Monday, July24, 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 5:35AMSunset 8:20PM Monday July 24, 2017 3:55 PM CDT (20:55 UTC) Moonrise 6:57AMMoonset 9:14PM 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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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- 245 Pm Cdt Mon Jul 24 2017 Sheboygan Wi To Pentwater Mi South...
Tonight..North winds 10 to 20 kt veering to southeast. Waves 3 to 5 ft subsiding to 2 to 4 ft.
Tuesday..South winds 10 to 20 kt becoming southeast. Waves 1 to 3 ft.
Tuesday night..Southeast winds 10 to 20 kt becoming south. Waves 1 to 3 ft.
Wednesday..South winds 10 to 20 kt. Waves 2 to 4 ft.
Wednesday night..South winds 10 to 20 kt becoming southwest. Chance of showers and Thunderstorms in the evening...then showers and Thunderstorms likely overnight. Waves 2 to 4 ft.
Thursday..North winds 10 to 20 kt increasing to 30 kt in the afternoon. Chance of showers and Thunderstorms in the morning. Waves building to 4 to 6 ft occasionally to 8 ft.
Thursday night..North winds to 30 kt becoming northeast 15 to 25 kt. Waves 4 to 6 ft occasionally to 8 ft.
Friday..Northeast winds 10 to 20 kt becoming north 15 to 25 kt. Waves 3 to 5 ft.
Saturday..Northeast winds 10 to 15 kt becoming north 10 to 20 kt. Waves 2 to 4 ft.
LMZ878 Expires:201707250200;;770263 FZUS63 KLOT 241945 GLFLM OPEN LAKE FORECAST for Lake Michigan National Weather Service Chicago/Romeoville IL 245 PM CDT Mon Jul 24 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 will build south over Lake Michigan this evening. This high will slowly move east reaching the eastern Great Lakes by Tuesday night. Low pressure of 29.5 inches will move east to James Bay on Wednesday, with a trailing trough moving over the lake Wednesday night. Low pressure around 29.7 inches is expected to develop on this trough by late Wednesday night, shifting a cold front south across the lake by Thursday morning. High pressure of 30.1 inches will follow, building over the lake for the weekend. LMZ080-669-671-673-675-777-779-870-872-874-876-878-250200-

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 241749
afdiwx
area forecast discussion
national weather service northern indiana
149 pm edt Mon jul 24 2017

Synopsis
Issued at 149 pm edt Mon jul 24 2017
high pressure will provide cooler and less humid conditions
tonight into Tuesday. Lows tonight will drop into the 50s, with
highs on Tuesday near 80 degrees. A brief warmup will occur
Wednesday prior to the arrival of cold front and increasing
chances for showers and thunderstorms Wednesday night into
Thursday. Drier and cooler conditions then return Friday into
the weekend.

Short term (this evening through Wednesday)
issued at 149 pm edt Mon jul 24 2017
no sensible weather concerns through the middle of the week with
stable dry airmass in place. Low level anticyclone will build east-
southeast through the great lakes region under building heights
tonight into Tuesday. A trend toward mainly clear skies will
result with lower humidity and light winds allowing lows to drop
into the 50s tonight... Recovering into the upper 70s near 80 for
afternoon highs tomorrow. Wednesday will feature warmer more humid
wx as southwest flow becomes established behind the exiting area
of high pressure and in advance of an approaching cold front.

Long term (Wednesday night through Monday)
issued at 149 pm edt Mon jul 24 2017
an upper low over alberta canada as of this writing will eventually
open east and send another seasonably strong mid level shortwave
trough and attendant cold front through the area later Wednesday
night into Thursday. Moisture return forcing flow appears
sufficient to force a convective complex through sometime later
Wednesday night Thursday, though timing impacts at this range
remain sketchy. This period will have to be watched for a severe
threat and heavy rain potential. Drier and less humid wx then
returns Friday into the weekend as upper trough exits east and sfc
ridging nudges in from the northwest.

Aviation (for the 18z tafs through 18z Tuesday afternoon)
issued at 117 pm edt Mon jul 24 2017
northerly winds continue bringing cooler air into the region on
the south side of a high pressure system sinking south into
northern indiana. The CIGS in the MVFR range this morning
continued to rise intoVFR during midday with help from diurnal
heating. Expect CIGS to remain inVFR for the overnight and also
left out reduced visby at sbn for now as it appears there's only a
short window of br within subsidence and light winds.

Iwx watches warnings advisories
In... Beach hazards statement until 7 pm cdt this evening for inz003.

Mi... Beach hazards statement until 8 pm edt this evening for miz077.

Oh... None.

Lm... Small craft advisory until 8 pm edt this evening for lmz043-046.

Synopsis... Steinwedel
short term... Steinwedel
long term... Steinwedel
aviation... Roller
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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 mi65 min N 12 G 14 67°F 70°F4 ft1017.6 hPa (+0.5)
45168 32 mi25 min NNW 14 G 16 69°F 71°F4 ft1016.9 hPa59°F
SJOM4 - St. Joseph, MI 34 mi55 min N 9.9 G 13 70°F 1018.3 hPa (+1.4)
SVNM4 - South Haven, MI 34 mi25 min NW 17 G 20 69°F
45026 - St. Joseph, MI 36 mi25 min NE 12 G 14 69°F 74°F4 ft1017.3 hPa59°F
HLNM4 - 9087031 - Holland, MI 44 mi37 min NW 14 G 15 68°F 1016.4 hPa
45174 44 mi25 min N 9.7 G 14 67°F 72°F4 ft60°F
WHRI2 - Waukegan Harbor, IL 47 mi75 min NNE 16 G 19 67°F
45029 47 mi25 min NNW 14 G 18 68°F 70°F3 ft1016.7 hPa60°F
45170 48 mi25 min NE 9.7 G 14 69°F 74°F5 ft60°F
KNSW3 - Kenosha, WI 48 mi55 min NNE 14 G 17 66°F 1018.3 hPa (+0.4)
CHII2 - Chicago, IL 50 mi35 min N 12 G 13 68°F 58°F

Wind History for Holland, MI
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Southwest Michigan Regional Airport, MI34 mi62 minNNW 710.00 miA Few Clouds72°F57°F61%1016.9 hPa

Wind History from BEH (wind in knots)
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Last 24hr344CalmCalmCalmCalmCalm44444534655565NW7N7
1 day agoW7NW7W6W4CalmCalmCalmCalmE3CalmCalmCalmCalmCalmCalmCalm4Calm3SW10W12W12W8
G17
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2 days agoNW3NW33CalmE3E4E3SE6SE8SE8SE6E3S7SE13SE4E3S4S5CalmW936W9W7

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 (16,3,4,5)
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Ground Weather Radar Station Grand Rapids/Muskegon, MI
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weather_mapweather_map weather_map

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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.