Saturday, September23, 2017 L-36.com


Marine Weather and Tides
Harbor Springs, 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 7:25AMSunset 7:33PM Saturday September 23, 2017 2:22 PM EDT (18:22 UTC) Moonrise 9:54AMMoonset 8:40PM Illumination 10% Phase: Waxing Crescent; Moon at 3 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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LMZ342 Norwood Mi To 5nm West Of Mackinac Bridge Including Little Traverse Bay- 1029 Am Edt Sat Sep 23 2017
Today..Southwest wind 10 to 15 knots. Sunny. Waves 2 feet or less.
Tonight..Southwest wind 5 to 10 knots. Mostly clear. Waves 2 feet or less.
Sunday..Southwest wind 5 to 10 knots. Sunny. Waves 2 feet or less.
Sunday night..South wind 5 to 10 knots. Mostly clear. Waves 2 feet or less. SEe the open lakes forecast for days 3 through 5.
LMZ342 Expires:201709232230;;813923 FZUS53 KAPX 231429 NSHAPX Nearshore Marine Forecast National Weather Service Gaylord MI 1029 AM EDT Sat Sep 23 2017 For waters within five nautical miles of shore on Lakes Huron... Michigan and Superior LMZ342-232230-

7 Day Forecast for Marine Location Near Harbor Springs, MI
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location: 45.42, -84.99     debug


Area Discussion for - Gaylord, MI
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Fxus63 kapx 231742
afdapx
area forecast discussion
national weather service gaylord mi
142 pm edt Sat sep 23 2017

Update
Issued at 1008 am edt Sat sep 23 2017
all systems still a go for record highs to once again be set
across northern michigan. Sunshine and light southerly winds
already doing a number to temperatures, and inherited highs into
the upper 80s and lower 90s definitely appears on target.

Sunshine will continue, with just some passing high clouds and a
few diurnally-driven cu. See near term section below for todays
high temperature records.

Near term (today through tonight)
issued at 233 am edt Sat sep 23 2017

Record-setting warmth again today...

high impact weather potential... None.

Pattern synopsis forecast... Large area of strong high pressure and
dry air is holding in place from southern quebec thru most of the
great lakes region into the ohio valley early this morning...

maintaining unseasonably warm temps and mostly precip-free
conditions across this entire region. Remnants of the MCS that
impacted eastern upper michigan last evening are just exiting that
area... And line of convection that moved thru northern lower
michigan last evening is long gone... Leave dry conditions across our
cwa attm. MCS developed upstream along and north of the warm front
associated with low pressure developing over the northern plains.

Dwpts dropped into the upper 50s and lower 60s in the wake of last
evening's convection. Thus... Little in the way of fog has developed
so far.

As we head into today... The warm front will gradually lift
northward... Allowing surface ridging to reestablish itself across
our entire CWA for today and tonight. Strong subsidence... Dry air
thru the column and a strengthening mid level cap should preclude
additional convective development today and tonight. Latest SPC day
1 convective outlook generally agrees with this notion.

Another hot lake september day is expected across the northwoods.

Several locations will likely match or break MAX temp records again
today. Afternoon highs will range from the upper 80s in eastern
upper michigan to the low to mid 90s for most of northern lower
michigan. Expect another muggy night as temps drop into the 60s and
dwpts hold in the 60s as well.

Records for today:
record (year)
glr 83 (2004)
tvc 90 (1937)
apn 89 (1937)
anj 84 (1936)
htl 88 (1937)
pln 86 (2004)

Short term (Sunday through Monday)
issued at 233 am edt Sat sep 23 2017

String of record breaking temperatures continues...

high impact weather potential: none.

Pattern forecast: no meaningful changes to the large scale pattern
are expected through early next week as troughing remains anchored
over the intermountain west with downstream ridging over the eastern
two thirds of conus. Riding across the ohio valley great lakes
characterized by unseasonably high 500 mb heights from 588-590 dm
for the first few days of autumn. Surface high pressure overhead
combined with limited deep layer moisture should limit much in the
way of precip potential locally.

Primary forecast concerns challenges: warm and humid weather
continues through early next week. High temperatures are expected to
remain as much as 20-25 degrees above normal through Monday. Dew
points varying through the 60s will provide a mid summer-like feel
across northern michigan under partly to mostly sunny skies.

High temperatures both Sunday and Monday are expected to challenge
records at most climate stations. The following are current records
(sun mon):
anj: 88(1892) 83(1908)
glr: 86(2007) 76(1958)
htl: 86(2007) 91(1920)
tvc: 89(2007) 89(1908)
apn: 89(2007) 85(1935)
pln: 87(2007) 80(2007)

Long term (Monday night through Friday)
issued at 233 am edt Sat sep 23 2017
high impact weather potential: minimal.

Upper ridging remains persistent across the region through Monday
night before beginning to break down as an area of low pressure over
the upper mississippi valley ontario and attendant cold front
extending southward into the southern plains will bring increased
cloudiness throughout the day Tuesday and renewed shower chances
Tuesday night through Wednesday. After the cold frontal passage, our
extended summer-like weather will go by the wayside as high
temperatures struggle to rise much above the mid-60s for most on
Wednesday. Even cooler (below normal) for Thursday-Friday with highs
in the upper 50s to low 60s. A more unsettled pattern is anticipated
for the end of the week as well, with occasional showery periods now
out of the question.

Aviation (for the 18z tafs through 18z Sunday afternoon)
issued at 142 pm edt Sat sep 23 2017
vfr conditions to continue under mostly clear skies and light
winds.

Marine
Issued at 233 am edt Sat sep 23 2017
winds and waves will remain below SCA criteria today thru Sunday
night as high pressure holds overhead. Mainly dry wx and
unseasonably warm temps are expected across our entire region thru
Sunday night.

Apx watches warnings advisories
Mi... None.

Lh... None.

Lm... None.

Ls... None.

Update... mb
near term... Mr
short term... Mg
long term... Mg
aviation... mb
marine... Mr


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
45022 5 mi33 min W 7.8 G 9.7 75°F 68°F1 ft1019.6 hPa68°F
MACM4 - 9075080 - Mackinaw City, MI 28 mi53 min WSW 8.9 G 15 82°F 1017.6 hPa55°F
45175 30 mi33 min W 9.7 G 14 72°F 67°F1 ft1019 hPa
GTLM4 - Grand Traverse Light, MI 33 mi43 min WSW 12 G 13 80°F 1019 hPa

Wind History for Mackinaw City, MI
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Harbor Springs, Harbor Springs Airport, MI4 mi28 minW 610.00 miFair89°F62°F41%1018.6 hPa
Pellston Regional Airport of Emmet County, MI15 mi29 minW 810.00 miFair89°F64°F45%1018.4 hPa
Charlevoix, Charlevoix Municipal Airport, MI17 mi29 minSW 910.00 miFair89°F63°F43%1020 hPa

Wind History from MGN (wind in knots)
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Last 24hrSW5W3NW16
G26
SW3CalmCalmNE3NE3CalmNE3E3CalmCalmCalmCalmCalmN3NW3W3W4W4W4W5W6
1 day agoSW4SW3CalmCalmNE4E4NE5E5CalmE4E3E4E3NE4NE4NE3E3CalmCalmS3W3SW3SW4W5
2 days agoSE4S5
G14
SE6SE8E3E4E3E3NE4NE5NE6N8E6E5E6NE7E6CalmW3CalmW3SW5SW6SW3

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 Gaylord, MI (14,3,4,5)
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Ground Weather Radar Station Gaylord, 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.