Saturday, September21, 2019 L-36.com


Marine Weather and Tides
Cudahy, WI

Version 3.4
NOTICE
9/4/2019 Fixed the weather maps due to NOAA moving them.
7/25/2019 New feature in the Airports section gives a link to 5 minute updates for data reports.
6/2/2019. Many thanks to a user for reporting an error on one of the Edit pages. The switch to PHP 7.2 caused many pages that previously worked to quit working. I fixed many but I still depend on users to report ones I missed. Please report errors HERE or send an email to me at L-36.com. Allen

Sunrise 6:35AMSunset 6:54PM Friday September 20, 2019 11:33 PM CDT (04:33 UTC) Moonrise 10:32PMMoonset 12:48PM Illumination 55% Phase: Third Quarter Moon; Moon at 22 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- 1106 Pm Cdt Fri Sep 20 2019
.small craft advisory in effect from 10 am cdt Saturday through Sunday afternoon...
Rest of tonight..South wind 5 to 10 knots. Partly cloudy. Waves around 1 foot.
Saturday..South wind 10 to 15 knots becoming 10 to 20 knots late in the morning, then becoming 15 to 20 knots with gusts to around 25 knots early in the afternoon becoming 10 to 20 knots with gusts to around 25 knots late in the afternoon. Chance of showers and Thunderstorms in the afternoon. Waves 1 to 2 feet building to 3 to 4 feet in the afternoon.
Saturday night..South wind 15 to 20 knots veering southwest early in the morning. Gusts up to 25 knots. Showers likely through around midnight. Thunderstorms likely through the night. Showers after midnight. Waves 3 to 4 feet.
Sunday..Southwest wind 15 to 20 knots becoming west 10 to 15 knots late in the afternoon. Showers in the morning. Chance of Thunderstorms through the day. Showers likely in the afternoon. Waves 1 to 2 feet.
LMZ645 Expires:201909211000;;107384 FZUS53 KMKX 210406 NSHMKX Nearshore Marine Forecast National Weather Service Milwaukee/Sullivan WI 1106 PM CDT Fri Sep 20 2019 For waters within five nautical miles of shore on Lake Michigan LMZ645-211000-


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 210230
afdmkx
area forecast discussion
national weather service milwaukee sullivan wi
930 pm cdt Fri sep 20 2019

Update
Have seen a little light fog develop this evening, including some
coming in off of lake michigan. Currently don't expect this to
become dense or terribly widespread, but drivers should be alert
for localized areas of reduced visibility.

Marine
For the rest of this evening, some patchy fog has developed across
the nearshore waters, as well as parts of the northern half of the
open waters. Currently don't expect this to become too widespread,
but will continue to monitor.

Otherwise, south to southwest winds will ramp up Saturday morning,
continuing through the first half of the day on Sunday. A small
craft advisory is in effect starting mid morning on Saturday for
the nearshore. For the open waters, gusts to 30 knots will be
common, and a few marginal gales are possible across the northern
reaches of the lake, especially going into tomorrow evening.

A cold front will move through the lake on Sunday, shifting winds
to the west and northwest. High pressure will then build into the
area for Monday.

Prev discussion (issued 651 pm cdt Fri sep 20 2019)
update...

despite a relatively unstable airmass, little in the way of
convection was able to develop this evening, due to an absence of
any organized source of lift. A few storms tried to develop across
extreme southern rock county, but have since fizzled. With the
impending loss of sunlight, things should remain dry through the
rest of the evening hours.

Southerly winds will begin to increase overnight as low pressure
lifts from eastern colorado into south dakota. Before the winds
pick up, some fog is possible later this evening, though it should
not be terribly widespread. Any fog that does form should
dissipate before dawn as winds increase and mid and high level
clouds stream into the area.

Didn't make any significant changes to the timing of
showers thunderstorms for tomorrow. Convection should begin to
overspread the area from the west and southwest around sunrise,
with a gradual eastward expansion through the morning. Will
probably see multiple waves of showers and thunderstorms through
the day tomorrow, so despite high pops, some breaks are likely. A
more continuous period of convection is more likely tomorrow night
as the front begins to approach.

