Tuesday, July23, 2019 L-36.com


Marine Weather and Tides
Beechwood, MI

Version 3.4
NOTICE
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 6:25AMSunset 9:16PM Tuesday July 23, 2019 9:15 AM EDT (13:15 UTC) Moonrise 11:53PMMoonset 11:49AM Illumination 61% Phase: Waning Gibbous; Moon at 21 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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LMZ846 Holland To Grand Haven Mi- 805 Am Edt Tue Jul 23 2019
Today..Northwest winds 5 to 10 knots increasing to 15 to 25 knots. Sunny. Waves 2 to 3 feet.
Tonight..North winds 10 to 20 knots. Clear. Waves 2 to 3 feet.
Wednesday..North winds around 10 knots backing west. Sunny. Waves 1 foot or less.
Wednesday night..West winds 5 to 15 knots backing southwest after midnight. Clear. Waves 1 foot or less.
Thursday..Southwest winds 10 to 15 knots. Sunny. Waves around 1 foot.
Friday..Southwest winds 15 to 20 knots. Sunny. Waves 2 to 4 feet.
Saturday..Southwest winds 20 to 25 knots. Mostly Sunny. Waves 3 to 5 feet.
LMZ846 Expires:201907232000;;506976 FZUS53 KGRR 231206 NSHGRR Nearshore Marine Forecast National Weather Service Grand Rapids MI 805 AM EDT Tue Jul 23 2019 For waters within five nautical miles of shore on Lake Michigan LMZ846-232000-


7 Day Forecast for Marine Location Near Beechwood, MI
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location: 42.77, -86.21     debug


Area Discussion for - Grand Rapids, MI
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Fxus63 kgrr 231116
afdgrr
area forecast discussion
national weather service grand rapids mi
716 am edt Tue jul 23 2019
latest update...

aviation

Synopsis
Issued at 317 am edt Tue jul 23 2019
- scattered showers and thunderstorms this afternoon
- fair weather Wednesday through Friday
- chance of showers and storms this weekend

Discussion (today through next Monday)
issued at 317 am edt Tue jul 23 2019
shortwave trough axis swings through lower michigan today with
steepening lapse rates which should result in enough surface based
instability late morning into the early evening for scattered
showers and thunderstorms mostly across the central and eastern
zones downwind of the "lake shadow". The activity should wind
down in the evening with the loss of surface heating and the
trough axis moving east. Any tall and persistent updrafts could
have small hail.

Fair weather as heights rise Wednesday and Thursday then return
flow sets up with an increasing chance for showers through the
weekend in warm advection regime.

Aviation (for the 12z tafs through 12z Wednesday morning)
issued at 715 am edt Tue jul 23 2019
vfr conditions will prevail today, although there could be some
patchy ifr possible in an heavy downpours that develop late this
morning into early evening. Northwest winds around 10 knots with
gusty northwest winds to 20 knots at times.

Marine
Issued at 317 am edt Tue jul 23 2019
winds and waves have decreased and the small craft advisory is
cancelled. Winds and waves should be relatively light until
Thursday night when a small craft advisory may be needed as
southwest winds increase and waves build.

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
HLNM4 - 9087031 - Holland, MI 0 mi51 min SSW 1.9 G 1.9 56°F 54°F1018.2 hPa56°F
45029 10 mi15 min Calm G 1.9 59°F 55°F1 ft1019.1 hPa (+1.0)55°F
SVNM4 - South Haven, MI 26 mi15 min SW 1 G 1.9 60°F
45168 27 mi15 min SSW 3.9 G 3.9 55°F 49°F1 ft1019.4 hPa (+1.1)51°F
45161 30 mi75 min 1.9 G 1.9 59°F 62°F1018.4 hPa (+0.9)
MKGM4 - Muskegon, MI 32 mi15 min NNW 4.1 G 5.1 64°F 1019 hPa (+0.8)61°F
45007 - S MICHIGAN 43NM East Southeast of Milwaukee, WI 44 mi25 min NW 7.8 G 7.8 67°F 68°F1 ft1019.6 hPa61°F
SJOM4 - St. Joseph, MI 49 mi15 min SSW 4.1 G 5.1 60°F 1019.6 hPa (+0.6)

Wind History for Holland, MI
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Holland - West Michigan Regional Airport, MI6 mi22 minN 010.00 miFair67°F57°F71%1018.9 hPa

Wind History from BIV (wind in knots)
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Last 24hrN5N4NW9
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NW7N5NW4NW3N3W4CalmNE3CalmCalmCalmCalmCalm
1 day ago--------------NE7NE644N4N4646N75NE4N54N7N76
2 days ago------------------------------------------------

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 GreatLakes    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 (9,2,3,4)
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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.