Marine Location Near St. Joseph, MI
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location: 42.45, -86.93     debug


Area Discussion for - Northern Indiana, IN
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Fxus63 kiwx 231750
afdiwx
area forecast discussion
national weather service northern indiana
150 pm edt Sat sep 23 2017

Synopsis
Issued at 150 pm edt Sat sep 23 2017
very warm conditions will continue through Tuesday with high
temperatures 85 to 90. Markedly cooler air will build into the
region late week as a series of cold fronts move through the area.

Short term (tonight and Sunday)
issued at 150 pm edt Sat sep 23 2017
little substantive change this period as broad ridging sfc and aloft
recenter through the ERN oh valley. While low level thermal trough
holds firm... Backed sfc flow continues to draw in considerably drier
air and expect to see about a cat lower dewpoints tomorrow aftn.

Long term (Monday through Friday)
issued at 150 pm edt Sat sep 23 2017
deep WRN trough will bifurcate late Mon with primary impulse lifting
out through nd as leftovers cutoff over SRN az. Shallow frontolytic
nature of cold frontal boundary with ewd extent not to mention
timing bodes little support to continue with low chc pops and will
drop with this fcst cycle.

Secondary SW trough follows and sharply amplifies sewd through the
wrn lakes Fri with a more substantial cold push lingering into sat.

Will follow the blend here wrt pops ESP up near lake mi as
substantial lake aggregate trough expected to develop supporting a
good chance for lake effect rain showers particularly Fri night into
sat morning. Will generally undercut temps dys7-8 given GFS ec 850
mb temps crashing to near 0c and quite the contrast to todays 20c
temps.

Aviation (for the 18z tafs through 18z Sunday afternoon)
issued at 104 pm edt Sat sep 23 2017
sfc high pressure centered over the lower grtlks expected to
remain nearly stnry through Sunday resulting in light e-se flow
across NRN in. Drier air in low levels progged to advect NW into
our area tonight, which should limit br fg development to less
than that of this morning when both sbn fwa briefly had MVFR
vsbys. Visible imagery indicates CU field developing over central
in il attm. Airmass quite warm aloft so just expecting a few
diurnal CU at the terminals.

Iwx watches warnings advisories
In... None.

Mi... None.

Oh... None.

Lm... None.

Synopsis... T
short term... T
long term... T
aviation... Jt
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Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
45007 - S MICHIGAN 43NM East Southeast of Milwaukee, WI 16 mi70 min E 3.9 G 3.9 74°F 73°F1018.1 hPa (-1.5)
45168 32 mi30 min Calm G 0 79°F 74°F1 ft1017.5 hPa69°F
SJOM4 - St. Joseph, MI 34 mi60 min NNE 7 G 8.9 83°F 1019 hPa (-0.6)
SVNM4 - South Haven, MI 34 mi30 min NNW 1 G 1 81°F
45026 - St. Joseph, MI 36 mi20 min ENE 5.8 G 5.8 76°F 74°F1017.6 hPa69°F
HLNM4 - 9087031 - Holland, MI 44 mi48 min NW 1.9 G 1.9 78°F 1017.6 hPa
45174 44 mi30 min E 7.8 G 9.7 76°F 74°F1 ft71°F
WHRI2 - Waukegan Harbor, IL 47 mi80 min S 4.1 G 5.1 82°F
45029 47 mi20 min N 3.9 G 3.9 76°F 70°F1 ft1017.5 hPa70°F
45170 48 mi30 min E 7.8 G 7.8 76°F 74°F1 ft73°F
KNSW3 - Kenosha, WI 48 mi60 min S 7 G 8 77°F 1016.9 hPa (-1.7)
CHII2 - Chicago, IL 50 mi40 min E 13 G 13 79°F 70°F

Wind History for Holland, MI
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Southwest Michigan Regional Airport, MI34 mi67 minN 410.00 miFair88°F66°F48%1017.6 hPa

Wind History from BEH (wind in knots)
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Last 24hrCalmCalmE3E3CalmCalmE4E3SE3SE3SE5SE4E3CalmCalmCalmCalmS3SE4E4NW6NW6N4NW3
1 day agoCalmE3CalmE4E4E5E4SE4SE4SE3SE3SE3CalmCalmSE3S4CalmSW6W7W75W7W4NW4
2 days agoS8SE5SE5SE7S4SE53S4S3SE3S3S5S5S6S5S5S7SW6SW65W6NW3NW3N3

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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Weather Map
wmap_A
IR Satellite Image from GEOS
east_satellite

GOES Local Image of GreatLakes    EDIT
Geos

Wind Forecast for Northern Indiana, IN (18,4,5,8)
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Ground Weather Radar Station Grand Rapids/Muskegon, MI
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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.