Wednesday, June19, 2019 L-36.com


Marine Weather and Tides
Whitehall, MI

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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 6:02AMSunset 9:29PM Wednesday June 19, 2019 1:30 PM EDT (17:30 UTC) Moonrise 10:33PMMoonset 7:04AM Illumination 95% Phase: Waning Gibbous; Moon at 17 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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LMZ847 Grand Haven To Whitehall Mi- 805 Am Edt Wed Jun 19 2019
Today..Northwest winds 5 to 15 knots. Cloudy with scattered rain showers and isolated Thunderstorms. Patchy fog. Waves 1 to 2 feet.
Tonight..North winds 5 to 15 knots veering northeast after midnight. Cloudy with a chance of rain showers. Waves 1 to 2 feet.
Thursday..North winds 10 to 15 knots. Mostly cloudy with a chance of rain showers. Waves 1 to 2 feet.
Thursday night..Northeast winds 5 to 15 knots veering southeast toward daybreak. Partly cloudy. Waves 1 to 2 feet.
Friday..Southeast winds 5 to 10 knots veering southwest. Mostly Sunny. Waves less than 1 foot.
Saturday..Southeast winds 15 to 20 knots. Rain showers likely and a chance of Thunderstorms. Waves 1 to 2 feet.
Sunday..South winds 15 to 20 knots. Mostly cloudy with a chance of rain showers. Waves 1 to 3 feet.
LMZ847 Expires:201906192000;;729568 FZUS53 KGRR 191206 NSHGRR Nearshore Marine Forecast National Weather Service Grand Rapids MI 805 AM EDT Wed Jun 19 2019 For waters within five nautical miles of shore on Lake Michigan LMZ847-192000-


7 Day Forecast for Marine Location Near Whitehall, MI
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location: 43.39, -86.34     debug


Area Discussion for - Grand Rapids, MI
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Fxus63 kgrr 191125
afdgrr
area forecast discussion
national weather service grand rapids mi
725 am edt Wed jun 19 2019
latest update...

aviation

Synopsis
Issued at 256 am edt Wed jun 19 2019
- heavy rain potential tonight across far southern lower michigan
- heavy rain may also clip southern lower michigan Friday night
- weekend could have scattered strong thunderstorms

Discussion (today through next Tuesday)
issued at 256 am edt Wed jun 19 2019
the forecast hasn't changed much from the previous forecast
although we have added low chance of thunder for this afternoon as
surface cold front has some instability to work with. For tonight,
we still see a swath of heavy rain with amounts greater than an
inch tonight south of i-94 as a sfc wave tracks along the front
across northern indiana and ohio.

After a brief respite on Friday, we'll see another period of
active weather over the weekend with a sfc warm front bringing the
chance for thunderstorms Saturday morning. It appears a nocturnal
llj in the vicinity of the surface warm front will result in mcs
formation Friday night across southern wisconsin northern illinois
which moves southeast, potentially clipping our southern tier with
heavy rain and possibly high winds by Saturday morning.

Of course, any convection during that time frame will affect the
timing and location of storms for the rest of the day. What we
are fairly sure of is that the heavy rain threat will again be
with us Saturday into Sunday as juicy airmass with pwat values of
1.75 to 2.00 inches will be in place until early next week when the
sfc low moves off to the northeast and a cold front pushes
through. A cooler and drier airmass returns, probably by Tuesday.

Aviation (for the 12z tafs through 12z Thursday morning)
issued at 725 am edt Wed jun 19 2019
some local MVFR onditions in light fog at azo and jxn early this
morning will dissipate by 14z andVFR is expected for the rest of
the day. Winds will be northerly by this afternoon around 5 to 10
knots.

Marine
Issued at 256 am edt Wed jun 19 2019
winds and waves should remain below 25 knots and 4 feet through
Thursday. There will continue to be areas of fog at times. Some
heavier rain is possible south of grand haven tonight and again on
Friday night.

Grr watches warnings advisories
Mi... None.

Lm... None.

Synopsis... Ostuno
discussion... Ostuno
aviation... Ostuno
marine... Ostuno


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
MKGM4 - Muskegon, MI 11 mi40 min N 12 G 12 56°F 1009.6 hPa56°F
45161 14 mi30 min N 9.7 G 12 56°F 57°F1009.1 hPa (-0.2)
45029 34 mi20 min N 9.7 G 12 59°F 60°F1 ft1008.9 hPa56°F
LDTM4 - 9087023 - Ludington, MI 39 mi48 min N 2.9 G 6
45024 42 mi20 min NNW 9.7 G 12 49°F 50°F2 ft1011.7 hPa49°F
HLNM4 - 9087031 - Holland, MI 43 mi42 min N 11 G 13 1008.3 hPa
BSBM4 - Big Sable Point, MI 47 mi50 min N 8.9 G 12 50°F 1010.8 hPa

Wind History for Ludington, MI
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Muskegon, Muskegon County Airport, MI15 mi35 minNNW 510.00 miOvercast67°F61°F81%1009.1 hPa
Fremont Municipal Airport, MI19 mi34 minN 34.00 miRain64°F63°F98%1009.5 hPa

Wind History from MKG (wind in knots)
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Last 24hrSW7W8W76NW53SW3CalmCalmCalmCalmCalmCalmCalmCalmCalmW3NW5N4N4N5N5--NW5
1 day ago4SE434W5W4W5W3NW4N3N3CalmN3NE3CalmCalmNW3N3CalmS5NE3N5SW6W6
2 days agoNE6NE11E13
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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    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 Grand Rapids, MI (13,3,4,5)
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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.