Saturday, August24, 2019 L-36.com


Marine Weather and Tides
Saugatuck, MI

Version 3.4
NOTICE
7/25/2019 New feature in the Airports section gives a link to 5 minute updates for data reports.
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 6:59AMSunset 8:34PM Saturday August 24, 2019 7:08 AM EDT (11:08 UTC) Moonrise 12:00AMMoonset 2:53PM Illumination 36% Phase: Waning Crescent; Moon at 24 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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LMZ874 Expires:201908241515;;122711 Fzus63 Kmkx 240752 Glflm Open Lake Forecast For Lake Michigan National Weather Service Milwaukee/sullivan Wi 252 Am Cdt Sat Aug 24 2019 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 30.3 inches centered over the northern great lakes early this morning will slowly slide eastward this weekend, reaching maine by Sunday morning. East to southeast winds today will become primarily southeasterly Sunday as the high moves on. Winds will be breezy at times through Sunday. Southeast winds will pick up Monday between an approaching low and the departing high. Winds will become westerly and breezy by mid- week. Lmz080-669-671-673-675-777-779-870-872-874-876-878-241515- 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- 252 am cdt Sat aug 24 2019 sheboygan wi to pentwater mi south...
Today..Southeast winds 10 to 15 kt becoming northeast. Waves 2 to 4 ft.
Tonight..Northeast winds 10 to 15 kt becoming southeast 10 to 20 kt. Waves 2 to 4 ft.
Sunday..Southeast winds 10 to 20 kt diminishing to 10 to 15 kt. Waves 2 to 4 ft.
Sunday night..Southeast winds 10 to 20 kt. Waves 1 to 3 ft building to 3 to 5 ft.
Monday..Southeast winds 10 to 20 kt becoming south 15 to 25 kt. Chance of showers and Thunderstorms. Waves 4 to 6 ft occasionally to 8 ft.
Monday night..South winds 15 to 25 kt becoming southwest to 30 kt. Showers and Thunderstorms likely. Waves 4 to 6 ft occasionally to 8 ft.
Tuesday..West winds to 30 kt diminishing to 10 to 20 kt. Waves 3 to 5 ft.
Wednesday..West winds 10 to 20 kt increasing to 15 to 25 kt. Waves 3 to 5 ft.
LMZ874


7 Day Forecast for Marine Location Near Saugatuck, MI
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location: 42.84, -86.63     debug


Area Discussion for - Grand Rapids, MI
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Fxus63 kgrr 240640
afdgrr
area forecast discussion
national weather service grand rapids mi
240 am edt Sat aug 24 2019
latest update...

synopsis discussion marine

Synopsis
Issued at 240 am edt Sat aug 24 2019
- comfortable weather continues through the weekend.

- showers storms likely Monday night through Tuesday morning.

Discussion (today through next Friday)
issued at 240 am edt Sat aug 24 2019
a large dome of high pressure over the great lakes will result in
clear skies through Sunday. So another day with highs in the mid 70s
lows around 50 is expected. Late in the weekend, the high will drift
east and more humid weather will return. A sizable upper trough
will move through late Monday ahead of a cold front and give us a
good chance at seeing rain. Locally heavy rainfall appears possible
given precipitable water values around 2 inches. QPF in excess of an
inch is progd for much of the western CWA late Monday into Tuesday.

This looks like mostly a rain event with a few embedded non severe
storms due to limited instability.

After the cold front moves through Tuesday, drier and cooler air
will flow into the CWA and highs will fall back to the lower to mid
70s.

Aviation (for the 06z tafs through 06z Saturday night)
issued at 130 am edt Sat aug 24 2019
vfr conditions will continue through tonight. Winds will be near
calm tonight and from the east at 5 to 10 knots on Saturday.

Marine
Issued at 240 am edt Sat aug 24 2019
high pressure over the great lakes will result in 1-2 foot waves and
variable winds around 10 knots today and tonight.

Grr watches warnings advisories
Mi... None.

Lm... None.

Synopsis... 04
discussion... 04
aviation... Ostuno
marine... 04


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
45029 19 mi29 min E 9.7 G 14 59°F 68°F1 ft1026.4 hPa51°F
HLNM4 - 9087031 - Holland, MI 23 mi57 min E 7 G 8.9 57°F 1025.6 hPa52°F
45007 - S MICHIGAN 43NM East Southeast of Milwaukee, WI 24 mi39 min SE 14 G 18 67°F 72°F1025.8 hPa58°F
45161 28 mi69 min E 5.8 G 7.8 59°F 65°F1 ft1026 hPa (+1.4)
MKGM4 - Muskegon, MI 31 mi29 min ESE 7 G 8 57°F 1026.9 hPa51°F
45168 34 mi29 min ENE 9.7 G 12 56°F 60°F1 ft1026.3 hPa50°F
SVNM4 - South Haven, MI 35 mi39 min ENE 8 G 9.9 55°F
SJOM4 - St. Joseph, MI 52 mi69 min NE 1.9 G 4.1 58°F 1025.7 hPa (+1.3)

Wind History for Holland, MI
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Holland - West Michigan Regional Airport, MI29 mi76 minE 310.00 miFair52°F50°F93%1026.4 hPa

Link to 5 minute data for KBIV

Wind History from BIV (wind in knots)
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Last 24hr4E4--NE5NE7E5NE4NW7NW115NW8NW6--N8NE3Calm--------CalmE3E3E3
1 day agoNE33E8E10
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--E84N75CalmN8
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--5------NE3------CalmCalm
2 days agoCalmCalm----W9W8NW9W9W8--W6W6N6N5CalmN4--CalmCalm--Calm5--NE4

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.
Link to Loop

Other links: Northern Pacific     Contential US     Full GOES-East
Wind Forecast for Grand Rapids, MI (7,2,3,4)
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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.