Tuesday, June27, 2017 L-36.com


Marine Weather and Tides
Freeland, 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 5:56AMSunset 9:24PM Tuesday June 27, 2017 10:09 PM EDT (02:09 UTC) Moonrise 9:06AMMoonset 11:11PM Illumination 16% Phase: Waxing Crescent; Moon at 4 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- 947 Pm Edt Tue Jun 27 2017
Rest of tonight..Southwest winds 5 to 10 knots increasing to 10 to 15 knots after midnight. Mostly clear. Waves around 2 feet or less.
Wednesday..Southwest winds 10 to 15 knots increasing to 15 to 20 knots in the afternoon. Mostly Sunny in the morning...then partly cloudy with a chance of light showers in the afternoon. Waves around 2 feet or less...building to 1 to 3 feet.
Wednesday night..South winds 10 to 15 knots increasing to 20 to 25 knots. Cloudy. A chance of showers and Thunderstorms in the evening...then showers and Thunderstorms likely after midnight. Waves 1 to 3 feet building to 2 to 4 feet after midnight. A small craft advisory may be needed.
Thursday..Southwest winds 20 to 25 knots diminishing to 15 to 20 knots in the late morning and afternoon. Cloudy with showers and Thunderstorms likely early in the morning...then mostly cloudy with a chance of showers and Thunderstorms in the late morning and early afternoon. Partly cloudy late in the afternoon. Waves 2 to 4 feet subsiding to 1 to 3 feet in the afternoon. SEe lake huron open lake forecast for days 3 through 5.
LHZ422 Expires:201706280915;;928486 FZUS53 KDTX 280147 NSHDTX Nearshore Marine Forecast for Michigan National Weather Service Detroit/Pontiac MI 947 PM EDT Tue Jun 27 2017 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. LHZ422-280915-

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 272245
afddtx
area forecast discussion
national weather service detroit pontiac mi
645 pm edt Tue jun 27 2017

Aviation
The departure of a weak mid level short wave and loss of daytime
heating will bring an end to residual showers and diurnal cloud
cover over the next couple of hours. The loss in daytime mixing will
also allow the westerly winds to weaken and slowly back to the south-
southwest. The south-southwest gradient will increase during the
overnight and through Wed morning as high pressure advances to the
mid atlantic. The deepening of the mixed layer will allow a slight
increase in these winds mid to late Wed morning. Otherwise, the high
pressure system and dry ambient airmass will sustain tranquil
aviation conditions through Wed morning.

Dtw threshold probabilities...

none.

Prev discussion
Issued at 309 pm edt Tue jun 27 2017
discussion...

shortwave dropping through back side of mid level trough is clipping
eastern michigan this afternoon and evening. Very cold airmass
aloft as this mornings sounding indicate freezing level around 6kft
combined with strong diurnal heating is yielding capes upwards to
around 1k joules producing scattered showers mainly from the thumb
and saginaw valley on north. Expect this activity to continue into
the evening before dissipating around sunset. Some light shower
activity could make it down to the detroit area briefly during prime
heating. Some thunder is possible as -20c is just a mere 16kft above
the surface. After... Skies will clear early tonight as surface high
pressure slides by to the south and mid level heights rise. Wednesday
will start off mostly sunny but clouds will begin increasing from
the west during the afternoon as WAA around backside of departing
high begins. Shortwave tracking through the upper midwest will spin
up a weak surface low Wednesday that will track east across the
northern great lakes. Showers and thunderstorms will develop over
wisconsin and spread east-southeast along a strengthening warm front
that will be lifting north through lower michigan tomorrow afternoon.

Expect the best chance for showers and thunderstorms to occur late
afternoon evening across the saginaw valley and thumb. This area will
be sensitive to any heavy rainfall after major flooding over the
weekend. Activity shouldn't last too long and expecting maybe upwards
half an inch. There should be a break in activity after warm front
passage but showers and thunderstorms will return later Wednesday
night as a cold front moves through lower michigan down to along the
southern border Thursday morning where it will stall as main
shortwave lifts northeast into ontario.

Thursday should be rather quiet for most of the forecast area as mid
level ridge slides through but showers and thunderstorms will still
be possible especially across the southern two tiers of counties in
the vicinity of the stationary front. Another stronger shortwave in a
broader deepening trough will advance towards the great lakes
Thursday night. In response the stationary front will lift back north
as a warm front bringing a chance for showers and thunderstorms
across the area. Temperatures will be more seasonable the next couple
of days.

Extended forecast Friday june 30th through Wednesday, july 5th:
models showing little change in the forecast from yesterday with wet
weather pattern still expected to resume mid-week and continue into
weekend as several waves of low pressure move through SE mi. Chances
of showers thunderstorms still look to increase by Friday afternoon
and evening with a few showers lingering about for Saturday. Surface
high pressure is delayed until Sunday on new run, along with the
upper level trough. Upper level troughs could still be a bit of a
fly in the ointment triggering scattered showers Sunday through
Tuesday. At present, the vort maxes disappear for Wednesday as high
pressure gets a slightly better footing over the area; translation,
drier conditions and less clouds Wednesday. Temperatures continue to
hold near the seasonal norm through the period with highs in the
upper 70s to low 80s and overnight lows in the 60s.

Marine...

moderate westerly winds will hold throughout the afternoon as
diurnal heating over land brings the slight chance to see isolated
showers over the saginaw bay, and along the western coasts of the
great lakes. Overnight, winds will shift from westerly to more
southwesterly as nocturnal stability acts to keep winds light. High
pressure moving east across the ohio valley will act to keep
conditions dry throughout Wednesday and will usher in warmer air
into the region, bringing more stable conditions over the lakes as
gusts remain sub-15 knots. Thunderstorm chances then move in
Wednesday night into Friday as a series of low pressure systems help
to advect warm, moist air into the region.

Dtx watches warnings advisories
Mi... None.

Lake huron... None.

Lake st clair... None.

Michigan waters of lake erie... None.

Aviation... ..Sc
discussion... Drc de
marine... ... .Am
you can obtain your latest national weather service forecasts online
at

Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
SBLM4 - Saginaw Bay Light #1, MI 27 mi69 min WSW 6 G 8.9 67°F 1014.9 hPa (-0.7)
45163 40 mi49 min SSW 5.8 G 7.8 64°F 63°F1 ft
GSLM4 - Gravelly Shoals Light MI 43 mi54 min SSW 5.1 G 9.9 65°F 1016.3 hPa
TAWM4 - Tawas City, MI 59 mi89 min SSW 8 G 11 59°F 1015.6 hPa

Wind History for Harbor Beach, MI
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G24
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
MBS International Airport, MI2 mi76 minW 810.00 miFair66°F52°F61%1016.1 hPa
Jack Barstow Airport, MI11 mi77 minW 410.00 miFair67°F46°F49%1015.9 hPa
Saginaw County H W Browne Airport, MI15 mi73 minWSW 410.00 miFair64°F46°F52%1015.9 hPa

Wind History from MBS (wind in knots)
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Last 24hrW8W7W10NW10NW7W7W9W9W10W12W8W11W16W10W14
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1 day agoW4SW6SW6SW5SW7SW7W7W11SW6W13W14
G19
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2 days agoW6SW4SW6SW7SW5SW8SW6SW8SW9W10W11W12W13W12W8SW6W7W9
G17
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G19
W15W7W7W6

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 Detroit/Pontiac, MI (22,6,7,8)
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Ground Weather Radar Station Detroit, 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.