Monday, August20, 2018 L-36.com


Marine Weather and Tides
Watersmeet, MI

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Sunrise 6:05AMSunset 7:57PM Monday August 20, 2018 4:09 AM CDT (09:09 UTC) Moonrise 4:16PMMoonset 12:50AM Illumination 65% Phase: Waxing Gibbous; Moon at 9 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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LSZ241 /o.con.kmqt.ma.w.0067.000000t0000z-180809t0115z/ 841 Pm Edt Wed Aug 8 2018
.a special marine warning remains in effect until 915 pm edt... For the following areas... Black river to ontonagon mi... Lake superior from saxon harbor wi to upper entrance to portage canal mi 5nm off shore to the us/canadian border including isle royal national park... Saxon harbor wi to black river mi... At 840 pm edt, a severe Thunderstorm was located 16 nm northeast of saxon harbor, moving east at 30 knots. Hazard...wind gusts to 40 knots and large hail. Source...radar indicated. Impact...small craft could be damaged in briefly higher winds and suddenly higher waves. Large hail could result in structural damage. The severe Thunderstorm will remain over mainly open waters. Lat...lon 4710 9015 4687 8929 4682 8937 4682 8941 4678 8976 4663 9002 4660 9010 4664 9043 4665 9045 time...mot...loc 0040z 276deg 32kt 4673 9013 hail...>.75in wind...40kts
LSZ241 Expires:201808090115;;359294 FZUS73 KMQT 090041 MWSMQT Marine Weather Statement National Weather Service Marquette MI 841 PM EDT WED AUG 8 2018 LSZ240-241-263-090115-


7 Day Forecast for Marine Location Near Watersmeet, MI
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location: 46.22, -89.27     debug


Area Discussion for - Green Bay, WI
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Fxus63 kgrb 200827
afdgrb
area forecast discussion
national weather service green bay wi
327 am cdt Mon aug 20 2018
forecast discussion for routine morning forecast issuance

Short term Today... Tonight... And Tuesday
issued at 325 am cdt Mon aug 20 2018
what looked like a system that would bring some
significant rain to our area now looks less likely to do so. The
upper and surface lows are vertical stacked and will weaken as
they move to the east northeast. The best forcing for rain is
across northern illinois and southern wisconsin where there is
good low level warm advection and convergence. There is also some
upper support across the north where there is at least a weak
coupling of the upper jets. The models forecast a minimum of rain
across the lakeshore and fox valley, which makes sense when you
look at the transport of dry air around 850mb from northern ohio
and lower michigan today and tonight into those areas. Steep mid
level lapse rates could result in elevated thunderstorms but
surface based convection should stay to the south. The showers and
scattered thunderstorms should end late tonight and early Tuesday
followed by drier and breezy conditions in the afternoon.

Highs today will be a few degrees below normal due to clouds and
precipitation. The clouds will hold low temperatures about five
degrees high than average tonight. Highs Tuesday will be around
five lower than normal.

Long term Tuesday night through Sunday
issued at 325 am cdt Mon aug 20 2018
quiet weather expected Tuesday night into Thursday, then off and
on chances for storms expected from Friday into the weekend.

Temps look to be near or above normal through the period, with
possibly some very warm and humid conditions this weekend.

Tuesday night: upper trough will continue to slide into the
eastern great lakes, with surface high pressure building into the
western great lakes. The combination of the gradient weakening and
the loss of daytime mixing will allow winds to diminish pretty
quickly in the evening. The exception will be over the relatively
warmer waters of the bay and lake where sufficient mixing could
linger gusts of of 20-30 mph through around midnight. Otherwise,
look for skies to become clear and humidity levels to drop. Low
temps look be about 10 degrees cooler than Monday night, but will
only be slightly below normal.

Wednesday through Thursday night: very quiet and comfortable late
summer weather is expected across the area as large surface high
pressure pushes east from the central plains into the ohio valley.

By Thursday night, return flow on the back side of the departing
high pressure system and ahead of the next weather maker really
kick into gear. Clouds look to thicken up, but it should stay dry
if current timing holds.

Friday into the weekend: models in decent agreement showing a
mid-upper trough across the great lakes Friday into early
Saturday. At the surface, a warm front is forecast to track north
into the area on Friday, with a weak cool front crossing across
the area later on Friday or early Saturday depending on timing.

These features should combine for a pretty good shot for a round
of at least scattered showers and storms in the Friday and Friday
night timeframe. By Saturday, the system should be off to our
east, with weak ridging and subsidence over the state and the warm
front working back north. Can't rule out a stray shower or storm,
but most look to stay dry. The area will reside on the northern
fringe of a large high pressure ridge parked over the southern
u.S., with additional weak shortwaves riding the top of the ridge
in a fast westerly zonal flow. Timing each of these shortwaves
will be tough, but each could bring a storm threat with it,
possibly a complex of storms, as heat and humidity will be
building under the ridge. Where the warm front sets up this
weekend is a little in question as well (which will be impacted by
where if any complexes of storms form). South of the front, very
warm and humid conditions are expected.

Aviation For 06z TAF issuance
issued at 1041 pm cdt Sun aug 19 2018
visibilities are starting to fall late this evening, and areas of
ground fog remain expected to form across north-central wi
overnight. The fog should not be as dense as previous nights, due
to broken cirrus overhead. Fog will be more patchy elsewhere. Spotty
showers and storms look possible from late morning through the
afternoon as low pressure draws closer to the region. But higher
chances of showers storms as well as deteriorating flying
conditions look to arrive for Monday evening.

Grb watches warnings advisories
None.

Short term... ..Rdm
long term... ... Bersch
aviation... ... .Mpc


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
SXHW3 - Saxon Harbor, WI 66 mi29 min Calm G 1 66°F 1014.2 hPa
PCLM4 - Portage Canal, MI 83 mi29 min Calm G 1.9 63°F 1016.6 hPa

Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Land O' Lakes, Kings Land O' Lakes Airport, WI5 mi74 minN 05.00 miFog/Mist56°F55°F100%1017.3 hPa
Eagle River Union Airport, WI20 mi74 minN 05.00 miFog/Mist57°F57°F100%1016.6 hPa

Wind History from LNL (wind in knots)
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Last 24hrCalmCalmCalmCalmCalmSW3SW4W5S3S3W4CalmS3CalmCalmCalmCalmCalmCalmCalmCalmCalmCalmCalm
1 day agoN4NE5NE5E3CalmCalmCalmN3CalmCalmCalmCalmCalmCalmCalmCalmCalmCalmCalmCalmCalmCalmCalmCalm
2 days agoN3CalmCalmCalmN3NE4CalmN6N8N6N6N7N7N6N7N6N5N6N4N3CalmCalmCalmN3

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    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.
target = "new">Link to Loop

Other links: Northern Pacific     Contential US     Full GOES-East
Wind Forecast for Green Bay, WI (5,6,7,8)
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Ground Weather Radar Station Marquette, 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.