Tuesday, November21, 2017 L-36.com


Marine Weather and Tides
Wind Point, WI

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 6:50AMSunset 4:24PM Tuesday November 21, 2017 1:37 PM CST (19:37 UTC) Moonrise 10:21AMMoonset 8:01PM 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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LMZ673 Lake Michigan From Michigan City In To St. Joseph Mi 5 Nm Offshore To Mid Lake- Lake Michigan From Sheboygan To Port Washington Wi 5 Nm Offshore To Mid Lake- Lake Michigan From Port Washington To North Point Light Wi 5 Nm Offshore To Mid Lake- Lake Michigan From North Point Light To Wind Point Wi 5 Nm Offshore To Mid Lake- Lake Michigan From Wind Point Wi To Winthrop Harbor Il 5 Nm Offshore To Mid Lake- Lake Michigan From Winthrop Harbor To Wilmette Harbor Il 5 Nm Offshore To Mid Lake- Lake Michigan From Wilmette Harbor Il To Michigan City In 5 Nm Offshore To Mid Lake- Lake Michigan From Whitehall To Pentwater Mi 5 Nm Offshore To Mid Lake- Lake Michigan From Grand Haven To Whitehall Mi 5 Nm Offshore To Mid Lake- Lake Michigan From Holland To Grand Haven Mi 5 Nm Offshore To Mid Lake- Lake Michigan From South Haven To Holland Mi 5 Nm Offshore To Mid Lake- Lake Michigan From St. Joseph To South Haven Mi 5 Nm Offshore To Mid Lake- 904 Am Cst Tue Nov 21 2017 Sheboygan Wi To Pentwater Mi South...
.gale warning in effect until 3 pm cst this afternoon...
Rest of today..West winds to 30 kt becoming northwest to 30 kt. Chance of rain. Waves 7 to 10 ft occasionally to 13 ft subsiding to 6 to 9 ft occasionally to 12 ft.
Tonight..Northwest winds to 30 kt diminishing to 15 to 25 kt. Slight chance of snow in the evening. Waves 6 to 9 ft occasionally to 12 ft subsiding to 4 to 7 ft occasionally to 9 ft.
Wednesday..Northwest winds 10 to 20 kt becoming west. Waves 4 to 6 ft occasionally to 8 ft subsiding to 1 to 3 ft.
Wednesday night..Southwest winds 15 to 25 kt. Waves 2 to 4 ft building to 4 to 6 ft occasionally to 8 ft.
Thursday..Southwest winds to 30 kt becoming west 10 to 20 kt in the afternoon. Waves 4 to 6 ft occasionally to 8 ft.
Thursday night..West winds 10 to 20 kt becoming southwest to 30 kt overnight. Waves 2 to 4 ft.
Friday..Southwest gales to 35 kt. Chance of rain. Waves 7 to 10 ft occasionally to 13 ft.
Saturday..Northwest gales to 35 kt diminishing to 30 kt. Waves 7 to 10 ft occasionally to 13 ft.
LMZ673 Expires:201711212215;;748954 FZUS63 KLOT 211504 GLFLM OPEN LAKE FORECAST for Lake Michigan National Weather Service Chicago/Romeoville IL 904 AM CST Tue Nov 21 2017 FOR WATERS BEYOND FIVE NAUTICAL MILES OF SHORE ON Lake Michigan. Waves are provided as a range of significant wave heights, which is the average of the highest 1/3 of the wave, along with the average height of the highest 10% of the waves which will occasionally be encountered. .SYNOPSIS...Deep low pressure of 29.0 inches just north of Lake Superior early this morning...will move to northern Quebec by tonight. A trailing cold front will move across the lake this morning. Broad high pressure of 30.4 inches will build across the central Great Plains tonight and gradually shift to the lower Mississippi Valley through midweek. A trough of low pressure averaging 29.7 inches will move across Ontario and the Great Lakes on Thursday. LMZ080-669-671-673-675-777-779-870-872-874-876-878-212215-

7 Day Forecast for Marine Location Near Wind Point, WI
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location: 42.86, -87.09     debug


Area Discussion for - Milwaukee/Sullivan, WI
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Fxus63 kmkx 211725
afdmkx
area forecast discussion
national weather service milwaukee sullivan wi
1125 am cst Tue nov 21 2017

Update
Northwest winds will continue to be gusty into the evening, as
colder and much drier air builds into the area behind this
morning's frontal passage. Temperatures will continue to fall this
afternoon, reaching the low 30s for most by late afternoon, on the
way to overnight lows tonight in the upper teens to around 20
degrees.

Aviation(18z tafs)
Gusty northwest winds will continue into this evening across the
area. Expect winds to peak this afternoon, with gusts between 25
and 30 kt at times. Winds will gradually decrease this evening,
becoming more westerly by Wednesday.

Flight conditions should remainVFR, with afternoon
stratus stratocu clearing out by tonight.

Prev discussion (issued 857 am cst Tue nov 21 2017)
marine...

small craft conditions will continue into tonight. It's possible
that an extension will be needed beyond 9 pm tonight.

