Saturday, July4, 2020
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Marine Weather and Tides
Freeland, MI

Version 3.4
NOTICE
12/16/2019 NOAA is having trouble with requests that include wind gusts. I am posting graphs without wind gusts until it gets fixed.
10/9/2019 Updated the Marine Zones.
9/4/2019 Fixed the weather maps due to NOAA moving them.
7/25/2019 New feature in the Airports section gives a link to 5 minute updates for data reports.

Sunrise 5:59AMSunset 9:23PM Saturday July 4, 2020 11:56 PM EDT (03:56 UTC) Moonrise 8:15PMMoonset 4:16AM Illumination 100% Phase: Full Moon; Moon at 14 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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LHZ422 Inner Saginaw Bay Sw Of Point Au Gres To Bay Port Mi- 934 Pm Edt Sat Jul 4 2020
Rest of tonight..East winds 5 to 10 knots this evening becoming light and variable. Clear. Waves 2 feet or less.
Sunday..Light and variable winds becoming east 5 to 10 knots early in the afternoon. Sunny. Waves 2 feet or less.
Sunday night..East winds 10 to 15 knots diminishing to 5 to 10 knots after midnight. Mostly clear. Waves 2 feet or less.
Monday..Light and variable winds becoming south 5 to 10 knots early in the afternoon. Mostly Sunny. Waves 2 feet or less. SEe lake huron open lake forecast for days 3 through 5.
LHZ422 Expires:202007050915;;330189 FZUS53 KDTX 050134 NSHDTX Nearshore Marine Forecast for Michigan National Weather Service Detroit/Pontiac MI 934 PM EDT Sat Jul 4 2020 For waters within five nautical miles of shore Waves are the significant wave height - the average of the highest 1/3 of the wave spectrum. Occasional wave height is the average of the highest 1/10 of the wave spectrum. LHZ422-050915-


7 Day Forecast for Marine Location Near Freeland, MI
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location: 43.56, -84.1     debug


Area Discussion for - Detroit/Pontiac, MI
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FXUS63 KDTX 050349 AFDDTX

Area Forecast Discussion National Weather Service Detroit/Pontiac MI 1149 PM EDT Sat Jul 4 2020

AVIATION.

High pressure will maintain mainly clear skies through the forecast period with just some diurnal cumulus on Sunday afternoon. Winds will be light and northeast into tonight and swing to the south to southwest as the center of high pressure settles a bit south before basically becoming light/variable again Sunday evening. Speeds will remain 5 to 10 knots at the most.

DTW THRESHOLD PROBABILITIES .

* None

PREV DISCUSSION. Issued at 336 PM EDT Sat Jul 4 2020

DISCUSSION .

The heat will continue to be the main story for this forecast package and maybe looking through most of the month. Dry and stable air has advected into southeast Lower MI today. Besides a few diurnal cumulus and a band of cirrus moving southeast this evening, expect clear skies tonight. With the dry air in place, low temps tonight should cool close to averages for early July providing the only reprieve to the heat between July 2 and maybe Friday with decent thunderstorm chances. Thinking the guidance numbers for tonight are a bit too cool given the short night and biases that those guidance numbers have shown.

The dry air should warm quickly on Sunday as the flow turns to the south. With full sunshine and 850 mb temps at least as warm as today, should see the temperatures a few degrees warmer. Heat indices will continue to run lower than the temp given the dry air and preclude any heat headlines.

Heat headlines will likely be needed Monday through Thursday as the consecutive days of 90+ have a cumulative effect along with a slow increasing dew point each day. Temperatures will also be slowly increasing each day as 850 mb temperatures warm to a peak of around +21C on Thursday.

Will be leaning toward the ECMWF output for the chances of thunderstorms each day Monday through Friday. Thinking the trends of being on the low end of the POPs is right way to go. The Tuesday afternoon and evening wave weakens as it moves into the ridge so nothing higher than a 20 percent chance. Not much moisture or forcing until we get to the main wave Thursday night and Friday.

MARINE .

A ridge of high pressure remains firmly over the Great Lakes region and will continue to hold through this weekend. Favorable marine conditions last through the weekend and beginning of next week with light winds and dry weather.

DTX WATCHES/WARNINGS/ADVISORIES. MI . NONE. Lake Huron . NONE. Lake St Clair . NONE. Michigan waters of Lake Erie . NONE.

AVIATION . DG DISCUSSION . RBP MARINE . KDK

You can obtain your latest National Weather Service forecasts online at www.weather.gov/detroit.


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
SBLM4 - Saginaw Bay Light #1, MI 27 mi57 min ESE 11 G 12 78°F 1015.2 hPa (+0.3)
GSLM4 - Gravelly Shoals Light MI 43 mi77 min E 13 G 15 75°F
TAWM4 - Tawas City, MI 59 mi77 min SE 1.9 G 6 72°F 1016.3 hPa

Wind History for Harbor Beach, MI
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
MBS International Airport, MI2 mi64 minNNE 410.00 miFair72°F54°F53%1015.6 hPa
Jack Barstow Airport, MI11 mi61 minN 010.00 miFair67°F58°F74%1015.9 hPa
Saginaw County H W Browne Airport, MI15 mi62 minN 010.00 miFair72°F57°F61%1015.9 hPa

Link to 5 minute data for KMBS

Wind History from MBS (wind in knots)
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Last 24hrCalmN4N3N3N5N6N4N5N5NE6N6NE5NE9NE7N4N9E6NE9
G17
NE7N9E3CalmNE5N4
1 day agoNW7NW8N7W5NW6NW5NW4NW4NW5N7N3NW546----N94NE5NE14NE10NE10NE6NE5
2 days agoCalmN3CalmCalmCalmN3NW3CalmNW3CalmN4N4NE6E5SE3--3W74NW4W4W5NW5NW6

Tide / Current Tables for
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Tide / Current Tables for
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Weather Map
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wmap_A
GEOS 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 Detroit/Pontiac, MI (23,6,7,8)
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Ground Weather Radar Station Detroit, 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 numerous 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.