Friday, February22, 2019 L-36.com


Marine Weather and Tides
Cudahy, WI

Version 3.4
What's New / NOTES
10/6/2018 Colors of tide XTide graphs changed to emphasize that they were upgraded. See next note. Comments welcome.
10/4/2018 I have fixed XTide and updated the harmonic files. There were some name changes so you might have to click EDIT to find the new station name.

Sunrise 6:36AMSunset 5:32PM Friday February 22, 2019 8:28 PM CST (02:28 UTC) Moonrise 10:26PMMoonset 9:40AM Illumination 86% Phase: Waning Gibbous; Moon at 18 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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LMZ645 North Point Light To Wind Point Wi- 705 Pm Cst Fri Feb 22 2019
.gale watch in effect from late Saturday night through late Sunday night...
Tonight..East wind 5 to 10 knots rising to 10 to 15 knots with gusts to around 20 knots late in the evening, then becoming east 10 to 15 knots with gusts to around 20 knots after midnight. Partly cloudy through around midnight then becoming mostly cloudy. Waves around 1 foot building to 2 to 4 feet early in the morning.
Saturday..East wind 10 to 15 knots veering southeast in the late morning and afternoon. Gusts up to 20 knots. Chance of light freezing rain and snow in the morning. Rain through the day. Slight chance of Thunderstorms in the afternoon. Waves 3 to 4 feet.
Saturday night..Southeast wind 15 to 20 knots veering south 10 to 20 knots late in the evening, then veering southwest 15 to 20 knots with gusts to around 25 knots after midnight veering west 15 to 25 knots with gusts to around 30 knots early in the morning. Areas of fog through around midnight. Rain and slight chance of Thunderstorms through around midnight, then rain likely after midnight. Waves 3 to 4 feet.
Sunday..West wind up to 30 knots rising to gales to 35 knots in the afternoon. Gusts up to 40 knots. Slight chance of rain and snow in the morning. Freezing spray in the afternoon. Waves 3 to 4 feet building to 3 to 5 feet in the late morning and afternoon. Wave heights are for ice free areas.
LMZ645 Expires:201902230500;;359487 FZUS53 KMKX 230106 NSHMKX Nearshore Marine Forecast National Weather Service Milwaukee/Sullivan WI 705 PM CST Fri Feb 22 2019 For waters within five nautical miles of shore on Lake Michigan LMZ645-230500-


7 Day Forecast for Marine Location Near Cudahy, WI
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location: 43, -87.66     debug


Area Discussion for - Milwaukee/Sullivan, WI
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Fxus63 kmkx 222329
afdmkx
area forecast discussion
national weather service milwaukee sullivan wi
529 pm cst Fri feb 22 2019

Update
No major changes at this point. Overall precip timing still looks
ok, though will continue to watch short term guidance to see if
start times for the winter weather advisory may eventually need
to be adjusted.

Aviation(00z tafs)
Vfr will prevail this evening with just high cloud cover over the
area. Ceilings will drop from west to east overnight, with
precipitation beginning early Saturday morning. For many places,
this will initially be in the form of freezing rain, before
temperatures rise above freezing by mid morning on Saturday. Rain
will then continue into the afternoon hours, along with ifr to
lifr ceilings.

Winds will be easterly on Saturday, with off and on gusts through
the late morning and afternoon.

By late Saturday afternoon into Saturday evening, fog will become
more common, especially near the lakeshore.

Prev discussion (issued 340 pm cst Fri feb 22 2019)
short term...

tonight and Saturday... Forecast confidence is medium.

The onset time for the precip slowed an hour or two since the
previous forecast. However, the headline times stayed the same
since it is not a major difference. Because of the delay, there
will be less time to accumulate ice before temperatures and
pavement temperatures warm above freezing by late morning. Highest
icing amounts (less than a quarter inch) will be over south
central wi, mainly west of the dells area to madison and monroe.

By noon, precip should be all rain across the area.

Temperatures will drop into the 20s quickly this evening with
mostly clear skies, then gradually rise to just above freezing by
late morning. Pavement temperatures will likely be a little
delayed in warming due to cloudy skies tomorrow, but everywhere
should be above freezing by noon when the winter weather advisory
ends. The headline may be able to be cancelled early.

Forcing for this initial round of precip is largely due to low
level frontogenesis and warm air advection. Initially, there is
dry air in the low levels on those east winds that will need to
be overcome, thus the delayed onset. We may see a wintry mix with
the initial onset, but it will quickly turn into freezing rain due
to a warm nose of around 4c. There should be pretty decent
rainfall rates with the strong low level forcing, so that will
actually help to limit icing amounts due to the latent heat
release.