A few wind gusts close to gales will be possible this morning and
early afternoon, but should stay rare enough to preclude gale
warning issuance. Conditions will continue to be monitored,
however.

Prev discussion... (issued 313 am cst Tue nov 21 2017)
discussion...

today and tonight... Forecast confidence is high.

Strong low pressure will continue ewd across ontario, canada, then
newd across quebec, canada. A 100-120 kt nly jet will drive the
upper trough axis across SRN wi this afternoon with the strong
cold frontal passage this morning. High temps will occur early
this morning then fall through the morning, but becoming steady
in the lower to middle 30s for the afternoon. Wind gusts to 30 mph
are expected. The broken stratocumulus behind the cold front over
mn should also develop sewd via the upper trough being driven swd
by the upper jet. The stratocumulus should then gradually decrease
from west to east during the afternoon but a few flurries could
occur. For tnt, the core of the polar high will track swd through
the great plains but its sfc ridge will extend nwd into the upper
ms river valley by 12z wed. Thus expect winds to become lighter
through the night but not decouple. Lows in the upper teens to
lower 20s expected.

Wednesday - confidence... Medium
some modification of low level thermal trough expected with winds
swinging around to more of a west or southwest direction. The
surface ridge axis starts off the day across ia mn and then leans
more into the oh valley by days end. This will set the stage for
the return flow. Not ready to jump on the wet NAM solution for
Wednesday night in this WAA regime.

Thanksgiving - confidence... Medium
a weak surface 850 trough passes through then the flow reloads
from the southwest as next low approaches from the northern
plains. Looks like a steady period of modifying 925 temps right
into Thursday night.

Friday - confidence... Medium
thermal ridge amplifies ahead of the cold front. Should see many
temps reach the 50 degree mark with gusty southwest winds ahead
of the front. Could go even higher with ample sun, however cloud
cover and rain chances will be on the increase during the
afternoon evening with the frontal boundary working through.

Saturday and Sunday - confidence... Medium
looking at a colder but dry weekend as northwest winds usher in
the chilly airmass. Windiest day is shaping up to be Saturday. As
Sunday wears along the surface ridge axis is proggd to shift
right across the state so that will make for a much lighter wind
regime.

Monday - confidence... Medium
the high will end up in the ohio valley with a renewed southerly
flow setting up yet another low taking shape in the plains. So we
should see some modification to the weekend chill though the south
winds will be gusty and the warmest 925 temps hold off to the west
and southwest of wi.

Mkx watches warnings advisories
Wi... None.

Lm... Small craft advisory until 9 pm cst this evening for lmz643>646.

Update... Boxell
today tonight and aviation marine... Boxell
Wednesday through Monday... Boxell


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
45007 - S MICHIGAN 43NM East Southeast of Milwaukee, WI 13 mi47 min NNW 23 G 29 40°F 48°F4 ft1009.4 hPa (+2.4)
KNSW3 - Kenosha, WI 42 mi37 min NW 25 G 31 36°F 1010.5 hPa (+2.7)
MLWW3 - Milwaukee, WI 44 mi47 min NW 18 G 26 34°F
MKGM4 - Muskegon, MI 47 mi37 min NNW 28 G 31 39°F 1009.9 hPa (+3.1)28°F
HLNM4 - 9087031 - Holland, MI 47 mi49 min WNW 21 G 24 1008 hPa

Wind History for Holland, MI
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S22
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G37
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G38
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G37
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G37
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G17
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1 day
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W21
NW17
G21
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G28
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G26
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S21
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G30
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G31
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ago
N16
G22
N12
G16
N29
N22
G27
N23
G28
N28
G36
NW27
G36
N25
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NW32
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G34
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G30
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NW24
G29
NW21
G31
NW21
G29
NW22
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G27
NW20
G27
NW22
G27
NW21
NW22
W20
G25
W19
G24

Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Racine, Batten International Airport, WI39 mi45 minNW 16 G 2910.00 miFair36°F19°F50%1011.8 hPa

Wind History from RAC (wind in knots)
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Last 24hrSW14
G25
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G22
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G25
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G27
SW17
G28
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G28
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SW11W9
G18
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NW15
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G26
NW16
G29
1 day agoW9
G16
W12
G19
W10
G17
W6W9W7W9SW10
G20
SW11
G19
SW10SW10
G17
SW10
G18
SW8SW10SW8SW10
G19
SW8SW9SW12
G22
SW13
G20
SW11
G21
SW15
G23
SW14
G23
SW12
G22
2 days agoN16
G29
N15
G22
N15
G24
N14
G23
N12
G26
NW15
G26
NW11
G24
NW9
G15
NW16
G28
NW13
G24
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G23
NW10
G18
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G24
NW6
G15
W8
G17
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G19
W12
G24
NW11
G21
W11
G21
NW12
G20
W13
G25
NW16
G22

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 Milwaukee/Sullivan, WI (14,3,4,5)
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Ground Weather Radar Station Grand Rapids/Muskegon, 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.