Aviation(00z tafs)...

vfr is expected through the night, with just some mid and high
level clouds streaming in toward morning. Some fog is not
entirely out of the question, but is not currently expected to be
widespread enough to have a significant impact at the terminals.

Showers and thunderstorms are then expected to push into the area
from west to east tomorrow morning, with MVFR visibility and MVFR
to ifr ceilings. This activity will persist in at least a
scattered fashion through much of the day. South to southwest
winds will also be on the increase, with gusts into the 20-25 knot
range at times.

Prev discussion... (issued 356 pm cdt Fri sep 20 2019)
short term...

tonight and Saturday - confidence... Medium
lingering anticyclonic flow in the low levels and aloft breaks
down this period as low pressure approaches from the plains. A
southerly flow will be on the increase and will become quite
gusty on Saturday. Moisture transport will be enhanced with the
northward pull of tropical moisture from the southern plains. With
extensive cloud cover CAPE should be somewhat limited. But have
increased pops as the day wears on Saturday to account for better
mid level forcing as well as the lower level moisture advection.

Long term...

Saturday night through Sunday... Forecast confidence is medium.

The upper jet will sit over the upper midwest through the weekend,
along with the leading edge of an upper trough. A surface trough
will be the focus for repeated rounds of thunderstorms with the
focus over southern wisconsin to northeast wisconsin and lake
michigan. The trough will finally slide southeast by Sunday night.

Monday... Forecast confidence is medium.

The closed upper low will side through the great lakes region on
Monday. Cyclonic flow will keep us in the clouds at least Monday
morning and we could see some light showers as well.

Tuesday through Friday... Forecast confidence is medium.

Our next chance for showers and thunderstorms will be with the
next upper trough swinging through and an associated cold front.

Warm air advection will arrive during the day Wednesday and the
front will slide through Wednesday afternoon or evening. The ecmwf
is showing a stronger upper trough than the GFS at this time.

Yet another round of showers and storms will arrive Friday. This
surface low should focus more toward lake superior at this time.

Mkx watches warnings advisories
Wi... None.

Lm... Small craft advisory from 10 am Saturday to 1 pm cdt Sunday for
lmz643>646.

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
45013 12 mi33 min SSE 5.8 G 5.8 65°F 62°F1019.7 hPa (+0.0)
MLWW3 - Milwaukee, WI 12 mi163 min E 1 G 1.9 65°F
KNSW3 - Kenosha, WI 29 mi33 min S 6 G 7 69°F 1019.6 hPa (+0.3)
PWAW3 - Port Washington, WI 29 mi53 min S 1 G 2.9 67°F 1020.7 hPa
45007 - S MICHIGAN 43NM East Southeast of Milwaukee, WI 40 mi23 min SE 3.9 G 5.8 70°F 70°F1020 hPa68°F
45186 44 mi33 min NNE 1.9 G 1.9 66°F 65°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 mi41 minSSE 53.00 miFog/Mist70°F66°F87%1019.2 hPa
Racine, Batten International Airport, WI18 mi40 minSSE 39.00 miFair69°F64°F87%1019.9 hPa
Milwaukee-Timmerman, WI22 mi38 minN 07.00 miFair68°F60°F78%1019.6 hPa

Link to 5 minute data for KMKE

Wind History from MKE (wind in knots)
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Last 24hrCalmSW3CalmCalmCalmCalmCalmCalmCalmCalmCalmE4E4E6SE6SE9E8SE6SE6SE5SE5S3S4S5
1 day agoS6S7S4S5SE4S6S5S5S5S8S5SW5W7NW3CalmSE8SE8SE83SE5CalmCalmCalmS3
2 days agoS4SE5S5S6S5S8S4SE4S5S7S6S5SE8E9SE12SE13SE11SE13SE10S12S9S5S6Calm

Tide / Current Tables for
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Tide / Current Tables for
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Weather Map
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GEOS Local Image of GreatLakes    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.
Link to Loop

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Wind Forecast for Milwaukee/Sullivan, WI (0,6,7,8)
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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.