By Saturday afternoon, the mid levels begin to dry out so southern
wi will see lighter rainfall rates or even a lull in the precip as
we await the next round of strong forcing.

Saturday night and Sunday... Forecast confidence is high.

The next round of rain will arrive in southern wi Saturday evening
with robust vorticity advection ahead of a deepening, negatively
tilted upper low. We should see a quick quarter to half inch of
rain. There is a chance for thunderstorms during the late
afternoon evening period due to steep mid level lapse rates. Small
hail would be possible in storms.

The system will undergo cyclogenesis and deepen significantly as
it tracks into southern ontario Sunday morning. Colder air will
spread into southern wi on strong west-northwest winds late
Saturday night through Sunday. Wind gusts up to 50 mph are
expected at times. The criteria for a high wind warning is wind
gusts greater than 58 mph- we should be just under this threshold.

I would expect to issue a wind advisory for this period sometime
tomorrow.

Precip will transition to a wintry mix late Saturday night and
into light snow by late Sunday morning. Snowfall amounts are still
expected to be light, less than an inch.

Snow showers flurries and wind will gradually taper off Sunday
night. Low temperatures will fall into the single digits above and
below zero (warmest southeast). Wind chills are expected to
bottom out in the negative teens.

Long term...

Monday through Tuesday... Forecast confidence is medium.

Monday highs will only rebound into the teens, then drop into the
single digits above and below zero once again Monday night. A
shortwave trough embedded within swift northwest flow may bring a
round of light snow to iowa, southern wi, and northern il Monday
afternoon.

There is another chance for snow Tuesday per the gfs, but the
ecmwf does not show this due to weaker 850mb warm air advection.

Wednesday through Friday... Forecast confidence is medium.

This wave train will continue through at least Thursday with cold
northwest flow, bringing us intermittent chances of light snow.

There should be a little stronger wave that moves through Friday
or Saturday that could bring higher snowfall amounts to southern
wi, but it is too early to tell with this one.

Marine...

the gale watch remains in place for late Saturday night through
Sunday night. We'll continue to mention the potential for some
storm force gusts on Sunday, but the gale seems to cover it well
enough. The scenario remains unchanged. A powerful storm system
will track from the southern plains to northern lake michigan
Saturday afternoon into early Sunday morning. East to southeast
winds into Saturday evening will veer to the southwest late
Saturday night, reaching gale force levels quickly. Winds will
continue to veer to the west on Sunday and northwest Sunday night.

Expect diminishing winds through the day on Monday. Freezing
spray will be also possible Sunday night into Monday. The highest
waves through this event will be across the eastern half of the
lake in ice free areas.

Mkx watches warnings advisories
Wi... Winter weather advisory from 3 am to noon cst Saturday for
wiz046-047-056-057-062-063-067>069.

Winter weather advisory from 6 am to noon cst Saturday for
wiz051-052-058>060-064>066-070>072.

Lm... Gale watch from late Saturday night through late Sunday night
for lmz080-261-362-364-366-563-565-567-643>646-669-671-673-
675-777-779-868-870-872-874-876-878.

Update... Boxell
tonight Saturday and aviation marine... Boxell
Saturday night through Friday... 99


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
MLWW3 - Milwaukee, WI 12 mi39 min ENE 7 G 8.9 32°F
KNSW3 - Kenosha, WI 29 mi89 min ENE 8.9 G 8.9 32°F 1028.1 hPa (-0.7)
PWAW3 - Port Washington, WI 29 mi49 min ESE 6 G 8 33°F 1029.5 hPa
WHRI2 - Waukegan Harbor, IL 45 mi49 min ENE 8.9 G 9.9 32°F

Wind History for Holland, MI
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Milwaukee, General Mitchell International Airport, WI13 mi37 minENE 57.00 miMostly Cloudy31°F25°F79%1028.9 hPa
Racine, Batten International Airport, WI18 mi36 minENE 57.00 miMostly Cloudy30°F26°F85%1029.4 hPa
Milwaukee-Timmerman, WI22 mi44 minE 47.00 miOvercast30°F24°F80%1028.1 hPa

Wind History from MKE (wind in knots)
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Last 24hrNW6CalmW3W3W5NW4NW3NW4NW4W3N3NW3CalmCalmCalmSE8SE5E5E6E7E6E6E5NE5
1 day agoW19
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2 days agoE3E4E7SE10SE8E11E12E12E14E13E15E19
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S9SW10SW12SW15
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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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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.
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Wind Forecast for Milwaukee/Sullivan, WI (21,6,7,8)
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Ground Weather Radar Station Milwaukee, WI
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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.