Thursday, March23, 2017 L-36.com


Marine Weather and Tides
Haslett, MI

Version 3.4
What's New / NOTES
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.
3/12/2015 - Added section for Gulf current for users in the GMZ marine zones.
This was requested by a user. If you have requests, please let me know.

Sunrise 7:32AMSunset 7:55PM Thursday March 23, 2017 12:17 PM EDT (16:17 UTC) Moonrise 4:00AMMoonset 2:12PM Illumination 16% Phase: Waning Crescent; Moon at 26 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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This is a Weather Statement Zone, please check the Date to see if it has expired
LCZ423 /o.can.kdtx.ma.w.0004.000000t0000z-170301t0900z/ 349 Am Est Wed Mar 1 2017
.the special marine warning is cancelled... The affected areas were... Detroit river... Michigan waters of lake erie... The Thunderstorms have moved out of the area and no longer pose a significant threat to boaters. A severe Thunderstorm watch remains in effect until 400 am est for southeastern michigan. Lat...lon 4172 8346 4173 8345 4173 8350 4180 8350 4195 8337 4196 8328 4201 8325 4204 8315 4200 8313 4190 8325 4189 8331 4182 8337 4172 8341 time...mot...loc 0846z 274deg 49kt 4211 8288 4163 8356
This is a Weather Statement Zone, please check the Date to see if it has expired
LCZ423 Expires:201703010858;;822801 FZUS73 KDTX 010849 MWSDTX MARINE WEATHER STATEMENT NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI 349 AM EST WED MAR 1 2017 LCZ423-LEZ444-010858-

7 Day Forecast for Marine Location Near Haslett, MI
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location: 42.74, -84.4     debug


Area Discussion for - Grand Rapids, MI
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Fxus63 kgrr 231129
afdgrr
area forecast discussion
national weather service grand rapids mi
729 am edt Thu mar 23 2017
latest update...

aviation

Synopsis
Issued at 328 am edt Thu mar 23 2017
high pressure will provide one more day of fair weather then rain
will move in tonight as the high moves east and low pressure
slowly moves towards lower michigan. The rain will persist
through the weekend.

Short term (today through Saturday)
issued at 328 am edt Thu mar 23 2017
forecast issues include timing of precip this evening and p type
across the northeast interior. Dry wedge persists into this
evening as warm advection begins, so the pops for this evening
were lowered. Expect scattered showers to arrive by 03z as warm
advection increases with a few elevated thunderstorms possible as
lapse rates steepen. Left thunder out of the forecast for now but
isolated thunder may need to be added between 03z and 08z.

Given the low dew points this evening, kept mention of freezing
rain across the NE zones where temps are most likely to wet bulb
down below freezing at the outset of the precip. Dew points come
up quickly in strong southerly flow, so do not expect any
persistent fzra or impacts to travel.

The front is across the northern tier during much of Friday with
potential for strong north-south temperature gradient especially
if southern zones are able to clear out during the afternoon.

Front sags south on Saturday with more clouds and higher chances
for rain and cooler temperatures.

Long term (Saturday night through Wednesday)
issued at 328 am edt Thu mar 23 2017
a showery and unsettled weather pattern will continue Sunday into
early next week. A low pressure system will continue to move slowly
northeast across the lower great lakes region Saturday night through
Sunday and bring occasional rain showers. High temperatures Sunday
should reach into the 50's in spite of extensive cloud cover and
showers.

The wx pattern will remain unsettled as another low pressure system
over the ARKLATEX region on Monday moves northeast and brings our
area more showers Monday night into early Tuesday.

Fair weather should finally return Tuesday night through Wednesday
as northerly winds behind that system advect a cooler and drier
airmass in and a sfc high pressure ridge builds in from the
northwest.

Aviation (for the 12z tafs through 12z Friday morning)
issued at 729 am edt Thu mar 23 2017
vfr conditions are expected to continue in to the evening then
scattered rain and some lower ceilings will move in by midnight
with areas of MVFR persisting after midnight. East to southeast
winds around 10 knots will continue today and tonight.

Marine
Issued at 328 am edt Thu mar 23 2017
have issued a SCA for today north of whitehall where waves will be
3 to 5 feet.

Hydrology
Issued at 306 pm edt Wed mar 22 2017
an active weather pattern starting Thursday night and potentially
lasting through next week will provide multiple episodes of at least
light rain, and occasional periods of heavier rain. Thursday night
through Sunday, rainfall totals between 0.75 and 1.5 inches will
likely fall over the area, with the higher-end amounts currently
favored north toward the upper muskegon river basin. River levels
will likely rise as a result. Some rivers may eventually climb back
to bankfull next week.

Grr watches/warnings/advisories
Mi... None.

Lm... Small craft advisory until 8 pm edt this evening for lmz848-849.

Synopsis... Ostuno
short term... Ostuno
long term... Laurens
aviation... Ostuno
hydrology... Cas
marine... Ostuno


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
SBLM4 - Saginaw Bay Light #1, MI 82 mi78 min S 13 G 15 29°F 1032.8 hPa (-0.4)
CLSM4 - St. Clair Shores, MI 83 mi78 min SE 8.9 G 12 29°F 1035.6 hPa (+0.4)
THRO1 - 9063085 - Toledo, OH 87 mi48 min E 11 G 14 32°F 1033.1 hPa12°F

Wind History for Toledo, OH
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Lansing, Capital City Airport, MI11 mi25 minSE 1010.00 miFair38°F12°F36%1033.3 hPa
Mason, Mason Jewett Field Airport, MI12 mi24 minSE 9 G 1510.00 miFair35°F18°F51%1032.2 hPa
Owosso, Owosso Community Airport, MI22 mi24 minSSE 810.00 miFair36°F10°F35%1032.5 hPa
Howell, Livingston County Airport, MI24 mi24 minSSE 13 G 1610.00 miFair36°F12°F37%1032.5 hPa

Wind History from LAN (wind in knots)
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Last 24hrE6--5Calm4E3CalmNE4NE3E3E4E4E3SE4SE7S8S8S4S5SE5SE9SE15SE13SE10
1 day agoW14
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----N13
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N15N16N16------N11N16N5N4N5N6NE7N8NE10
2 days ago3W46N7N8NW3NE9CalmCalmS5SW3SW5W4CalmCalmN6NW5NW3SW3W4W4W8NW14NW11

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 Grand Rapids, MI (12,3,4,5)
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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.